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82results about How to "Uniform absorption" patented technology

Foam carrier containing amphiphilic copolymeric gelling agent

The invention relates to an alcohol-free cosmetic or pharmaceutical foam carrier including water, a hydrophobic solvent, a surface-active agent and a gelling agent. The cosmetic or pharmaceutical foam carrier does not contain aliphatic alcohols, making it non-irritating and non-drying. The alcohol-free foam carrier is suitable for inclusion of both water-soluble and oil soluble pharmaceutical and cosmetic agents.
Owner:FOAMIX PHARMACEUTICALS LIMITED

Sauced split duck leisure food and production method thereof

InactiveCN102224941AImprove bindingImprove product flexibilityFood preparationFood flavorFlavoring Agents
The invention discloses a production method for a sauced split duck leisure food. The method is characterized in that: the split duck and accessories thereof are adopted as raw materials; a production process of the method comprises defrosting, adjusting, rolling and kneading, sousing, bittern, baking, cutting, mixing, vacuum packaging, sterilizing, rinsing and drying. The raw materials for the sousing comprise, by weight, 100 parts of the split duck raw material, 0.80-1.20 parts of a salt substance, 0.005-0.50 parts of a flavor enhancer, 0.05-0.15 parts of a sweeting agent, 0.10-0.30 parts of a deodorization agent, 0.008-0.035 parts of a pigment, 0.005-0.06 parts of a preservative, 0.04-0.10 parts of a flavoring agent. The raw materials for the bittern comprise, by weight, 100 parts of the soused split duck, 0.20-0.40 parts of the flavor enhancer, 0.05-0.20 parts of a flavoring agent, 0.01-0.04 parts of a toner and 0.8-1.2 parts of a perfume. The products prepared by the method have delicious and rich fragrance, moderate salt taste, mellow flavor, a unique flavor of the sauced products.
Owner:CHENGDU FENGFENG FOOD CO LTD

Variable-gradient fractal lattice sandwiched reinforcement phase change heat sink

The invention discloses a variable-gradient fractal lattice sandwiched reinforcement phase change heat sink and aims to provide an efficient phase change heat sink which is high in heat exchange efficiency, has certain universality and can be developed in a serialization mode. The variable-gradient fractal lattice sandwiched reinforcement phase change heat sink is realized according to the following technical scheme: reinforcement heat transfer structures are distributed in a phase change heat sink shell in an array; each variable-gradient fractal lattice sandwiched unit takes a variable-gradient V structure as a first-stage reinforcement heat transfer structure (4) according to the heat transfer and heat exchange characteristics of the phase change heat sink; on this basis, at variable-gradient V-shaped ends of the first-stage reinforcement heat transfer structures, the variable-gradient V structures in the same shape are gradually increased to form multiple stages of reinforcement heat transfer structures, and the specific surface areas of the multiple stages of reinforcement heat transfer structures are multiplied in sequence; the first-stage reinforcement heat transfer structures can transfer heat to an area far away from a heat radiation bottom plate rapidly in a reinforcement mode, and the second-stage reinforcement heat transfer structures (5) and the third-stage reinforcement heat transfer structures can transfer heat to phase change material far away from the heat radiation bottom plate rapidly to complete heat exchange.
Owner:10TH RES INST OF CETC

Method for producing liquid-fumigated duck tongue snack food

The invention relates to the technical field of meat product deep-processing, and in particular relates to a method for producing a liquid-fumigated duck tongue snack food. The method comprises the following steps of: defreezing duck tongues, pre-treating the refrozen duck tongues, performing kneading pickling and static pickling, paving, baking, cooling, performing vacuum package and performing multi-stage heating and sterilizing. The method has the characteristics that a liquid fumigating agent and a pickling seasoning liquid are mixed for pickling the duck tongues; and then the combined control is realized by using a baking technology and a multi-stage heating and sterilizing process, so that the liquid-fumigated duck tongue snack food is high in chewing property and high in duck tongue yield. Compared with the prior art, for method disclosed by the invention, the produced liquid-fumigated duck tongue snack food has the advantages that the nutrient component is low in loss, pickling materials are uniformly penetrated, a unique fumigating flavor is realized, the food shelf life is long and the like.
Owner:TENGQIAO POULTRY

Method for smearing wood wax oil on surface of wood product

The invention relates to a method for smearing wood wax oil on the surface of a wood product, which comprises the following steps: 1, smoothening; 2, smearing the wood wax oil; 3, kneading a wax oil coating on the surface; 4, wiping floating oil; 5, drying; 6, repeating the steps 2-5 for one or two times; 7, polishing till the hand feeling is smooth; and 8, spraying polishing wax, polishing and entering a next assembly process. By using the method, the crack of the wood product can be effectively prevented, and the service life is prolonged; the operation is simple, and materials, labors and oil are saved; the wood wax oil is a green and environmentally-friendly coating and a low-carbon environmentally-friendly product; and by using the method, the wide application of the wood wax oil can be promoted, and an important significance on environment friendliness is realized.
Owner:张克广

Portable nursing pad containing polylactic acid fiber and preparation method thereof

The invention discloses a portable nursing pad containing a polylactic acid fiber and a preparation method thereof. A conventional nursing pad has a relatively long processing flow, and the long production process wastes a lot of manpower, material resources and financial resources. The nursing pad is composed of an upper-layer assembly body and an impermeable bottom layer, wherein the upper-layer assembly body is composed of a surface layer composed of a polylactic acid fiber net, a flow-guiding moisture-absorption layer composed of a water-repellency bicomponent fiber and a superabsorbent fiber net, and an absorption layer composed of a hydrophilic bicomponent fiber and a superabsorbent fiber net, and the three layers are subjected to hot melt compounding to form a whole; the upper layer and the impermeable bottom layer are subjected to hot melt adhesive compounding to form a whole. The prepared nursing pad has the characteristics of short process flow, good molding, bacteriostasis, deodorness, gas permeation and dryness, does not produce lumps and allows powder not to fall off in a use process, and is an ideal material for preparing disposable medical treatment health supplies.
Owner:HANGZHOU COCO HEALTHCARE PRODS

Nylon powder material for selective laser sintering and preparation method of nylon power material

The invention provides a nylon powder material for selective laser sintering and a preparation method of the nylon power material. The nylon powder material is prepared from, by weight, 50-80 parts of nylon powder, 1-20 parts of resin coloring agents, 0.05-2 parts of dispersing agents, 0.1-1.5 part of surface modification agents, 0.5-2 parts of antioxidants and 0.1-1.5 parts of light stabilizers. The nylon powder material for selective laser sintering is colored. The colored nylon powder material can directly form 3D printed products uniform in luster and different in color through the SLS technology under the condition that the printed products do not need to be post-processed, and different requirements of clients in various fields for product colors can be met.
Owner:SHENZHEN SUNSHINE LASER & ELECTRONICS TECH CO LTD

Air-flowing type tobacco shred perfuming device

ActiveCN103202530ASprays and absorbs evenlyAvoid damageTobacco preparationAir doorElectromagnetic valve
The invention discloses an air-flowing type tobacco shred perfuming device. The air-flowing type tobacco shred perfuming device comprises a perfume tank (1), a material liquid electromagnetic valve (2), a filter (3), a pump (4), a nozzle (6), an air compression device (7), a charging air lock (9), a process air pipeline (10), a cyclone blanker (11), a circulating fan (12), an exhaust air door (13) and a discharging air lock (15), wherein the perfume tank is connected with a nozzle pipeline through the material liquid electromagnetic valve, the filter and the pump; the air compression device is connected with the nozzle pipeline; the nozzle and the charging air lock are fixedly arranged on the process air pipeline; the exhaust air door is arranged on the process air pipeline; one end of the process air pipeline is connected with the circulating fan, and the other end of the process air pipeline is connected with the cyclone blanker; the cyclone blanker is connected with the circulating fan; and the discharging air lock is arranged at the lower end of the cyclone blanker. The air-flowing type tobacco shred perfuming device has the advantages that tobacco shreds are uniformly perfumed; the breaking rate of the tobacco shreds is reduced; and the quality of cigarette is improved.
Owner:CHINA TOBACCO JIANGSU INDAL

Passion fruit planting method

The invention provides a passion fruit planting method. The method comprises the steps of field planting, erecting canopy frames, clipping, reasonably fertilizing, and managing soil. By the adoption of the technical scheme, fertilizer is saved, operation is convenient, fruits can be borne in the first year, the output in the second year can be increased by two or three times, and fruits can be consecutively harvested for five years after first year planting. The passion fruit planting method has high popularization value.
Owner:高深

Preparation technology for set yogurt with high stability

The present invention relates to a preparation technology for set yogurt with high stability, and belongs to the field of dairy processing. The preparation technology for set yogurt with high stability comprises the following steps: adding 0.01-0.05 wt.% of casein protein powder into standardized and detected raw milk; homogenizing; pasteurizing; inoculating: adding 0.01-0.05 wt.% of beta-lactoglobulin into the pasteurized milk, inoculating lactic acid bacteria, and uniformly mixing the inoculated milk; and conducting fermentation. According to the preparation technology for set yogurt, the prepared set yogurt has good stability, does not contain any stabilizers, has thick and delicate mouth feel and pleasant aroma.
Owner:HANGZHOU NEW HOPE BIMODAL DAIRY CO LTD +1

Processing method for conditioning duck breast meat

The invention relates to a processing method for conditioning duck breast meat. The method comprises raw material screening, rolling, pickling, injecting, marinating, packaging, and carrying out high-temperature sterilization and a quick-freezing process; the method comprises the following steps: pickling the duck breast meat in a vacuum condition for 1.5-3 hours during the pickling, wherein pickling materials include salt, light soy sauce, compound phosphate, white sugar, white pepper powder, five spices powder, onion powder and the like; injecting ginger juice water into the duck breast meat during the injecting; finally adding a seasoning packet and a traditional Chinese medicine packet during the marinating, and marinating for 1-1.5 hours under the temperature condition of 90-95 DEG C. The duck breast meat prepared by adopting the processing method is mellow in fragrance, fresh and tender in meat quality, unique in flavor and convenient to eat, can be sufficiently permeated in flavor and has the relatively good mouthfeel; a product is safe to eat without containing any preservative agents and has the relatively good nutrition value and health-care effect as multiple medicinal and edible components are added.
Owner:河南旭瑞食品有限公司

Ecological three-dimensional greening wall

The invention relates to an ecological three-dimensional greening wall. The ecological three-dimensional greening wall comprises a wall body, a water storage tank, a pressurizing pump and a PLC (programmable logic controller), wherein a plurality of fixing grooves are formed in the wall body; a greening device is arranged in each fixing groove, and comprises a base, a fish culture tank and a plant cultivation tank; each fish culture tank comprises an upper tank body and a lower tank body which are mutually communicated; a cover plate is arranged on each upper tank body, the width L1 of each upper tank body is equal to the width L2 of the corresponding lower tank body, and the length L3 of each upper tank body is smaller than the length L4 of the corresponding lower tank body; each whole fish culture tank is of a convex structure; two plant culture tanks are fixedly arranged on each lower tank body and are respectively positioned at two sides of the corresponding upper tank body, and the plant culture tanks are communicated with the fish culture tanks through a plurality of water through holes. The ecological three-dimensional greening wall has the advantages that the fish culture tanks are filled with water, and ornament fishes are cultured in the water; the plant culture tanks are filled with soil, and green plants are planted in the soil; the structure is novel, the planning is reasonable, the cultivation of the green plants is combined with the culture of the ornament fishes, and the utilization rate is improved.
Owner:FLOWER KING ECO ENG CO LTD

Water-absorbent resin composition

A water-absorbent resin composition excelling in an absorption capacity under pressure, a first transition of initial absorption, and the small amount of rewet is provided. It comprises a water-absorbent resin obtained by aqueous solution polymerization and by reversed-phase suspension or reversed-phase emulsion polymerization and shows a CSF of not less than 20 g / g or an AAP of not less than 20 g / g or an SFC of not less than 10 (unit: 10−7×cm3×s×g−1). The gaps among resin particles owing to the difference in shape form optimum gap widths for the sake of capillarity. The resin composition consequently formed, therefore, manifests such excellent properties without the influences of a surfactant or an emulsifier.
Owner:NIPPON SHOKUBAI CO LTD

Lozenge flavoring agent and preparation method thereof

ActiveCN107875393AMeet entertainmentMeeting health needsConfectioneryInorganic non-active ingredientsMentholOrganic acid
The invention provides a lozenge flavoring agent and a preparation method thereof. The lozenge flavoring agent is prepared from the following raw materials in percentage by weight: 70-95% of an excipient, 0.1-10% of polyethylene glycol, 0.5-5% of carbonate, 0.5-5% of organic acid, 0.1-5% of a sweetening agent, 0.1-3% of essence and 0.05-1% of menthol, wherein the sum of the weight percentage of the various raw materials is 100%. The preparation method of the lozenge flavoring agent is simple and feasible and favorable for industrialized production. The lozenge flavoring agent provided by the invention particularly can be used for main drug components selected from raw materials with possible special taste or mouth feel so as to improve or shield special taste of main drugs in the lozenge,and particularly has an excellent flavoring effect on traditional Chinese medicine lozenges of which the main drug components are selected from raw materials of health foods with homology of medicineand food and new resource foods. Pleasure in the oral taking process is improved, and the uniform uptake and absorption of users on the main drug components can be promoted.
Owner:深圳市傲来大健康产业有限公司

Display panel and display device

The present invention relates to a display panel and a display device. Provided is a display panel, comprising an array substrate, and a light emitting structure arranged on the array substrate, the light emitting structure comprising a first electrode, an organic light emitting layer and a second electrode stacked on the array substrate. The organic light emitting layer includes pixels, and a pixel defining layer disposed between adjacent pixels. The light emitting structure further includes a plurality of first support columns and a plurality of second support columns, the first support columns disposed between the pixel defining layer and the second electrode. A second support column is disposed on a side of the second electrode remote from the pixel defining layer. The projections of the first support column and the second support column with respect to the array substrate do not overlap and are both located above the pixel defining layer. As that display panel comprises a plurality of first support columns and a plurality of second support columns, when the display panel is impacted, stress can be more evenly absorbed and release, the risk of component damage can be reduced, and the purpose of improving the impact resistance and the display failure can be achieved.
Owner:YUNGU GUAN TECH CO LTD

Indoor vegetable cultivation apparatus with comprehensive functionality

The invention discloses an indoor vegetable cultivation apparatus with comprehensive functionality, comprising a water tank and a cover plate that covers the water tank; the top center of the cover plate is provided with a center shaft post that is fitted with a light; four cultivation devices are arranged on the cover plate around the center shaft post; each cultivation device includes a shaft lever that is rotatable and a plurality of cultivation trays rested on the shaft lever from top to bottom; the cover plate is also provided with a gear transmission device to drive the four shaft leversto rotate; a water pump is arranged in the water tank and is connected with a plurality of spraying fins through a water pipe; each spray fin is positioned above one cultivation tray, the cover plateis provided with a heat insulation cover that covers the cultivation devices, the sidewall of the center shaft post is provided with a heating lamp. The indoor vegetable cultivation apparatus with comprehensive functionality is suitable for indoor vegetable cultivation, has high space utilization rate and comprehensive functionality, can meet the demands of vegetables for lighting and spraying, and can provide a greenhouse environment to ensure growth of vegetables.
Owner:DAWU HONGYUAN AGRI TECH CO LTD

Microtubule containing radionuclide as well as manufacturing method and application of microtubule

The invention relates to the field of medical medicine implant, discloses an implantable microtubule used for local treatment and in particular relates to a microtubule containing radionuclide for treating cancers as well as a manufacturing method and an application of the microtubule. The microtubule containing the radionuclide is characterized in that the microtubule is filled with a filler mixed by the radionuclide and a carrier. The invention also relates to a microtubule containing the radionuclide and / or a medicament. The microtubule containing the radionuclide and / or the medicament is characterized in that after uniformly mixing the radionuclide and / or the medicament and the carrier, the mixture is filled in the microtubule to obtain a final microtubule. The microtubule is capable of controlling the radioactivity and the absorbed dose by controlling the composition of the filler and the specification of the microtubule and enabling the radiation dose to be uniform according the traditional implanting and imaging technology, and in addition, also controlling sustained release speed of the radionuclide and / or the medicament according to the length, the diameter, the filler, sealing or not, opening or not and degradation of the microtubule.
Owner:CHENGDU WEINING BIOLOGICAL TECH +1

Production method for pickled radish and duck soup leisure food

ActiveCN102919873APlay a role in nutritional complementarityIncrease appetiteFood preparationMonosodium glutamateFrozen storage
The invention discloses a production method for pickled radish and duck soup. The production method is characterized by using a fresh or frozen storage duck as a material; the production process comprises the following steps of: unfreezing, finishing, tumbling, pickling, blanching, dosing, packaging, sterilizing and cooling. The pickling materials comprise the following components: 100 parts of duck material, 2-5 parts of fermented glutinous rice, 0-4 parts of cooking wine and 0-3 parts of distilled spirit; the seasoning source comprises the following components: 50-150 parts of water, 20-50 parts of pickled radish, 0.05-1.0 part of salt, 3-10 parts of pickled ginger, 1-5 parts of onion, 0.1-1 part of medlar, 0.01-0.1 part of paprika powder, 0.01-0.05 part of myrcia, 0.01-0.03 part of cardamom powder, 0.01-0.03 part of tri-napthalene powder, 1-3 parts of starch, 0.2-0.5 part of monosodium glutamate, 0-0.1 part of citric acid nad 0-0.5 part of lactic acid. The product produced by the method is the pickled radish and duck soup leisure food, which not only has the sour of the pickled radish, but also has the nutrition of the delicious duck meat. The food can be transported, stored and sold at normal temperature.
Owner:SICHUAN UNIV

Cement-based neutron shielding material and preparation method thereof

ActiveCN110415851AImprove lack of strengthImprove late strength retractionSolid waste managementShieldingMechanical properties of carbon nanotubesAcid water
The invention discloses a cement-based neutron shielding material. The cement-based neutron shielding material comprises a base material and a functional aggregate, and a weight ratio of the base material to the functional aggregate is 1:(0.45-0.55); the base material comprises, by weight, 100 parts of composite cement, 5-15 parts of a polymer, 0.8 part of a polycarboxylic acid water reducer, and3 wt% of a carbon fiber; and the functional aggregate comprises, by weight, 46-58 parts of graded graphite particles and 13.6-14.3 parts of a shielding absorption powder. The cement-based neutron shielding material improves the neutron shielding performance, mechanical properties and compatibility of conventional cement-based neutron shielding materials. The invention also discloses a preparationmethod of the cement-based neutron shielding material.
Owner:HUBEI UNIV

Device for metallurgically adding alloy

The invention discloses a device for metallurgically adding an alloy. A ladle cover of a conventional alloy liquid container is provided with a guide support; a guide frame is arranged in the guide support; a belt motor reducing gear and counter weight iron are arranged in the guide frame; a steel wire rope is sheathed onto guide wheel assemblies at the top part of the guide support; one end of the steel wire rope is connected with the guide frame; the other end of the steel wire rope is connected with an elevator arranged at one side of the guide support; one end of a material frame rod is fixedly connected with a material frame; and the other end of the material frame rod passes through a hole on the ladle cover and is mutually connected with the output shaft of the belt motor reducing gear through a shaft sleeve. The device for metallurgically adding the alloy has the advantages as follows: the alloy needs to be added is directly pressed into alloy liquid, is directly melted in thealloy liquid and cannot be contacted with the air, and thus, oxidation or burning loss cannot occur; the contact speed and the reaction speed of the alloy needs to be added and the alloy liquid can be controlled, thereby, the absorption evenness and the and the component evenness of the alloy in molten steel are enhanced. The addition process is simplified, the labor strength is reduced, and the application range is wide.
Owner:LONGNAN LONGYI HEAVY RARE EARTH TECH CO LTD

Protective element and circuit protection device thereof

The invention provides a protective element and a circuit protection device thereof. The protective element comprises a first planar substrate, a second planar substrate, a heating element and a fusible element. The second planar substrate is attached to the lower surface of the first planar substrate to form a composite structure. The heating element comprises an insulating plate and a heating layer formed on the surface of the insulating plate. The heating element is arranged on the first planar substrate. The insulating plate is arranged between the first planar substrate and the heating layer. The fusible element is arranged above the heating element. When overvoltage or over-temperature occurs, the heating element emits heat to melt the fusible element.
Owner:POLYTRONICS TECH

Preparation method of bacteriostatic household paper

The invention relates to a preparation method of bacteriostatic household paper. The preparation method sequentially comprises the following steps: obtaining a paper sample, sterilizing the paper sample, soaking the paper sample in a benzalkonium bromide solution, disinfecting, obtaining a culture medium, clinging the paper sample to the culture medium, and culturing. The method has the advantages that in the step 3, the paper sample is soaked with the benzalkonium bromide solution to transfer the benzalkonium bromide solution, so that the solution can completely soak the paper sample, and the absorption and distribution of the benzalkonium bromide solution on the paper sample are more uniform; and in the step 7, the paper sample is cultured at 37 DEG C, a good growth environment is provided for bacteria at the temperature of 37 DEG C, and the antibacterial effect of the paper sample can be obviously distinguished after culture is finished, so that the preparation method is easy to operate, expensive equipment and instruments do not need to be additionally added, the bacteriostatic agent only needs to be loaded and sprayed to the surface of paper by means of a coating or sizing device of a paper machine, and the antibacterial effect is good.
Owner:ZHEJIANG JINGXING PAPER

Preparation method of low-salt bone-removed instant ham using Landrace pig leg as raw material

The present invention discloses a preparation method of a low-salt bone-removed instant ham using a Landrace pig leg as a raw material. The preparation method is characterized by comprising the following steps: bone-removed shaped raw material meat and a pickling agent are put into a rolling and rubbing machine for conducting vacuum rolling, rubbing and pickling; the raw material meat is taken outfrom polyethylene bags, transglutaminase and collagenase are added, and vacuum rolling, rubbing and tenderizing are conducted; the rolled and rubbed raw material meat is subjected to vacuum packagingby using polysulfone film bags for film sleeving pickling and dehydrating; the raw material meat is taken out from the polysulfone film bags, then the raw material meat is packaged under vacuum by using polyethylene bags for still sealed re-softening and enzymatic hydrolysis promoting; the raw material meat is taken out, then the raw material meat is packaged under vacuum by using polysulfone film bags for film-sleeving air-drying and dehydrating; and finally, aging is conducted until the weight loss of the raw material meat reaches 40%, so that a finished product is obtained. Advantages areas follows: the low-salt bone-removed instant ham is short in production cycle, low in salt, high in moisture content, excellent in mouthfeel and taste and high in safety.
Owner:NINGBO UNIV

Preparation method of flower fertilizer

The invention discloses a preparation method of flower fertilizer. Water, a boron source, zinc gluconate, xylitol, wax gourd stems, polyglutamic acid, matsutake residues, furfural residues, lac powder, buckwheat hull, palm leaves, wood vinegar, wild chrysanthemum stalk, horse manure and rabbit dung are weighed; the adverse resistance of crops is increased by 65%-85%, pollen germination and growth of pollen tubes are affected, development of propagative organs of plants is promoted, the problems that plants only blossom, but do not bear fruits are solved, an irreplaceable role is played in blossoming and fruit retention, 75%-95% of water is saved, nutrients are balanced, nutrition is reserved for growth of the plants in the next year, the number of beneficial microorganisms in the soil is increased by 60%-70%, metabolism, growth and development of the plants are influenced, protein is supplemented, chlorophyll is synthesized, apple bitter pit, pit spot and water core are prevented, fruit cracking of bagged fruits, black heart of pears and the like are reduced, the fruit quality is improved, and the storage period is prolonged.
Owner:AMB NANJING BIOTECH CO LTD

Plant cultivation device based on nonwoven cloth cultivation technology

The invention discloses a plant cultivation device based on a nonwoven cloth cultivation technology, which is simple in structure, convenient to construct and higher in nutrient soil utilization rate. The plant cultivation device comprises a supporting body, a watering pipe, supporting pieces, water distribution pieces, a base body, tightening pieces and locating pieces, wherein the supporting body adopts a tray with an accommodating part, a long-strip bracket with a groove or a filter net capable of being bent to form a barrel; the watering pipe is mounted in the supporting body through the supporting pieces; two ends of the watering pipe extend out of the supporting body; a plurality of water spraying holes are formed in the position, corresponding to the supporting body, of the watering pipe; position holes for sleeving the watering pipe are formed in the middles of the supporting pieces; each water distribution piece is a piece of fluffy nonwoven cloth or sponge body and can completely cover all the water spraying holes; the water distribution pieces are fully distributed on the inner surface of the supporting body; the base body is nonwoven cloth; the surface of the nonwoven cloth is a fluffy layer; the tightening pieces are used for tightening the base body on the supporting body; and the locating pieces are used for locating the supporting body at a target position.
Owner:侯甲

Steel sheet

A steel sheet having the following chemical composition in mass%: C: greater than 0.10% and less than 0.55%, Si: at least 0.001% and less than 3.50%, Mn: greater than 4.00% and less than 9.00%, sil.Al: at least 0.001% and less than 3.00%, P: not more than 0.100%, S: not more than 0.010%, N: less than 0.050%, O: less than 0.020%, Cr: at least 0% and less than 2.00%, Mo: 0 to 2.00%, W: 0 to 2.00%, Cu: 0 to 2.00%, Ni: 0 to 2.00%, Ti: 0 to 0.300%, Nb: 0 to 0.300%, V: 0 to 0.300%, B: 0 to 0.010%, Ca: 0 to 0.010%, Mg: 0 to 0.010%, Zr: 0 to 0.010%, REM: 0 to 0.010%, Sb: 0 to 0.050%, Sn: 0 to 0.050%, Bi: 0 to 0.050%, and balance: Fe and impurities. In the L-cross section, at a position one-fourth of the thickness from the surface, the steel sheet has a metallographic composition, as an area ratio, of tempered martensite: 25 to 90%, ferrite: not more than 5%, retained austenite: 10 to 50%, and bainite: not more than 5%, wherein the area ratio of the total area of retained austenite crystal grains satisfying an area of at least 1 [mu]m2 and a grain circularity of at least 0.1, to the total area of the retained austenite, is less than 50%. The steel sheet satisfies CMn[gamma] / CMn[alpha]>=1.2.
Owner:NIPPON STEEL CORP

Rhombic phase CuCrSe2 nano material as well as preparation method and application thereof

The invention discloses a rhombic phase CuCrSe2 nano material as well as a preparation method and application thereof. The crystal form of the CuCrSe2 nano material is a rhombic phase, and the micro-structure of the CuCrSe2 nano material is of a nano scale disc-shaped and / or polygonal sheet-shaped structure. The preparation method comprises the following steps: (1) performing solvothermal reaction on a high-boiling-point reaction medium containing a soluble copper source, a chromium source and a selenium source; and (2) after the solvothermal reaction is completed, separating out a solid product, and removing the residual solvent on the surface of the solid product. The rhombic phase CuCrSe2 nano material synthesized by the method disclosed by the invention is high in crystallinity, high in mono-dispersity and uniform in morphology and size, and has the morphology of a disc-shaped or polygonal sheet structure. The method is mild in reaction condition and simple in process, controllable preparation of the mono-dispersed rhombic CuCrSe2 nano material with controllable size, uniform morphology and high crystallinity is achieved, and the nano material has wide application prospects in the field of optoelectronic devices.
Owner:QUFU NORMAL UNIV
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