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74results about How to "Good market application value" patented technology

Preparation method and application of injectable nano composite hydrogel for relieving osteoarthritis

The invention discloses a preparation method of injectable nano composite hydrogel for relieving osteoarthritis, which comprises the following steps: firstly, synthesizing nano rod-like hydroxyapatite with the length of 150-300 nm and the diameter of 10-15 nm, and the hydroxyapatite is hydrophilic hydroxyapatite doped with strontium and europium ions; the preparation method comprises the following steps: by taking Ca (NO3) 2, Sr (NO3) 2, Eu (NO3) 3 and soluble phosphate as main raw materials, carrying out hydrothermal reaction to prepare strontium and europium ion co-doped hydrophobic hydroxyapatite, dispersing the strontium and europium ion co-doped hydrophobic hydroxyapatite in a Tris-HCl buffer solution, adding tannic acid, stirring, centrifugally collecting precipitate, and drying to obtain strontium and europium ion doped hydrophilic hydroxyapatite; the preparation method comprises the following steps: taking chondroitin sulfate and adipic dihydrazide as main raw materials, stirring, dialyzing, freeze-drying, and dissolving in a buffer solution to obtain the chondroitin sulfate solution grafted with the hydrazide group; the preparation method comprises the following steps: taking hyaluronic acid, 3-aminophenylboronic acid and sodium periodate as main raw materials, stirring, dialyzing, freeze-drying, and dissolving in a buffer solution to obtain the phenylboronic acid group grafted oxidized hyaluronic acid solution; the preparation method comprises the following steps: blending hydrophilic hydroxyapatite doped with strontium and europium ions, a chondroitin sulfate solution grafted with a hydrazide group, an oxidized hyaluronic acid solution grafted with a phenylboronic acid group and a recombinant collagen solution, and stirring to obtain the injectable nano composite hydrogel. The injectable nano composite hydrogel obtained by the invention has good biocompatibility, and a favorable local immune microenvironment can be created to immunomodulate macrophages so as to relieve osteoarthritis and promote subchondral bone repair.
Owner:NORTHWEST UNIV

UV moisture dual-curing conformal coating and preparation method thereof

The invention relates to the technical field of three-proofing paints, in particular to a UV moisture dual-curing three-proofing paint and a preparation method thereof. The conformal coating is prepared from the following raw materials in parts by weight: 10-80 parts of acrylate resin; 20 to 60 parts of a UV reactive diluent; 3-15 parts of a polyurethane latent curing agent; 1 to 10 parts of a photoinitiator; 1-5 parts of a dewatering agent; the acrylic resin comprises at least one of urethane acrylate and isocyanate modified acrylate. According to the invention, when the specific curing agent is selected, especially the oxazolidine latent curing agent or imine latent curing agent containing at least two oxazolidinyl groups is adopted, the curing time of the conformal coating in a dark environment can be greatly shortened, and meanwhile, the problems of bubbles, pinholes and the like caused by moisture in the curing process of the conformal coating can be effectively solved; good market application values are realized.
Owner:NINGBO JULI NEW MATERIAL TECH CO LTD

A high-precision, flexible conveyor skid for truck welding lines

The present invention discloses a high-precision and flexible truck welding line conveying sled, including a sled frame, at least one sliding positioning device for cooperating with the front end of the longitudinal beam of the vehicle body is respectively arranged on the left and right sides of the front end of the sled frame, and a supporting positioning device for supporting and positioning the rear end of the vehicle body floor is respectively arranged on the left and right sides of the rear end of the sled frame; the sliding positioning device includes a positioning device support fixed on the sled frame, a slider positioning mechanism arranged on the positioning device support, which includes a sliding sleeve fixed on the positioning device support and a slider slidably arranged in the sliding sleeve, a positioning pin for cooperating with the vehicle body for positioning is fixed on the slider, and the slider can be positioned in the sliding sleeve through a positioning rod structure. Through the sliding positioning device and the supporting positioning device, the conveying sled can be applied to the precise conveying of various varieties and differentiated vehicle bodies, and has good practicality and market application value.
Owner:DONGFENG COMML VEHICLE CO LTD

Nickel-based metal organic framework material, plasmon nickel-based metal organic framework composite material, and synthesis method and application of nickel-based metal organic framework material and plasmon nickel-based metal organic framework composite material

The invention belongs to the technical field of metal-organic framework functional materials, and particularly relates to a nickel-based metal-organic framework material, a plasmon nickel-based metal-organic framework composite material and a synthesis method and application of the nickel-based metal-organic framework material and the plasmon nickel-based metal-organic framework composite material. According to the invention, chloroauric acid is directly reduced into gold nanoparticles by using the reducibility of the nickel-based metal organic framework material, and the gold nanoparticles are loaded on the nickel-based metal organic framework material, so that uniform dispersion and firm loading of the gold nanoparticles on the nickel-based metal organic framework material are realized. The method has the advantages of simple synthesis method, convenience in operation and no need of additional reducing agent, is easy for large-scale preparation, and has better market application value and development prospect. The prepared plasmon nickel-based metal organic framework composite material is used as a photoelectrocatalytic reaction catalyst to be applied to photoelectrocatalytic reduction of nitrate to prepare ammonia, and the catalytic performance is excellent.
Owner:GUANGDONG LABORATORY OF CHEMISTRY & FINE CHEMICAL IND JIEYANG CENTER JIEYANG +1

Sagger material shaking device

The utility model relates to the technical field of kiln auxiliary equipment, and discloses a sagger material shaking device which comprises a rack, a conveying mechanism, a leveling mechanism and a positioning mechanism, and the positioning mechanism is located on the lower side of the leveling mechanism and connected with the leveling mechanism; the leveling mechanism comprises a leveling support, a first driving part, a second driving part, a first mounting plate, a second mounting plate and a leveling part, the first mounting plate is arranged on the lower side of the leveling support, and the second mounting plate is located on the lower side of the first mounting plate and is slidably connected with the first mounting plate through a first guide part arranged on the first mounting plate; the first driving part is arranged on the first mounting plate, and the working end of the first driving part is connected with the second mounting plate to drive the second mounting plate to move along the first guide part; the flattening piece is arranged on the lower side of the second mounting plate and is in sliding connection with the second mounting plate through the second guide piece, and the second driving piece is connected with the flattening piece so as to drive the flattening piece to move along the second guide piece. According to the scheme, the structure is simple, and materials in the saggar are effectively leveled.
Owner:SHENZHEN RIYUEXIN AUTOMATION EQUIP CO LTD

Nanoparticle vaccine for mucosal immunity as well as preparation method and application of nanoparticle vaccine

The invention relates to a nanoparticle vaccine for mucosal immunity and a preparation method and application thereof. The nanoparticle is of a core-shell structure, the core is a compound with a hydrophobic group, the shell is maltodextrin, and the surface of the shell is loaded with a conjugate of an antigen protein coupled cationic polymer and an adjuvant. The prepared nano-particle vaccine can be used for mucosal immunity, co-delivery of a vaccine adjuvant and high-molecular-weight antigen protein is achieved, mucosal immune response of a body can be remarkably enhanced, meanwhile, strong systemic humoral immunity and cellular immune response can be induced, and the nano-particle vaccine is uniform in particle size and good in dispersity.
Owner:INSTITUTE OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES

Porous electromagnetic shielding composite material with electromagnetic shielding and flame retardant properties as well as preparation method and application of porous electromagnetic shielding composite material

The invention discloses a porous electromagnetic shielding composite material with electromagnetic shielding and flame-retardant properties and a preparation method and application thereof, and relates to the technical field of electromagnetic shielding and flame retardance. The porous electromagnetic shielding composite material comprises a PDMS / DNDOPO flame-retardant outer layer and a copper sulfide porous conductive skeleton core from outside to inside. According to the invention, the conductive skeleton is coated with the flame-retardant polymer coating, so that conductive loss and multiple reflection loss of electromagnetic waves can be realized, and a flame-retardant effect is achieved.
Owner:GUIZHOU MATERIAL IND TECH INSTITUE

Waterproof structure of mobile phone key

The utility model relates to the technical field of mobile phone keys, and discloses a mobile phone key waterproof structure, which comprises a mobile phone body, a key, a bolt and silica gel, the key is arranged on a control piece, the control piece is arranged in the mobile phone body, a circular through hole is arranged in the middle of the key, the bolt is arranged in the circular through hole, and the silica gel is arranged in the key. One end of the key is connected with the silica gel, the other end of the silica gel is connected with a mobile phone mainboard in the mobile phone body, the control piece and the key are limited between the mobile phone body and the sealing cover plate, the key is exposed out of the fixed cover plate, and the control piece is sealed with the key and is exposed out of the mobile phone body; the button, the bolt, the silica gel and the local waterproof glue are adopted, a decoration strip is omitted, waterproof devices are not needed, the requirement for the devices is lowered, the bad hidden danger caused by the assembling technology is reduced, the appearance is relatively changed, after-sales is simple, the button fault rate is low, and the good market application value is achieved.
Owner:SHENZHEN GUANQUN ELECTRONICS CO LTD

A building curtain wall support structure

This utility model relates to the field of building construction tools and discloses a building curtain wall support structure, including a support body, a fastening assembly, a mounting base, and a hanging bracket assembly. The support body is connected to the building wall. A guide seat is provided at one end of the support body near the mounting base, and the guide seat has a guide groove. An mounting block is provided at one end of the mounting base near the support body, and a guide block is provided on the mounting block. Fastening posts are provided on both sides of the guide block near the end of the support body. The fastening assembly is slidably disposed in the support body and consists of two oppositely disposed fastening rods. Both fastening rods extend towards the mounting base, and the extended portions pass through the support body and bend to form a fastening part. The mounting base is inserted into the guide groove through the guide block, and the fastening part fastens the fastening post to connect with the support body. The hanging bracket assembly is slidably disposed on the mounting base and has a hanging bracket opening, which is connected to the curtain wall panel. This solution has a simple structure and is easy to adjust.
Owner:SHENZHEN UNITED CHUANGYI ARCHITECTURAL DESIGN CO LTD

A track structure that allows products to be self-adapted to target positions

The utility model relates to track assembly structure technical field discloses a kind of conveying track structure that can make product and target position self-adaptive adjustment, including track body, the track body includes upper track assembly and lower track assembly, the upper track assembly is arranged with upper transmission component, the lower track assembly is arranged with lower transmission component, the upper transmission component is oppositely arranged with the lower transmission component, first suction nozzle component and second suction nozzle component are respectively arranged in the upper track assembly side, the first suction nozzle component and second suction nozzle component are oppositely spaced;Through track assembly and transmission component, the collaborative control of double power source and multidirectional limit constraint are realized, effectively solve the size difference in the multidirectional transmission process of PCB, conveying positioning is not accurate and transmission stability problem, complete function, accurate positioning, deviation problem will not appear, especially suitable for the automatic production application scene of PCB, with good market application value.
Owner:SHENZHEN YANGPU TECH CO LTD

A continuous conveyor belt production line

This invention relates to the field of production lines and discloses a continuous conveyor belt production line, comprising at least one conveyor frame, with two transmission lines arranged opposite each other on the upper part of the conveyor frame. Products flow to different workstations via the two transmission lines. A lifting and positioning mechanism and a light source lifting mechanism are arranged on the opposite outer sides of the conveyor frame. The lifting and positioning mechanism includes a lifting drive, a lifting guide, and a positioning plate. The lifting drive is located on the outer side of the conveyor frame, and its working end is connected to the positioning plate via the lifting guide. The positioning plate passes through the conveyor frame and is located between the two transmission lines. The lifting drive moves the positioning plate along the lifting guide to lift the product, while simultaneously preventing gaps below to allow the next product to be conveyed normally. This solution has a simple structure and does not affect the flow of subsequent products to the next process while the previous process is in operation, thus improving work efficiency.
Owner:SHENZHEN AXXON AUTOMATION

Defoaming agent for oilfield sewage treatment and preparation method thereof

The invention belongs to the technical field of oilfield ecological environment treatment, and particularly relates to a defoaming agent for oilfield sewage treatment and a preparation method of the defoaming agent. The preparation method comprises the following steps: sequentially adding bis (3-trimethoxysilylpropyl) amine, a catalyst and halohydrin into a high-temperature and high-pressure reactor, mixing and stirring at normal temperature for 30-60 minutes to form a mixed emulsion, introducing nitrogen, vacuumizing and replacing, heating to 80-100 DEG C, circularly introducing ethylene oxide, continuously heating to 120-140 DEG C, keeping the temperature to react for 2-3 hours, and cooling to room temperature to obtain the high-temperature-resistant epoxy resin. And introducing cold nitrogen, cooling to 40-50 DEG C, adding the compound emulsifier, and uniformly stirring and mixing to obtain the product defoaming agent. The defoaming agent disclosed by the invention has the advantages of simple preparation process, low cost and good oil field oily sewage treatment effect.
Owner:YINCHUAN PRODUCTIVITY PROMOTION CENT

Lithium battery tab convenient to connect

The utility model relates to the technical field of battery tabs and discloses a lithium battery tab convenient to connect, which comprises a first pole piece and a second pole piece which are arranged on two sides of a diaphragm, the first pole piece comprises a first connecting section and a second connecting section, a first end of the first connecting section is coated with a first adhesive layer, and a second end of the second connecting section is coated with a second adhesive layer. The second end of the first connecting section and the first end of the second connecting section are at least partially overlapped and welded to form a connecting part, and the connecting part is coated with a second bonding layer; the second end of the second connecting section is coated with a third bonding layer; one side of the second end of the second connecting section extends outwards to form a first extending part, and one side, far away from the second connecting section, of the first extending part extends outwards to form a second extending part; one end of the second extension part is provided with an outer convex part along the direction parallel to the second connecting section, the other end of the second extension part is provided with an inner concave position corresponding to the outer convex part, and the outer convex part is inserted at the lower side of the inner concave position of the next pole piece by winding the first pole piece. The scheme is simple in structure and convenient to connect with a cover plate connecting sheet.
Owner:SHENZHEN HUISHI ELECTRONICS CO LTD

Outer shell convenient for placing tablet personal computer

The utility model relates to the field of tablet support, and discloses an outer shell convenient for placing a tablet personal computer, which comprises a bottom shell and an external accessory, the back side of the bottom shell is provided with a connecting area, the connecting area is provided with at least two connecting clamping grooves, and the notch of the lower part of each connecting clamping groove is provided with a flange; the position, corresponding to the connecting clamping groove, of the external accessory is provided with a connecting piece, the inner side of the connecting piece is provided with a connecting clamping block, the connecting piece is inserted into the connecting clamping groove, and the connecting clamping block is clamped into the inner side of the flange, so that the external accessory is connected with the bottom shell; the back side of the bottom shell is respectively provided with a placing groove on two opposite sides of the connecting area, a supporting piece is arranged in each placing groove, a rotating assembly is arranged at the top of each placing groove, and the placing grooves are connected with the tops of the supporting pieces through the rotating assemblies. According to the scheme, the structure is simple, dismounting and mounting are convenient, and a flat plate is conveniently supported.
Owner:SHENZHEN GUANQUN ELECTRONICS CO LTD

A half-bridge resonant inverter type magnetically coupled resonant wireless charging power supply

The present invention relates to the technical field of wireless charging power supply, and in particular to a half-bridge resonant inverter type magnetically coupled resonant wireless charging power supply, which includes a transmitting end circuit and a receiving end circuit, wherein the transmitting end circuit includes an EMI filter circuit, a first rectifier filter circuit, a half-bridge LCC resonant inverter circuit, a first auxiliary power supply, a first signal conditioning circuit, a control circuit and a first communication circuit; the receiving end circuit mainly includes a parallel resonant circuit, a second rectifier filter circuit, a second auxiliary power supply, a second signal conditioning circuit and a second communication circuit. The present invention combines the inverter topology with the resonant topology to achieve input power regulation and reduce the size and weight of the transmitting end; wireless communication between the transmitting end and the receiving end circuit is achieved through the first communication circuit and the second communication circuit, while improving the dynamic and static performance of the power supply, ensuring that the receiving end circuit has the advantages of small size and simple structure, and has good market application value.
Owner:DONGGUAN LARGE ELECTRONICS CO LTD

Outdoor advertisement automatic delivery all-in-one machine

ActiveCN224287756USuitable for automatic deliveryincrease exposure
This utility model relates to the field of outdoor display technology and discloses an automatic outdoor advertising delivery machine, including a walking bracket, an outer frame, and a cabinet. The outer frame is mounted on the walking bracket, and has an opening on its front side to allow the cabinet to be placed inside the outer frame through the opening. The two opposite sides of the outer frame are display sides. A mounting cover is provided on the top of the display sides, and a projector is provided on the lower side of the mounting cover. The projector includes a mounting base, an adjustment base, and a projection component. An adjustment screw is provided at the lower part of the mounting base, and an arc-shaped adjustment hole is provided at the upper part of the adjustment base. The adjustment screw passes through the arc-shaped adjustment hole to rotatably connect the mounting base and the adjustment base. An adjustment nut is screwed to the end of the adjustment screw. The projection component is located at the lower part of the adjustment base. This solution has a simple structure, is suitable for automatic outdoor advertising delivery, and improves advertising exposure.
Owner:深圳市昌卓科技有限公司

A document robot

The present invention relates to the technical field of self-service bills, and provides a document robot, comprising a frame and a printer, a first conveying component, a stamping component, a second conveying component, a stacking component, a third conveying component, a binding component, a first paper output channel and a second paper output channel arranged on the frame, the printer is arranged on a bottom plate in the frame, the feed port of the first conveying component is connected to the paper output port of the printer, the output port of the first conveying component, the stamping component, the second conveying component, the stacking component and the third conveying component are connected in sequence, the first paper output channel and the binding component are respectively connected to the output port of the third conveying component, and the second paper output channel is connected to the binding component; the present invention realizes automatic printing, stamping, stacking, binding and outputting operations for single paper and multiple papers respectively through the above structure, reduces the workload of employees, reduces labor costs, improves work efficiency, and meets the automatic printing to binding and outputting operations of documents of large enterprises.
Owner:SHENZHEN YANXUNCHENG SCI & TECH CO LTD

Asymmetric runner integrated exhaust manifold of automobile exhaust system and cold start ignition control method

PendingCN121854225AWith quantifiable data supportMeet the test cold start conditions requirementsElectrical controlExhaust apparatusLoop controlIgnition delay
The invention discloses an asymmetric runner integrated exhaust manifold of an automobile exhaust system and a cold start ignition control method, and relates to the technical field of automobile exhaust systems. The exhaust manifold and an engine cylinder cover are integrated, and the exhaust manifold comprises a manifold body, an asymmetric branch flow channel set, an integrated thermal coupling structure, a waste gas confluence cavity, a temperature collecting module and a sealing structure. The asymmetric branch runner group is adaptive to the exhaust characteristics of each cylinder, so that airflow interference and heat loss are reduced; the integrated thermal coupling structure conducts heat with cylinder cover waste heat through water jacket flow adjustment, and the waste gas temperature is increased; and the temperature acquisition module acquires temperature data in real time and transmits the temperature data to the ECU to realize closed-loop control. According to the cold start ignition control method, rapid ignition of the aftertreatment device is achieved through working condition recognition, temperature feedback, thermal coupling flow adjustment and air-fuel ratio and ignition advance angle cooperative adjustment. The problems that in the prior art, cold start ignition is delayed, emission exceeds the standard, and fuel economy is poor are solved, ignition time is shortened by 18-25 seconds, cold start emission is greatly reduced, and the method adapts to national sixth B and above emission laws and regulations and has good mass production feasibility and application value.
Owner:ZHONGXIANG MINGDONG MUFFLER

Automatic thermal assembly equipment for motor housing stator

The invention discloses an automatic thermal installation device for a motor housing stator, comprising a frame, an electric control box is arranged in the frame, an electric control system is arranged in the electric control box, a left workbench and a right workbench are arranged on the frame, a first workstation, a second workstation and a third workstation are arranged on the left workbench from left to right in sequence, a shifting and picking mechanism is arranged in the middle of the left workbench, the first workstation, the second workstation and the third workstation are all arranged within the travel range of the shifting and picking mechanism, a high-frequency heating mechanism is arranged on the rear side of the left workbench; the right workbench is arranged on the right side of the left workbench, a material unloading transmission mechanism is arranged on the right workbench, and a cooling mechanism is arranged on the upper side of the material unloading transmission mechanism; the invention has a simple structure, is easy to use, realizes automation, can work continuously, saves labor, meets production needs and improves production efficiency, and has good market application value.
Owner:SHENZHEN JIANGNAN WEIYE MOLD PLASTIC

A fully automatic production process for carbonization of nanoelectric negative electrode materials

The invention relates to the technical field of automatic outer line processing of carbonized negative electrode materials, and discloses a fully automatic production process for carbonizing nanoelectric negative electrode materials. The process steps are as follows: step S1: a sagger loading process, step S2: a sagger leveling process, step S3: a sagger stacking process, step S4: a sagger covering process, step S5: a sagger cleaning process after covering the sagger, step S6: a sagger feeding and conveying process, step S7: a sagger feeding process into a furnace, step S8: a sagger unloading and discharging process, step S9: a sagger discharging and conveying process, step S10: a sagger cover removal process, step S11: a sagger layering process, step S12: a sagger high-temperature carbonization detection process, step S13: a sagger discharging process, and step S14: a sagger loading process. The whole process is closed, and dust is fully collected, so that dust is prevented from floating. At the same time, the invention is environmentally friendly and hygienic, has low cost, high quality, saves time and effort, and has good market application value.
Owner:SHENZHEN RIYUEXIN AUTOMATION EQUIP CO LTD

Bio-based heat-resistant high-elasticity nylon elastomer and preparation method thereof

PendingCN122080396Aincrease the degree of polymerizationimprove performanceElastomerPolymer science
The invention discloses a bio-based heat-resistant high-elasticity nylon elastomer and a preparation method thereof, and relates to the technical field of high polymer materials. The preparation method comprises the following steps: (1) adding bio-based dibasic acid, bio-based diamine, trimesic acid, a polyether soft segment, a reaction auxiliary agent and deionized water into a reaction container; (2) in a nitrogen atmosphere, heating and pressurizing to carry out a first reaction; (3) after the first reaction is completed, heating and pressurizing for second reaction; and (4) after the second reaction is completed, releasing the pressure, vacuumizing, and heating to carry out a third reaction. According to the preparation method, the polymerization reaction degree of the raw materials is higher, and the performance of the obtained product is better; the reaction is more thorough, and the utilization rate of each raw material and the yield of the product are obviously improved; meanwhile, the reaction efficiency can be improved, the production period is remarkably shortened, the energy consumption and the production cost are reduced, and the method is suitable for large-scale industrial production of the bio-based heat-resistant high-elasticity nylon elastomer.
Owner:SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING

Aluminum template forming and punching device

The utility model relates to the technical field of aluminum template punching machining, and discloses an aluminum template forming punching device which comprises a rack, a bearing plate is fixedly installed on the rack, and a punching assembly, a limiting assembly, a first cutting assembly, a second cutting assembly, a first displacement assembly and a second displacement assembly are installed on the bearing plate. The limiting assembly is arranged in the upper middle of the bearing plate, the punching assembly is arranged on the rear side of the bearing plate, the two ends of the limiting assembly are connected with the first displacement assembly and the second displacement assembly respectively, and the first cutting assembly is arranged below the middle of the first displacement assembly and the middle of the limiting assembly. The second cutting assembly is arranged below the middle of the second displacement assembly and the middle of the limiting assembly. The drilling efficiency is improved, meanwhile, it is guaranteed that materials can be cut according to requirements due to the length of the punched materials, unified collection can be conducted, the production efficiency is high, the production cost is low, the quality is good, and the good market application value is achieved.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Scaffold structure in foundation pit fat groove

The utility model relates to the field of building construction tools, and discloses a scaffold structure in a foundation pit fat groove, which comprises a hanging frame body, a support frame body and a connecting fastener, the hanging frame body comprises a long frame part, a short frame part and a transverse frame part, two ends of the transverse frame part are respectively connected with the top of the long frame part and the top of the short frame part so as to form a [-shaped structure, and the horizontal frame part is sleeved on a top beam of a foundation pit. The long frame part is located on the inner side of the side wall of the foundation pit, and the support body is connected with the bottom of the long frame part through a connecting fastener. Guide wheels are arranged on the sides, close to each other, of the long frame part and the short frame part, and the rolling direction of the guide wheels is parallel to the transverse frame part; supporting parts are arranged on the sides, close to each other, of the long frame part and the short frame part, each supporting part comprises a supporting seat, a limiting seat and an adjusting part, one end of each supporting seat is rotationally connected with one end of the corresponding limiting seat, and each adjusting part is arranged at the other end of the corresponding supporting seat and is at least partially movably arranged so as to be movably connected with the other end of the corresponding limiting seat; and the long frame part, the short frame part and the side wall of the foundation pit are tightly supported. The scheme is simple in structure and convenient to adjust.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Preparation method and application of hydrogel adhesive bandage for preventing recurrence and promoting tissue repair after melanoma operation

The invention discloses a preparation method of a hydrogel adhesive bandage for preventing relapse after melanoma operation and promoting tissue repair, and the preparation method comprises the following steps: preparing mesoporous bioactive glass rich in cerium and neodymium through an organic template method, ammonifying the surface of the mesoporous bioactive glass, and grafting methotrexate on the bioactive surface through an amido bond. And dispersing the obtained nanoparticles in a solution containing sulfobetaine methacrylate, acrylamide and chitosan, adding ammonium persulfate, tetramethylethylenediamine and N, N '-methylene bisacrylamide, fully mixing, injecting into a glass mold separated by polytetrafluoroethylene, and incubating at 40-60 DEG C for 30 minutes to obtain the hydrogel adhesive bandage. The hydrogel adhesive bandage effectively combines the photo-thermal performance of neodymium, the cell proliferation promoting capacity of cerium and the targeting and cancer inhibition effects of methotrexate, targeted therapy of nanoparticles can be achieved, and multiple cancer cells are killed in a photo-thermal and chemotherapy combined mode.
Owner:NORTHWEST UNIV

Steel three-stage sedimentation tank for building construction site

The utility model relates to the technical field of constructional engineering, and discloses a steel three-stage sedimentation tank for a building construction site, which comprises a sedimentation tank, a first sedimentation tank, a second sedimentation tank and a third sedimentation tank are arranged in the sedimentation tank, and the first sedimentation tank, the second sedimentation tank and the third sedimentation tank are connected. Overflow ports are formed in the first sedimentation tank, the second sedimentation tank and the third sedimentation tank, a plurality of steel plate lifting lugs are arranged on the two side walls of the sedimentation tank, a first channel steel layer and a second channel steel layer are arranged on the outer side wall of the sedimentation tank in a sleeving mode respectively, and the first channel steel layer and the second channel steel layer are sequentially arranged from top to bottom; the first channel steel layer is arranged below the plurality of steel plate lifting lugs, and a glass fiber reinforced plastic grating is mounted above the settling tank; the main structure is completely made of steel plates, welding is fast and simple, cost is low, mounting, dismounting and transportation are convenient, secondary utilization of a site is achieved, a fence is not needed, and the device can be used at any time and recycled and has good market application value.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Three-proofing mobile phone LDS antenna contact receiver

The utility model relates to the technical field of mobile phone receivers, and discloses a three-proofing mobile phone LDS antenna contact receiver, which comprises a mobile phone main body, a bottom shell support and a bottom shell cover plate, the bottom shell support is arranged in a collection main body, the bottom shell cover plate is arranged on the bottom shell support, a laser LED antenna, a laser LDS antenna and a mobile phone receiver are respectively arranged on the bottom shell support, and the mobile phone receiver is arranged on the bottom shell support. The laser LDS antenna is connected with a mainboard elastic sheet on the bottom shell support, a receiver elastic sheet on the mobile phone receiver is connected with the laser LDS antenna, a camera is installed in the middle of the bottom shell support, the laser LDS antenna and the mobile phone receiver are adjacently arranged at one end of the bottom shell support, and the laser LDS antenna is arranged on the surface of the bottom shell support in a laser carving mode. A receiver switching FPC is replaced by a laser LDS antenna circuit, seamless fusion of an antenna and a mobile phone structure is realized, the occupied space is reduced, the cost is reduced, and the radiation-proof film is arranged on the periphery of the mobile phone receiver, so that radiation of mobile phone electromagnetic waves to a human body is blocked.
Owner:SHENZHEN ULEFONE TECH CO LTD

A ram device capable of automatically adjusting height and tilt angle and application method thereof

The present invention relates to the technical field of engineering jacking construction and building displacement, and in particular to a ram device capable of automatically adjusting height and tilt angle and an application method thereof, characterized in that it comprises a ram, a sliding friction reducing device, a vertical spring, a limiting device and a protective steel pad, wherein the sliding friction reducing device is arranged above the ram, the vertical spring is arranged at the bottom of the ram, the protective steel pad is arranged at the bottom of the vertical spring, and the limiting device is arranged at the periphery of the ram for limiting the vertical and longitudinal directions of the ram. The advantages of the present invention are that it can realize automatic adjustment of height and tilt angle in dragging construction; it does not need to be processed and manufactured separately, and can adopt standard ram spring components, which are light in weight, large in deformation, convenient in installation, and can be repeatedly disassembled and assembled.
Owner:CHINA RAILWAY SHANGHAI DESIGN INST GRP CO LTD +1

Modeling method of fiber-grade two-dimensional circular braided fabric

The invention provides a modeling method for a fiber-grade two-dimensional circular braided fabric, and belongs to the technical field of braided fabric modeling, and the modeling method for the fiber-grade two-dimensional circular braided fabric comprises the steps: obtaining geometric parameters of the fiber-grade two-dimensional circular braided fabric according to a braided structure of the fiber-grade two-dimensional circular braided fabric, the geometric parameters comprise a twist yarn pitch h, a fiber radius r, a total number m of single fibers, a twisting degree A, a fiber amplitude a, a braided fabric radius R and a total number n of braided yarns, modeling a single fiber bundle, modeling a single sine curve-shaped braided yarn, and modeling a two-dimensional circular braided fabric. According to the method, the fiber curve equation of the single fiber in the braided fabric can be obtained, the fiber-grade two-dimensional circular braided fabric is modeled and simulated, a theoretical basis is provided for design and optimization of a two-dimensional circular braided fabric product, and the method has wide technical and market application prospects.
Owner:JIANGNAN UNIV

Electronic transformer pin shaping mold

The utility model relates to the technical field of electronic transformers, and discloses an electronic transformer pin shaping mold which comprises a pin shaping base, a pin shaping mold, a first pin shaping unit, a second pin shaping unit and a detection unit, and the pin shaping mold, the first pin shaping unit, the second pin shaping unit and the detection unit are all arranged on the pin shaping base. The pin shaping mold is arranged in the upper middle of the pin shaping base, the first pin shaping unit and the second pin shaping unit are arranged on the two sides of the pin shaping mold respectively, and the detection unit is arranged on the rear side of the pin shaping mold; an electronic transformer is arranged in the pin shaping mold, the electronic transformer comprises a magnetic core, the periphery of the magnetic core is wrapped with an adhesive tape, and the side part of the magnetic core is also wrapped with an adhesive tape; the cut of the lead-out pin is smooth, polishing treatment and detection treatment can be carried out at the same time, meanwhile, cut-off waste materials are collected, the production rate is high, the cost is low, and the good market application value is achieved.
Owner:YONGZHOU QINXINLONG INTELLIGENT TECH CO LTD

Traditional Chinese medicine composite meal replacement powder with metabolic regulation function and production process thereof

PendingCN122074643AActively regulate metabolismMeet daily nutritional needsMetabolism disorderFood scienceBiotechnologyNutrition
The invention belongs to the technical field of health food and traditional Chinese medicine health preservation, and particularly relates to traditional Chinese medicine composite meal replacement powder with a metabolic regulation function and a production technology thereof.The meal replacement powder is prepared from, by weight, 35%-55% of traditional Chinese medicine conditioning components and 45%-65% of modern functional raw materials, and 0.15%-0.7% of auxiliary components can be selectively added; the traditional Chinese medicine conditioning components comprise 13 medicinal and edible raw materials such as ginseng and poria cocos, the modern functional raw materials comprise purified konjaku flour and skimmed whey protein, the calorie of the product is less than or equal to 150kcal / 100g, the dietary fiber is greater than or equal to 15g / 100g, and the protein is greater than or equal to 12g / 100g; the production technology comprises the steps of raw material pretreatment, graded mixing, low-temperature sterilization and sterile packaging, low-temperature drying and superfine grinding are adopted in the pretreatment, graded stirring is adopted in the mixing, and ultrahigh-temperature instant sterilization is adopted in the sterilization. The defects that existing meal replacement powder is prone to metabolic disorder and body weight rebound are overcome.
Owner:李柯萦