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42results about How to "Suitable for industrial promotion and application" patented technology
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Refrigerator with humidity chamber
InactiveCN104344633AMeeting urgent needsPrecise storage humidity rangeLighting and heating apparatusDomestic refrigeratorsEngineeringCold store
The invention discloses a refrigerator with a humidity chamber. The refrigerator with the humidity chamber comprises a box body; a refrigerating chamber and a freezing chamber are arranged at intervals in the box body; the humidity chamber, which is of a sealing structure relative to the refrigerating chamber, is arranged in the refrigerating chamber; the humidity chamber can adjust the humidity according to different demands, so as to form a drying chamber with the drying function or a humidity maintaining chamber with the humidity maintaining function; the drying chamber and the humidity maintaining chamber can be switched; when drying, the humidity chamber is in air communication with the freezing chamber, and thus the humidity chamber serves as the drying chamber with the drying function; when maintaining the humidity, the humidity chamber serves as the humidity maintaining chamber with the humidity maintaining function. With the adoption of the refrigerator with the humidity chamber, the humidity maintaining environment is provided for keeping foods like vegetables and fruits fresh and storing the foods; in addition, the low-humidity drying environment which is beneficial for the storage of tea, cigarette and other dry goods can also be provided, and as a result, the active demand of a consumer can be met.
Owner:SUZHOU SAMSUNG ELECTRONICS CO LTD +1
AFP (Alpha-Fetoprotein) testing kit (time-resolved fluoroimmunoassay) for prenatal screening and preparation method thereof
ActiveCN101819206AImprove accuracyHigh sensitivityBiological testingBlood specimenPrenatal screening
The invention relates to an alpha-fetoprotein testing kit (time-resolved fluoroimmunoassay) applicable for mid-pregnancy prenatal screening and a preparation method thereof. The kit comprises the following main components of an experimental buffer solution, a concentrated washing solution, an enhancement solution, a reaction plate, a standard product and a quality control product of filter paper dried blood spots and a europium marker. The method for preparing the kit according to the invention comprises the following steps of: 1. preparing the experimental buffer solution, the concentrated washing solution and the enhancement solution; 2. coating the reaction plate; 3. preparing the standard product and the quality control product; 4. preparing the europium marker; 5. separately loading; 6. sticking labels; and 7. assembling into a finished product. The invention has the characteristics that the accuracy and the sensitivity of a detected result are high, the stability is good, and a detecting method is economical, convenient and safe and has no traumatic property, has high automation degree, and the like. A filter paper dried blood spot technology is applied to prenatal screening work, which is beneficial to blood specimen collection, storage and transportation and ensures the experimental reliability.
Owner:GUANGZHOU FENGHUA BIOENG
Small crispy pork slices and preparation method thereof
InactiveCN106578970AAttractive golden colorThe taste is soft and smoothFood scienceChemistrySodium triphosphate
The invention relates to the technical field of food processing, and in particular relates to small crispy pork slices and a preparation method thereof. The small crispy pork slices are prepared by coating the surfaces of pickled pork bars with a sizing agent and frying the pickled pork bars with oil, wherein the pickled pork bars are prepared from the following raw materials: edible livestock pork, eggs, edible salt, sodium tripolyphosphate, sodium bicarbonate, citric acid, seed powder of Chinese prickly ash, fennel powder, tsaoko cardamon powder, nutmeg powder, cassia powder, white pepper powder and water; the sizing agent is prepared from the following raw materials: water, sweet potato starch, wheat flour, plant oil, polyglycerin ricinoleate, sucrose fatty acid ester, D-sodium ascorbate, dyestuff and eggs. Compared with conventional small crispy pork slices, the small crispy pork slices provided by the invention are golden and attractive in color, loosened and soft and smooth and tender in taste and applicable to industrial large-scale production, so that traditional delicious food of China can be inherited.
Owner:HENAN ZHONGPIN FOOD IND
Compound microbial preparation for degrading phenol endocrine disrupter and preparation method
ActiveCN105219684ASimple processOptimal treatment processBacteriaWater contaminantsBacillus licheniformisHigh concentration
The invention relates to a compound microbial preparation for degrading phenol endocrine disrupter and a preparation method, and relates to microorganism projects and sewage and waste water treatment processes. The compound microbial preparation comprises Klebsiella sp., azospirillum lipoferum, rhodococcuserythropolis and bacillus licheniformis. The microbial content of Klebsiella sp. accounts for 30%-50% of the total microbial content. The microbial content of azospirillum lipoferum accounts for 30%-50% of the total microbial content. The microbial content of rhodococcuserythropolis accounts for 10%-30% of the total microbial content. The microbial content of bacillus licheniformis accounts for 10%-30% of the total microbial content. The compound microbial preparation is fed into an anaerobic tank and an aerobic tank, and the sewage and waste water treatment processes are enhanced. The compound microbial flora can tolerate the high-concentration phenol endocrine disrupter which is used as organic matter needed in growth for being fully utilized and degraded, the sewage and waste water treatment processes are optimized, the secondary pollution of output water and sludge is reduced, and the safety of sludge landfill and agricultural utilization is improved.
Owner:ANHUI QINGMING ENVIRONMENTAL PROTECTION TECH CO LTD
Terminal carboxyl group SBS, preparation and application thereof in asphalt modification
The invention discloses a terminal carboxyl group SBS, which has an epoxy ring opening flexible bond, an ester bond and a terminal carboxyl group and other structures. The preparation method of the terminal carboxyl group SBS is also disclosed, and active anionic SBS block polymer is prepared by using an anionic polymerization method; ring opening reaction is carried out on the anionic SBS block polymer and an epoxy hydrocarbon compound to obtain active oxygen anion SBS block polymer; terminal capping reaction is carried out on the active oxygen anion SBS block polymer and an acid anhydride compound; after the terminal capping reaction is finished, the terminal carboxyl group SBS is obtained after termination and post-treatment. Besides, the invention also discloses the application of theterminal carboxyl group SBS to asphalt modification. The terminal carboxyl group SBS can obviously improve the comprehensive performance of the asphalt and reduce a segregation value, thereby improving the transportation storage stability of modified asphalt. Besides, the preparation method of the terminal carboxyl group SBS is simple and is easy in industrialized implementation.
Owner:CHINA PETROLEUM & CHEM CORP +1
An antiallergic compound flavone composition, and a preparing method and applications thereof
InactiveCN105963342AActive anti-allergic ingredientsProduct quality is easy to controlCosmetic preparationsToilet preparationsMedicineSaposhnikovia
The invention relates to an antiallergic compound flavone composition. The composition is prepared from 1-50 parts by weight of liquorice root, 1-90 parts by weight of camomile and 5-80 parts by weight of divaricate saposhnikovia root. A preparing method and applications of the composition are also disclosed. Three active flavones of different structure types of the liquorice root, the camomile and the divaricate saposhnikovia root are reasonably compounded, and are synergistic. The composition has multi-level antiallergic effects.
Owner:广州市络捷生物科技有限公司
Nano vesicles with pH and reduction dual sensitivity as well as preparation method and application thereof
ActiveCN107840952AImplement fixed-point releaseGood synergistic therapeutic effectOrganic active ingredientsPharmaceutical non-active ingredientsPolymer scienceMercaptoethylamines
The invention discloses a nano vesicle with pH and reduction dual sensitivity as well as a preparation method and application thereof, and belongs to the technical field of high polymer chemistry andbiomedical engineering. The nano vesicle contains an amphiphilic polymer with pH and reduction dual sensitivity, wherein the polymer is composed of a hydrophilic section, polyethylene glycol section and a hydrophobic section, poly(aspartyl (di-n-butyl ethylenediamine-co-mercaptoethylamine)-phenylalanine) section; the ratio of the hydrophilic section to the hydrophobic section is 1:11; the nano vesicle also contains a hydrophilic antitumor drug and a hydrophobic antitumor drug. The nano vesicle provided by the invention can bear hydrophilic and hydrophobic drugs at the same time to realize drugtarget release and high-efficiency cooperative treatment on the tumor part, and can be used in vivo for a long time.
Owner:SUN YAT SEN UNIV
Anti-allergic compound polysaccharide composition, preparation method and application thereof
ActiveCN105030562AInhibit active expressionInhibition releaseOrganic active ingredientsCosmetic preparationsOrganic solventArray data structure
The invention relates to an anti-allergic compound polysaccharide composition which is prepared from following components, by weight: 10-90 parts of astragalus membranaceus, 10-90 parts of cortex albiziae and 1-50 parts of radix glycyrrhizae. A preparation method of the anti-allergic compound polysaccharide composition includes the following steps: (1) crushing the raw materials into powder; (2) material feeding: adding water or a water-alcohol mixture by 5-50 times by weight of the powder into the powder; (3) extraction: performing extraction under -0.1-70 MPa at 0-25 DEG C, and performing centrifugal separation and collecting a centrifugate; (4) separation and concentration: removing impurities from the centrifugate through a micro-filtering membrane, and performing classification purification to the polysaccharide through an ultra-filtering membrane being 100-20000 Da in flux. The compound polysaccharide composition has the following beneficial effects: (1) the composition has definite anti-allergic functional components and is easy to control in quality; (2) the composition has a synergistic effect on a sensitizing target point with multiple links, is free of toxic and side effects and is high in safety; (3) the composition is free of contact with organic solvents, is free of residue of toxicity; and the preparation method is simple in process and is easy to carry out, and is suitable for being popularized industrially.
Owner:广州市络捷生物科技有限公司
Eucalyptus oil solution and preparation method thereof
InactiveCN103638112AImprove stabilityGood process repeatabilityPharmaceutical delivery mechanismAntiparasitic agentsBiotechnologyEucalyptus oil
The invention relates to a eucalyptus oil solution for treating animal psoroptic manges and a preparation method thereof, and particularly relates to the eucalyptus oil solution with functions of resisting psoroptic manges of pigs, cows, sheep, rabbits and dogs, and the preparation method thereof. The preparation method comprises the following steps: mixing a stabilizer, a penetrating agent, eucalyptus oil and a solvent, and processing in high-speed mixing and high-pressure homogenization manners. The eucalyptus oil solution has the advantages of being good in preparation stability, high in process repeatability, simple in process, strong in maneuverability, reasonable in cost and the like. The prepared eucalyptus oil solution is colorless and transparent uniform liquid and is convenient to coat or spray, and the defects of low volatility, low adhesive rate and the like in direct use of the eucalyptus oil are avoided. The production practice and veterinary clinical trials show that the eucalyptus oil solution provided by the invention has a significant effect for treatment of the animal psoroptic manges.
Owner:SICHUAN AGRI UNIV +3
Filled type potato seed, sowing system, and sowing method
PendingCN109526306ASave labor and production costsReduce shipping and storage costsPotato plantersFurrow making/coveringCell buddingBud
The invention discloses a filled type potato seed, a sowing system, and a sowing method. The potato seed comprises a wrapping member, which wraps a column shaped potato tuber with bud eyes. The potatoautomatic sowing system is characterized by comprising the potato seed described by the claim one or two, a potato seed integrating unit, and an automatic seeder. The potato seed integrating unit comprises a shell for storing and fixing a plurality of potato seeds. The automatic seeder comprises a potato seed integrating unit bearing platform, a guiding rail system, an automatic potato seed recognition position control system, and a hole sowing system. The provided sowing system and sowing method have the advantages that the space is integrated, the manufacturing efficiency is high, the laborcost is low, the transportation cost is reduced, large-scale standardization and industrial production can be realized, and the happening rate of miss-seeding and seedling deficiency is greatly reduced.
Owner:ANHUI AGRICULTURAL UNIVERSITY
Water chestnut-agaric large meatball and preparation method thereof
InactiveCN106616482AHigh nutritional valueHas therapeutic and health effectsFood ingredient as antioxidantSugar food ingredientsWater ChestnutsPhosphate
The invention relates to the technical field of food processing, and in particular relates to a water chestnut-agaric large meatball and a preparation method thereof. Stuffing of the large meatball is prepared from the following raw materials in parts by weight: 60-80 parts of edible livestock and poultry meat, 0.3-0.4 part of phosphate, 8-10 parts of water chestnuts, 4-6 parts of dry agaric, 0.8-1.0 part of edible salt, 0.8-0.9 part of green onion, 0.5-0.6 part of ginger, 0.7-0.8 part of dark soy sauce, 0.4-0.5 part of sesame oil, 1.5-1.8 parts of starch, 1.5-2.0 parts of breadcrumbs, 0.5-0.8 part of xylitol and 63-84 parts of water. The water chestnuts and agaric provide elastic and brittle tastes, nutritional values of the large meatball are improved, balance of vegetables and meat is realized, and the large meatball has dietary therapy and health effects. Further, the water chestnuts are soaked in a soak solution containing white granulated sugar, edible salt and citric acid to be pretreated when being used, so that browning of the water chestnuts is delayed, the texture of the water chestnuts is changed, and the elastic and brittle tastes of the water chestnuts are enhanced.
Owner:HENAN ZHONGPIN FOOD IND
Colla corii asini and amber walnut kernels and preparation method thereof
InactiveCN107484865AGood nourishing valueMeet low sugar needsConfectionerySweetmeatsEdible oilColla corii asini
The invention discloses colla corii asini and amber walnut kernels. The colla corii asini and amber walnut kernels comprise the following raw materials in parts by weight: 1-10 parts of colla corii asini, 100-150 parts of walnut kernels, 30-40 parts of white granulated sugar, 20-25 parts of high maltose syrup, 150-200 parts of edible oil, 10-20 parts of refined honey, and 0.1-0.5 part of soybean phospholipid. According to the colla corii asini and amber walnut kernels, the raw material components are in synergistic effects, so that the colla corii asini and amber walnut kernels have transparent and bright amber color, and are crispy, fragrant and sweet, free from bitter mouth feel, difficult in moisture absorption, and long in quality guarantee period. The colla corii asini and amber walnut kernels have high nourishing value, can well protect respiratory systems, and are good choice in autumn and winter. The invention further discloses a preparation method of the colla corii asini and amber walnut kernels, and the preparation method is simple and convenient to operate, advanced in technology and high in yield and is suitable for industrial popularization and application.
Owner:SHAN DONG DONG E E JIAO
Nano-silver water dispersible granules and preparation method and application thereof
InactiveCN111109294ASolve instabilitySimple preparation processBiocideDisinfectantsChemistryRalstonia
The invention relates to nano-silver water dispersible granules and a preparation method and application thereof. The nano-silver water dispersible granules comprise the following components in percentage by mass: 0.1-92% of nano-silver, 1-20% of a wetting dispersant, 1-15% of a disintegrating agent, 0.1-10% of a binder and 0-95% of filler, and the sum of the components is 100%. The preparation method comprises the following steps: firstly, preparing the nano-silver active compound, the auxiliary agent, the auxiliary and the like into wettable powder, then performing granulating by adopting granulation methods such as extrusion, a turntable and a fluidized bed, finally performing drying at 50-80 DEG C, and performing screening, thereby obtaining the product. Bioactivity test experiments show that the nano-silver water dispersible granules have good inhibitory activity on plant pathogenic bacteria such as Xanthomonas citri, Xanthomonas oryzae pv, ralstonia solannacearum and cabbage softrot bacteria.
Owner:陕西麦可罗生物科技有限公司
Preparation method of non-fusion anti-desmoglein DSG3 rabbit-derived monoclonal antibody
PendingCN111606994AHigh affinityImprove featuresFungiSerum immunoglobulinsPichia pastorisPeripheral blood mononuclear cell
The invention discloses a preparation method of a non-fusion anti-desmoglein DSG3 rabbit-derived monoclonal antibody. The preparation method comprises the following steps: 1) selecting a suitable immune animal, and carrying out DSG3 immunization on the animal; 2) extracting successfully immunized animal blood, collecting peripheral blood mononuclear cells, and separating out a B lymphocyte population capable of secreting a DSG3 antibody; 3) establishing a rabbit-derived single-chain antibody yeast display library; 4) constructing a DSG3 rabbit-derived monoclonal antibody expression vector library; 5) constructing a DSG3 rabbit-derived monoclonal antibody yeast expression library: namely converting a pichia pastoris expression vector PZ recombinant plasmid into yeast expression bacteria X33, and screening X33 recombinant transformation monoclonal bacteria capable of secreting a DSG3 antibody; 6) obtaining a X33 recombinant conversion monoclonal strain that can stably secrete a DSG3 antibody; and 7) purifying the obtained DSG3 rabbit-derived monoclonal antibody. The provided preparation method can prepare a stable DSG3 antibody, has industrial repeatability and is suitable for industrial popularization and application.
Owner:湖南远泰生物技术有限公司
Low-friction-resistance water-based drilling fluid and preparation method thereof
ActiveCN113429948AReduce frictionSmall viscosity coefficientProductsReagentsHorizontal wellsPhosphate
The invention provides a low-friction-resistance water-based drilling fluid and a preparation method thereof, and relates to the technical field of oilfield chemistry. The low-friction-resistance water-based drilling fluid provided by the invention is prepared from the following preparation raw materials in parts by mass: 75-90 parts of water; 10-25 parts of a polyphosphate aqueous solution; 0.1-2.0 parts of an alkalinity regulator; 1.0-4.0 parts of a filtrate reducer; 0.1-0.6 parts of a rheological modifier; 1.0-3.5 parts of an anti-collapse blocking agent; 1.0-3.5 parts of an inhibitor; and 0-100 parts of barite. The low-friction-resistance water-based drilling fluid provided by the invention abandons the technical thought that an oily or water-based lubricant is added into the conventional water-based drilling fluid, is prepared on the basis of a polyphosphate aqueous solution with super-strong lubricity, and has the lubricating property comparable with that of an oil-based drilling fluid. The problems of friction resistance and torque of extended reach wells and horizontal wells can be solved.
Owner:YANGTZE UNIVERSITY +1
Fruit-flavored sulfur-free firecracker explosive flavored twice by steaming and preparation technology thereof
InactiveCN107573200AHigh melting pointLow mechanical sensitivityExplosive working-up apparatusNon-explosive/non-thermic compositionsFruit FlavorFirecracker
The invention relates to a fruit-flavored sulfur-free firecracker explosive flavored twice by steaming. The fruit-flavored sulfur-free firecracker explosive flavored twice by steaming comprises the following components in parts by weight: 30-50 parts of modified barium nitrate, 10-20 parts of potassium perchlorate, 15-25 parts of a fruit flavoring agent, 20-25 parts of copper oxide, 1-10 parts ofpearlite powder and 5-8 parts of charcoal powder. The invention further provides a preparation technology of the fruit-flavored sulfur-free firecracker explosive. The preparation technology comprisesthe following steps: mixing chemicals, screening, flavoring by steaming at low temperature, primarily airing, flavoring by steaming at high temperature, secondarily airing and the like. The fruit-flavored sulfur-free firecracker explosive overcomes the operating problems that bonding of the conventional chemical components and the fruit flavoring agent is not stable and uniform and agglomeration is easily caused, and has the advantages of high melting point, low mechanical sensitivity, strong deliquescence resistance, accordance with an environment-friendly requirement, capability of releasingaroma and the like.
Owner:CHANGSHA XINQIXIANG AUTOMATION TECH
Capsule type potato seed
PendingCN109548429ASuitable for industrial promotion and applicationSave labor costsSeed coating/dressingBudSolanum tuberosum
The invention discloses a capsule type potato seed, which is characterized by comprising a capsule body, wherein potato columnar tubers with bud eyes are coated in the capsule body. Potato seed with bud eyes are made into' artificial seeds' for production and planting, in the production process, the planting time is not limited, industrial production can be preformed, so that the production efficiency is improved, and the transportation cost can be reduced.
Owner:ANHUI AGRICULTURAL UNIVERSITY
Novel turmeric rhizome composite solid preparation and preparation method thereof
PendingCN110464815AGood water solubilityImprove biological activityAntipyreticAnalgesicsSolubilityEmulsion
The invention relates to a turmeric rhizome composite solid preparation which is prepared by taking medicinal and edible resource of turmeric rhizome extracts including curcumin, turmeric volatile oiland turmeric soluble fibers as raw materials. The turmeric rhizome composite solid preparation is composed of the following components in percentage by weight: 0.5%-30% of the curcumin, 0.5%-50% of the turmeric soluble fibers, 1%-10% of the turmeric volatile oil, 0.5%-10% of a food emulsifier and the balance of a filling agent. According to the technology disclosed by the invention, effective components of the curcumin, the turmeric volatile oil and the turmeric soluble fibers of turmeric rhizomes are fully extracted and applied, the turmeric rhizome composite solid preparation is obtained through emulsion homogenizing emulsification, concentration and drying processes, the water solubility and bioavailability of the curcumin are effectively improved, and the turmeric rhizome composite solid preparation can be used as a functional raw material to be applied to the fields of foods, nutritional health-care products, medicines and the like.
Owner:广州市康伦生物技术有限公司
Braze welding packaging and manufacturing method for making fiber bragg grating into double-peak grating
InactiveCN102962538AWide range of measurement applicationsReduce the numberCladded optical fibreSoldering apparatusFiberTemperature control
The invention discloses a braze welding packaging and manufacturing method for making a fiber bragg grating into a double-peak grating. The braze welding packaging and manufacturing method comprises the following steps of: taking one fiber bragg grating at will, wherein a grating forming part of the grating is a naked grating, and the surface is free from any protective layer; carrying out surface metallization to the fiber bragg grating, wherein the metallization thickness is 30-50 micrometers; corroding a half of a surface metallization layer along the grating length direction by nitric acid, and reserving the other half; putting the grating part with the metallization layer into an aluminum alloy tube; guaranteeing that the gap is between 30 and 50 micrometers; putting low-temperature brazing paste between the grating and the inner wall of the aluminum alloy tube, wherein the brazing paste can be medium-and-low-temperature Sn base or Al base brazing paste; putting the aluminum alloy tube and the built-in grating into a temperature-control furnace; heating to be 30-50DEG C above a brazing material melting point; and keeping warm for 20-50 seconds, thus obtaining a double-wavelength fiber bragg grating after slowly cooling. The braze welding packaging and manufacturing method disclosed by the invention has a simple technical process, and the obtained double-peak grating can be used for the field that a plurality of physical quantities are simultaneously subjected to discriminating measurement.
Owner:NANCHANG UNIV
Compound treatment method for cold-chain preservation of gastrodia elata
ActiveCN110771773AExtended shelf lifeReduce weight lossFood preservationGaseous food ingredientsCold chainTraditional medicine
The invention discloses a compound treatment method for cold-chain preservation of gastrodia elata and relates to the technical field of gastrodia elata preservation. The compound treatment method forcold-chain preservation of the gastrodia elata comprises the following steps: preservation pretreatment of fresh gastrodia elata, compound preservation treatment of the gastrodia elata, modified atmosphere packaging treatment and preservation storage of the gastrodia elata. By combination of Nisin and herba sphagni with modified atmosphere treatment, the compound treatment method can effectivelyreduce the weight loss ratio and the rot index, has higher water retention and antibacterial functions, can prolong the refreshing time of the gastrodia elata to 120 days or longer, and is suitable for industrial promotion and application.
Owner:昭通市天麻研究院 +1
High-sensitivity real-time fluorescence detection method
ActiveCN102534033AReduce fluorescence backgroundImprove fluorescence detection signalMicrobiological testing/measurementFluorescence/phosphorescenceFluorescencePolymerase chain reaction
The invention discloses a high-sensitivity real-time fluorescence detection method. The invention provides a method for detecting a target nucleic acid in a detected sample, which comprises: mixing the sample with a polymerase chain reaction(PCR) amplification agent and a fluorescence labeling probe, wherein the nucleic acid part of the fluorescence labeling probe comprises a first complementary sequence, a target nucleic acid specific sequence, a second complementary sequence, and an extension sequence, and the first complementary sequence and the second complementary sequence can complementand match with each other; and performing PCR and real-time fluorescence detection. The invention also provides a detection kit, use of the detection kit in preparation of a detection product, and primers, probes and other reagents used in the detection kit.
Owner:苏州华益美生物科技有限公司
Antimony sulfide-based composite material, and preparation method and application thereof
ActiveCN112072107AImprove conductivitySolve conductivity problemsSecondary cellsNegative electrodesSodium-ion batteryStibnite
The invention discloses an antimony sulfide-based composite material, and a preparation method and application thereof. The antimony sulfide-based composite material is prepared from natural stibniteand a carbon material, and specifically, a solution obtained by dissolving the natural stibnite is mixed with a suspension containing the carbon material, and hydrothermal treatment and calcination treatment are performed to obtain the antimony sulfide-based composite material. The antimony sulfide-based composite material provided by the invention takes natural stibnite as a raw material, avoidsthe problems of environmental pollution and high cost in the process of preparing high-purity antimony sulfide, is simple and efficient in technological process, greatly reduces the preparation cost,is stable and reliable, is wide in application range, and has a wide application prospect as a lithium ion or sodium ion battery negative electrode material.
Owner:CENT SOUTH UNIV
Lithium iron phosphate water-based positive electrode slurry, preparation method thereof and environment-friendly long-circulation lithium ion battery
ActiveCN112952061AImprove stabilityImprove the gel phenomenonCell electrodesSecondary cellsLithium iron phosphatePhysical chemistry
The invention provides a lithium iron phosphate water-based positive electrode slurry, a preparation method thereof and an environment-friendly long-circulation type lithium ion battery. Solid powder lithium iron phosphate, CMC and conductive carbon black are firstly subjected to dry mixing, then deionized water, EC and a PAA solution are added, kneading is performed, then deionized water and CNTs are added, high-rotating-speed dispersion is performed, after the dispersion is finished, an SBR emulsion is added, and mixing is performed to obtain uniform and stable water-based positive electrode slurry; and the water-based positive electrode slurry can be used for preparing the environment-friendly long-circulation type lithium ion battery through the effects of coating and the like. According to the invention, deionized water is adopted as the solvent of the positive electrode slurry, so that the solvent is environment-friendly, secondary recovery is not needed, the source is rich, and the preparation cost is low; and the 25 DEG C cycle performance of a prepared water-based lithium iron phosphate battery cell is as follows: the capacity retention rate reaches about 95% after 1000 cycles. Moreover, the lithium ion battery provided by the invention is good in processing stability.
Owner:WUHU ETC BATTERY LTD
Method for preparing sialic acid by adopting immobilized enzyme
InactiveCN106399289AMild reaction conditionsReduce environmental pollutionOn/in organic carrierIsomerasesFreeze dryImmobilized enzyme
The invention discloses a method for preparing sialic acid by adopting an immobilized enzyme, belonging to the technical field of bioengineering. The method comprises the following steps: dissolving silks after degumming in sodium carbonate solution, carrying out dialysis and drying to obtain fibroin, carrying out crosslinking and curing on the fibroin, isomerases and sialic acid aldolase, thus obtaining the immobilized enzyme, mixing the immobilized enzyme with whey liquid after degreasing, carrying out enzymic catalytic reaction, thus obtaining enzymatic hydrolysate, carrying out centrifugal separation to obtain a supernate, carrying out alcohol precipitation to obtain a sialic acid crude product, re-dissolving the sialic acid crude product in deionized water, removing insoluble impurities, carrying out filtering by adopting a membrane, and carrying out freeze drying to obtain the sialic acid product. The method has the advantages that the reaction conditions are mild, in the whole preparation process, the pollution to the environment is small, the extraction efficiency is high, the operation process is simple and novel, the prepared sialic acid is good in yield and product quality, the yield reaches up to 80% or above, the purity reaches up to 98% or above, and the obtained sialic acid can be widely applied to the technical fields of cosmetics, medicines and other biological medicines.
Owner:袁春华
Wood fixed-length measurement cut-off control device and method for feller
PendingCN114248317AThe overall structure is simple and reliableImprove versatilityMeasurement devicesGuide fencesAgricultural engineeringPiston rod
The invention discloses a wood fixed-length measurement cut-off control device and method for a felling machine in the technical field of hydraulic control of felling machinery, and the device comprises a driving part which outputs a driving signal; the feeding part drives wood to be fed based on the driving signal; the length sensor is used for measuring the feeding length based on the wood feeding process; the device further comprises a length measuring oil cylinder and an energy receiving device, a piston rod of the length measuring oil cylinder is connected with a length sensor, and the length sensor abuts against the wood by adjusting the oil pressure of a cavity of the length measuring oil cylinder through the energy receiving device. The length measuring oil cylinder is dynamically compensated through the energy accumulator, when the diameter of wood changes, the length sensor is kept in abutting contact with the wood, and real-time measurement and accurate control over the length are achieved.
Owner:XCMG EXCAVATOR MACHINERY
Eucalyptus oil solution
ActiveCN106668171AGood stabilityHigh process repeatabilityPharmaceutical delivery mechanismPharmaceutical non-active ingredientsSolventChemistry
The invention relates to a eucalyptus oil solution for treating sarcoptidosis of animals and a preparation method of the eucalyptus oil solution, in particular to a eucalyptus oil solution with resistance to swine sarcoptic mange, sarcoptesbovis, rabbit scabies and canine scabies and a preparation method of the eucalyptus oil solution. The preparation method of the eucalyptus oil solution comprises the step that a stabilizing agent, a penetrating agent, eucalyptus oil, evening primrose oil and a solvent are mixed, stirred at a high speed and homogenized under high pressure, and the preparation method has the advantages of high technological repeatability, simple process, high operability, reasonable cost and the like, and stability of a preparation is good. The prepared eucalyptus oil solution is a colorless and transparent homogenous liquid and is convenient to smear or spray, thereby overcoming defects of low volatility, low adhesive rate and the like caused by direct use of the eucalyptus oil; production practice and veterinary clinical test indicate that the eucalyptus oil solution has an obvious treatment effect on sarcoptidosis of animals.
Owner:SICHUAN AGRI UNIV +3
A method for preparing copper powder and ferrous sulfate using copper-containing sludge wet leaching solution
ActiveCN106521166BHigh economic valueNo emissionsIron sulfatesProcess efficiency improvementSludgeResource utilization
Owner:厦门资生环保科技有限公司
A kind of candida with nematicide activity and its preparation method and application
ActiveCN104263664BGood nematicidal activityNo pollution in the processBiocideFungiMicroorganismAgricultural science
Owner:NANYANG NORMAL UNIV
High-sensitivity real-time fluorescence detection kit and application thereof
ActiveCN102534033BReduce fluorescence backgroundImprove fluorescence detection signalMicrobiological testing/measurementFluorescence/phosphorescenceBioinformaticsFluorescent labelling
The invention discloses a high-sensitivity real-time fluorescence detection method. The invention provides a method for detecting a target nucleic acid in a detected sample, which comprises: mixing the sample with a polymerase chain reaction(PCR) amplification agent and a fluorescence labeling probe, wherein the nucleic acid part of the fluorescence labeling probe comprises a first complementary sequence, a target nucleic acid specific sequence, a second complementary sequence, and an extension sequence, and the first complementary sequence and the second complementary sequence can complementand match with each other; and performing PCR and real-time fluorescence detection. The invention also provides a detection kit, use of the detection kit in preparation of a detection product, and primers, probes and other reagents used in the detection kit.
Owner:苏州华益美生物科技有限公司
A kind of antimony sulfide-based composite material and its preparation method and application
ActiveCN112072107BImprove conductivityLithium intercalation path shortenedNegative electrodesSecondary cellsLithiumSodium-ion battery
The invention discloses an antimony sulfide-based composite material and a preparation method and application thereof. The antimony sulfide-based composite material is prepared from natural stibnite and carbon materials. The suspension of the carbon material is mixed and then subjected to hydrothermal treatment and calcination to obtain the antimony sulfide-based composite material. The antimony sulfide-based composite material provided by the invention uses natural stibnite as raw material, avoids the problem of environmental pollution and high cost in the process of preparing high-purity antimony sulfide, and has a simple and efficient technological process, greatly reduces the preparation cost, and is stable and reliable. , the obtained antimony sulfide-based composite material has a wide range of applications, and has broad application prospects as a negative electrode material for lithium ion or sodium ion batteries.
Owner:CENT SOUTH UNIV
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