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48results about How to "Strong high temperature resistance" patented technology
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Three-phase self-foaming water-plugging agent
The invention discloses a three-phase self-foaming water-plugging agent, and belongs to the field of petroleum chemistry. The provided water-plugging agent comprises the following components: solid particles, a foaming agent, a foam stabilizing agent, a crosslinking agent, a delaying agent, and a gas producing agent. Compared with the prior art, the provided water-plugging agent has the advantages of high foam quality and good stability, the gel crosslinking and gas production can be achieved at the same time, the water-plugging agent can tolerate high temperature, has a strong residue blocking performance and a long water-plugging period, and can achieve efficient plugging and depth profile control. Moreover, the preparation technology of the provided water-plugging agent is simple, the injection cost is low, and the water-plugging agent is safe and reliable, thus has a good market prospect and high economic value, and is especially suitable for the development of high temperature heavy oil steam stimulation wells.
Owner:CHINA PETROLEUM & CHEM CORP +1
High-temperature resistant saccharomyces cerevisiae strain and breeding method thereof
ActiveCN103232948AHigh genetic stabilityBack mutationFungiMutant preparationBiotechnologyEthanol yield
The invention provides a high-temperature resistant saccharomyces cerevisiae strain and a breeding method of the high-temperature resistant saccharomyces cerevisiae strain. The saccharomyces cerevisiae (Saccharomyces cerevisiae) SY-5-11L has a preservation number of CGMCC No.7377. The strain is characterized in that the ethanol yield is 13.9% (v / v) at a condition of fermenting at high temperature of 38 DEG C on the premise that other fermenting performances are not influenced, the yield is improved by 17.8% as compared with that of a parent strain. The ethanol output at the condition of fermenting at high temperature of 40 DEG C is 12.2% (v / v), and is improved by 34.1% as compared with that of the parent strain. The breeding method comprises the following steps of: performing artificial ultraviolet mutagenesis on an initial strain of the saccharomyces cerevisiae; screening out 23 forward mutant strains as a genome rearrangement library, wherein the ethanol output of the forward mutant strains are obviously raised on the condition of fermenting at a high temperature; and performing the genome rearrangement at three rounds, thus gaining the mutant strains with the maximum ethanol output under the high-temperature fermenting condition. The finally bred saccharomyces cerevisiae strain can be subjected to alcoholic fermentation at the high-temperature fermenting condition, brings no special requirements to fermenting equipment and technological conditions, and can be put into service with the equipment and conditions of general plants, thus having a wide application prospect.
Owner:贵州钓鱼台国宾酒业有限公司
Flexible solar cell photovoltaic component made with flexible substrate
ActiveCN102386251AReduce compoundingImprove photoelectric conversion efficiencyFinal product manufactureDiodeMaterials sciencePellicle membrane
Owner:李毅
Grease special for plastic and preparation method thereof
InactiveCN101880578AStable colloidal stabilityStrong high temperature resistanceBase-materialsTemperature resistanceLubrication
The invention discloses grease special for plastic and a preparation method thereof. The grease comprises the following components: organopolysiloxane, an additive, a heat stabilizer, a colloid stabilizer and a thickener, wherein the additive improves lubrication of dropping points and interfaces. The grease not only has the performance of common grease, but also has the advantages of stable colloid stability, strong high temperature resistance, and a special plastic protective function.
Owner:福州三辰新材料有限公司
High-temperature-resistant low-tension foam oil-displacing agent and application thereof
InactiveCN104745168AStrong high temperature resistanceGood foam stabilization performanceDrilling compositionTemperature resistanceMass concentration ratio
A high-temperature-resistant low-tension foam oil-displacing agent comprises an anionic surfactant and a zwitterionic surfactant, wherein the mass concentration ratio of the anionic surfactant to the zwitterionic surfactant is (1-50):1. The invention further discloses an application of the high-temperature-resistant low-tension foam oil-displacing agent to tertiary oil recovery to increase the recovery efficiency of crude oil in a high-temperature oil reservoir with the formation temperature of 80-200 DEG C. The high-temperature-resistant low-tension foam oil-displacing agent provided by the invention has the characteristics of ultralow interfacial tension, high foaming capacity, good foam stabilizing effect, good high-temperature resistance and the like, cannot be decomposed at the high temperature of 300DEG C. Ultralow interfacial tension less than 10<-2>mN / m can be achieved between an aqueous solution of the high-temperature-resistant low-tension foam oil-displacing agent and crude oil, wherein the concentration of the aqueous solution of the high-temperature-resistant low-tension foam oil-displacing agent is 0.1-0.5wt%.
Owner:丁国良
Three-phase foam channel-sealing agent, preparation method thereof, and thickened oil exploiting and plugging method
ActiveCN109971443AImprove plugging efficiencyAdjustable permeabilityDrilling compositionCross-linkFoaming agent
The invention discloses a three-phase foam channel-sealing agent and a preparation method thereof, and a thickened oil exploiting and plugging method by adopting the three-phase foam channel-sealing agent, and belongs to the technical field of oil field chemistry. The three-phase foam channel-sealing agent consists of the following components in percentage by weight: 0.3% of a foaming agent, 3-4%of alpha-starch, 3%-4% of acrylamide, 0.01%-0.02% of an initiator, 0.1%-0.15% of a cross-linking agent, 0.1%-0.2% of a control agent, 0.5%-30% of solid-phase particles and the balance of water. The three-phase foam channel-sealing agent disclosed by the invention is injected into steam channeling pore channels, steam huff and puff is carried out after foam forms gel, the gel is carbonized when encountering steam, and solid particles are left to block the channeling channels. Plugging efficiency is high, permeability is adjustable, a problem of serious steam channeling can be well solved, and the recovery rate of crude oil is improved.
Owner:CHINA PETROLEUM & CHEM CORP +1
Preparing method of natural bamboo leaf extract antimicrobial agent
InactiveCN105341621ALarge amount of resourcesReduce manufacturing costFood preservationNatural extract food ingredientsFlavorIce water
The present invention relates to a preparing method of a natural bamboo leaf extract antimicrobial agent, belonging to the field of preparing antibacterial agents. The method uses fresh moso bamboo leaves as a raw material. After yellow and decaying bamboo leaves are removed, the moso bamboo leaves are dried, the dried moso bamboo leaves are pulverized, the moso bamboo leaf powder is dissolved in a phosphate buffer, and the mixture is subjected to magnetic stirring in an ice-water bath to obtain a bamboo leaf pulp. Then the bamboo leaf pulp is centrifuged at a high-speed to obtain a supernatant. Ammonium sulfate is used to salt out crude antimicrobial protein peptide, and finally a natural bamboo leaf extract antimicrobial agent is obtained by dialysis. The used raw materials are natural plant leaves which are renewable resources and are large in resource maintaining amount and low in production cost, and so that the antimicrobial agent is easy in preparation steps and operations. The bamboo leaves contain a variety of natural compounds. The natural bamboo leaf extract antimicrobial agent has a good antibacterial effect, produces no influence on the flavor of food to be preserved, and has an antibacterial effect significantly higher than that of ordinary chemical antibacterial agents.
Owner:CHANGZHOU OPTICAL MATERIAL
Screening and application of fish-derived enterococcus faecium R8
ActiveCN108660097AHigh activityIncrease weight gainAntibacterial agentsBacteriaStaphylococcus haemolyticusVibrio parahaemolyticus
The invention provides enterococcus faecium R8 that is screened and separated from a crucian intestinal tract and has safe and prebiotic characteristics. The enterococcus faecium is collected in ChinaGeneral Microbiological Culture Collection Center (CGMCC) of China Committee for Culture Collection of Microorganisms on January 17, 2018 and has a collection number of CGMCC NO. 15229. The enterococcus faecium is high in heat resistance, acid-base resistance and stress resistance and more significant in probiotic performance, has a relatively obvious inhibiting effect on common aquatic pathogenic bacteria such as aeromonas veronii, staphylococcus haemolyticus, vibrio parahaemolyticus and vibrio vulnificus and can be widely applied to aquaculture as a feed additive.
Owner:TIANJIN AGRICULTURE COLLEGE
Acidizing corrosion inhibitor used in self-diverting acid system as well as preparation method and application thereof
InactiveCN106398679AStrong high temperature resistanceDoes not affect steeringFluid removalDrilling compositionSolventCorrosion inhibitor
The invention discloses a preparation method of high-efficient high-temperature acidizing corrosion inhibitor used in a self-diverting acid system. The corrosion inhibitor is compounded by a corrosion inhibitor main agent, a corrosion inhibition synergist, a cosolvent, and a solvent. The corrosion inhibitor guarantees corrosion of oil pipes and bushings due to self-diverting acid in the whole construction process is reduced to the minimum.
Owner:SICHUAN WELDON CHEM
Chicken manure compost maturing fermentation complex microbial inoculant
PendingCN112795516AAdaptableStrong high temperature resistanceBio-organic fraction processingBacteriaBiotechnologyBacillus licheniformis
The invention provides a chicken manure compost maturing fermentation complex microbial inoculant, which comprises bacillus licheniformis, bacillus megatherium, bacillus cereus, bacillus natto and pseudomonas, has strong adaptability and certain high temperature resistance, and generates various biological enzymes in the composting process. Various macromolecular substances in the compost are decomposed into micromolecular organic matters. The temperature rise is fast, the duration is long, the composting period is effectively shortened, the effect of killing harmful microorganisms and weed seeds is good, and the obvious technical effect is achieved in chicken manure compost maturing treatment.
Owner:TIANJIN UNIV OF SCI & TECH
Micro-ecological preparation and preparation method thereof
InactiveCN101965910AHigh activityStrong high temperature resistanceAnimal feeding stuffAnimal productSugar
The invention discloses a micro-ecological preparation and a preparation method thereof. The micro-ecological preparation consists of viable clostridium butyricum and an acceptable carrier. The preparation method comprises the following steps of: inoculating clostridium butyricum strains into an improved agar-containing GAM semisolid culture medium and performing anaerobic cultivation to obtain slant stains; inoculating the slant strains into a liquid culture medium and performing the anaerobic cultivation to obtain liquid strains; inoculating the liquid strains into a sterilized basic culture medium, and performing anaerobic fermentation cultivation for 48 to 60 hours in a way of controlling residual sugar content in the fermentation process to be not over 0.5 percent and controlling ammonia nitrogen content to be 0.05 to 0.15 percent; and after the cultivation is finished, placing the liquid strains into a tank, mixing the liquid strains and the carrier and performing spray drying to obtain the micro-ecological preparation. The micro-ecological preparation of the invention can promote the growth of livestock and poultry, improve the immunity and improve the quality of animal products, and is favorable for reducing the cost of feeds.
Owner:广东省农业科学院兽医研究所 +1
Nannochloropsis sp. mutant strain and applications thereof
ActiveCN104371929AInsecticide strongStrong high temperature resistanceUnicellular algaeMicroorganism based processesNannochloropsis sp.Microbiology
The present invention relates to a Nannochloropsis sp. mutant strain and applications thereof, wherein the taxonomy name of the Nannochloropsis sp. mutant strain is Nannochloropsis sp. The Nannochloropsis sp. mutant strain of the present invention has advantages of strong high temperature resistance, strong pesticide tolerance, high grease content, stable performance, and strong environmental adaptability.
Owner:ENN SCI & TECH DEV
Insulating ceramic for high-voltage power transmission line
InactiveCN107216166AStrong insulation performanceStrong high temperature resistanceInsulatorsCeramicHigh pressure
The invention discloses an insulating ceramic for a high-voltage power transmission line. The insulating ceramic is characterized by comprising a ceramic body, a semiconductor glaze coating the outer surface of the ceramic body, and an insulating layer attached to the outside of the semiconductor glaze. The outer surface of the ceramic body is coated with the semiconductor glaze, and the insulating layer is bonded outside the semiconductor glaze, so that the insulating ceramic has higher insulating performance, and the power transmission line winding the outer surface is prevented from generating electrochemical corrosion on the insulating ceramic, is safe to use and has long service life.
Owner:许五妮
Nannochloropsis oculata mutant strain and applications thereof
ActiveCN104293676AAdaptableInsecticide strongUnicellular algaeAlgae medical ingredientsNannochloropsis sp.Microbiology
The invention relates to a nannochloropsis oculata mutant strain and applications thereof. The nannochloropsis oculata mutant strain is taxonomically named Nannochloropsis Sp. The nannochloropsis oculata mutant strain has the advantages of stable properties, strong environment adaptability, and strong resistance to pesticide and a high temperature.
Owner:ENN SCI & TECH DEV
High-temperature resistant saccharomyces cerevisiae strain and breeding method thereof
ActiveCN103232948BHigh genetic stabilityBack mutationFungiMutant preparationBiotechnologyEthanol yield
Owner:贵州钓鱼台国宾酒业有限公司
Compound low-methoxyl pectin and preparation method and application thereof
InactiveCN105380236AOvercome the defects of poor stability and short shelf lifeImprove stabilityFood preservationFood ingredient as pH modification agentSodium citrateOrganic chemistry
The invention provides compound low-methoxyl pectin. The compound low-methoxyl pectin is prepared from, by mass, 15-25 parts of pectin with the esterification degree of 32%-42% and 1-1.5 parts of sodium citrate; a gelatinous degree value of the compound low-methoxyl pectin ranges from 115 to 125, and a pH value of the compound low-methoxyl pectin ranges from 3.2 to 3.8. The invention further provides a preparation method of the compound low-methoxyl pectin. The preparation method comprises the three main steps of pectin compounding, pectin standardizing and pectin pH regulating. The invention further provides application of the compound low-methoxyl pectin in jam for baking.
Owner:YANTAI ANDRE PECTIN
Alkali-resistant glass fiber mesh cloth
InactiveCN108842476AStrong high temperature resistanceHigh tensile strengthWoven fabricsTemperature resistanceThermal conductivity
The invention discloses alkali-resistant glass fiber mesh cloth. The mesh cloth is formed by weaving longitude lines and latitude lines, wherein all the longitude lines are arranged longitudinally atequal distance, all the latitude lines are arranged horizontally at equal distance, and each of the longitude lines is woven with all the latitude lines; all the longitude lines and all the latitude lines are glass fiber yarns, each of the glass fiber yarns comprises a plurality of monofilaments, and the diameter of each of the monofilaments is 7-10 [mu]m; the thickness of the alkali-resistant glass fiber mesh cloth is 0.2-0.7 mm; and the outer surface of the alkali-resistant glass fiber mesh cloth is coated with a binding agent layer, and the outer surface of the binding agent layer is coatedwith an alkali-resistant layer. The alkali-resistant glass fiber mesh cloth is strong in high temperature resistance, high in tensile strength and low in thermal conductivity coefficient; in addition, when the alkali-resistant glass fiber mesh cloth is compounded with resin to form an anti-ablation material, the anti-ablation property and the mechanical washing resistance of the anti-ablation material can be effectively improved, and high temperature on the surface of the anti-ablation material can be prevented from transmitting into the anti-ablation material.
Owner:合肥神舟建筑集团有限公司
Battery slurry solid content test device and test method
InactiveCN109856005AReduce oxidation activityStrong high temperature resistanceWeighing by removing componentPresent methodAdditive ingredient
The invention discloses a battery slurry solid content test device and test method. The device is specifically a concave type tray. The concave type tray comprises a tray bottom and an external rim. The concave type tray is made of a composite material. The specific raw materials for preparing the composite material comprise the following ingredients: C: 0.03-0.06%, Si: 0.6 -0.8%, Mn: 2-2.1%, Cr:19.0-22.0%, Ni: 9-11. 5%, N: 1.0-1.2%, and the balance being Fe. Compared with the prior art, the device has the following advantages: 1) the design of the concave type tray structure effectively ensures storage stability of the slurry to be tested in the taking and putting, testing and transporting process, and reduces splashing; 2) the test device prepared through the composite material is low in oxidation activity, is high in high-temperature tolerance and can maintain constant weight before or after baking, thereby reducing errors caused by the device itself of the test method; and 3) thetest method is simple, and the device is low in cost.
Owner:ETRUST POWER ETP GRP LTD
Fireproof plate and preparation method thereof
The invention discloses a fireproof plate and a preparation method thereof, and belongs to the technical field of fireproof materials. The fireproof plate comprises a plate core, a fireproof plate body and a veneer from inside to outside sequentially, wherein the plate core comprises frameworks and filler filled between the frameworks; the filler is prepared from components in parts by weight as follows: 200-600 parts of perlite, 150-300 parts of a calcium carbide substrate, 35-45 parts of sodium silicate, 8-16 parts of magnesium oxychloride and 600-1000 parts of water; the calcium carbide substrate is prepared from components in parts by weight: 60-160 parts of CaO, 50-150 parts of kaolinite, 20-30 parts of mullite fiber, 3-5 parts of Fe2O3, 10-20 parts of polyvinyl alcohol, 30-50 parts of dolomite fiber and 600-800 parts of water. Meanwhile, the fireproof plate is prepared by the following three steps: preparation of the frameworks, filling of the plate core, and pressing of a finished product. By means of the synergistic effect of various refractory materials, the comprehensive property of the fireproof plate can be better enhanced. The multi-layer structure of the fireproof plate is pressed by pressure, so that the structure is compact, and the seal property is good.
Owner:宁波宫铁智能科技有限公司
Evaporation structure, radiator, semiconductor device and preparation method
ActiveCN112951728AStrong high temperature resistanceEffective coolingSemiconductor/solid-state device detailsSolid-state devicesDevice materialMechanical engineering
The embodiment of the invention provides an evaporation structure, a radiator, a semiconductor device and a preparation method. The preparation method of the evaporation structure comprises the steps that: a substrate is provided, a bottom plate, a side plate connected with the bottom plate, and a plurality of backflow pieces arranged on the bottom plate at intervals are formed on the substrate, a liquid filling opening is formed in the side plate, the side plate surrounds the bottom plate, so that a cavity with an opening is formed in the substrate; capillary structure layers are formed on the inner surface of the bottom plate, the inner surface of the side plate and the surfaces of the backflow pieces; a base top is provided, a protection piece is arranged in a welding area of the base top, and a capillary structure layer is formed on the side, provided with the protection piece, of the base top to form a top plate; the protection piece is separated from the top plate, so that a welding area can be exposed; the welding area of the top plate corresponds to the side plate and the backflow pieces, the top plate, the side plate and the backflow pieces are welded and fixed through the welding area, and the opening is sealed so that the bottom plate, the top plate and the side plate can be matched to form an evaporation cavity; evaporating liquid is injected through the liquid filling opening, and the liquid filling opening is sealed to form an evaporation structure.
Owner:ZTE CORP
Improved multi-scale high-temperature speckle preparation method
PendingCN114858077AStrong high temperature resistanceNot easy to fall offUsing optical meansPhysicsBi layer
The invention discloses an improved multi-scale high-temperature speckle preparation method, which comprises the following steps of: 1, determining and optimizing characteristic parameters of a digital speckle field, generating an optimized multi-scale simulation speckle pattern, and converting the optimized multi-scale simulation speckle pattern into a computer-aided design (CAD) file; 2, coating a double-layer film on the surface of the test piece; 3, performing a speckle manufacturing process test on a glass sheet or a silicon sheet which is subjected to double-layer film coating with the test piece by using a femtosecond laser system, and designing the depth of a micro-scale speckle micropore and the depth of a macro-scale speckle hole according to the coating thickness of an outer layer, obtaining laser pulse parameters of the femtosecond laser system under the speckle diameter and the speckle depth of each scale; and 4, etching the double-layer film on the surface of the test piece to obtain a multi-scale speckle pattern. The coating does not damage the surface of the test piece, is not easy to fall off in a high-temperature environment, and can enhance the high-temperature resistance, corrosion resistance and the like of the test piece.
Owner:HUNAN UNIV +1
A high temperature resistant filter cloth
InactiveCN102274657AStrong high temperature resistanceImprove the use effect and lifeWoven fabricsFiltration separationWeft yarnEngineering
The invention relates to a high-temperature-resistant filter cloth, which belongs to the field of textile industry. A high temperature resistant filter cloth, which is woven from warp and weft, the warp and weft are both processed from 20s / 2 aramid single yarn into strands, and the warp and weft are woven into 5 / 2 warp satin organizational structure. The warp and weft of the filter cloth are all made of aramid yarn, which makes the filter cloth have strong high temperature resistance and greatly improves the use effect and life of the filter cloth.
Owner:DALIAN HUALONG FILTER CLOTH
Formula of color changeable modified polytetrafluoroethylene
InactiveCN105038051AStrong high temperature resistanceStrong flame retardant performanceChemistryPolytetrafluoroethylene
The invention discloses a formula of color changeable modified polytetrafluoroethylene. The color changeable modified polytetrafluoroethylene comprises modified polytetrafluoroethylene synthetic resin, a filling agent, a plasticizing agent, a dispersing agent, an antioxygen, a fire retarding agent and a thermosensitive color changing agent, wherein the filling agent is a mixture of wood powder and mica powder, the plasticizing agent is triphenyl phosphate, the dispersing agent is barium stearate, the antioxygen is hindered phenol, the fire retarding agent is a mixture of antimonous oxide and tetrabromophthalic anhydride, and the thermosensitive color changing agent is lead butyrate. Through adoption of the manner, the prepared color changeable modified polytetrafluoroethylene is strong in high temperature resistance, strong in flame resistance and low in cost, has the high-temperature color changing warning function, and is relatively high in safety.
Owner:SUZHOU NEW DISTRICT TEFLON PLASTIC PRODS FACTORY
UV coating
The invention relates to UV coating which belongs to the technical field of UV coating. The UV coating is characterized by comprising the following components in percent by weight: 28-32 percent of Sartomer hyperbranched multifunctional polyurethane resin, 8-12 percent of crylic acid graft modified acrylic resin, 28-32 percent of Sartomer crylic acid activated monomer, 4-6 percent of Ciba photoinitiator, 5-7 percent of UK700 flatting powder, 1.5-2.5 percent of US surface improving agent, 8-12 percent of accelerating agent and 3.5-5 percent of SDY modifying agent. The UV coating has environment protection, high temperature resistance, good film-forming hardness, good glossiness, good liquidity resistance and wear-resisting property, excellent yellowing resistance, long activation period, low coating cost, high efficiency and ten times of the conventional coating efficiency.
Owner:ZHEJIANG SUNON FURNITURE MFG
High-temperature-resistant antibacterial plastic and preparation method thereof
PendingCN110218447AStrong high temperature resistanceImprove high temperature resistancePlasticizerPolyimide
The invention discloses a high-temperature-resistant antibacterial plastic which comprises the following components in parts by weight: 70-75 parts of silylanized polyimide, 25-27 parts of nitrile rubber, 6-8 parts of a plasticizer, 0.3-0.4 part of sulfur, 1-1.5 parts of 2,8-di-tert-butyl-4-methylphenol and 3.1-3.3 parts of sulfadiazine. As the nitrile rubber is compounded with silylanized polyimide to prepare the plastic, and the nitrile rubber has a good elastic deformation property, but is poor in high-temperature-resistant property, the plastic prepared by simultaneously smelting the silylanized polyimide and the nitrile rubber has not only the high-temperature-resistant property of the silylanized polyimide, but also the elastic deformation property of the nitrile rubber, furthermore,the prepared plastic can be applied to sealing at an ultrahigh temperature, and the problems that a conventional polyimide material is good in rigidity, low in deformation resistance, not applicableto sealing and not applicable to sealing storage of high-temperature articles, can be solved.
Owner:唐海球
Saline water desalting system
ActiveCN103253723AStrong high temperature resistanceStrong corrosion resistanceGeneral water supply conservationSeawater treatmentSaline waterEnergy source
The invention relates to a saline water desalting system which comprises a container, a condenser, a membrane distillation assembly, a heater and pipelines, wherein the container is provided with a bitter saline water inlet, a desalted wastewater discharge hole and a fresh water discharge hole, the condenser and the membrane distillation assembly are arranged inside the container, the heater is used for heating bitter saline water entering the end part of the membrane distillation assembly and generating steam; the pipelines include a first pipeline for communicating the bitter saline water inlet with the heater, a second pipeline for communicating the heater with the membrane distillation assembly and a third pipeline for communicating the membrane distillation assembly and the wastewater discharge hole; the condenser is positioned above the membrane distillation assembly; the heater is arranged at the outer side of the container and is a solar heater; and the condenser is arranged on the first pipeline. According to the saline water desalting system, on the one hand, as the solar heater is used, energy sources are saved; and on the other hand, the condenser is arranged on the first pipeline, heat energy is transferred onto the first pipeline by using a condensation and heat dissipation principle, so that the temperature of bitter saline water in the first pipeline is improved and resources are sufficiently utilized.
Owner:苏州华辰净化股份有限公司
Logging digital processing device
The invention discloses a logging digital processing device, and relates to the technical field of resource exploration and engineering exploration. The logging digital processing device comprises a protection upper cover, a detection module is movably installed at the center of the inner side of the front face of an internal shell, and a logging probe is movably connected to the bottom end of thefront face of the internal shell; and a high-resolution digital pressure sensor is movably installed in the center of the inner wall of the left side of the front face of the detection module, and atemperature sensor is movably installed in the center of the inner wall of the right side of the front face of the detection module. According to the logging digital processing device, a driving motoris started to enable an elastic spring movably connected to the center of the bottom end of the front face of the driving motor to extrude downwards, and the bottom end of the elastic spring is movably connected with the top end of the internal shell movably installed on the inner side of the front face of a middle shell to drive the internal shell to extrude downwards; and under the condition that the logging probe movably connected to the bottom end of the front face of the internal shell rotates, the logging probe is downwards extruded to rotate through downward extrusion of the internal shell, so that drilling is faster, and related information at the deeper position is obtained.
Owner:东营市宇彤机电设备有限责任公司
Method for Surface Coating of Explosive Particles
ActiveCN103342619BSolve the problem of not being able to withstand high temperatureStrong high temperature resistanceExplosive working-up apparatusParyleneExplosive cladding
Owner:INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
A kind of fireproof board and preparation method thereof
The invention discloses a fireproof plate and a preparation method thereof, and belongs to the technical field of fireproof materials. The fireproof plate comprises a plate core, a fireproof plate body and a veneer from inside to outside sequentially, wherein the plate core comprises frameworks and filler filled between the frameworks; the filler is prepared from components in parts by weight as follows: 200-600 parts of perlite, 150-300 parts of a calcium carbide substrate, 35-45 parts of sodium silicate, 8-16 parts of magnesium oxychloride and 600-1000 parts of water; the calcium carbide substrate is prepared from components in parts by weight: 60-160 parts of CaO, 50-150 parts of kaolinite, 20-30 parts of mullite fiber, 3-5 parts of Fe2O3, 10-20 parts of polyvinyl alcohol, 30-50 parts of dolomite fiber and 600-800 parts of water. Meanwhile, the fireproof plate is prepared by the following three steps: preparation of the frameworks, filling of the plate core, and pressing of a finished product. By means of the synergistic effect of various refractory materials, the comprehensive property of the fireproof plate can be better enhanced. The multi-layer structure of the fireproof plate is pressed by pressure, so that the structure is compact, and the seal property is good.
Owner:宁波宫铁智能科技有限公司
A mutant strain of Nannochloropsis pseudochloropsis and its application
ActiveCN104293676BImprove performanceImprove environmental adaptabilityUnicellular algaeAlgae medical ingredientsAgricultural scienceNannochloropsis sp.
Owner:ENN SCI & TECH DEV
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