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85results about How to "Suitable for delivery" patented technology

Gradient active scaffold material for osteochondral repair and its preparation method and application

InactiveCN102274548AStrong bondPromote adhesionProsthesisNutrientBioactive substance
The invention relates to a gradient active scaffold material for osteochondral repair and its preparation method and application. The active scaffold material is mainly composed of a cartilage layer, a calcified layer and a subchondral bone layer respectively loaded with biologically active substances, wherein the calcified layer is placed Between the cartilage layer and the subchondral bone layer, between the cartilage layer and the calcified layer, and between the calcified layer and the subchondral bone layer are organically connected by a biomedical degradable polymer; the cartilage layer, the calcified layer and the subchondral bone layer It has interpenetrating pores; its preparation method is: (1) preparation of HA / Col-I composite powder; (2) construction of bioactive substance controlled release system; (3) molding preparation of gradient active scaffold material for osteochondral repair The active scaffold material is used to prepare osteochondral complex; the active scaffold material can effectively promote the adhesion, proliferation and differentiation of cells, and is suitable for the repair and reconstruction of bone and cartilage and the delivery of nutrients.
Owner:SANITARY EQUIP INST ACAD OF MILITARY MEDICAL SCI PLA

Heavy power and free overhead conveyer

The invention discloses a heavy power and free overhead conveyer which solves the technical problem that the prior device is not suitable for conveying heavy materials. The heavy power and free overhead conveyer comprises a driving device (1), a towing chain (6), a tensioning device (7), a track system (2), a dolly and a loading beam (5), wherein the track system comprises a towing track, loading tracks and a C-shaped bracket that opens downwards; an upper wing plate (10) of the towing track (9) is fixedly welded with the inner top surface of the C-shaped bracket together; a first loading track (19) and a second loading track (20) are arranged in parallel at the opening part of the C-shaped bracket which opens downwards, a right webplate of the first loading track (19) and right inner sides of an upper wing plate and a lower wing plate are fixedly welded with the right opening end of the C-shaped bracket together, a left webplate of the second loading track (20) and left inner sides of the upper wing plate and the lower wing plate are fixedly connected with the left opening end of the C-shaped bracket together, and a car body (18) is movably arranged between the two loading tracks. The invention is particularly suitable for conveying the heavy materials.
Owner:SHANXI ORIENTAL MATERIAL HANDLING

Osteochondral integrated repairing gradient hybrid support material and preparation method thereof

The invention discloses an osteochondral integrated repairing gradient hybrid support material and a preparation method thereof. The hybrid support material successively consists of a cartilage layer,a cartilage calcification layer and a calcification lower bone layer from top to bottom, wherein all layers are closely combined into a whole body by virtue of a 3D printing technology. The preparation method comprises the following steps: (1) separately preparing hybrid gel of each layer; (2) establishing an osteochondral integrated support model, and preparing a pre-gel support by virtue of a 3D printing technology; and (3) preparing the osteochondral integrated repairing gradient support by adopting a freeze drying technology. The integrated support prepared by the invention simultaneouslyhas a material gradient and a structure gradient, the cartilage layer, and the bone layer are closely connected into a whole body by virtue of the cartilage calcification layer, so that an effect forisolating the cell migration between the two layers can be realized; and by virtue of the 3D printing technology, the individualized tissue engineering support can be rapidly and precisely prepared according to the requirements of different patients, and the integrated construction of a complicated appearance and internal micro-structure of the support can be realized, and the application potential is great.
Owner:SOUTH CHINA UNIV OF TECH

Extracting method of polyphenol from lotus root

A process for extracting polyphenol from lotus root includes such steps as pulverizing lotus root, immersing in alcohol solution, heating while stirring, filtering, thermal concentrating, extracting with ethyl acetate, concentrating, drying to obtain coarse product, dissolving in acetone solution, separating and purifying. Its advantages are high quality of product, low cost and no pollution.
Owner:WUHAN UNIV

Shutoff valve with large drift diameter

The invention relates to a shutoff valve with a large drift diameter, and belongs to the application field of valves. The shutoff valve with the large drift diameter comprises a valve body, a balloon and a gas pipe, wherein the balloon is arranged inside the valve body; the balloon is connected with a gas source through the gas pipe; the valve body is formed by connecting a main valve body and a valve cover through threads; a supporting ring is arranged inside the main valve body; a baffle ring is arranged between the main valve body and the valve cover; the balloon is arranged between the supporting ring and the baffle ring; the balloon is fixed on the supporting ring through the gas pipe; an electromagnetic valve and a pressure transmitter are installed on the gas pipe; a flow meter is arranged on an outlet pipe of the valve body; the flow meter and the electromagnetic valve are connected to a control device; and the control device regulates flow by controlling opening and closing of the electromagnetic valve. The balloon is installed inside the valve body, so that the shutoff valve with the large drift diameter is simple in structure and has no requirement on one-way flowability; action of the valve is realized by inflating and deflating the balloon, so that the shutoff valve with the large drift diameter is labor-saving, easy and convenient to operate, good in regulating performance and easy to realize automatic control; the balloon can be made of different materials, so that the shutoff valve with the large drift diameter is applicable to conveying of various media.
Owner:SHINVA MEDICAL INSTR CO LTD

Pipe part for conveying a solid particulate material

A pipe part ( 100 ) for conveying a solid particulate material, comprising an outer tubular element ( 1 ) stretching along a longitudinal axis (A) and having first ( 9 ) and second ( 12 ) sections axially displaced from each other. An inner tubular element ( 20 ) is disposable inside the outer tubular element ( 1 ) and adapted for longitudinally conveying the solid particulate material from one end to another end. The inner tubular element ( 20 ) comprises an aeration-fluid-permeable wall part ( 23 ), and is sealingly connected with-and flexibly supported by-the first and second sections ( 9,12 ) to form an aeration fluid distribution chamber ( 40 ) between the first and second sections ( 9,12 ) and the inner ( 20 ) and outer ( 1 ) tubular elements. The aeration fluid distribution chamber ( 40 ) is provided with an aeration fluid inlet ( 15 ) to define an aeration fluid flow path ( 19 ) between the aeration fluid inlet ( 15 ) through the aeration-fluid-permeable wall part ( 23 ) via the aeration fluid distribution chamber ( 40 ).
Owner:AIR PROD & CHEM INC

Beneficiation method for recovering chrome lump ore

The invention discloses a beneficiation method for recovering chrome lump ore. The method comprises the following processing steps: crushing the chrome ore, and classifying three particle size grades including 20-15mm, 15-6mm and 6-2mm by narrow level screening; respectively carrying out dry-type strong magnetic separation on the three classified particle size grades obtained by screening by virtue of a permanent magnet roller type strong magnetic separator; adjusting the speed of a feeding belt of the permanent magnet roller type strong magnetic separator and the distance between the center of a barrel and a separating clapboard to obtain the best grading technical index, wherein the magnetic field intensity of the surface of the belt of the permanent magnet roller type strong magnetic separator is 0.9-1.3T. The method is simple in technological process, the high-quality Cr2O3 ore concentrate can be obtained by screening classification and narrow level screening, and the recovery rate of the Cr2O3 can be increased. The method is short in beneficiation process and is capable of obtaining the ore concentrate and removing tailings in advance; the beneficiation technology has the advantage of being lower in energy consumption compared with other technologies; the method not only can be used for screening the chrome ore, but also can be used for screening other weak magnetic iron minerals such as manganese ore, hematite, goethite, siderite and limonite.
Owner:SINOSTEEL MAANSHAN INST OF MINING RES

Deepwater mining annular pipeline lifting and conveying device

The invention discloses a deepwater mining annular pipeline lifting and conveying device. A main supporting pipe is integrally formed by fixing at least two segments of supporting pipes through connecting pieces. A buoyancy air cabin with an electric hydraulic pump station, a buoyancy air cabin and a middle boost pump are arranged in the supporting pipes and an electric power control cable is arranged in a cable groove in the outer sides of the supporting pipes. The upper end and the lower end of the main supporting pipe are connected with a mining vessel lifting device and a traction steel wire rope respectively. A lifting and conveying pipe is an annular spiral pipeline which is fixed on the supporting pipes in a surrounding mode. The upper end and the lower end of the lifting and conveying pipe are connected with an ore sand output pump and a flexible conveying pipe respectively. The lifting and conveying pipe performs lifting and conveying in a spiral mode, the gravitational effect due to mineral substance free fall in the pipeline is avoided, and therefore the lifting and conveying distance is longer. Due to the fact that the electric hydraulic pump station is arranged in the buoyancy air cabin in the supporting pipes, the underwater weight of the whole device is reduced, in addition, working power is provided for the middle boost pump and an all-direction propeller, and the deepwater mining annular pipeline lifting and conveying device is safer and more reliable in use. Deepwater is led in through the all-direction propeller and a diversion hole to generate reacting force to prevent the supporting pipes from being twisted and deformed.
Owner:裘尧云

External soil spraying machine and special two-stage energy-saving high-lift underflow pump for external soil spraying machine

The invention belongs to the technical field of spraying machinery, and particularly relates to an external soil spraying machine and a special two-stage energy-saving high-lift underflow pump for the external soil spraying machine. The underflow pump comprises a transmission shaft, a pump body, a bearing chamber and a coupling, wherein the pump body comprises a one-stage pump body, a two-stage pump body and a two-stage feed pump body; a one-stage impeller is fixedly mounted at the right end of the transmission shaft in a sleeving manner; an elbow is communicated between the one-stage pump body and the two-stage feed pump body; a guard plate is arranged between the two-stage feed pump body and the two-stage pump body; a locating sleeve is mounted on the transmission shaft between the two-stage feed pump body and the two-stage pump body in a sleeving manner; a two-stage impeller is mounted on the locating sleeve in a sleeving manner, and mounted between a radial flange at one end of the locating sleeve and the guard plate; a feed channel is formed between the guard plate and the locating sleeve; the one-stage impeller and the two-stage impeller are mounted back to back; the bending direction of a helical blade of the one-stage impeller is counterclockwise; the bending direction of a helical blade of the two-stage impeller is clockwise; a horizontal feed port is formed in the right end face of the one-stage pump body; and a discharge port is formed vertically in a tangential direction of the pump body on the front side of the two-stage pump body. The underflow pump is higher in lift, and is suitable for conveying viscous slurry; the structure of the spraying machine is simplified; the manufacturing cost and engineering use cost of the spraying machine are lowered; breakdown maintenance points of the spraying machine are decreased; and the power loss of equipment is reduced.
Owner:河南恒睿机械制造有限公司

Rubber-coating roll with composite rubber-coating layer and method for preparing same

The invention discloses a rubber-coating roll with a composite rubber-coating layer. The rubber-coating roll comprises a cylindrical rotary body made of a metallic material; the rubber composite material layer is coated on the rotary body; and the rubber composite material layer is made of a composite material formed by embedding wear resistant alloy blocks in rubber. The rubber-coating roll has the advantages of high toughness and plasticity and impact resistance of rubber materials and high hardness and wear resistance of wearing resistant alloy; and the rubber-coating roll can be used under working conditions of bearing a bigger impact load, and overcomes the defect that the impact resistance of the wearing resistant alloy materials is low.
Owner:SHANDONG UNIV

Advertisement delivery method for expressway tunnel

The invention discloses an advertisement delivery method for an expressway tunnel, which is characterized by comprises the following steps: setting one or more machine positions to mount projection equipment at appropriate positions according to the effect needed by advertisements in the expressway tunnel; and taking the wall of the tunnel and the road surface of the tunnel as projection screens to deliver one or more dynamic or static advertisement pictures. The method has the advantages that the method develops the internal space of the expressway tunnel to deliver advertisement information, and obtains direct economic benefit when the similar effect of special lamplight zones is obtained.
Owner:朱展辉

Cold-storage agent

Disclosed is a cold-storage agent that comprises halite, water, and 2-4 wt% of a dry crosslinked cellulose gel obtained by radiating an electron beam at a cellulose mixture paste obtained by mixing water and 15-25 wt% cellulose in a vacuum.
Owner:高木千代美 +2

Cold and fresh noodles and processing method thereof

The invention discloses cold and fresh noodles and a processing method thereof. A supplementary flour layer or a supplementary flour penetration layer with a certain thickness is stuck to noodle surfaces, and supplementary flour is formed by mixing a certain proportion of dry starch and corn flour. The processing method comprises the following steps: 1, mixing and fully stirring a certain proportion of flour and solvent to be uniform; 2, moistening the mixture of the flour and the solvent which are uniformly stirred; 3, pouring the mixture of the flour and the solvent which are moistened to a dough hopper of a noodle machine; 4, adding a certain amount of supplementary flour to each supplementary flour hopper of the noodle machine; 5, starting the noodle machine; 6, adding a certain amount of supplementary flour to each dough cake between every two pairs of dough cake rolling pair rollers; 7, measuring the noodles processed and molded; 8, manually shaping and packing; and 9, rapidly freezing. The cold and fresh noodles have various tastes, different nutrition and slippery taste, are refined and chewy, do not need thawing when being boiled so as to be convenient to eat, thereby having mass production and convenient transportation and being suitable for popularization in various restaurants and supermarkets.
Owner:尹瑞民

Conveying and detecting device

Disclosed is a conveying and detecting device. The conveying and detecting device comprises a power machine frame assembly. A main rotating tower is arranged in the middle of the power machine frame assembly in a rotating mode. A vertical feeding assembly is arranged on one side of the power machine frame assembly and matched with a threaded rod assembly, the threaded rod assembly is matched with a bottle inlet star wheel assembly, and the bottle inlet star wheel assembly is matched with the main rotating tower. A platform assembly is arranged on the top of the power machine frame assembly, and the bottle inlet star wheel assembly, a bottom crack removal star wheel assembly, a bottle outlet star wheel assembly, a foreign matter and liquid level disqualification removal star wheel assembly, an unqualified bottle body and cap removal star wheel assembly and a second bottle outlet star wheel assembly are all arranged on the platform assembly. The conveying and detecting device has a shooting detection function, can remove bottles with cracks and foreign matter, is good in removal effect, ideal in detection effect and reliable to convey and can conveniently feed, and is quite suitable for conveying and detecting bottled products.
Owner:GUANGZHOU PHARMA INTELLIGENT EQUIP CO LTD

Bismuth-doped metal sulfide nanoflower and preparation method thereof

The invention relates to a bismuth-doped metal sulfide nanoflower and a preparation method thereof. The preparation method comprises the steps that a solution system containing both intermediate particles and ammonium thiomolybdic tetrahydrate is subjected to a solvothermal reaction to obtain the bismuth-doped metal sulfide nanoflower; the intermediate particles are generated by mixing an A solution and a B solution, wherein the A solution is mainly composed of BiCl3, MnCl2 4H2O and deionized water, and the B solution is mainly composed of K4[Fe(CN)6] 3H2O, citric acid and deionized water; thefinally prepared bismuth-doped metal sulfide nanoflower is of a nanoflower structure formed by winding and twisting nanosheets, wherein the nanosheets are doping type metal sulfide nanosheets obtained through mutual substitution and mosaicism of elemental bismuth, bismuth sulfide, manganese sulfide, ferrous sulfide and molybdenum sulfide on a two-dimensional structure. The preparation method is simple, the prepared nanoflower can achieve the effect that a single structure has multiple functions, and the photothermal conversion efficiency is higher.
Owner:SHANGHAI UNIV OF ENG SCI

Liposome structure for achieving skin cleaning and anti-aging, composition and preparation method

The invention relates to the technical field of cosmetics, in particular to a liposome structure for achieving skin cleaning and anti-aging, a composition and a preparation method. The composition iscomposed of liposome A and liposome B which are of different structures according to the weight ratio of 1:1; the liposome A is of a multi-layer liposome structure and is formed in the mode that a wall material wraps a skin cleaning composition, and the component of the wall material of the liposome A is lecithin and soybean phospholipid; the liposome B is of a single-layer liposome structure andis formed in the mode that a wall material wraps a skin anti-aging composition, and the component of the wall material of the liposome B is sphingomyelin, cholesterol, fatty acid, phosphatidylcholineand cholesterol sulfate. According to the liposome structure, the liposome A and liposome B which are different in particle diameter, size and structure are adopted for wrapping the skin cleaning composition and the skin anti-aging composition respectively and applied to the skin surface and the skin deep layer respectively, and through mutual cooperation and promotion of various active substances, the obvious effects of skin cleaning and anti-aging can be achieved.
Owner:润芳可(上海)生物科技有限公司

Magnetic drive screw vacuum pump

The invention relates to a vacuum pump in the field of vacuum, and in particular relates to a magnetic drive screw vacuum pump. The vacuum pump comprises a cavity, a driving rotor, a driven rotor, a transmission gear set, an inner magnetic rotor, and outer magnetic rotor, an isolation sleeve and a motor, wherein the driving rotor and the driven rotor are both accommodated in the cavity; a driving rotor shaft and a driven rotor shaft are connected through the transmission gear set; the inner magnetic rotor is arranged on the driving rotor shaft; the motor is mounted on the cavity, and the output end of the motor is provided with the outer magnetic rotor sleeved at the periphery of the inner magnetic rotor; the isolation sleeve for isolating the inside from the outside of the cavity is arranged between the inner magnetic rotor and the outer magnetic rotor; and the inner magnetic rotor and the outer magnetic rotor are respectively provided with a plurality of magnets corresponding to one other. According to the invention, the isolation sleeve is used to completely isolate media from the outside, so that the vacuum pump is more suitable for petroleum and chemical industries involving in transportation of toxic and harmful media and the like. The inner and outer magnetic rotors transfer torque through the magnetic action of the magnets, and the motor and the rotors can rotate asynchronously in the case of overload, so that the motor is protected.
Owner:SHENYANG SCI INSTR RES CENT CHINESE ACAD OF SCI

Material transfer device and method

The invention provides a material transfer device, and further provides a corresponding material transfer method. The material transfer device comprises a transfer track with parallel first and secondwalls, a conveyor belt, a first material waiting mechanism and a second material waiting mechanism. A first gap is formed between the conveyor belt and the first wall, a second gap is formed betweenthe conveyor belt and the second wall, and the conveyor belt is provided with a bearing face which can bear materials. The first material waiting mechanism is provided with a first supporting part which can move in the direction perpendicular to the bearing face and penetrates through the first gap, the second material waiting mechanism is provided with a second supporting part which can move in the direction perpendicular to the bearing face and penetrates through the second gap. The material transfer device can reduce the material siltation caused by the feeding and discharging process, thereby improving the material transfer efficiency; the intelligence degree is high, and the materials can be identified and correspondingly processed; the order of the materials can be exchanged; and theorientation of the materials can be changed.
Owner:NINGBO SUNNY OPOTECH CO LTD

Screw vacuum pump adopting dry gas seal

The invention relates to a vacuum pump in the vacuum field, in particular to a screw vacuum pump adopting a dry gas seal. The vacuum pump comprises a cavity body, a driving rotor shaft, a driven rotor shaft, a driving rotor, a driven rotor, a transmission unit, a middle frame, the dry gas seal, a labyrinth type seal and a motor, wherein one side of the cavity body is connected with the middle frame; both the driving rotor shaft and the driven rotor shaft are arranged in the cavity body; the driving rotor and the driven rotor are arranged on the driving rotor shaft and the driven rotor shaft respectively; one end of the driving rotor shaft penetrates through the cavity body, the middle frame and the motor successively; one end of the driven rotor shaft penetrates through the middle frame to be connected with the driving rotor shaft through the transmission unit; and the driving rotor shaft and the driven rotor shaft are sleeved with the dry gas seal and the labyrinth type seal in the middle frame successively. According to the dry gas seal screw vacuum pump, a pump cavity is completely isolated from the outside through a combination mode of the dry gas seal and the labyrinth type seal, so that a medium is sealed in the pump cavity completely, and the vacuum pump is applicable to working conditions of poisonous and harmful media of petroleum and chemicals.
Owner:SHENYANG SCI INSTR RES CENT CHINESE ACAD OF SCI

Glass fiber reinforced polyolefin tube and preparation method and application thereof

The invention discloses a glass fiber reinforced polyolefin tube and a preparation method and application thereof. The glass fiber reinforced polyolefin tube is sequentially provided with a glass fiber modified polyolefin layer, a continuous glass fiber wound reinforcing layer and a polyolefin layer from inside to outside. An outer hot melt adhesive layer and an inner hot melt adhesive layer can be added at two sides of the continuous glass fiber wound reinforcing layer of the glass fiber reinforced polyolefin tube. Through the continuous glass fiber wound reinforcing layer, the using pressure of the glass fiber reinforced polyolefin tube can be greatly improved; and the glass fiber reinforced polyolefin tube is particularly suitable for delivering media such as corrosive and high-pressure industrial water or solvent and the like.
Owner:GUANGDONG LIANSU TECH INDAL

Thermal contracting directional memory polyvinyl chloride pipe and manufacture thereof

InactiveCN1614279AEasy to operateDoes not destroy performanceRigid pipesPolyvinyl chlorideEngineering
A polyvinyl chloride pipe with radial and / or longitudinal thermal directional shrinking memory function is prepared from polyvinyl chloride through shaping pipe, blocking both ends, arranging it in a limiter, filling high-pressure air in while heating it for expansion, cooling and releasing pressure.
Owner:徐益鑫

Manufacturing method of fried peanuts

The invention discloses a manufacturing method of fried peanuts. The manufacturing method is characterized by comprising the following steps of: by taking peanuts as raw materials and taking flour, salt and monosodium glutamate as auxiliary materials, firstly, utilizing water of 90 DEG C to immerse the peanuts for 2 minutes and fishing up; sequentially utilizing the flour, the salt and the monosodium glutamate to agitate and mix the immersed peanuts; putting the mixed peanuts into a frying pan of 70 DEG C and frying for 9-12 minutes; fishing up the peanuts; cooling for 5-15 minutes; and finally, packaging. The fried peanuts disclosed by the invention are crispy in mouth feel and are suitable for a snack food; and meanwhile, the fried peanuts are also suitable for being added into various hotels and supermarkets.
Owner:CHAOHU TIANHUA GARDEN

Antisludging test kettle

The invention discloses an antisludging test kettle and belongs to the technical field of chemical equipment. The kettle comprises an inverse T-type tee joint main body, an end cap flange, a temperature control device and a pressure control device. The end cap flange is arranged on three openings of the tee joint main body; the pressure control device is arranged on a third end cap flange on the top; and the temperature control device is arranged on a second end cap flange on one side thereof. The kettle of the invention has the advantages that the shell materials are PPR which is energy-saving, corrosion resisting, scaling-free, clean, non-toxic, fit for transporting drinking water, heat-resisting, pressure-resisting, and has long service life, light weight and small hydraulic resistance. By using the tee joint as the test main body, the three openings form different working surfaces so the temperature, pressure and overhaul working surfaces are separated mutually and the control and the maintenance are convenient.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Running track device for the movable support of at least one first roller carriage and at least one second roller carriage

The invention relates to a running track device (10) for the movable support of at least one first roller carriage (120) and at least one second roller carriage (130). The running track device includes a first running track profile (20) with a first roller running track (22) for the movable support of the first roller carriage (120). The running track device further includes an attaching portion (24) for the attachment to a wall above a door opening. A second running track profile (30) is included having a second roller running track (32) for the movable support of the second roller carriage (130) and a mounting portion (34) for the attachment of the second running track profile (30) to a counter-mounting portion (26) of the first running track profile (20).
Owner:DORMAKABA DEUT GMBH

A liposome structure, composition and preparation method for realizing skin cleansing and anti-aging

ActiveCN108498346BIncrease elasticityPurify the skin surfaceCosmetic preparationsToilet preparationsCholesteryl sulfateSoybean Phospholipids
The present invention relates to the technical field of cosmetics, in particular to a liposome structure, composition and preparation method for skin cleaning and anti-aging, which consists of two liposomes A and B with different structures in a weight ratio of 1:1; Wherein, the liposome A is a multilayer liposome structure, which is formed by wrapping the skin cleansing composition with a wall material, and the composition of the liposome A wall material is lecithin and soybean lecithin; the liposome B is a single-layer liposome The lipid vesicle structure is formed by wrapping the skin anti-aging composition with the wall material, and the components of the liposome B wall material are sphingomyelin, cholesterol, fatty acid, phosphatidylcholine and cholesterol sulfate. The present invention adopts liposome A and microliposome B with two different particle sizes and structures to wrap the skin cleansing composition and the skin anti-aging composition respectively, and acts on the skin surface and deep layer of the skin respectively. The mutual synergy and mutual promotion can achieve significant skin cleansing and anti-aging effects.
Owner:润芳可(上海)生物科技有限公司
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