26results about How to "Broad market" patented technology

The invention discloses a high arch dam deformation state fractional order numerical analysis method and module, and relates to the technical field of hydraulic structure service state analysis and computational mechanics. The method comprises the following steps: establishing a high arch dam body and dam foundation fractional order rheological mechanical element model by constructing a fractional order characterization method of attenuation rheological, steady-state rheological and accelerated rheological in a three-dimensional stress state; calculating an internal stress increment, a viscoelastic strain increment, a viscoplastic strain increment and a deformation increment in a delta tn time period by adopting a front difference formula according to the stress, the viscoelastic strain, the viscoplastic strain and the deformation at the tn moment by virtue of an increment finite element method, so as to obtain the stress, the strain and the deformation at the tn + 1 moment; and repeatedly calculating to obtain the stress, strain and deformation of the high arch dam in the analysis time period. According to the method, the nonlinear rheological effect of the dam body and the dam foundation of the high arch dam is objectively described, scientific deformation property numerical value quantitative analysis is achieved, technical support is provided for safety monitoring and dangerous case early warning of the in-service high arch dam, and the method has wide application prospects and market prospects.

The invention relates to the technical field of flame-retardant conveying belts, in particular to a preparation method of a high-wear-resistance flame-retardant environment-friendly graphene / basalt fiber / rubber composite material and a laminated conveying belt prepared through the preparation method. The preparation method mainly comprises the following steps: (1) preparing functionalized graphene and basalt fiber particles; and (2) preparing the graphene and basalt fiber / rubber composite material. The graphene and the basalt fiber are compounded and used in the belt core framework material, the core rubber and the cover rubber of the conveying belt, so that the conveying belt has the characteristics of high strength, high modulus, high temperature resistance, difficulty in deformation, environment friendliness, flame retardance and static electricity resistance, and the application requirements of the rubber conveying belt in different use environments are met.

The invention relates to bletilla striata fermentation liquor as well as a preparation method and application thereof. Specifically, the invention discloses bacillus subtilis for preparing the bletilla striata fermentation liquor, and the preservation number of the bacillus subtilis is CGMCC (China General Microbiological Culture Collection Center) No.29154. According to the method, the bletilla striata is fermented by using the bacillus subtilis, so that the polysaccharide activity of the bletilla striata can be improved, the viscosity of fermentation liquor can be reduced, the loss of active ingredients (such as polysaccharide) in the bletilla striata can be reduced, the bletilla striata is fully utilized, and the waste of resources is reduced. It is accidentally found that the obtained bletilla striata fermentation liquor has excellent oxidation resistance and moisturizing performance. The raw materials are natural single raw materials, and the components are purer, safer and more stable; the preparation method is simple, convenient, easy to operate, high in safety and remarkable in effect, and has wide market and application value in preparation of cosmetics with antioxidant and moisturizing functions when being used as an active ingredient.

The utility model provides an automatic chamber returning toy gun which comprises a grip and a sleeve, the sleeve is connected to the upper side of the grip and moves along the grip, a main counter-recoil spring is arranged in the grip, the grip is connected with the sleeve through the main counter-recoil spring, an auxiliary spring is arranged in the sleeve, and the auxiliary spring is connected with the grip through the auxiliary spring. One end of the auxiliary spring is connected with the inner right wall of the sleeve, the other end of the auxiliary spring is connected with the auxiliary spring locking tenon, the auxiliary spring locking tenon is rotationally connected to the grip through a rotating shaft, a sliding block is arranged on the upper side of the auxiliary spring locking tenon, and the sliding block is arranged in the sleeve and is in sliding connection with the sleeve; the stiffness coefficient of the main counter-recoil spring is smaller than that of the auxiliary spring. The trigger force can be reduced, and the trigger stroke can be shortened; compared with the prior art, the lower trigger force and the shorter trigger stroke can be guaranteed, meanwhile, the larger chamber returning force is achieved, the whole product adopting the design is more compact, and the playing effect is better.

The invention discloses an integrated domestic sewage treatment and recycling equipment, belongs to the technical field of resource recycling and sewage treatment, and specifically relates to an integrated domestic sewage treatment and modular sewage treatment recycling technology. The core content and technical scheme are to add a super-wettable membrane material sewage separation device, a sewage collection device, a high-level water tank and matching pipes, valves, interlocking devices, etc. on the basis of the existing urban water supply and drainage network, and change the traditional fresh water used for flushing toilets into circulating water after integrated sewage treatment and purification. The invention achieves the purpose of saving water resources, high domestic sewage recycling rate and low unit cost.

This invention discloses a fractional-order numerical analysis method and module for the deformation behavior of high arch dams, relating to the fields of service behavior analysis and computational mechanics technology for hydraulic structures. By constructing fractional-order characterization methods for decaying rheology, steady-state rheology, and accelerated rheology under three-dimensional stress states, fractional-order rheological mechanical element models of the dam body and foundation of high arch dams are established; using the incremental finite element method, based on t n The stress, viscoelastic strain, viscoplastic strain, and deformation at time t are calculated using the predifference formula. n The stress increment, viscoelastic strain increment, viscoplastic strain increment, and deformation increment within the time period are used to derive t. n+1 By repeatedly calculating the stress, strain, and deformation at specific moments, the stress, strain, and deformation of the high arch dam within the analysis period are obtained. This invention not only objectively characterizes the nonlinear rheological effects of the dam body and foundation of the high arch dam, but also achieves scientific numerical quantitative analysis of deformation behavior, providing technical support for safety monitoring and early warning of potential hazards in in-service high arch dams, and has broad application prospects and market potential.

The utility model discloses a device for rapidly stripping a cable sheath. The device comprises a workbench; a cable stripping mechanism is arranged on the workbench; the cable stripping mechanism comprises a stripping box, a spring tool bit and a spring guide wheel; the spring tool bit and the spring guide wheel are arranged in the middle of the stripping box; the spring tool bit and the spring guide wheel are arranged on the upper side and the lower side of the stripping box correspondingly and are matched oppositely. A straightening track is also arranged in the stripping box; straightening wire guide wheels are further arranged on the upper side and the lower side of the straightening track; the device can solve the problem that cable sample manufacturing and cable damage repair processing are difficult, the requirements of customers for model selection and cable structure knowing are met, a tool for repairing sheath layer damage caused by scraping and rolling in the cable laying and manufacturing process is provided, and through the simple, reliable, rapid and high-precision rapid cable sheath stripping device, the service life of the cable is prolonged, and the service life of the cable is prolonged. The purposes of improving the production efficiency and being safe, stable and reliable are achieved, the requirements of customers are met, economic benefits are created, and the market is developed.

The invention provides a porous medium fire parameter measurement system and method based on fixation and movement combination, and the system comprises a data information processing module. The system comprises a data information storage module, a fire source identification and positioning algorithm detection module, a 5G communication module, a power supply device, a fire water monitor device, a mobile device, an alarm device, a camera device, a thermocouple, a temperature sensing cable and a gas sensor. The data information processing module, the data information storage module, the fire source identification and positioning algorithm detection module, the 5G communication module, the power supply device, the mobile device and the camera device are arranged in an industrial personal computer, and the output of the industrial personal computer controls the fire water monitor device and the alarm device. According to the invention, real-time fire measurement based on fixed and mobile combination is realized, multi-source data are fused based on a deep learning algorithm, then fire identification and positioning are realized, and the method has the advantages of high test precision, simple operation and the like.

The embodiment of the application provides a screen defect online detection method and system based on a multi-modal fusion mechanism, and belongs to the technical field of image processing and identification. The method steps comprise: scanning and preprocessing a to-be-detected film layer through a two-dimensional bright field imaging system, obtaining a two-dimensional gray image, determining and screening a candidate defect region, adding the candidate defect region to a three-dimensional scanning queue, performing three-dimensional measurement and dark field imaging processing through a white light interference three-dimensional measurement device, performing multi-feature fusion analysis in combination with a multi-modal detection mode, and determining whether the candidate defect region is an in-film defect or an out-of-film defect according to a fusion score. The embodiment of the application provides two aspects of advantages of high-speed screening and high-precision detection, reduces a false positive rate, reduces false defects caused by illumination, reflection and texture, and can distinguish in-film defects and out-of-film defects based on 3D height data, accurately judges a defect level, and greatly surpasses the detection level of related technologies of separate 2D and separate 3D.

A three-dimensional mesh earthquake-resistant building structure and construction method, comprising a steel truss-type structural wall, a steel member-type mesh inhomogeneous floor slab and a structural column with a steel shell, wherein a steel flange is mounted on the structural column with a steel shell, and the steel flange is connected to the steel member in the steel member-type mesh inhomogeneous floor slab; the steel truss in the steel truss structural wall is connected to the steel shell in the structural column with a steel shell, and the top of the steel truss in the steel truss structural wall is connected to the steel member in the upper steel member-type mesh inhomogeneous floor slab, and the bottom of the steel truss in the steel truss structural wall is connected to the steel member in the lower steel member-type mesh inhomogeneous floor slab or the foundation, and a three-dimensional mesh earthquake-resistant building is constructed by combining the steel member-type mesh inhomogeneous floor slab, the structural column with a steel shell and the steel truss structural wall. The three-dimensional mesh earthquake-resistant building wall of the present invention has an inner concave and outer convex facade, which meets people's requirements for personalized apartment type rooms and garden-style living.

The invention relates to the technical field of food processing, and particularly discloses an eel food pretreatment process, which adopts an image processing technology, collects image information in an eel processing process through a camera, divides viscera residue, blood residue and injury areas, and can calculate a viscera removal score according to an identification result so as to obtain a viscera removal result. Compared with the prior art, the method has the advantages that the machining efficiency can be remarkably improved, the labor cost can be reduced, the loss rate in the machining process can be reduced, the consistency of the product quality can be effectively improved, the competitiveness of the product in the market can be enhanced, and the market competitiveness of the product can be improved. In addition, the method is also beneficial to promoting the technical progress and industrial upgrading of the eel processing industry, and in short, the invention provides an efficient, reliable, economical and practical technical scheme for solving the challenges faced by the current eel processing industry.

The present invention provides a method for co-producing ethanol and L-arabinose using corn bran, the method comprising pretreatment, enzymolysis, fermentation, alcohol distillation, decolorization, ion exchange, concentration, and crystallization. The present invention obtains alcohol and L-arabinose by processing corn bran, which can further improve the utilization value of corn bran and increase the income. In addition, the obtained alcohol can be used as a clean fuel, which meets the needs of environmental protection, and L-arabinose has a broad market as a health functional sugar; the method of the present invention, relative to the dry basis of corn bran, the alcohol yield reaches 22-23%, and the L-arabinose yield is 15.5-16%.

The present invention discloses a temperature-pressure integrated fiber grating sensor and a human sleep multi-vital sign monitoring system. The system comprises a mattress, a plurality of temperature-pressure integrated fiber grating sensors, a demodulator, and a host computer. The plurality of vital sign fiber grating sensors are fixedly arranged in a gap between a mattress and a bed net, and their depths are kept at the same horizontal plane. The plurality of vital sign fiber grating sensors are connected to the demodulator to transmit data to the host computer. The present invention identifies the pressure exerted on the sensor by detecting the wavelength of a fiber grating spectrum signal peak splitting point, identifies the ambient temperature of the sensor by detecting the center wavelength drift of the fiber grating spectrum signal, monitors the multi-vital sign information of the user in bed, including the respiratory rate, heart rate, and the state of falling out of bed, etc. The system has the advantages of simple structure, small size, anti-electromagnetic interference, low cost, etc.

The invention discloses an alarm automatic closed-loop processing method for foreign matters monitored on a conveying belt, which comprises the following steps: identifying the foreign matters in a belt flow for the first time, automatically calculating the time when the foreign matters arrive at each transfer hopper and a next monitoring point according to the belt flow and the belt speed, and carrying out reinforced monitoring on the transfer hoppers in corresponding time periods, finally, whether the foreign matter exits the system or not is automatically tracked, and foreign matter detection alarm automatic closed-loop management is achieved. According to the method, automatic closed-loop processing is carried out according to the recognized foreign matter through a service extension algorithm, on one hand, risks caused by service automatic recognition of the foreign matter are met, on the other hand, automatic closed-loop of alarm is achieved, the problem of operation risks of a belt operation system is solved, meanwhile, the manual workload is not increased, and the scene service requirements are better met.

The invention discloses preparation and application of a hyperbranched polymer with high gene transfection capacity, and belongs to the technical field of chemical synthesis and modification. The preparation method of the hyperbranched polymer with high gene transfection capacity comprises the following steps: adding an acrylate compound and organic amine into an organic solvent, dissolving, carrying out addition reaction, cooling, adding an end-capping reagent, and continuously reacting to obtain the hyperbranched polymer. The hyperbranched polymer prepared by the invention can solve the problem that the transfection efficiency is low after the existing precursor is polymerized, the transfection capacity of nucleic acid drugs in cells is remarkably improved while the biological safety is ensured, and the hyperbranched polymer is expected to replace viral vectors to be used as mainstream nucleic acid drug delivery vectors in the market.

The present invention proposes a new procedure about a photolithographic method for forming a black pattern such as a black matrix. The present invention relates to a black resist composition suitable for this new process and excellent in light-blocking effect. The present invention relates to a black resist composition including a near-infrared-permeable black pigment (A), a sensitizing dye (B) having absorption in a near-infrared region, a radical polymerization initiator or acid generator (C), and a binder resin (D) as essential components. The black pigment (A) here used is preferably a lactam-based pigment, a perylene-based pigment, and / or an azomethine-based pigment, and a cyanine dye, a squarylium dye, and / or a phthalocyanine dye are / is contained as suitable sensitizing dye(s), together with the black pigment. The present invention relates to a novel photolithographic process of a black pattern with application of near-infrared light.

This invention discloses a magnetic composite material, its preparation method, and magnetic devices prepared using the same, belonging to the technical field of bonded magnetic composite materials. The invention provides a magnetic powder comprising 0.5-4.5 wt.% lanthanum, 5.0-9.0 wt.% cerium, 2.5-4.0 wt.% praseodymium, 9.0-16.0 wt.% neodymium, 1.0-4.0 wt.% zirconium, 0.1-1.0 wt.% aluminum, 0.5-1.5 wt.% boron, with the remainder being iron (Fe). It also provides a magnetic composite material comprising 83-93 parts of the magnetic powder, 0.2-2 parts of a coupling agent, 7-17 parts of a resin polymer, 0.5-3 parts of a polymeric elastomer, and 0.1-0.5 parts of a lubricant. The magnetic composite material disclosed in this invention, when applied to magnetic devices, possesses characteristics such as low cost, low thermal demagnetization, high magnetic properties, and excellent mechanical and processability, meeting the requirements for magnetic devices in thermal management systems.

The invention relates to the technical field of photovoltaic weeding machines, in particular to a self-propelled photovoltaic weeding machine which comprises an external assembly, a supporting frame, a driving assembly, a driving frame arranged at one end of the supporting frame, a weeding assembly and a fixed cutter arranged at one end of the supporting frame. The external assembly further comprises a connecting frame arranged at one end of the supporting frame, an operation shaft is arranged on the inner side of the connecting frame, a fixing frame is arranged on the outer side of the operation shaft, the driving assembly further comprises a reduction gearbox arranged at one end of the driving frame, a driving rod is arranged at one end of the reduction gearbox, a transmission shaft is arranged at one end of the driving rod, and the transmission shaft is connected with the transmission shaft. After the driving assembly drives the crawler belt on the external assembly to move, the driving assembly drives the weeding assembly to move, so that the weeding assembly treats weeds, the levee slope weeding operation is efficiently completed, and the levee slope weeding device has wide application prospects and market prospects.

The application discloses a method for growing nano-titanium dioxide on the surface of cloth in situ, which comprises the following steps: putting the cloth into a hydrogen peroxide aqueous solution and heating and treating the cloth at 70-90 DEG C for 2-3 hours; adding copper acetate into the solution, wherein the mass fraction of the copper acetate in the solution is 0.01-0.1 ppm, and continuing to heat and treat the cloth at 70-90 DEG C for 1 hour after the addition of the copper acetate; taking out and drying the cloth; immersing the dried cloth into a titanic acid solution and soaking the cloth at 40-50 DEG C for 1-2 hours; taking out the cloth soaked in the titanic acid solution; extruding the cloth soaked in the titanic acid solution to obtain a cloth containing the titanic acid solution with a mass fraction of 50-80%; and heat-treating the cloth containing the titanic acid solution under a sealed condition to obtain a cloth material with nano-titanium dioxide grown on the surface in situ.

A power distribution network system of an electric propulsion aircraft belongs to the field of aircraft power distribution. The direct-current generator power supply serves as main power supply equipment of an aircraft, is arranged in the center of the aircraft and is connected with an engine and a nearest distribution box. All the power distribution boxes are arranged in a multi-step ring shape from the center to the edge of the airplane, the adjacent step rings and the power distribution boxes located in the same step ring are connected with one another, meanwhile, the power distribution boxes need to be arranged nearby according to distribution of loads on the airplane, and a spider net-shaped structure with the center power distribution box as the net center is formed; each distribution box is connected with an energy storage power supply or a direct-current generator power supply which is configured with the distribution box, one distribution box is selected to be connected with a ground direct-current power supply, and the distribution box is connected with a load close to the distribution box. The method has the advantages of higher system redundancy, higher reliability and higher safety.

The invention discloses high-wear-resistance anhydrous phosphogypsum-based self-leveling thermal insulation mortar which is prepared from the following components in parts by weight: 70 to 80 parts of anhydrous phosphogypsum, 5 to 10 parts of semi-hydrated phosphogypsum, 4 to 6 parts of thermal insulation filler, 0.5 to 1.5 parts of modified glass fiber, 2 to 4 parts of composite wear-resistant material, 1 to 2 parts of redispersible latex powder, 0.1 to 0.3 part of sodium polyacrylate, 8 to 12 parts of river sand and 0.5 to 0.7 part of calcium chloride. 0.2 to 0.4 part of a water reducing agent, 0.05 to 0.15 part of a retarder and 30 to 40 parts of water; according to the high-wear-resistance anhydrous phosphogypsum-based self-leveling thermal insulation mortar and the preparation method thereof, the problems that the anhydrous phosphogypsum is low in hydration activity and slow in setting and hardening and semi-hydrated gypsum faces impurity influences are solved, and resource utilization of the anhydrous phosphogypsum is achieved in the field of self-leveling thermal insulation mortar; meanwhile, excellent wear resistance and heat preservation performance are achieved.

This invention relates to the field of daily-use ceramics technology, specifically to a self-cleaning daily-use ceramic decal and its manufacturing method. A self-cleaning daily-use ceramic decal includes, from the outside in, a photocatalytic cover adhesive layer, a pattern layer, an aqueous sol layer, and a base paper layer. The photocatalytic cover adhesive layer comprises an outer layer and an inner layer; the outer layer is a cover oil layer, and the inner layer is a mixing agent layer. TiO2 is added to the mixing agent layer. The mixing agent layer is used separately from the ink layer, which does not affect the original color of the ink or increase the thickness of the pattern. This effectively avoids wasting other additives while ensuring the desired effect.

The invention relates to a preparation method and application of a cleistocalyx operculatus flower extract with an anti-aging effect. Specifically, the invention discloses a preparation method of the cleistocalyx operculatus flower extract with the anti-aging effect, which comprises the following steps: extracting dried, crushed and sieved cleistocalyx operculatus flower by using water or an organic solvent according to a certain solid-to-liquid ratio at the temperature of 20-90 DEG C so as to extract the cleistocalyx operculatus flower extract with the anti-aging effect. According to the prepared cleistocalyx operculatus flower extract, the raw materials are natural single raw materials, and the components are purer, safer and more stable; the preparation method is simple, convenient, easy to operate, high in safety and remarkable in effect, and has wide market and application value in preparation of food or cosmetics with anti-oxidation and anti-skin-aging functions when being used as an active ingredient.

The utility model discloses a sachet type fabric mobile phone protection shell, which comprises four mobile phone protection shell wrap angles, a mobile phone shell frame, a camera preformed hole, a mobile phone shell power supply hole, a mobile phone shell microphone hole and mobile phone shell side surface keys for controlling the volume and the power supply of a mobile phone, the side edge of the mobile phone shell frame is provided with a fabric side surface connected with the mobile phone frame; the bottom of the mobile phone shell frame is connected with a fabric end face, one connecting edge of the fabric end face and the mobile phone shell frame is provided with a mobile phone shell power supply hole side frame, and a mobile phone shell power supply hole is formed in the fabric end face; a fabric sachet is arranged on the back surface of the fabric mobile phone shell, and a Chinese herbal medicine sachet bag is arranged in the fabric sachet; and a hole edge boss for protecting the camera is arranged. A traditional fabric sachet and a modern mobile phone shell are combined together for the first time, the Chinese herbal medicine sachets are different in effect, and a healthy living environment can be created for a user. Different Chinese herbal medicine sachets are selected according to different body health conditions.

The present invention provides a portable imaging device integrating ultrasound and nuclear medicine. As a new concept fusion imaging device that simultaneously provides human anatomical information and functional / biochemical information, it can accurately localize lesions during the entire surgical process and can measure in real time. Therefore, compared with PET / CT, SPECT / CT and the like as the original fusion imaging devices, it can ensure the stability of the patient with a small radiation exposure. The device comprises: a transducer, which sends and receives ultrasound; a bonding layer, which, when arranged at the upper end of the transducer, reduces the difference in acoustic resistance between the transducer and the affected part, supports the smooth transmission of the ultrasound beam into the tissue and the high-sensitivity reception of the reflected beam; a sound absorbing member, which absorbs ultrasound on the opposite side of the affected part with the transducer as a reference; and a scintillator, which detects gamma rays as radiation; the sound absorbing member is used as a collimator of a nuclear medicine detector, and the ultrasound medical device and the nuclear medicine detector are integrated into one detector.

The present application relates to a smart elderly care robot, a robot system and a control method thereof, and belongs to the field of elderly care auxiliary equipment. The smart elderly care robot includes a robot head, a robot ear, a robot neck, a speaker, a robot body, a sensing device, a human-computer interaction display screen, a warning device, a medicine box, a main switch, a heat dissipation port, a first wheel, an axle, a second wheel, and also includes a wearable wireless physiological sensor device, such as: a bracelet, a wearable top, and shoes for the elderly; the present application also provides a smart elderly care robot system; the present application also provides a control method for a smart elderly care robot and its system. Compared with the prior art, the beneficial effects of the present application are: it can monitor the health and safety of the elderly, can move autonomously, prevent the elderly from getting lost, receive alarm information, can avoid misjudgment and false alarm, is more scientific and humane, and has good adaptability. The present application has a broad market and application prospects.