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65 results about "Nuclear body" patented technology
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Method for preparing metal ion imprinting adsorbent with underwater selective recognition performance
InactiveCN102626611ASimple regeneration methodLow costOther chemical processesWater/sewage treatment by sorptionCross-linkIndustrial waste water
The invention provides a method for preparing a metal ion imprinting adsorbent with an underwater selective recognition performance. The method comprises the steps of: preparation of an amino functional material: dispersing a nuclear body material into a methanol solution, slowly adding 3-propylaminoethoxy silane, uniformly stirring, and then, continuously adding a cross-linking agent and a stabilizer to form the amino functional material; and preparation of the metal ion imprinting adsorbent: dispersing the amino functional material in the methanol solution, and exposing to ultrasound to obtain a solution A; dissolving isonicotinic acid and metal template ions in deionized water to form a solution B; dripping the solution B into the solution A, and reacting to obtain a white sol-like product; and eluting the metal template ions: performing Soxhlet extraction by using an acetic acid-methanol solution, then eluting the metal template ions by using a hydrochloric acid, and drying to obtain the metal ion imprinting adsorbent. The metal ion imprinting adsorbent disclosed by the invention can be widely applied to advanced treatment of drinking water as well as enrichment recovery or rapid analysis detection of metal ions in different water bodies, such as industrial waste water, aquaculture water and seawater.
Owner:HARBIN ENG UNIV
Chitosan-polyacrylamide magnetic composite microsphere material, preparation method and application thereof
InactiveCN101882496APromote flocculationGood metal ion adsorptionInorganic material magnetismWater/sewage treatment by flocculation/precipitationMicrosphereHazardous substance
The invention provides a magnetic composite microsphere material, which takes a chitosan-polyacrylamide complex as a packaging material and takes a magnetic material as a nuclear body. The magnetic composite microsphere material is prepared by adopting a reversed-phase suspension cross-linking method, can effectively eliminate hazardous materials in a water body by effects of adsorption, complexation and the like, can also be effectively separated from the water body and recycled by a magnetic separation technique, can be used as a water treatment agent, integrates multiple functions of good flocculation, metal ion absorption, deodorization, decolorization, effective reduction of a COD value and the like, has certain universality, and is applicable to waste water of all enterprises for printing and dyeing, electroplating and the like.
Owner:杨琥
Lithium-rich positive electrode material based on surface modification of MOFs and preparation method thereof
ActiveCN108336316AImprove structural stabilityImprove cycle performanceCell electrodesSecondary cellsCarbonizationLithium-ion battery
The invention discloses a lithium-rich positive electrode material based on surface modification of MOFs and a preparation method thereof, belonging to the technical field of positive electrode materials for lithium ion batteries. According to the invention, a MOFs coating layer is prepared on the surface of a lithium-rich material; metal elements in the MOFs form metal oxides during sintering; acomplex is carbonized on the surfaces of metal oxide particles; reducing effect is exerted on the surface of the lithium-rich material is in the process of carbonization, which induces the formation of a spinel structure on the surface of the lithium-rich material, so the lithium-rich positive electrode material is finally formed; and the lithium-rich positive electrode material comprises a lithium-rich material nuclear body and a spinel structure coating layer formed on the surface of the lithium-rich material nuclear body in situ, and the outer surface of the spinel coating layer is coated with a composite layer containing the metal oxides and carbon. The preparation method of the invention is simple and easily controllable, and the electrochemical performance of the lithium-rich positive electrode material can be significantly improved based on the surface modification of the MOFs.
Owner:TIANNENG SAFT ENERGY JOINT CO
Rare earth complex coated with silicon dioxide and preparation method of rare earth complex
InactiveCN102153576AGood solvent resistanceCost-effectiveStampsGroup 3/13 element organic compoundsOrganic solventRare earth
The invention provides a rare earth complex coated with silicon dioxide and a preparation method of the rare earth complex, wherein the rare earth complex is a particle product formed by using the rare earth complex as a nuclear body and using the silicon dioxide generated after a silicon dioxide precursor is hydrolyzed as a surface coating object. A fluorescence test shows that the fluorescence intensity of the coated rare earth complex is obviously strengthened. Meanwhile, the obtained rare earth complex has the characteristic that the rare earth complex coated with the silicon dioxide is insoluble in an organic solvent. By adopting the method, the cost of rare earth can be reduced to the great extent.
Owner:FUYANG NORMAL UNIVERSITY
Methods of cytodiagnostic staging of neoplasia and squamous cell carcinoma
InactiveUS7258987B2Microbiological testing/measurementPeptide preparation methodsEpitheliumSquamous Carcinomas
Methods of diagnosing whether an epithelial tissue is an abnormal tissue by determining an expression pattern for PML in the epithelial tissue; determining an expression pattern for nuclear bodies in the epithelial tissue; determining SUMO-1 colocalization and comparing the expression pattern for PML and the expression pattern for nuclear bodies with a control are disclosed. Also disclosed are methods for diagnosing whether a subject has mild dysplasia, moderate dysplasia, Type A severe dysplasia, Type B severe dysplasia, cervical squamous cell carcinoma, or poorly-differentiated cervical squamous cell carcinoma, by determining an expression pattern for PML, an expression pattern for nuclear bodies, and SUMO-1 colocalization and determining whether the sample is consistent with expression patterns expected for mild dysplasia, moderate dysplasia, Type A severe dysplasia, Type B severe dysplasia, cervical squamous cell carcinoma, or poorly-differentiated cervical squamous cell carcinoma.
Owner:RGT UNIV OF CALIFORNIA
Loan anti-fraud processing method, device and readable storage medium
InactiveCN109146670AImprove loan experienceImprove processing efficiencyFinanceProtocol authorisationRisk levelRisk rating
The invention discloses a loan anti-fraud processing method, which comprises the following steps: when a loan request exists, obtaining multi-dimensional fraud judgment data related to the loan request; when the loan request exists, obtaining multi-dimensional fraud judgment data related to the loan request; inputting the fraud determination data into a rule engine to perform a risk rating on theloan request and output a risk level; judging whether the risk level is within a specified risk level range; if so, one or more of the combined nuclear body means being used for fraud verification ofthe lender, the nuclear body result being outputted, and the lending decision being determined based on the nuclear body result; if not, a lending decision being determined based on the risk level. The invention also discloses a loan anti-fraud processing device and a computer-readable storage medium. The invention reduces the loan risk, improves the processing efficiency of the loan service and improves the user experience.
Owner:WEBANK (CHINA)
Hollow core-shell nanoparticle and preparation method, test strip and test method
ActiveCN108088994AHigh detection sensitivityStrong SERS activityRaman scatteringDisease diagnosisNanoparticleAlloy
The invention discloses a hollow core-shell nanoparticle and a preparation method, a test strip and a test method. The concentration of determinand in a sample solution can be quantitatively detected,and the detection sensitivity can be improved. The hollow core-shell nanoparticle includes a core body and a shell body, the shell body is located on the outer side of the core body, there is a spacebetween the shell body and the core body, the outer surface and the inner surface of the shell body are marked with Raman molecules respectively, and the outer surface of the core body is marked withthe Raman molecules; the shell body is made of a gold-silver alloy, and the core body is made of gold.
Owner:THE SECOND AFFILIATED HOSPITAL OF NANJING MEDICAL UNIV
Preparation method of attapulgite-carbon nitride-polyaniline composite material and application thereof in anticorrosive paint
InactiveCN105754092AAvoid reunionReduce manufacturing costAnti-corrosive paintsPolyurea/polyurethane coatingsCarbon nitrideGraphite
Owner:CHANGZHOU UNIV
Magnetism/temperature/pH tri-responsive nanogel and preparation method thereof
InactiveCN109745285AEasy to operateMild experimental conditionsOrganic active ingredientsAerosol deliveryCross-linkRelease time
The invention discloses a magnetism / temperature / pH tri-responsive nanogel medicine carrying system capable of carrying combined chemotherapy drug of the breast cancer, namely paclitaxel, and disclosesa preparation method of magnetic nanogel. The preparation method comprises the steps that Fe3O4 nano particles are prepared by adopting a chemically modified coprecipitation method, polyacrylic acid(PAA) and N-isopropylacrylamide (NIPAM) are taken as monomers, divinylbenzene (DVB) is taken as a cross-linking agent, Fe3O4 is taken as a nuclear body material, and the magnetic nanogel is prepared by adopting a miniemulsion co-polymerization method. The preparation method of the magnetic nanogel has the advantages that the magnetic nanogel loaded with the paclitaxel is synthesized through the miniemulsion polymerization method, the operation is simple, the experiment conditions are mild, and the synthesized nanogel is regular in appearance and uniform in dispersion, and has good temperaturesensibility and pH-sensitivity. Test results show that drug encapsulation efficiency is high, and the slow-release time is as long as 14 days.
Owner:JINLING INST OF TECH
Sulfide solid electrolyte of three-layer core-shell structure, preparation method thereof and all-solid-state battery
PendingCN110400967AGuaranteed stabilityReduce the likelihood of a reactionSecondary cellsAll solid stateWater vapor
The invention discloses a sulfide solid electrolyte of a three-layer core-shell structure, and relates to the field of all-solid-state batteries. From inside to outside, the Li-Argyrodite solid electrolyte or LGPS-type solid electrolyte is adopted as a nuclear body, the Li-P-S is adopted as an intermediate layer, and the Li-P-S-O is adopted as a shell layer. In this way, the stability of the sulfide solid electrolyte to lithium metal can be guaranteed. Meanwhile, the possibility of reaction between the sulfide solid electrolyte and water vapor in air can be reduced. The probability that the sulfide solid electrolyte is oxidized when making contact with the positive electrode material is reduced. Moreover, the preparation method is relatively simple and is suitable for large-scale production. In addition, the electrical performance of the all-solid-state battery can be effectively improved by combining the all-solid-state battery with a metal lithium negative electrode and a high-voltage positive electrode.
Owner:ZHEJIANG FUNLITHIUM NEW ENERGY TECH CO LTD
Lithium-rich positive electrode material co-doped by molybdenum and fluorine and coated by spinel in situ, and preparation method thereof
ActiveCN108336318AStable bulk structureImprove surface/interface physical and chemical propertiesCell electrodesLithium-ion batteryMaterials science
The invention discloses a lithium-rich positive electrode material co-doped by molybdenum and fluorine and coated by spinel in situ, and a preparation method thereof, belonging to the technical fieldof lithium ion battery materials. The lithium-rich positive electrode material comprises a molybdenum / fluorine co-doped lithium-rich material nuclear body and a spinel coating formed on the surface ofthe nuclear body in situ. The molybdenum / fluorine co-doped lithium-rich material nuclear body has the molecular formula of Li<1.2-delta>MnNi<b-lambda>Co<c>Mo<lambda>O<2-delta>F<delta>. The preparation method for the material comprises the following steps: firstly, preparing a molybdenum / fluorine co-doped lithium-rich material; then subjecting the molybdenum / fluorine co-doped lithium-rich material to surface treatment with reducing organic acid under certain conditions; and carrying out subsequent sintering to allow the spinel coating to be formed on the surface of the nuclear body in situso as to prepare the lithium-rich positive electrode material with excellent electrochemical properties. The preparation method provided by the invention is simple and easy to control, and can preparethe nano-scale high-performance lithium-rich positive electrode material with good consistency.
Owner:TIANNENG SAFT ENERGY JOINT CO
Preparation method of clay/titanium dioxide/polyaniline conductive composite material
The invention belongs to the field of organic-inorganic composite materials and in particular relates to a preparation method of a clay / titanium dioxide / polyaniline conductive composite material. The preparation method is characterized by synthesizing polyaniline on the surface of a nuclear body by using clay / titanium dioxide as the nuclear body, polyaniline as the shell and sulfuric acid chelated on the clay / titanium dioxide nuclear body during preparation of the clay / titanium dioxide nuclear body as a dopant, thus preparing the clay / titanium dioxide / polyaniline conductive composite material. By adopting the preparation method, on the one hand, the problem of impurity removal of plenty of doping acids caused by washing of the conductive composite material in the washing process for polyaniline conductive composite material preparation is solved, and on the other hand, the problem that plenty of waste acid solutions are generated in the conductive composite material preparation process is solved.
Owner:常州纳欧新材料科技有限公司 +1
Conductive fine particles, method for manufacturing same, conductive resin composition, conductive sheet, and electromagnetic shielding sheet
ActiveCN104170023ALow costGood electrical conductivityNon-insulated conductorsMagnetic/electric field screeningConductive materialsElectromagnetic shielding
Provided are conductive fine particles that are capable of reducing costs, have excellent conductive properties, and can be made thin when, for example, a composition mixed with resin is formed into a sheet shape. The conductive fine particles according to the present invention are formed of a nuclear body comprising a conductive material, and a covering layer comprising another conductive material that covers the nuclear body, whereof at least a portion forms the outermost layer. A circle diameter coefficient obtained from the following formula (1) is between 0.15 and 0.4, and at least one of a cut that has an outer edge shape and a branching leaf is provided in a plural number. [Formula 1] circle diameter coefficient = (area×4pi) / (perimeter)2sssFormula (1)
Owner:TOYO INK SC HOLD CO LTD +1
Preparation method of polyaniline nanotubes
ActiveCN103014871AImprove surface activityImprove adsorption capacityPolycrystalline material growthSingle crystal growth detailsHydrofluoric acidALLYL SUCROSE
The invention provides a preparation method of polyaniline nanotubes. The preparation method comprises the steps of: firstly, taking rodlike silicate clay as a nuclear body, conducting surface initiated polymerization to coat polyacrylic acid, and then conducting oxidative polymerization to coat polyaniline, thereby preparing silicate clay / polyaniline composite; and finally dissolving the rodlike silicate clay with hydrofluoric acid, and then conducting duel-doping to polyaniline to obtain conductive polyaniline nanotubes. Polyacrylic acid coated on the surface of the silicate clay has two aspects of advantages that the surface activity of the silicate clay is increased and polyaniline can be easily adsorbed on the surface; polyacrylic acid can play a role in doping polyaniline, so that an acid is not needed to be additionally added into a polyaniline synthesis system; the hydrofluoric acid applied not only can remove a silicate clay template to produce the polyaniline nanotubes, but also can further improve the conductivity of the polyaniline nanotubes; the silicate clay selected as the template has the advantages of no need of painstakingly conducting artificial synthesis, low cost and the like; and the production cost can be further lowered.
Owner:CHANGZHOU UNIV
Face-scanning temperature measuring and checking method and device, and equipment
ActiveCN111461092AIncrease costLow costCharacter and pattern recognitionSensing radiation from moving bodiesForehead temperatureRadiology
The embodiment of the invention discloses a face-scanning temperature measuring and checking method and device, and equipment. The method comprises the following steps: acquiring a two-dimensional image, a depth image and a thermal image containing a to-be-detected face, wherein the two-dimensional image and the depth image are acquired by a nuclear body camera installed in nuclear body equipment,the thermal image is acquired by a thermal imaging camera installed in temperature measurement equipment, and the two pieces of equipment are independent of each other and are relatively fixed in installation position; determining depth information of the to-be-detected face based on the two-dimensional image and the depth image; based on the relative position parameters of the nuclear body camera and the thermal imaging camera and the depth information, determining the position information of the to-be-detected face in the thermal image; based on the position information of the to-be-detected face in the thermal image, determining the position information of the forehead of the to-be-detected face in the thermal image and determining the forehead temperature of the to-be-detected face; and based on the two-dimensional image, the depth image and a user face image library corresponding to the body checking device, performing body checking on a user corresponding to the to-be-detected face.
Owner:ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
Narrowly-dispersed phenol-phenolic varnish resin preparation method and narrowly-dispersed phenol-phenolic varnish resin obtained by means of the preparation method
The invention provides a narrowly-dispersed phenol-phenolic varnish resin preparation method, and the narrowly-dispersed phenol-phenolic varnish resin which is narrow in molecular weight distribution, and takes phenols and aldehydes as raw materials is obtained in high yield. The narrowly-dispersed phenol-phenolic varnish resin preparation method is characterized by comprising following steps of (a) adding phenol and formaldehyde into bisphenol F with the amount of two nuclear bodies being detected to be more than 85 % by area by means of gel permeation chromatography, reacting the above materials in the presence of acid catalyst, and removing acid catalyst, water and unreacted phenol in the obtained reaction product, and obtaining a rough phenol-phenolic varnish resin; (b) removing evaporation component taking the dicaryon as the main component from the rough phenol-phenolic varnish resin by means of a distillation operation, and obtaining a narrowly-dispersed phenol-phenolic varnish resin with the amount of two nuclear bodies being detected to be lower than 20 % by area by means of gel permeation chromatography, and the amount of high molecular weight bodies of more than six nuclear bodies being detected to be lower than 12 % by area by means of gel permeation chromatography.
Owner:KUKDO CHEM CO LTD +1
Process for Producing Resorcinol-Formalin Resin
A process for producing a resorcinol-formalin resin containing no salts, having a moderate flowability when transformed into an aqueous solution, and having a reduced content of resorcinol monomer and a reduced content of resorcinol-formalin resin of resorcinol pentanuclear or higher nuclear bodies, the whole steps including an one-stage reaction and liquid-liquid distribution being conducted in the same reactor, which comprises adding resorcinol, an inorganic salt, and an organic solvent having a solubility parameter of 7.0 to 12.5 to a water solvent, stirring the mixture to give a two-phase system containing no remaining solid matter, adding an acid catalyst, adding formalin dropwise into the reaction system to cause a liquid-liquid heterogeneous reaction to proceed, removing the aqueous layer, adding an organic solvent and water to the reaction product layer, the amount of the water being half of the amount of the organic solvent, stirring the resulting mixture, allowing it to stand, and then removing the aqueous layer to obtain the resorcinol-formalin resin.
Owner:HODOGAYA KAGAKU IND
Molybdenum diselenide@ nitrogen-doped carbon dodecahedronal nuclear-body sodium ion battery negative electrode material, preparation method thereof and sodium ion battery
InactiveCN109786682AUnique core-shell structureHigh reversible capacityMaterial nanotechnologyCell electrodesNew energySodium-ion battery
The invention relate to a molybdenum diselenide@ nitrogen-doped carbon dodecahedronal nuclear-body sodium ion battery negative electrode material, a preparation method thereof and a sodium ion battery, and belongs to the technical field of a new energy material. The molybdenum diselenide@ nitrogen-doped carbon dodecahedronal nuclear-body sodium ion battery negative electrode material comprises a core and a shell, wherein the shell is coated on a surface of the core, the core is a nitrogen-doped carbon dodecahedronal nuclear body, and the shell is a molybdenum diselenide nanosheet. The molybdenum diselenide@ nitrogen-doped carbon dodecahedronal nuclear-body sodium ion battery negative electrode material has a unique core-shell structure, the nitrogen-doped carbon dodecahedronal nuclear bodyis used for providing an enough space for sodium ion storage and electron transmission, so that the advantages of relatively high reversible capacity, high stability, long cycle lifetime and the like, and the molybdenum diselenide@ nitrogen-doped carbon dodecahedronal nuclear-body sodium ion battery negative electrode material is a favorable sodium ion battery negative electrode material and haslong-term development prospect. The molybdenum diselenide@ nitrogen-doped carbon dodecahedronal nuclear-body sodium ion battery negative electrode material has the advantages of low cost, no toxicity,no pollution and the like.
Owner:XINYANG NORMAL UNIVERSITY
Preparation method of seed crystal-free fine monocrystal diamond micro-powder
InactiveCN104164659AWith characteristicsHave made significant progressChemical vapor deposition coatingPretreatment methodOctahedron
The invention discloses a preparation method for seed crystal-free fine monocrystal diamond micro-powder. The preparation method comprises the following steps of: uniformly and independently dispersing nuclear bodies on a silicon-based substrate by adopting a matrix self-nucleation substrate pre-treatment method; depositing the pre-treated silicon-based substrate by using a hot filament chemical vapour deposition method which comprise two phases, namely diamond nucleation and diamond grain growth, so as to obtain diamond monocrystal grains with regular crystalline forms; and treating the obtained diamond monocrystal grains by combining the process of chemical corrosion to the silicon-based substrate and a high-speed grain centrifugal sedimentation process so as to obtain the fine monocrystal diamond micro-powder. The proportion of crystals of high-grade hexahedral to octahedral poly-crystal shapes or icosahedral poly-crystal shape in the fine monocrystal diamond micro-powder obtained by the preparation method disclosed by the invention is high; the fine micro-powder obtained by the method is preponderant in terms of crystalline form and surface quality; and moreover, the process flow is simple, the obtained micro-powder has intensive size distribution, and a granularity screening process for the micro-powder can be omitted.
Owner:SHANGHAI JIAO TONG UNIV +2
Negative electrode material and manufacturing method therefor, and battery and manufacturing method therefor
InactiveCN107302081AIncrease capacityImprove conductivityCell electrodesLi-accumulatorsLithiumCharge discharge
Embodiments of the invention disclose a negative electrode material and a manufacturing method therefor, and a battery and a manufacturing method therefor. The negative electrode material comprises a carbon-containing nuclear body and a shell which coats the surface of the carbon-containing nuclear body; the shell only allows electrons and ions to pass through, wherein the theoretical capacity of the carbon-containing nuclear body for lithium ions is higher than that of the shell for lithium ions; and in a charge-discharge state, the deformation of the shell is smaller than that of the carbon-containing nuclear body, so that the battery manufactured by the negative electrode material provided by the embodiments can obtain high capacity and high conductivity as the carbon-containing nuclear body; in addition, the carbon-containing nuclear body can be isolated by the shell, so that the problems of low initial efficiency and short cycle life of the battery manufactured by the carbon-containing nuclear body caused by poor compatibility between the carbon-containing nuclear body and an electrolyte can be avoided; and the capacity of the battery is increased.
Owner:HUAWEI TECH CO LTD
Displacement spring and artificial intervertebral disk with displacement spring
InactiveCN101828978AWide angle of torsional movementBroad twistSpinal implantsAxial pressureEngineering
The invention discloses a displacement spring and an artificial intervertebral disk with the displacement spring, in particular an artificial intervertebral disk which can buffer the axial pressure by using the displacement spring. The artificial intervertebral disk comprises the displacement spring, wherein the displacement spring comprises a substrate, an inclined plate and an end sheet; the substrate is provided with a first hollow rupture; the inclined plate is provided with a first connecting side which is connected with one side of the first rupture, so that an angle is formed between the inclined plate and the substrate; the inclined plate is provided with a second hollow rupture; and the end sheet is provided with a second connecting side which is connected with one side of the second rupture, so that an angle is formed between the end sheet and the inclined plate and the end sheet is parallel to the substrate. The artificial intervertebral disk which is provided with the displacement spring is provided with an upper end plate, a lower end plate, a nuclear body and a joint body, wherein the upper end plate and the lower end plate are connected with a lower side plane and an upper side plane of the vertebral body; the nuclear body is matched and tightly contacted with the joint body and arranged between the upper end plate and the lower end plate. Therefore, the artificial intervertebral disk has wide motion angle and the function of buffering the axial pressure.
Owner:FARMAR LICENSING
Modelling pearl nucleus for pearl culture and preparation method thereof
InactiveCN101366364AStrong three-dimensional senseHigh economic valueClimate change adaptationPisciculture and aquariaConchSoft materials
The invention relates to a moulding pearl nuclear used for pearl culture, which comprises a moulding pearl nuclear body. The moulding pearl nuclear used for pearl culture is characterized in that the moulding pearl nuclear body is a composite moulding nuclear body consisting of a soft moulding outer die and a hard moulding inner die which is positioned inside the soft moulding outer die and has the function of supporting. Due to adoption of the structure of the composite nuclear body consisting of the soft moulding outer die and the hard moulding inner die, the advantages of soft materials and hard materials are skillfully combined together, so as to make the moulding pearl nuclear have the advantages during the process of pearl culture: not only the combination tightness of the pearl nuclear and conchs can be effectively improved but also mantles of pearly shellfishs are difficult to frazzle and the bead rate is high; and simultaneously the overall moulding of beads can be guaranteed to be regular and have strong depth perception, and the economic value is high. The invention also relates a method for manufacturing the moulding pearl nuclear. The moulding pearl nuclear and the method can be widely applied to the culture of various pearls.
Owner:谢绍河 +1
Ketone-modified resorcinol-formalin resin
ActiveUS20090018304A1Less deteriorationImprove adhesionAldehyde/ketone condensation polymer adhesivesPolymer scienceKetone
It is an object of the invention to provide a ketone-modified resorcinol-formalin resin, which has a moderate flowability when transformed into an aqueous solution and has both a reduced content of resorcinol monomer and a reduced content of resorcinol-formalin resin of resorcinol pentanuclear or higher nuclear bodies. The invention relates to a ketone-modified resorcinol-formalin resin, which is produced by a two-step reaction and wherein a peak area corresponding resorcinol monomer is 3 to 9% and a peak area corresponding to resorcinol pentanuclear and higher nuclear bodies is 30 to 55% relative to the total peak area obtained by gel permeation chromatographic analysis of the resorcinol-formalin resin.
Owner:HODOGAYA KAGAKU IND
Iteration method and device of kernel model
PendingCN110263618AUnleash the ultimate performanceHigh precisionCharacter and pattern recognitionAlgorithmFeature data
The invention provides an iteration method and device for a kernel model, and the method comprises the steps: carrying out the desensitization of received data, and extracting and screening feature data from the desensitized data; selecting hyper-parameters from the feature data according to the state of the nuclear body model, and training the nuclear body model; and evaluating the trained nuclear body model, and after the evaluation is qualified, putting the iterated nuclear body model on line. The problem that the performance of the deep learning algorithm is influenced by data change because the distribution of the test data and the distribution of the training data are changed due to different time is solved; meanwhile, the problem that the performance of the deep learning algorithm is affected by data change due to the fact that the distribution of test data and the distribution of training data change due to different scenes is also solved; according to the method provided by the invention, the updated model can be adaptive to each scene, the extreme performance of the algorithm is brought into play, and the nuclear body verification accuracy of the algorithm is improved.
Owner:ADVANCED NEW TECH CO LTD
Nucleic acid detection microsphere and preparation method thereof, kit and high-throughput nucleic acid detection method
ActiveCN111206081AMicrobiological testing/measurementAgainst vector-borne diseasesNucleic acid detectionMicrosphere
The invention provides a nucleic acid detection microsphere and a preparation method thereof, a kit and a high-throughput nucleic acid detection method. The nucleic acid detection microsphere is composed of nuclear bodies with fluorescence coding information and a coating layer of primers or probes. A variety of the nucleic acid detection microspheres are randomly distributed into micro-droplets generated by a nucleic acid reaction solution of a to-be-detected sample. When a temperature rises to 60 DEG C or above, the coating layers melt, and the primers and the probes are released into the nucleic acid reaction solution of the to-be-detected sample, so a complete nucleic acid amplification reaction system is formed; and the fluorescence coding nuclear bodies are left in a nucleic acid amplification solution and serve as fluorescence labels for marking the micro-droplets. By detecting the nuclear bodies with fluorescence coding information in each micro-droplet, the micro-droplet withonly one nuclear body is screened out as an effective droplet and subjected to subsequent analysis to obtain primer and probe types in the effective micro-droplet; and then a report fluorescence signal after a nucleic acid amplification reaction is read so as to determine whether corresponding to-be-detected target nucleic acid molecules exist in the effective micro-droplet or not.
Owner:思纳福(苏州)生命科技有限公司
Modelling pearl nucleus for pearl culture and preparation method thereof
InactiveCN101366364BImprove qualityWon't wear outClimate change adaptationPisciculture and aquariaConchSoft materials
The invention relates to a moulding pearl nuclear used for pearl culture, which comprises a moulding pearl nuclear body. The moulding pearl nuclear used for pearl culture is characterized in that the moulding pearl nuclear body is a composite moulding nuclear body consisting of a soft moulding outer die and a hard moulding inner die which is positioned inside the soft moulding outer die and has the function of supporting. Due to adoption of the structure of the composite nuclear body consisting of the soft moulding outer die and the hard moulding inner die, the advantages of soft materials and hard materials are skillfully combined together, so as to make the moulding pearl nuclear have the advantages during the process of pearl culture: not only the combination tightness of the pearl nuclear and conchs can be effectively improved but also mantles of pearly shellfishs are difficult to frazzle and the bead rate is high; and simultaneously the overall moulding of beads can be guaranteedto be regular and have strong depth perception, and the economic value is high. The invention also relates a method for manufacturing the moulding pearl nuclear. The moulding pearl nuclear and the method can be widely applied to the culture of various pearls.
Owner:谢绍河 +1
Colored hollow polymer emulsion and preparation method thereof
The invention provides a colored hollow polymer emulsion and a preparation method thereof. Specifically, the invention relates to a particle containing a dye. The particle comprises: a nuclear body, which is formed on the basis of a first polar material; a transition layer, which is formed on the external surface of the nuclear body on the basis of a second polar material and the first polar material; and a supporting layer, which is formed on the external surface of the transition layer on the basis of the second polar material; wherein the dye is dispersed in at least one selected from the group consisting of the nuclear body, the transition layer and the supporting layer and is in covalent binding with at least one selected from the group consisting of the nuclear body, the transition layer and the supporting layer. Therefore, the nuclear body provides a hydrophilic nucleus structure for the particle and enables the particle containing the dye to have an adjustable multilayer structure; and thus, the application scope of the particle prepared in embodiments in the invention is further broadened.
Owner:TSINGHUA UNIV
Ketone-modified resorcinol-formalin resin
ActiveUS7834124B2Less deteriorationImprove adhesionAldehyde/ketone condensation polymer adhesivesPolymer scienceKetone
It is an object of the invention to provide a ketone-modified resorcinol-formalin resin, which has a moderate flowability when transformed into an aqueous solution and has both a reduced content of resorcinol monomer and a reduced content of resorcinol-formalin resin of resorcinol pentanuclear or higher nuclear bodies. The invention relates to a ketone-modified resorcinol-formalin resin, which is produced by a two-step reaction and wherein a peak area corresponding resorcinol monomer is 3 to 9% and a peak area corresponding to resorcinol pentanuclear and higher nuclear bodies is 30 to 55% relative to the total peak area obtained by gel permeation chromatographic analysis of the resorcinol-formalin resin.
Owner:HODOGOYA CHEMICAL CO LTD
Method for preparing metal ion imprinting adsorbent with underwater selective recognition performance
InactiveCN102626611BSimple regeneration methodLow costOther chemical processesWater/sewage treatment by sorptionCross-linkIndustrial waste water
The invention provides a method for preparing a metal ion imprinting adsorbent with an underwater selective recognition performance. The method comprises the steps of: preparation of an amino functional material: dispersing a nuclear body material into a methanol solution, slowly adding 3-propylaminoethoxy silane, uniformly stirring, and then, continuously adding a cross-linking agent and a stabilizer to form the amino functional material; and preparation of the metal ion imprinting adsorbent: dispersing the amino functional material in the methanol solution, and exposing to ultrasound to obtain a solution A; dissolving isonicotinic acid and metal template ions in deionized water to form a solution B; dripping the solution B into the solution A, and reacting to obtain a white sol-like product; and eluting the metal template ions: performing Soxhlet extraction by using an acetic acid-methanol solution, then eluting the metal template ions by using a hydrochloric acid, and drying to obtain the metal ion imprinting adsorbent. The metal ion imprinting adsorbent disclosed by the invention can be widely applied to advanced treatment of drinking water as well as enrichment recovery or rapid analysis detection of metal ions in different water bodies, such as industrial waste water, aquaculture water and seawater.
Owner:HARBIN ENG UNIV
Universal anil slow-release blended fertilizer and preparation method thereof
InactiveCN104987213ASolve the sustained release rateReduce difficultyFertilizer mixturesNormal growthMedium term
Owner:CHINA THREE GORGES UNIV +2
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