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48results about How to "Rapid industrial production" patented technology

Preparation method of hydroxamic acid or hydroxamic acid salt

The invention discloses a preparation method of hydroxamic acid or hydroxamic acid salt. The method comprises the steps of adding alkaline into a methanol solution of a hydroxylamine salt under a stirring condition, then, adding organic carboxylic acid methyl ester to react, distilling to recover methanol after the reaction is ended to obtain a product hydroxamic acid salt; or cooling a reaction system after the reaction is ended, adding concentrated sulfuric acid into the reaction system, and distilling to recover methanol to obtain hydroxamic acid. The method can be used for greatly increasing the yield of hydroxamic acid or hydroxamic acid salt; methanol as a solvent can be recycled, so that wastewater is prevented from being generated; in addition, the preparation method is wild in reaction condition and beneficial to industrial production.
Owner:岳阳中科华昂精细化工科技有限公司

Preparation method of high-entropy alloy coating layer on surface of casting

The invention discloses a preparation method of a high-entropy alloy coating layer on a surface of a casting. The preparation method comprises the following steps: (S1) preparation of a prefabricated body: adhesive is added in raw material powder of the high-entropy alloy coating layer for mixing to form paste; the paste is pressed as a cylindrical prefabricated body; and the prefabricated body is dried; (S2) shaping: sand is used for manufacturing a molding cavity of a sand mold; after the sand mold is cured, a groove is formed in the specific part of a molding cavity wall part; and the prefabricated body in the step (S1) is put in the groove; and (S3) pouring: molten metal is poured in the molding cavity under normal temperature and normal pressure; and the prefabricated body is dissolved and dispersed under the heat effect of the molten metal, and is solidified to form the high-entropy alloy coating layer on the surface of the casting. After the step (S3), the high-entropy alloy coating layer is subsequently heated. The prepared high-entropy alloy coating layer is excellent in density, better in metallurgic bonding degree with a basal body, simple in needed equipment, convenient for operation and low in production cost.
Owner:HOHAI UNIV CHANGZHOU

Double-layer coextruded insulation LED ultraviolet crosslinking colored low-smoke halogen-free flame-retardant cable material and preparation method thereof

ActiveCN110951141AGood flame retardant synergistic performanceGood copper aging resistancePlastic/resin/waxes insulatorsInsulated cablesPolymer scienceAntioxidant
The invention discloses a double-layer coextruded insulation LED ultraviolet light crosslinking colored low-smoke halogen-free flame-retardant cable material. The cable material is composed of an inner-layer insulating material and an outer-layer insulating material, and the inner-layer insulating material is composed of a maleic anhydride grafted ethylene-octene copolymer, polyethylene, an ethylene-octene copolymer, a flame retardant, a flame retardant synergist, an antioxidant, a metal deactivator, a lubricant, a photoinitiator, a multifunctional group cross-linking agent and a color masterbatch; and the outer-layer insulating material is composed of maleic anhydride grafted polyethylene, an ethylene-vinyl acetate copolymer, syndiotactic 1,2-polybutadiene, the flame retardant, the flameretardant synergist, the antioxidant, the lubricant, the photoinitiator, the multifunctional crosslinking agent and the color master batch. The double-layer coextruded inner-layer insulating materialand the outer-layer insulating material are extruded, and then can be fast crosslinked online through LED irradiation equipment, various properties of cables can meet JG / T 441-2014, the mechanical properties and the electrical properties of the cable are excellent, the flame retardant property is good, and the service life of the cable can reach 70 years or longer.
Owner:SHANGHAI KAIBO SPECIAL CABLE FACTORY

Environment-friendly clean water-based automobile cleaning agent and preparation method thereof

The invention discloses an environment-friendly clean water-based automobile cleaning agent, which comprises the following components: disodium fatty acid amido sulphosuccinate, fatty alcohol-polyoxyethylene ether sodium sulfate, limonene and deionized water. The invention further discloses a preparation method of the cleaning agent. The environment-friendly clean water-based automotive cleaning agent disclosed by the invention has the advantages of simple preparation process, low production cost, good deterging effect, natural and non-toxic components and good biodegradability, and meets the requirements for high efficiency and environmental friendliness.
Owner:任航

Equipment for extracting dietary fiber from wheat bran

The invention discloses equipment for extracting dietary fiber from wheat bran. The equipment comprises a reaction device and a separation device, wherein the reaction device can be used for performing steaming boiling heating and modification on the wheat bran; the wheat bran mixed liquid after modification is completed enters the separation device to be subjected to centrifugal separation; water-soluble dietary fiber and water-insoluble dietary fiber are respectively obtained and are respectively fed into a spray drying machine and an ultrafine crushing machine to be made into dietary fiberpowder. The device provides a set of complete extraction equipment; the production process from raw materials to finished product has few steps; the efficiency is high; the fast industrial productionis facilitated; a novel path is provided for the further resource utilization of the wheat bran.
Owner:HENAN UNIVERSITY OF TECHNOLOGY

OFET (Organic Field Effect Transistor) ammonia gas sensor containing functional insulation layer

The invention discloses an OFET (Organic Field Effect Transistor) ammonia gas sensor containing a functional insulation layer. The OFET ammonia gas sensor comprises a substrate, an insulation layer a, the functional insulation layer, an insulation layer b and an organic semiconductor layer which are sequentially arranged from bottom to top, wherein the organic semiconductor layer is provided with a source electrode and a drain electrode; a gate electrode is arranged between the substrate and the insulation layer a; the insulation layer a and the insulation layer b are formed by polymer insulation materials which do not contain hydroxyl; the functional insulation layer is formed by a polymer insulation material which contains the hydroxyl. According to the OFET ammonia gas sensor disclosed by the invention, a functional insulation layer material containing the hydroxyl is introduced between two insulation layers, so that the gas sensing property of an OFET is increased; -OH contained in the hydroxyl in the functional insulation layer can be subjected to reversion when ammonia gas molecules permeate into an interface of the insulation layers / the organic semiconductor layer, so that hole charges in corresponding number can be induced, parameters of saturation current, a migration rate and the like of devices are enabled to change, and detection on ammonia gas can be realized.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Sn-doped CrO2 thin film and preparing method of Sn-doped CrO2 thin film

The invention particularly relates to a Sn-doped CrO2 thin film and a preparing method of the Sn-doped CrO2 thin film. According to the technical scheme, 75-99.99 parts by weight of CrO3 is contained in a quartz boat, 0.01-25 parts by weight of SnCl2 is contained in another quartz boat, the two quartz boats are then placed in a low-temperature area of a double-temperature-area tubular furnace, and TiO2 single-crystal substrates are placed in a high-temperature area of the double-temperature-area tubular furnace; under the condition that O2 is continuously led in, the high-temperature area is firstly heated to 360 DEG C-420 DEG C, heat preservation is started, and the terminal time of heat preservation of the high-temperature area is the same as the terminal time of heat preservation of the low-temperature area; when the heat preservation of the high-temperature area is started, the low-temperature area is heated to 240 DEG C to 300 DEG C, and heat preservation is carried out for 2-8 hours; natural cooling is carried out, namely the Sn-doped CrO2 thin film is prepared on single-crystal substrates. The Sn-doped CrO2 thin film has the advantages that operation is simple, and industrial production can be rapidly carried out; by means of the Sn-doped CrO2 thin film prepared with the preparing method, under the condition that the magnetic property is not greatly changed, the heat stability is greatly improved, and the application scope is wide.
Owner:WUHAN UNIV OF SCI & TECH

Resin composition for CRTS (China Rail Traffic Summit) I type slab ballastless track and preparation method of resin composition

The invention provides a resin composition and a preparation method of the resin composition. The resin composition comprises a component A, a component B and a component C, wherein the component A comprises the following substances in parts by weight: 70-200 parts of vinyl ester resin composition, 0-20 parts of active diluting agent, 0-50 parts of non-rubber toughening agent, 0-30 parts of rubber toughening agent, 0-20 parts of catalyst, 0-5 parts of ultraviolet absorber, 0-5 parts of light stabilizer, 0-5 parts of antioxidant, 0-5 parts of coupling agent and 0-50 parts of thixotropic agent; the component B comprises the following substance in parts by weight: 1-100 parts of peroxide initiator; the component C comprises the following substances in parts by weight: 120-500 parts of quartz sand and 0-200 parts of rubber particle; and the vinyl ester resin composition comprises vinyl ester resin polymer. The resin composition is matched with a CA mortar layer in performance and is previously prepared, a line with subgrade differential settlement of being over 30 mm can be conveniently and quickly maintained within actual maintenance skylight time, and the original line track structure is restored after the skylight is finished, and the traffic safety is guaranteed.
Owner:METALS & CHEM RES INST CHINA ACAD OF RAILWAY SCI +2

Wall panel mounting assembly and mounting method thereof

The embodiments of the invention disclose a wall panel mounting assembly and a mounting method thereof. Thewall panel mounting assemblycomprises a wall panel and a hanging assembly, the hanging assemblycomprises a hanging piece and a horizontal keel, and the hanging piece comprises a left side plate, a middle side plate and a right side plate; the right side plate is mounted on the wall panel, the twooppositely arranged sides of the middle side plate are connected with the right side plate and the left side plate correspondingly, and the left side plate, the middle side plate and the right side plate three form a hanging groove;and the horizontal keel is provided with a supporting inserting plate and a fixing surface for being fixedtoan original wall, the fixing surface is parallel to the supporting inserting plate, and the hanging groove is formed in the supporting inserting plate in an hanging mode. By using the embodiments, the dry installation of the wall panelcan be realized, the installation process of the wall panelis simplified, the construction period isshortened, the cost issaved, the installation efficiency isimproved, cement mortar or an adhesive is not required, environmental pollutioncan be avoided, and the environmental protection effect of the decoration isimproved.
Owner:ZHEJIANG YASHA DECORATION

3D printing production line and UV decorative sheet produced by production line

The invention relates to a 3D printing production line and a UV decorative sheet produced by the production line. The 3D printing production line comprises a back paint applying machine, a first UV curing machine, a putty applying machine, a second UV curing machine, a forward-reverse rolling-coating machine, a third UV curing machine, a double-roll coating machine, a fourth UV coating machine, a3D printer, a fifth UV curing machine and a film covering and cutting all-in-one machine which are sequentially connected. The 3D printing production line can achieve quick industrial production of UVdecorative sheets. The UV decorative sheet produced by the production line is dense in structure, high in hardness and convenient in performance, can be widely applied to the fields of building materials, indoor decoration, cabinet plates, colorful floors and the like and is especially for decorative sheets made of metal materials and indoor and outdoor wall boards.
Owner:北京英特威迅建筑装饰工程有限公司

Method for producing UV decoration board by 3D printing

The invention relates to a method for producing a UV decoration board by 3D printing, which includes forming a first impermeable adhesive layer on the front of the substrate, forming a putty layer onthe surface of the first impermeable adhesive layer, forming a second impermeable adhesive layer on the surface of the putty layer, forming a primer layer on the surface of the second impermeable adhesive layer, forming a 3D printing layer on the surface of the primer layer, and attaching a plastic film to the surface of the 3D printing layer. The method also relates to the UV decoration board produced by the assembly line, which has the advantages of compact structure, high hardness and uniform performance, and can be widely applied to the fields of building materials, interior decoration, cabinet board, colored floor and the like, and is particularly suitable for decoration boards which is made of metal materials and interior and exterior wall boards.
Owner:北京英特威迅建筑装饰工程有限公司

Slab submersed nozzle controlling flowing of metal fluid

The invention discloses a slab submersed nozzle controlling flowing of metal fluid. The slab submersed nozzle comprises a fire-resistant material pipe, metal liquid outlets and a flow control pyramid; the fire-resistant material pipe is cylindrical, the upper end of the fire-resistant material pipe is open, the bottom end of the fire-resistant material pipe is sealed, the left and the right of the position, having a certain distance from the bottom, on the side face of the fire-resistant material pipe are symmetrically provided with the two metal liquid outlets, and the flow control pyramid is arranged in a bottom groove of the fire-resistant material pipe; by reasonably combining different groove depths, different corner angle numbers of the flow control pyramid, the height of the flow control pyramid, the bottom edge length of the flow control pyramid, the included angel between bottom edges, and shapes of flow grooves formed in the pyramid surfaces, flowing of the metal liquid discharged through the metal liquid outlets is regulated, different flowing states are obtained, and therefore molten pool and liquid surface fluctuation conditions in a crystallizer are effectively controlled.
Owner:SHANGHAI UNIV

Combined butterfly valve

The invention discloses a combined butterfly valve, comprising a butterfly valve body (1) and joints (4) and (6). The butterfly valve is characterized in that two sides of the butterfly valve body (1) are respectively provided with a flange (2); one side of each flange is fixedly connected with the joint, while the other side is fixedly connected with the butterfly valve into a whole by using a bolt (3) through a screw hole on the flange and a screw hole on the butterfly valve. The combined butterfly valve is convenient in quick mounting, quick detaching and maintaining for the butterfly valve, as the butterfly valve and the two joints are connected into a whole through the bolts and the flanges.
Owner:杨世奉

Wood-bamboo hollow forming wallboard reinforcing rib continuous built-in forming method and forming device

The invention relates to a hollow wallboard forming device and a forming method. The invention aims to provide a wood-bamboo hollow forming wallboard reinforcing rib continuous built-in forming deviceand a forming method. According to the forming device and the forming method, the compressive strength and the dimensional stability of a stamping direction of a wood-bamboo hollow forming wallboardcan be effectively improved, and the all-directional performance balance and the form stability of a sheet are realized. The forming device and the forming method have the characteristics of simple process, high production efficiency, capability on continuously producing, and low production cost. The invention provides the technical scheme that the wood-bamboo hollow forming wallboard reinforcingrib continuous built-in forming method is carried out according to the following steps: (1) a stamping head in a die pressing inner cavity carries out up-and-down reciprocating rectilinear movement along a vertical guide rail under the drive of a power mechanism, and simultaneously carries out relative movement relative to multiple inner die forming pipes and multiple reinforcing ribs vertically arranged in the die pressing inner cavity and matched with the stamping head in a penetrating and sleeving way; and the inner wall of the die pressing inner cavity and the pipe walls of the inner die forming pipes are heated and warmed by a heat source heating mechanism.
Owner:ZHEJIANG FORESTRY ACAD +1

Split-into-two-type prefabricated pipe joint combination formwork and manufacturing method of split-into-two-type prefabricated pipe joint

The invention provides a split-into-two type prefabricated pipe joint combination formwork and a manufacturing method of a split-into-two type prefabricated pipe joint. The split-into-two type prefabricated pipe joint combination formwork comprises a bottom formwork, an inner formwork, an outer formwork and end formworks, wherein the bottom formwork is arranged on the ground; the inner formwork isarranged on the bottom formwork and forms a closed shape in an enclosing mode; the outer formwork is arranged on the bottom formwork and arranged on the outer side of the inner formwork in a surrounding mode, and a gap is formed between the outer formwork and the inner formwork to form a filling area; and the end formworks are arranged in the filling area and comprise the first end formwork and the second end formwork which are arranged at the two opposite ends of the filling area correspondingly, the first end formwork and the second end formwork each comprise two parallelly-arranged end plates, and the two sides of the end plates abut against the outer wall of the inner formwork and the inner wall of the outer formwork correspondingly, so that the first end formwork and the second end formwork form reserved cast-in-situ areas with the inner formwork and the outer formwork correspondingly, the filling area comprises a casting area and the reserved cast-in-situ areas, and the castingarea is filled with concrete. The pipe joint is prefabricated in a split-into-two-type mode by arranging the end formworks, and the problems of production, transportation and hoisting of the large-section pipe joint are solved.
Owner:SHANGHAI MECHANIZED CONSTR GRP

Resin composition for CRTS (China Rail Traffic Summit) I type slab ballastless track and preparation method of resin composition

The invention provides a resin composition and a preparation method of the resin composition. The resin composition comprises a component A, a component B and a component C, wherein the component A comprises the following substances in parts by weight: 70-200 parts of vinyl ester resin composition, 0-20 parts of active diluting agent, 0-50 parts of non-rubber toughening agent, 0-30 parts of rubber toughening agent, 0-20 parts of catalyst, 0-5 parts of ultraviolet absorber, 0-5 parts of light stabilizer, 0-5 parts of antioxidant, 0-5 parts of coupling agent and 0-50 parts of thixotropic agent; the component B comprises the following substance in parts by weight: 1-100 parts of peroxide initiator; the component C comprises the following substances in parts by weight: 120-500 parts of quartz sand and 0-200 parts of rubber particle; and the vinyl ester resin composition comprises vinyl ester resin polymer. The resin composition is matched with a CA mortar layer in performance and is previously prepared, a line with subgrade differential settlement of being over 30 mm can be conveniently and quickly maintained within actual maintenance skylight time, and the original line track structure is restored after the skylight is finished, and the traffic safety is guaranteed.
Owner:METALS & CHEM RES INST CHINA ACAD OF RAILWAY SCI +2

General structure of slag and iron separation and cooling device for molten iron desulphurization slag

The invention discloses a general structure of a slag and iron separation and cooling device for molten iron desulphurization slag. The device is configured according to two modes, namely an off-line treatment mode and an on-line treatment mode; when the device is configured according to the off-line treatment mode, a lifting tip-over device and a slag tank are arranged; and when the device is configured according to the on-line treatment mode, an on-line moving device is arranged. By the adoption of the technical scheme, full separation of slag from iron can be realized, and the slag and the iron can be quickly cooled, thus realizing quick and continuous industrial production; one process comprises two use or configuration modes; under both the on-line treatment mode and the off-line treatment mode, a core technology in the treatment process is consistent with that of equipment; conversion between the two working modes can be quickly realized, so as to meet use requirements of different occasions, fulfill the aims of wide use range, flexible equipment configuration and simple maintenance, improve the treatment efficiency and reduce the investment cost.
Owner:MAANSHAN CITY ZHICHENG MACHINE & ELECTRIC

Super-high-density array transducer

The invention provides a super-high-density array transducer. A flexible printed circuit board comprises a front surface and a rear surface, wherein front grounding leads and front signal leads are arranged on the front surface; rear grounding leads and rear signal leads are arranged on the rear surface; a piezoelectric material layer comprises a left grounding block, a plurality of piezoelectricvibrators and a right grounding block; a vibrator ground electrode is arranged on the top face of each piezoelectric vibrator, and a signal electrode is arranged on the bottom surface of each piezoelectric vibrator; the bottom surface of each matching material layer has the electrical conductivity, and the matching material layers are mounted and fixed to the top faces of the left grounding block,the plurality of piezoelectric vibrators and the right grounding block; the matching material layers are in circuit connection with the left ground electrode of the left grounding block, the right ground electrode of the right grounding block and the vibrator ground electrodes on the top faces of the plurality of piezoelectric vibrators; and the signal electrodes with the odd numbers counted fromleft to right realize circuit connection with a plurality of rear signal leads, and the signal electrodes with the even numbers counted from left to right realize circuit connection with a pluralityof front signal leads. For the super-high-density array transducer, the welding of leads and the arrangement of leads on the vibrator ground electrodes are not needed.
Owner:SHENZHEN JIARUI ELECTRON TECH

Color paste for production of color green garden mulching material and preparation method thereof

The invention relates to the technical field of plant material dyeing, and discloses a color paste for the production of a color green garden mulching material and a preparation method thereof. The formula of the color paste contains an ultrafine inorganic iron oxide pigment, peregal O, sodium chloride, alumina, a green antiseptic and tap water. The product provided by the invention is characterized by simple components, no need of special equipment for medicine processing, rapid industrial production and the like. The color green garden mulching material series products produced by the use of the product provided by the invention has functions of conserving water and soil, improving soil structure, preventing wind and solidifying sand, inhibiting weed on the surface of land, minimizing the harm of diseases and pests, buffering ground surface temperature and returning nutrients, thus realizing environmental beautification, waste utilization, substance recycling, low cost maintenance and sustainable development of urban green land.
Owner:虹越花卉股份有限公司

Environment-friendly automobile cleaning agent

The invention discloses an environment-friendly automobile cleaning agent, which comprises the following components: disodium fatty acid amide sulfosuccinate, polyoxyethylene fatty alcohol sodium sulfate, limonene and deionized water. The invention further discloses a preparation method of the cleaning agent. The environment-friendly automobile cleaning agent provided by the invention has the advantages of simple preparation process, low production cost, ideal decontamination effect, natural and non-toxic components, and good biodegradability, and meets the requirements of high efficiency andenvironmental protection.
Owner:QINGDAO BAIJIANCHENG ENVIRONMENTAL PROTECTION TECH CO LTD

Albumin peptide beverage, preparation method and application in improvement of plasma albumin indexes

The invention provides an albumin peptide beverage, a preparation method and an application in improvement of plasma albumin indexes. The albumin peptide beverage comprises the following raw materials by weight: egg white, green papaya, pineapple, momordica grosvenori, cranberry, vitamin B6, vitamin B12, nicotinic acid, sucralose, citric acid, maltodextrin, fructo-oligosaccharide and water. Fresh fruits such as green papaya, pineapple, siraitia grosvenorii and cranberry are directly adopted to hydrolyze egg white to prepare the albumin peptide beverage, the beverage is not concentrated into powder and then compounded, other chemical proteases and preservatives are not added, short peptides with activity can be generated through hydrolysis, and the beverage is closer to human body nutritional requirements and nutritional ingredient proportion requirements, is beneficial to promoting digestion and absorption of the body, reduces allergic reaction of the human body to the egg white, can increase the content of plasma albumin and total protein, is used for daily and clinical protein nutritional supplements, and is simple in production process, low in equipment difficulty and good in product taste, and rapid, complete and efficient industrial production can be realized.
Owner:杭州倍欣生物科技有限公司

Off-line processing technology of slag-iron separating and cooling device of molten iron desulfurized slag

InactiveCN107190112ARapid serial industrial productionIncrease the scope of applicationRecycling and recovery technologiesSlagRollover
The invention discloses an off-line processing technology of a slag-iron separating and cooling device of molten iron desulfurized slag. The device is configured according to the two modes of off-line processing and on-line processing; when the device is configured according to the off-line processing mode, a lifting rollover device and a slag pot are arranged; and when the device is configured according to the on-line processing mode, an on-line shifting device is arranged. By adopting the technical scheme, slag and iron can further be rapidly cooled while sufficient slag-iron separating is achieved, and rapid and continuous industrial production is achieved; one set of technology is provided with two using or configuration modes, and no matter the on-line processing mode or the off-line processing mode, the core technology of the processing technology keeps consistent with equipment; conversion of the two working modes can be rapidly achieved, so that using requirements of different occasions are met, and the purposes that the using range is wide, the equipment configuration is flexible, and maintenance is simple are achieved; and the processing efficiency is improved, and the investment cost is reduced.
Owner:MAANSHAN SHUANGYI MACHINERY MFG

Start control system and method of X-ray machine

The invention belongs to the technical field of radiodiagnosis instruments, and relates to a starting control method of an X-ray machine, which comprises the following steps: firstly, calculating the starting frequency of variable frequency starting, and adjusting the voltage to be the minimum value; then carrying out open-loop frequency soft start; meanwhile, the mA value of the X-ray machine is detected cycle by cycle according to the operation frequency, and whether the mA value of the X-ray machine reaches a current starting threshold value or not is judged; when the mA value of the X-ray machine is equal to or larger than the current starting threshold value, the voltage is adjusted to a target set value, and closed-loop frequency adjustment is started to enable the mA value of the X-ray machine to be stable; and finally, current soft start is carried out to adjust to the mA rated value of the X-ray machine, so that the soft start automatic adjustment of the X-ray machine is realized, and the labor and time cost is effectively reduced.
Owner:天津美炫电气自动化科技有限公司

Modular miniature toilet

The invention provides a modular miniature toilet. The modular miniature toilet comprises a main body structure and a decorative panel, wherein the main body structure and the decorative panel are connected between a roof and a vertical surface and between the ground and the vertical surface in a buckling type cross connection mode to form interlocking nodes. A use room, a fresh air water-cooling air conditioning system and an equipment room are arranged in the miniature toilet, a suspended induction type urinal, a suspended hand washing sink, an induction type faucet, an induction type garbage can and a female urinal self-taking device are arranged in the use room, and electrical connection in the miniature toilet adopts an aviation connector. The miniature toilet is convenient to install, the interface of the decorative panel is clean and tidy, and no exposed screw and bolt are arranged. The novel heating and ventilation and water system integrated design combining the water-cooling air conditioning system and the reclaimed water recycling technology can ensure the internal temperature and odor control of the miniature toilet, meanwhile, energy and water are saved, and the problems that citizens find toilets, wait in line and have poor toilet use experience are solved.
Owner:CHINA CONSTR SCI & TECH CO LTD

Method for preparing FISH probe of EGFR gene

The invention belongs to the field of biochemistry, in particular to the field of measurement or detection related to biochemistry. More particularly, the invention relates to a method for preparing aFISH probe of an EGFR gene, and a probe prepared by the method. The method of the invention uses BAC cloning, enzyme digestion interruption and asymmetric amplification to prepare a probe library, thereby effectively improving product sensitivity, specificity and signal strength.
Owner:SUREXAM BIO TECH

A kind of sn-doped cro2 thin film and preparation method thereof

The invention specifically relates to a Sn-doped CrO2 thin film and a preparation method thereof. The technical solution is: first put 75~99.99 parts of CrO3 into the quartz boat, put 0.01~25 parts of SnCl2 into another quartz boat, and then put the above two quartz boats into the dual temperature zone tube type In the low-temperature zone of the furnace, put the TiO2 single crystal substrate into the high-temperature zone of the dual-temperature zone tube furnace; under the condition of continuous feeding of O2, first heat the high-temperature zone to 360°C~420°C, start to keep warm, and keep warm in the high-temperature zone The end time of the heat preservation in the low temperature area is the same as the end time of the heat preservation in the low temperature area; when the heat preservation is started in the high temperature area, the low temperature area is heated to 240 ° C ~ 300 ° C and kept for 2 ~ 8 hours; natural cooling, that is, Sn doped CrO2 is prepared on the single crystal substrate film. The invention has the characteristics of simple operation and rapid industrial production. The Sn-doped CrO2 thin film prepared by the method has greatly improved thermal stability under the condition of no large change in magnetic properties, and has a wide range of applications.
Owner:WUHAN UNIV OF SCI & TECH

Magnetic vibration thermal conductor used for magnetic vibration thermal treatment pad and magnetic vibration thermal treatment pad

PendingCN110898332AReduced number of turns requiredIncreased magnetic induction strengthElectrotherapyMagnetotherapy using coils/electromagnetsElectric machineryThermal treatment
The invention relates to a magnetic vibration thermal conductor and a magnetic vibration thermal treatment pad manufactured based on the magnetic vibration thermal conductor. The magnetic vibration thermal conductor includes a coil component and a vibration motor, the coil component includes an I-shaped framework, a magnetic rod and a coil group, the I-shaped framework includes a hollow winding area and fixing plates on two sides, the magnetic rod is fixed on the inner side of the hollow winding area, and the coil group is located on the inner sides of the fixing plates; a magnetism guide mechanism is arranged on one side of the I-shaped framework, the magnetism guide mechanism includes a magnetism guide iron sheet and a fixing screw, and the magnetism guide iron sheet is closely attachedto one fixing plate and cooperates with the fixing screw for being mutually fixed with the magnetic rod; and the coil component and the vibration motor are fixed in a filling and sealing element. Themagnetic vibration thermal treatment pad includes a pad body and a plurality of magnetic vibration thermal conductors, and the magnetic vibration thermal conductors are uniformly distributed and fixedto the pad body. According to the magnetic vibration thermal conductor, the magnetism guide mechanism is arranged, so that the magnetic induction intensity can be improved, the requirement for required turns per coil can be reduced, and high production costs can be avoided.
Owner:GUANGZHOU YIHE MEDICAL TECH DEV
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