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30 results about "Coagulation rate" patented technology
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Enterococcus faecalis HKF7 with lactic acid activity as well as screening culture method and application thereof
ActiveCN108251335AGood hydrophobic activityHigh self-aggregation rateBacteriaClimate change adaptationScreening culturesMicrobiology
The invention relates to Enterococcus faecalis HKF7 with lactic acid activity as well as a screening culture method and application thereof. The classified name of the bacterial strain is Enterococcusfaecalis HKF7, the Enterococcus faecalis HKF7 was preserved in China Center for Type Culture Collection (CCTCC), the preservation number is CCTCC NO:M2017297, and the preservation date is May 31, 2017. The bacterial strain is separated and screened from Hainan tropical aquaculture seawater and the intestinal tracts of Hainan tropical living litopenaeus vannamei. The Enterococcus faecalis HKF7 provided by the invention does not have hemolytic activity, has high hydrophobic activity and high self-coagulation rate, high artificial gastroenteric tolerance, high cholate tolerance and high bacteriostatic ability. The litopenaeus vannamei is fed with the Enterococcus faecalis HKF7 serving as a feed additive; and through culture test verification, the Enterococcus faecalis HKF7 can improve the immunity of the organism, promotes the growth of the litopenaeus vannamei, has stable effect and is a bacterial strain with good application prospect.
Owner:HAINAN UNIVERSITY
Silicone acrylic emulsion modified magnesium-containing inorganic adhesive for straws and preparation method of silicone acrylic emulsion modified magnesium-containing inorganic adhesive
ActiveCN105694739AHigh strengthImprove water resistanceMacromolecular adhesive additivesInorganic adhesivesAdhesivePolymer chemistry
The invention discloses a silicon acrylic emulsion modified magnesium-containing inorganic adhesive for straws. The adhesive is prepared from, by weight, 100 parts of magnesium chloride hexahydrate, 44-61 parts of magnesium sulfate heptahydrate, 218-298 parts of light calcined magnesia, 167-202 parts of water, 10-43 parts of silicone acrylic emulsion and 4-9 parts of dispersant. Adhered products prepared with the adhesive are high in water resistance, strength and toughness and appropriate in coagulation rate. The invention further discloses a preparation method of the silicone acrylic emulsion modified magnesium-containing inorganic adhesive. The method includes steps: feeding water into a reaction kettle, heating, adding the magnesium chloride hexahydrate, and stirring at a constant speed to obtain a magnesium chloride solution; slowly adding the magnesium sulfate heptahydrate into the magnesium chloride solution, and stirring at a constant speed; adding the light calcined magnesia into the reaction kettle, and stirring at a constant speed; slowing dripping the silicone acrylic emulsion into the reaction kettle, adding the dispersant after dripping is finished, stirring and cooling to obtain the adhesive.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
Preparation method of organosilicon styrene-acrylate fine emulsion
The invention discloses a preparation method of an organosilicon styrene-acrylate fine emulsion, which comprises the following steps: mixing styrene, an acrylate monomer, organosilicon monomers and a stabilizer, and completely dissolving by stirring to obtain an oil-phase mixture, wherein the organosilicon monomers comprise non-functional organosilicon monomers and functional organosilicon monomers, and the non-functional organosilicon monomers are at least one of methyltrimethyl(ethyl)oxysilane, propyltrimethyl(ethyl)oxysilane and phenyltrimethyl(ethyl)oxysilane; dissolving an emulsifier in water, and stirring uniformly to obtain a water-phase mixture; and adding the oil-phase mixture into the water-phase mixture, carrying out hydrolysis-emulsification reaction, carrying out ultrasonic fine emulsification, and carrying out fine emulsion polymerization reaction on the mixed solution at 60-100 DEG C under oxygen-free conditions to obtain the organosilicon styrene-acrylate emulsion. The silicon content and solid content of the organosilicon styrene-acrylate fine emulsion are higher, and the coagulation rate can be lowered to 1% below.
Owner:ZHEJIANG UNIV
Preparation method for silicone-acrylic miniemulsion
Owner:ZHEJIANG UNIV
Method for improving distribution of SiC particles in magnesium matrix composite material under action of low-voltage pulse magnetic field
InactiveCN103924116ANo pollution in the processWill not polluteMagnesium matrix compositeLow voltage
The invention discloses a method for improving distribution of SiC particles in a magnesium matrix composite material under the action of a low-voltage pulse magnetic field. The method comprises the following steps: firstly adding the SiC particles into a magnesium alloy fusant, uniformly stirring, and then pouring the alloy fusant into a die of a pulse magnetic field coagulation device so that the composite material fusant is completely concreted under the action of the low-voltage pulse magnetic field. The method is environmentally friendly, simple in process, convenient to operate, easy to control and less in cost and investment. By utilizing the method, only the intensity of the pulse magnetic field and the coagulation rate of the alloy need to be controlled. By utilizing the method, pollution does not exist, and the pulse magnetic field is not directly contacted with the alloy fusant so as not to generate pollution on the fusant and generate pollution on the environment.
Owner:NANCHANG HANGKONG UNIVERSITY
Lactococus lactis HKS2 having lactic acid activity and separating and screening method and application thereof
ActiveCN107964524AImprove securityStrong ability to antagonize pathogenic bacteriaBacteriaMicroorganism based processesHigh resistanceScreening method
The invention relates to Lactococus lactis HKS2 having lactic acid activity and a separating and screening method and application thereof. A classification name of the strain is Lactococus lactis HKS2which is already collected at the China Center for Type Culture Collection on 31st May, 2017 under a collection number of CCTCC NO:M2017296. The strain is obtained by separating a mixture of Hainan tropical aquaculture seawater and penaeus vannamei gastrointestinal tract. The Lactococus lactis HKS2 has no hemolytic activity, has high hydrophobic activity, self-coagulation rate, high resistance toartificial gastrointestinal fluid and cholate and high bacteriostatic ability. Aquaculture experiments verify that the Lactococus lactis HKS2 when serving as a feed additive to be fed to penaeus vannamei can improve organism immunity and promote growth, is stable in effect and has good application prospect.
Owner:HAINAN UNIVERSITY
Coagulator suitable for making bean curd and preparation method thereof
InactiveCN106490178AControl the speed of solidificationIncrease elasticityCheese manufactureFood scienceFood additiveChloride
The invention relates to a coagulator suitable for making bean curd. The coagulator is mainly prepared by mixing raw materials including food additive structure improver, edible fat and oil and a magnesium chloride solution, wherein in the raw materials, the weight of the food additive structure improver accounts for 0.1-5% of the total weight of the edible fat and oil and the magnesium chloride solution, and the weight of the edible fat and oil accounts for 30-70% of the total weight of the edible fat and oil and the magnesium chloride solution, and in the magnesium chloride solution, the mass concentration of magnesium chloride is 20-40%. The invention further discloses a preparation method of the coagulator. In the coagulator, the magnesium chloride is emulsified and dispersed in the edible fat and oil. In use, an appropriate amount of the coagulator is added in soybean milk, and due to the fact that the magnesium chloride after being dispersed can be slowly released, coagulation rate of the soybean milk can be controlled, elasticity of the bean curd is enhanced, the bean curd has a sufficient water-retaining property, and therefore various types of delicious marinated bean curd can be made.
Owner:LIANYUNGANG RIFENG CALCIUM & MAGNESIUM
Fluoroaluminate cement and preparation method thereof
InactiveCN104761163AHas fast hardeningImprove early strengthCement productionMaterials preparationSlag
Disclosed are fluoroaluminate cement and a preparation method of the fluoroaluminate cement, which relate to the field of a building material. The fluoroaluminate cement comprises the following components, by mass: (1) 60.0-75.0% of fluoroaluminate cement clinker, (2) 5.0-20.0% of fluorine iron mine, (3) 5.0-10.0% of emery, (4) 5.0-20.0% of polished tile waste residue, (5) 2.0-5.0% of a delayed coagulant, and (6) 2.5-5.0% of gypsum. The preparation method of the fluoroaluminate cement comprises: (1) material preparation, (2) pulverizing, and (3) powder grinding. The fluoroaluminate cement provided in the invention has characteristics of fast coagulation rate, early strength, high strength, stable performance, and uniform quality; various slag and waste are effectively utilized; a new way of source reuse is provided; and the fluoroaluminate cement is a relatively ideal cement material.
Owner:苏州市德莱尔建材科技有限公司
High-efficiency retarding water reducer for concrete and preparation method thereof
The application discloses a high-efficiency retarding water reducer for concrete and a preparation method thereof. The high-efficiency retarding water reducer comprises a water reducer A, a retarder B, a retarder C and a shrinkage reducing agent D, wherein the ratio of the water reducer A, the retarder B, the retarder C and the shrinkage reducing agent D is 1,200:20:10:1; the water reducer A comprises the following components in parts by weight: 1,200 to 1,400 parts of a naphthalenesulfonic acid-formaldehyde condensate water reducer and 400 to 500 parts of an amino acid salt water reducer; the retarder B comprises 90 to 100 parts by weight of castor oil; the retarder C comprises the following components in parts by weight: 300 to 400 parts of calcium carbonate, 64 to 74 parts of citric acid and 50 to 60 parts of sodium triphosphate; the shrinkage reducing agent D comprises 2 to 3 parts by weight of cellulose ether. After being used, the high-efficiency retarding water reducer for the concrete can be stirred and mixed for a short time to be rapidly dissolved and dispersed in water, and can be stored for a long time; the coagulation rate is low, and the strength is strengthened.
Owner:陈凯
Method for preparing silicone modified polyacrylate mini-emulsion
The invention discloses a method for preparing silicone modified polyacrylate mini-emulsion. The method comprises the following steps: (1) adding hexadecyl alcohol into a mixture of an acrylate monomer and a silicone monomer, and stirring for 1-3 hours to obtain an oil-phase mixture; (2) dissolving an emulsifier into water, and stirring for 1-2 hours so as to obtain an aqueous phase mixture; (3) adding the oil-phase mixture obtained in the step (1) into the aqueous phase mixture obtained in the step (2) according to a mass ratio of 1:1, stirring, and carrying out an ultrasonic reaction for 15minutes; (4) stirring the mixture obtained in the step (3) in a nitrogen atmosphere for 30-50 minutes; and (5) raising the temperature to 60 DEG C, adding a reducing agent (hydrogen sulfite), adding an oxidizing agent (potassium persulfate), and reacting for 4-6 hours, thereby obtaining the product. According to the silicone modified polyacrylate mini-emulsion prepared by the method provided by the invention, the coagulation rate is as low as 0.81%, the particle size is as low as 76nm, the particle size distribution is only 0.12, and the stability is excellent.
Owner:SHAANXI SHENGMAI PETROLEUM
Method for improving migration velocity of smoke in electric precipitator and device
InactiveCN101298064AGet rid of the bondageReduce complex reactionsExternal electric electrostatic seperatorElectrode constructionsCoagulation rateDirect current
The invention relates to a method for promoting the smoke dust migrating velocity of an electric precipitator, which pertains to the technical fields of gas discharge physic and environment engineering, etc. The method arranges a discharge electrode at the mid plate clearance between two adjacent collecting electrode plates, and the discharge electrode is close to the outlet end of the clearance; the migrating direction of smoke dust is the same as the flowing direction of fume; the side clearance interval of the two collecting electrode plates at the direction of facing the gas flow is about 30 percent of the width of collecting electrodes; the fume flowing speed passing the side faces of the two collecting electrode plates is 5m / s to 25m / s; the voltage of direct current applied to the discharge electrode is 20-56kV. The method promotes the ion transport rate and the ion concentration of the discharge clearance as well as increasing the charged coagulation rate of the smoke dust, thereby promoting the smoke dust migrating velocity of the electric precipitator and solving the problems of poor performance, large volume, large roller steel consumption and high operation cost, etc. caused by the low migrating velocity of the smoke dust in the electric precipitator.
Owner:JIANGSU UNIV
Method for determining severity of hemophilia, blood specimen analyzer and computer readable medium
InactiveUS20180031539A1Material analysis by observing effect on chemical indicatorDisease diagnosisBlood specimenSeverity/Intensity
Disclosed is a method for determining the severity of hemophilia, the method including the steps of: coagulating a blood specimen to acquire a coagulation waveform; acquiring an average change rate of a coagulation rate from the coagulation waveform; and determining the severity of hemophilia in the blood specimen based on the average change rate of the coagulation rate.
Owner:NARA MEDICAL UNIVERSITY +1
Color toner prepared by emulsion polymerization-coagulation one-step method and method thereof
ActiveCN109143802ASimple production processIncrease productivityDevelopersPolymer scienceAcrylic resin
The invention discloses a color toner prepared by an emulsion polymerization-coagulation one-step method and a method thereof. Multiple groups of latex particles with styrene-acrylic resin coated withpigment, wax and a charge control agent are prepared by in-situ emulsion polymerization. During the deceleration of polymerization, coagulant was added to make the particles coagulate with each other, and then the final color toner is obtained by steps of external addition and the like. The invention has the following advantages: 1) adopting a polymerization-coagulation method one-step method, coagulant is added in the deceleration period of polymerization, and the growth and curing of flocs and the polymerization of monomers in latex particles are carried out simultaneously, so as to simplify the production process and improve the production efficiency; 2) that tedious proces of cooling, dilute and re-heating the emulsion by the traditional polymerization method is avoided, and the preparation time is greatly shortened; 3) The coagulation of latex particles at high temperature improves the coagulation rate of latex particles, which is advantageous to obtain the composite particles with high conversion rate, and the rapid cooling after coagulation is advantageous to obtain the quasi-toner particles with good sphericity and narrow particle size distribution.
Owner:NANJING UNIV OF SCI & TECH
Irrigation device for grape growing
InactiveCN108522225ACoagulation rate decreasedAvoid root rotWatering devicesCultivating equipmentsCellular respirationMicrobubbles
The invention provides an irrigation device for grape growing. The irrigation device includes an irrigation device main body and an irrigation pipe, wherein the irrigation pipe comprises a main pipe and a connecting pipe, one end of the main pipe is provided with a first pipe joint, and the connecting pipe is connected with the main pipe through the first pipe joint, the bottom of the main pipe isprovided with a fixing rod, and the top of the irrigation device main body is provided with a microbubble machine. The irrigation device is provided with the microbubble machine, and the microbubblemachine can generate microbubble water to irrigate grape vines, which helps leaves and fruits of the grape vines to fully absorb water and improve the quality and yield of the fruits and vegetables; and the microbubble water can also provide oxygen for the respiration of the root of the grape vines, thereby protecting the grape vines from root rot cause by hypoxia. According to the irrigation device, stable and uniform microbubbles can be implemented, and the microbubble coagulation rate is reduced.
Owner:ZHONGNING ZHICAI TECH SERVICES CO LTD
Solid waste-based thermally-induced coagulation 3D printing material and 3D printing forming method thereof
ActiveCN113354380AControllable clotting timeThermocoagulationAdditive manufacturing apparatusCement production3d printGrog
The invention relates to a solid waste-based thermally-induced coagulation 3D printing material and a 3D printing forming method thereof. The preparation method of the 3D printing material comprises the following steps: 1) mixing steel slag, a phase change material and a thermally-induced coagulation accelerator to obtain a material A; 2) mixing water, a polycarboxylic acid super plasticizer and a rheology modifier to obtain a material B; 3) adding the cement clinker, the silica fume, the slag and the ardealite into a stirrer, and uniformly stirring to obtain a solid waste-based cementing material; and 4) sequentially adding the material A and the material B into the solid waste-based cementing material, stirring until uniform slurry is formed, adding the quartz sand fine aggregate and continuously stirring so as to obtain the solid waste-based thermally-induced coagulation 3D printing material after uniform stirring. The solid waste-based thermally-induced coagulation 3D printing material is prepared by taking industrial solid wastes such as the steel slag, the mineral powder and the phosphogypsum as raw materials, the application range of the wastes is expanded, the cost is low, the coagulation time of the printing material is controllable, and the printing product has the excellent characteristics of high early strength, high coagulation rate and the like.
Owner:WUHAN UNIV OF TECH
Alkali-activated low-calcium cementitious material slow-coagulation agent based on electromagnetic induction heating coagulation regulation mechanism as well as preparation method and application thereof
ActiveCN114455902ASolve problems such as prone to voidsControllable adjustment rateCement productionBuilding reinforcementsPhysical chemistryEngineering
The invention discloses an alkali-activated low-calcium cementing material delayed coagulation agent based on an electromagnetic induction heating delayed coagulation mechanism. The alkali-activated low-calcium cementing material delayed coagulation agent comprises the following components in parts by weight: 400-500 parts of a low-calcium cementing material, 1300-1400 parts of aggregate, 80-160 parts of an exciting agent, 15-20 parts of a magnetocaloric component, 0-30 parts of a delayed coagulation component and 150-200 parts of water. Magnetocaloric components are introduced into an alkali-activated low-calcium cementing material mortar system, and an electromagnetic heating means is combined to realize controllable adjustment of the coagulation rate and the curing time; when the slow-setting mortar is applied to preparation of the slow-setting prestressed reinforcement, the slow-setting mortar is good in fluidity before and after tensioning, can better wrap the slow-setting prestressed reinforcement, is excellent in bonding strength after hardening, and can effectively solve the problem that after traditional slow-setting mortar is tensioned, cavities are prone to occurring. The preparation method is simple, convenient and controllable to operate, low in cost and suitable for popularization and application.
Owner:WUHAN UNIV OF TECH
PM2.5 coagulant and preparation method thereof
InactiveCN110052087AImprove adsorption efficiencyImprove adsorption capacityGas treatmentAuxillary pretreatmentAntistatic agentPolyol
The invention discloses a PM2.5 coagulant and a preparation method thereof. The PM2.5 coagulant comprises, by weight, 0.1-0.5% of organic adhesive, 1-20% of polyol, 0.1-2% of natural plant gel, 1-10%of antistatic agent, 0.5-50% of plant active extract and 17.5-97.3% of deionized water. The PM2.5 coagulant has the advantages that the PM2.5 coagulant can be diluted 50-1000 times with water according to conditions and then sprayed into the air, PM2.5 content in the air can be reduced by forming sealing objects through static adsorption, agglomeration, settling and adhering, and the PM2.5 coagulation rate of the PM2.5 coagulant can reach 90% or above.
Owner:深圳市寰保化工科技有限公司
Magnesium-based inorganic adhesive modified with silicon-acrylic emulsion for straw and preparation method thereof
ActiveCN105694739BHigh strengthImprove water resistanceMacromolecular adhesive additivesInorganic adhesivesEmulsionAdhesive
The invention discloses a silicon acrylic emulsion modified magnesium-containing inorganic adhesive for straws. The adhesive is prepared from, by weight, 100 parts of magnesium chloride hexahydrate, 44-61 parts of magnesium sulfate heptahydrate, 218-298 parts of light calcined magnesia, 167-202 parts of water, 10-43 parts of silicone acrylic emulsion and 4-9 parts of dispersant. Adhered products prepared with the adhesive are high in water resistance, strength and toughness and appropriate in coagulation rate. The invention further discloses a preparation method of the silicone acrylic emulsion modified magnesium-containing inorganic adhesive. The method includes steps: feeding water into a reaction kettle, heating, adding the magnesium chloride hexahydrate, and stirring at a constant speed to obtain a magnesium chloride solution; slowly adding the magnesium sulfate heptahydrate into the magnesium chloride solution, and stirring at a constant speed; adding the light calcined magnesia into the reaction kettle, and stirring at a constant speed; slowing dripping the silicone acrylic emulsion into the reaction kettle, adding the dispersant after dripping is finished, stirring and cooling to obtain the adhesive.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
A kind of hemostatic material and its preparation method and application
ActiveCN106668932BFast healingHigh coagulation rateSurgical adhesivesPharmaceutical delivery mechanismMedicineIn vivo
The present invention relates to a bleeding stopping material and a preparation method thereof, wherein an aldehyde modified mixture formed from aldehyde modified sodium alginate and aldehyde modified sodium hyaluronate and an amino modified polyaspartic hydrazide are subjected to a Schiff base reaction to obtain the bleeding stopping material, the bleeding stopping material has characteristics of high coagulation rate and good mechanical property, the mechanical property can be up to 6000 Pa, the wound healing is rapid after the use of the bleeding stopping material, the fastest coagulation rate is 5 s, and the in vivo mouse naked eye wound area observation test results show that the coagulation rate of the bleeding stopping material is 3 days faster than the gauze and is 1 day faster than the commercial sodium alginate dressing. The present invention further provides a bleeding stopping kit, which has characteristics of simple use, high coagulation rate, and rapid wound healing after the use.
Owner:BEIJING UNIV OF CHEM TECH
An ultrasonic cutter head with the function of rapid coagulation and cutting of soft tissue
ActiveCN114224470BGuaranteed solidification depthIncrease the speed of solidificationSurgical instruments for heatingMedicineForceps
The invention discloses an ultrasonic cutter head with the function of rapid coagulation and cutting of soft tissue, which includes a clamp head and a cutter bar part, and is characterized in that the clamp head includes a movable clamp head part located at the upper end and a fixed clamp head part located at the lower end. The movable pincer part includes a movable metal pincer, and the tail of the movable metal pincer is connected to the tail end of the fixed pincer part through a rotating shaft; the inner side of the movable metal pincer is provided with a first semiconductor insulated heating pole, and the The inside of the first semiconductor insulating heating pole is provided with a conductive Teflon pad; the fixed clamp head part includes a second semiconductor insulating heating pole, and the positions of the first semiconductor insulating heating pole and the second semiconductor insulating heating pole correspond up and down; The cutter bar part includes an ultrasonic cutter bar and an outer tube, the other end of the ultrasonic tool bar is connected to the controller, and the outer tube wraps the ultrasonic tool bar. The invention ensures the depth and effect of coagulation, accelerates the coagulation speed and reduces operation time.
Owner:ZHUHAI WEIERKANG BIOTECH
Method for analyzing blood coagulation characteristics of blood specimen
PendingUS20220146537A1Scattering properties measurementsMedical automated diagnosisBlood specimenHematological test
To provide a method for analyzing coagulation characteristics of a blood specimen. To provide a method for analyzing a blood specimen, including: acquiring a waveform related to a coagulation rate or coagulation acceleration of a sample obtained by mixing a subject blood specimen with a reagent for measuring coagulation time; extracting multiple parameters characterizing the waveform related to a coagulation rate or a coagulation acceleration; and determining an activity level or activity abnormality of a coagulation factor in the subject blood specimen on the basis of the multiple parameters.
Owner:NARA MEDICAL UNIVERSITY +1
Method for improving migration velocity of smoke in electric precipitator and device
InactiveCN101298064BImprove transport rateIncrease driving speedExternal electric electrostatic seperatorElectrode constructionsEngineeringCoagulation rate
The invention relates to a method for promoting the smoke dust migrating velocity of an electric precipitator, which pertains to the technical fields of gas discharge physic and environment engineering, etc. The method arranges a discharge electrode at the mid plate clearance between two adjacent collecting electrode plates, and the discharge electrode is close to the outlet end of the clearance;the migrating direction of smoke dust is the same as the flowing direction of fume; the side clearance interval of the two collecting electrode plates at the direction of facing the gas flow is about30 percent of the width of collecting electrodes; the fume flowing speed passing the side faces of the two collecting electrode plates is 5m / s to 25m / s; the voltage of direct current applied to the discharge electrode is 20-56kV. The method promotes the ion transport rate and the ion concentration of the discharge clearance as well as increasing the charged coagulation rate of the smoke dust, thereby promoting the smoke dust migrating velocity of the electric precipitator and solving the problems of poor performance, large volume, large roller steel consumption and high operation cost, etc. caused by the low migrating velocity of the smoke dust in the electric precipitator.
Owner:JIANGSU UNIV
A kind of nanoporous metal powder and preparation method thereof
Owner:DONGGUAN UNIV OF TECH
The preparation method of silicone acrylic miniemulsion
Owner:ZHEJIANG UNIV
Anti curling low solidification rate pu resin and preparation method thereof
ActiveCN111269382BIncrease elasticityWith anti curlCoatingsTextiles and paperPolyesterO-Phosphoric Acid
Owner:YANGZHOU POLYTECHNIC INST
A method for improving the distribution of sic particles in magnesium matrix composites under the action of a low-voltage pulsed magnetic field
InactiveCN103924116BImprove grain refinement effectGood grain effectMagnesium matrix compositeLow voltage
Owner:NANCHANG HANGKONG UNIVERSITY
Leachate treatment method and system
InactiveCN113105073AImprove biodegradabilityReduce the content of harmful substancesTreatment involving filtrationMultistage water/sewage treatmentHazardous substanceSewage treatment
The invention provides a leachate treatment method and system.The method comprises the following steps: making sludge dewatered and then filtered to obtain leachate clear liquid; calculating the number of collision times of particles in the coagulation process, so that factors influencing the coagulation rate and effect are obtained, pretreatment is carried out, and good conditions are provided for coagulation treatment; adding a coagulant into the pretreated clear liquid, then stirring and precipitating, and finally filtering to obtain pretreated leachate; and putting the pretreated leachate into a membrane system for treatment, and discharging the liquid after reaching the standard. According to the method, factors influencing the coagulation effect and the coagulation rate are obtained and controlled by calculating the collision times of the colloidal particles, so that the coagulation effect and the coagulation rate are improved; by performing coagulation pretreatment on the leachate stock solution, the content of various harmful substances in the concentrated solution is reduced, the treatability of the concentrated solution is improved, and the post-treatment cost is reduced; and the effluent quality of the sewage treatment method provided by the invention can stably meet the requirements.
Owner:瀚蓝(惠安)固废处理有限公司
Rapid screening method of bacillus subtilis fresh-keeping strain
ActiveCN110452954AImprove accuracyShort screening cycleMicrobiological testing/measurementBiofilmAdhesion process
The invention discloses a rapid screening method of bacillus subtilis fresh-keeping strains. The method comprises the following steps: establishing a rapid screening equation of bacillus subtilis fresh-keeping strains by utilizing four cell adhesion related indexes including hydrophobicity, a self-coagulation rate, a co-coagulation rate and a biofilm forming ability and two antibacterial indexes including a fermentation supernatant antibacterial rate and a dibbling antibacterial rate; y is a sum of 0.151A, 0.285B, 0.029C, 0.207D, 0.184E, and 0.178F, wherein Y is a comprehensive score, A is theself-coagulation rate, B is the hydrophobic rate, C is the co-coagulation rate, D is the biofilm formation rate, E is the fermentation supernatant antibacterial rate, and F is the dibbling antibacterial rate, wherein when Y is greater than or equal to 0 and less than 20%, the bacillus subtilis is low in fresh-keeping activity, when Y is greater than 20% and less than 40%, the bacillus subtilis ismedium in fresh-keeping activity, and Y is greater than or equal to 40% and less than or equal to 100%, the bacillus subtilis is high in fresh-keeping activity. The bacillus subtilis strain with highfresh-keeping activity can be quickly screened through the equation.
Owner:FUZHOU UNIV
Feather removing agent and preparation method thereof
InactiveCN106889155AMeet health requirementsComply with food safety regulationsOrganic compound preparationCarboxylic acid esters preparationAdditive ingredientFermentation
A depilatory agent of the present invention, it comprises lactic acid oligomer, and described lactic acid oligomer number average molecular weight is 500~30000, is made of lactic acid (comprising L-lactic acid, D-lactic acid, D, L-lactic acid) and alcohols In the presence of a catalyst, it is prepared by polymerization at 140°C to 170°C and low pressure for 12 to 30 hours. The invention also discloses a preparation method of the depilatory agent. The ingredients of the present invention are non-toxic and comply with food safety regulations; the processed poultry conforms to national hygiene standards and meets the requirements of consumers; moreover, the lactic acid used in the present invention comes from fermentation, and there is no discharge of "three wastes" in the preparation process, completely It is a green and environmentally friendly process that meets the requirements of sustainable development. The depilatory agent of the invention has a melting temperature of 70°C to 95°C, low viscosity, rapid solidification after cooling, high strength, simple operation and high hair removal efficiency; it can be used repeatedly and has low cost, and can replace rosin depilatory agents.
Owner:BADONG FENGTAI AGRI SPECIALIZED COOP
Method for determining severity of hemophilia, blood specimen analyzer and computer readable medium
ActiveCN107664701AMaterial analysis by observing effect on chemical indicatorDisease diagnosisBlood specimenHematological test
Disclosed is a method for determining the severity of hemophilia, the method including the steps of: coagulating a blood specimen to acquire a coagulation waveform; acquiring an average change rate ofa coagulation rate from the coagulation waveform; and determining the severity of hemophilia in the blood specimen based on the average change rate of the coagulation rate.
Owner:SYSMEX CORP +1
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