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258results about How to "Evenly suspended" patented technology

Liquid soap with vitamin beads and method for making same

A liquid soap having vitamin-containing microcapsules including a base having an anionic surfactant and a chelating agent, a cross-linked acrylic polymer suspending agent, and multiple vitamin-containing microcapsules uniformly suspended in the liquid soap. The liquid soap is formulated at an elevated temperature which is maintained throughout the formulation process.
Owner:DIAL CORPORATION

Preparation method of electroplating diamond fret saw

The invention relates to a preparation method of an electroplating diamond fret saw, comprising the following technological processes: 1. roughening processing is carried out to micrometer diamond particles in advance, nanometer diamond powder is added in cationic surface active agents according to the proportion of 1 : 3 by mass ratio, so as to prepare uniform and stable nanometer diamond powder suspending liquid, plating solution is arranged in an electroplating tank, after the weighted nanometer diamond powder suspending liquid is mixed with the micrometer diamond particles according to the proportion of 1 : 3 by mass ratio, and then the mixture is added in the plating solution, the plating solution is circulated continuously, and nickel aminosulfonate is main material in the plating liquid, and boracic acid and nickel chloride are additionally added, and a magnetic stirring device is arranged in the electroplating tank; 2. a steel wire continuously and uniformly passes through the electroplating tank, under the action of electrical current, nickel ions move to cathode from anode, so as to drive the nanometer diamond powder and the micrometer diamond particles to move to the steel wire, so as to lead the steel wire to be plated with the nanometer diamond powder and the micrometer diamond particles, meanwhile, chemical nickel-plating is carried out to the steel wire; 3. after the steel wire is separated from the electroplating tank, wires are wound up after being cleaned and dried. The method can continuously and quickly produce electroplating diamond fret saw, and the production efficiency is high.
Owner:JIANGSU FUNLIN SUPER HARD TOOLS

Preparation method of ultramicro mulberry leaf tea powder

The invention relates to the preparation of tea and aims to provide a preparation method of ultramicro mulberry leaf tea powder. For obtaining ultramicro mulberry leaf powder and ultramicro tea powder, the method comprises the following steps of: selecting raw materials, killing out, kneading, drying, primarily crushing and ultromicro crushing; sufficiently mixing ultramicro mulberry leaf powder with a nojirimycin crude product with a V type mixer, and sufficiently mixing the mixture with ultramicro tea powder to obtain the ultromicro mulberry leaf tea powder, wherein the weight content of nojirimycin in the nojirimycin crude product is 10-12 percent; and finally packing. For the ultromicro mulberry leaf tea prepared by the invention, ultromicro crushed to obtain the grain size less than 10 mum, the powder can be sufficiently suspended in hot water and can be completely taken, thereby the health care and nutritious value of the mulberry leaf are fully exerted. The nojirimycin crude product is added in the ultramicro mulberry leaf tea powder so that the activity of alpha-glucosidase can be more effectively restrained, glucose entering the blood is reduced, and the blood sugar is reduced. The invention can be used for health care or auxiliarily treating diabetes.
Owner:ZHEJIANG UNIV

Pectin grain containing milk beverage and its production process

The pectin grain containing milk beverage contains milk product 30-60 weight portions, pectin grain 1-20 weight portions, sugar 4.0-15 weight portions, stabilizer 0.1-1.0 weight portions, edible essence 0.05-0.3 weight portions except water. The pectin grain is obtained through inoculating pyracetic bacillus to fruit juice, fermenting culture, taking upper fiber and crushing. The present invention provides the production of milk beverage containing pectin grain, especially coconut pectin grain.
Owner:INNER MONGOLIA YILI INDUSTRIAL GROUP CO LTD

System and method for printing data carrying mark on honeycomb structures

InactiveUS20080055348A1Facilitate extraction of dataThermal stress be avoidExhaust apparatusDuplicating/marking methodsInkjet printingOxide
A system, method, and ink for printing a data carrying mark on a green ceramic honeycomb structure is provided. The system includes a printer having an ink jet print head that prints a mark, preferably in the form of a two-dimensional data matrix barcode, on a side wall of the green ceramic honeycomb structure. The ink may be a heat resistant ink that comprises a mixture of a glass or glass ceramic frit and a metal oxide colorant. An optical reader is provided for determining if the data is accurately reproduced in the printed mark, as well as any noise factor which may be present due to defective printing. The system includes a turntable that positions the green body for the printing operation, and then rotates the green body to position the printed mark first in front of a dryer, and then in front of the optical reader to determine the quality of the mark. Marked green and ceramic honeycombs are also provided as well as a method for repairing a defective applied bar code on a honeycomb structure.
Owner:DEETER LEE EDGAR +6

Fly ash solidification foamed material for preventing coal spontaneous combustion and preparation method thereof

A fly ash solidification foamed material for preventing coal spontaneous combustion and a preparation method thereof. The fly ash solidification foamed material comprises the following ingredients, by weight: 40-60 parts of water, 100 parts of fly ash, 25 parts of complex powder for chemically self-producing gas, 1-5 parts of an accelerator, 1-4 parts of an activator, 0.6-1.5 parts of a water reducer, and 0.5-1 parts of a foam stabilizer. The preparing method comprises: adding the foam stabilizer in water and stirring to form a uniform foam solution; adding the fly ash, the complex powder for chemically self-producing gas, the accelerator, the activator, and the water reducer in a dry-blending mixer to form a blended powder; and finally adding the blended powder into the uniform foam solution to obtain the fly ash solidification foamed material. The material of the invention is light in weight, safe and low in costs, and has strong crack penetration capability, adjustable solidification time, great compressive strength, low heat conductivity coefficient, and a good heat insulation effect; foam fluid can uniformly cover loose coal-rock mass; carbon dioxide is released during a foaming reaction process to well dilute the oxygen concentration in residual coal space; and the operation technique is simple.
Owner:CHINA UNIV OF MINING & TECH

Highly dispersed palladium/carbon nanometer tube catalyst for anthraquinone hydrogenation and preparation method thereof

The invention discloses a highly dispersed palladium / carbon nanometer tube catalyst for anthraquinone hydrogenation and a preparation method thereof, and relates to a catalyst and a preparation method. According to the invention, a carbon nanometer tube industrial product with good conductivity, heat conductivity, high mechanical strength and huge external specific surface is used as a palladium carrier; simultaneously ultrasonic is utilized to further enhance the dispersity and uniformity of palladium and the carbon nanometer tube; and a nanometer palladium catalyst uniformly loaded on the surface of the carbon nanometer tube is prepared in a slurry reactor by adopting a liquid phase reduction method. The catalyst needs no extrusion molding and can be directly suspended in the liquid phase for normal-pressure or pressurized hydrogenation of anthraquinone; the activity of the catalyst is not reduced after the catalyst is used for a plurality of times by filtration and separation; moisture, acid and alkaline do not influence the use effect; the catalytic activity of the new catalyst is 4-8 times higher than that of the traditional Pd / gamma-Al2O3 catalyst, and the amount of the catalyst used can be greatly reduced. The catalyst can be used for replacing the traditional catalyst, the post treatment of the traditional catalyst is simplified, the treatment capability of a device is greatly increased, and the operation cost is lowered.
Owner:XIAMEN UNIV +2

Liquid milk product containing gellan gum particle and producing method thereof

The invention provides a liquid milk product containing gellan gum and a production method thereof. The liquid milk product contains milk and gellan gum particles (0.1-5 wt% of the total weight of the liquid milk product) for chewy mouthfeel. The production method comprises dissolving gellan gum in water to obtain gellan gum waster solution, adding into milk under stirring, and allowing coagulation of gellan gum in milk to form granules. The inventive liquid milk product enriches the varieties of liquid milk products, and achieves good stability within shelf life through reasonable formulation and proper process.
Owner:INNER MONGOLIA YILI INDUSTRIAL GROUP CO LTD

High-solubility piglet milk powder and processing method thereof

ActiveCN104686857AGood brewabilityImprovement of poor brewabilityFood processingAnimal feeding stuffSolubilitySucrose
The invention provides high-solubility piglet milk powder and a processing method thereof. The piglet milk powder comprises the following raw materials in parts by weight: 300-600 parts of middle fat milk powder, 100-300 parts of low-protein whey powder, 50-150 parts of lactose, 80-280 parts of fermented rice paste, 30-200 parts of soybean protein isolate, 50-150 parts of plasma protein powder, 50-150 parts of coconut oil, 20-40 parts of glucose, 0-50 parts of sucrose, 5-15 parts of lysine, 1-5 parts of methionine, 1-5 parts of threonine, 1-8 parts of tryptophan, 1-5 parts of arginine, 0.1-0.3 part of vitamin C, 0.1-0.3 part of vitamin E, 0.1-1 part of ethoxyquin, 2-5 parts of organic aid, 0.5-2 parts of feeding probiotic, 0.2-4 parts of functional oligosaccharide, 2-3 parts of vitamin premix, 2-3 parts of organic trace element premix, 0.01-1 part of alpha-amylase, 0-0.5 part of milk flavor and 1-10 parts of flaxseed gum. The milk powder solution has long stability time at normal temperature, and the phenomenon that a sinking material occurs at the bottom of a solution bottle is avoided.
Owner:TONGWEI +1

Household liquor brewing vessel

The invention discloses a household liquor brewing vessel. The household liquor brewing vessel comprises a fermentation tank, an end cover, a motor, a stirring device, a temperature sensor, a temperature control device, a liquor discharge device, a control device, an outer bucket, an outer bucket cover and a filter device, wherein the outer bucket is used for storing and placing the fermentation tank; the outer bucket cover is used for covering the outer bucket; the motor is arranged in the outer bucket cover; the motor, the stirring device and the end cover are integrally formed. The household liquor brewing vessel has the beneficial effects that the household liquor brewing vessel has a simple structure and strong practicability, is convenient to operate and has the effect of reducing the procedure of home-brewed liquor brewing; meanwhile, the fermentation tank is put in the streamlined outer bucket, so the household liquor brewing vessel has beautiful appearance and greater economic value; besides, the household liquor brewing vessel has the effects of increasing the home-brewing success rate and ensuring the quality of the home-brewed liquor.
Owner:SHANGHAI INST OF TECH

Coconut fruit milk and method for manufacturing same

The invention discloses coconut fruit milk and a method for manufacturing the same. The coconut fruit milk comprises, by weight, raw milk, coconut fruits, white sugar, high-fructose corn syrup, whole milk powder, sodium citrate, edible essence, citric acid, lactic acid, gellan gum, aspartame, acesulfame and suspension stabilizers. The method includes manufacturing suspension stabilizing liquid; placing the raw milk, the high-fructose corn syrup and the whole milk powder into a stirrer, uniformly stirring the raw milk, the high-fructose corn syrup and the whole milk powder to manufacture mixed liquid and filtering the mixed liquid; manufacturing the coconut fruits; performing sterilization; canning the coconut fruit milk. The coconut fruit milk and the method have the advantages that the coconut fruit milk tastes unique and rich, and is attractive in appearance, rich in nutrient and suitable for people of all ages, the varieties of milk products are increased, the coconut fruits of the coconut fruit milk can be uniformly suspended for a long time without floating up or sinking down and are quite stable, and accordingly a service effect can be improved.
Owner:熊玲燕

Sapphire drilling liquid

The invention provides sapphire drilling liquid. The sapphire drilling liquid comprises 0.5-1.0 part of polycrystalline diamond powder, 0.5-1.0 part of dispersing agents, 0.1-0.5 part of water-based thickener, 2-4 parts of alkaline regulator, 3-5 parts of penetrant, 1-2 parts of gas phase anti-settling agents and 86.5-92 parts of basic solvent. The basic solvent is prepared by mixing one or more of deionized water, ethylene glycol and glycerin. The polycrystalline diamond powder is adopted as a grinding material, and is moistened through the penetrant, the even, stable, stably suspended and agglomeration-free effect is kept in an aqueous system of the sapphire drilling liquid, and the effect of improving cutting efficiency is achieved in the use process.
Owner:LENS TECH CHANGSHA

Freshwater fish demersal egg incubation device and method

The invention relates to a freshwater fish demersal egg incubation device and method. The freshwater fish demersal egg incubation device and method are suitable for incubation of fish demersal eggs or adhesive eggs processed in a debonding mode. The device comprises a container, wherein the bottom of the container is in a U shape, one side portion of a container inner cavity is provided with a water injection pipe facing the position below the corresponding side portion of the container, an opening above the other side portion of the container inner cavity is correspondingly provided with an arc turn portion, and the arc turn portion is turned towards one side of the water injection pipe from bottom to top so that injected water flow form annular flow. The method comprises the steps that debonded germ cells are slowly placed in the container filled with water and sink slowly; a water injection pipe valve is opened and is adjusted in a fine mode according to the proportion of the germ cells, the water flow is controlled so that the water flow can rotate in the perpendicular plane in the container to drive the germ cells to rotate, and dead cells and light impurities are removed under the action of centrifugal force; the water flow is kept being injected, and a net bag is cleared when fries are about to be incubated; the fries are collected after being incubated. According to the freshwater fish demersal egg incubation device and method, the germ cells can be prevented from being accumulated on local parts, the dead cells and egg shells are separated from other impurities, and an incubation effect is good.
Owner:福建省淡水水产研究所

Marked honeycomb structures

InactiveUS20080057266A1Easy to extract dataAvoid potentially-damaging thermal stressLayered productsThin material handlingHoneycomb structureData Matrix
A system, method, and ink for printing a data carrying mark on a green ceramic honeycomb structure is provided. The system includes a printer having an ink jet print head that prints a mark, preferably in the form of a two-dimensional data matrix barcode, on a side wall of the green ceramic honeycomb structure. The ink may be a heat resistant ink that comprises a mixture of a glass or glass ceramic frit and a metal oxide colorant. An optical reader is provided for determining if the data is accurately reproduced in the printed mark, as well as any noise factor which may be present due to defective printing. The system includes a turntable that positions the green body for the printing operation, and then rotates the green body to position the printed mark first in front of a dryer, and then in front of the optical reader to determine the quality of the mark. Marked green and ceramic honeycombs are also provided as well as a method for repairing a defective applied bar code on a honeycomb structure.
Owner:CORNING INC

Water-in-oil type mixed powder working solution

The invention relates to a water-in-oil type mixed powder working solution which belongs to the field of special processing. The working solution comprises sorbitan monooleate, alkylphenol polyoxyethylene, rosin, machine oil, deionized water and aluminum micropowder. When in preparation, the sorbitan monooleate is added into the machine oil according to the proportion requirement and heated and stirred so that the sorbitan monooleate is dissolved into the machine oil to form a machine oil mixed solution; then, the alkylphenol polyoxyethylene and the rosin are added according to the proportionrequirement and heated and stirred so that the alkylphenol polyoxyethylene and the rosin are dissolved into the machine oil mixed solution; the deionized water is added into the mixed solution and stirred to obtain water-in-oil type emulsion; and finally, the aluminum micropowder is added into the water-in-oil type emulsion and stirred to obtain the prepared water-in-oil type mixed powder workingsolution. The water-in-oil type mixed powder working solution has the advantages of even suspension of solid particles, difficult sedimentation, difficult combustion, no pollution, low cost, safe use, high processing efficiency, high processing surface quality, and the like compared with the conventional kerosene mixed powder solution.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Water-series fire extinguishing agent

The invention relates to a water-series fire extinguishing agent and belongs to the technical field of firefighting. The water-series fire extinguishing agent comprises 0.5%-5% of inorganic salt, 0.1%-1% of surfactants, 0.5%-2% of foaming agents, 1%-20% of fire retardants, 10%-20% of antifreeze agents, 0.1%-1% of penetrating agents, 1%-2% of emulsifying agents and 65%-85% of water. The water-series fire extinguishing agent provided by the invention is low in cost, good in fire extinguishing performance, harmless to environment and people and wide in application range, and toxic and hazardous waste gas cannot be produced in the fire extinguishing process.
Owner:上海汇友精密化学品有限公司

Method of manufacturing fire-resistant high-performance organic pulp-shape fibre

The invention discloses a manufacture method of organic pulp stage fiber with high performance and high temperature-resistant performance. The invention uses the bavella silk, spinning silk and other out materials, textiles, braiding leftover bits and pieces and wasting materials of high temperature-resistant and high performance organic fiber as raw materials, the high temperature-resistant and high performance organic fiber such as aramid fiber and PBO fiber. The raw materials are cut into the short fiber with the length of 2-10 mm, the fiber form the suspending liquid evenly with 0. 1-8 wt% using the dispersants, then the suspending liquid is pumped into high shearing equipments at the flow ratio of 2-10 t / h to grinding, and the pulp stage fiber is prepared (shortly aramid fiber pulp or PBO pulp, etc. ) The high temperature-resistant and high performance organic pulps can replace the asbestos in many fields of friction, sealing materials, papermaking and so on. The high temperature-resistant and high performance organic pulps in the manufacture method has higher fibrillating degree, better dispersity and more uniform structure, and the manufacture method has higher production efficiency.
Owner:SHANGHAI LABON TECHNICAL FIBER CO LTD

Toothpaste containing particles and transparent viscous substance

The invention discloses toothpaste containing particles and a transparent viscous substance. The particles suspend in the transparent viscous substance; the particles include an abrasive, a moisturizer, a foaming agent, a thickening agent, a functional component, an appearance conditioning agent, a flavoring agent, a stabilizing agent, a preservative, spices and de-ionized water, wherein in the particles, the thickening agent accounts for 1.0-10.0% in terms of the mass of the de-ionized water and the de-ionized water accounts for 13.0-59.0% in terms of the total mass of the particles; the transparent viscous substance consists of a moisturizer, a thickening agent, a stabilizing agent, a preservative, a functional component and de-ionized water, wherein in the transparent viscous substance, the thickening agent accounts for 0.1-1.7% in terms of the mass of the de-ionized water and the de-ionized water accounts for 47.0-99.4% in terms of the total mass of the transparent viscous substance; and the appearance conditioning agent is a non-water-soluble appearance conditioning agent. With the existence of the transparent viscous substance, the particles suspend uniformly and cannot settle or dissolve out. The particles, in the transparent viscous substance, are good in stability, and are free from phenomena of dissolution, breakage and precipitation.
Owner:广州舒客实业有限公司

Ink for printing data carrying mark on honeycomb structures

InactiveUS20080053333A1Easy to extract dataAvoid potentially-damaging thermal stressOther chemical processesInksHoneycomb structureData Matrix
A system, method, and ink for printing a data carrying mark on a green ceramic honeycomb structure is provided. The system includes a printer having an ink jet print head that prints a mark, preferably in the form of a two-dimensional data matrix barcode, on a side wall of the green ceramic honeycomb structure. The ink may be a heat resistant ink that comprises a mixture of a glass or glass ceramic frit and a metal oxide colorant. An optical reader is provided for determining if the data is accurately reproduced in the printed mark, as well as any noise factor which may be present due to defective printing. The system includes a turntable that positions the green body for the printing operation, and then rotates the green body to position the printed mark first in front of a dryer, and then in front of the optical reader to determine the quality of the mark. Marked green and ceramic honeycombs are also provided as well as a method for repairing a defective applied bar code on a honeycomb structure.
Owner:CORNING INC

Continuous production of fatty poly-ester carbonate polyhydric alcohol

Continuous production of fatty polycarbonate polyol is carried out by taking carbon dioxide / epoxide as raw materials and reacting under action of catalyst to obtain the final product in cyclic reactor. The main apparatus consists of cyclic reactor, condenser, vapor-liquid separator, high-pressure carbon dioxide buffer tank, carbon dioxide compressor, mixing kettle and high-pressure metering pump. It costs low is efficient.
Owner:JIANGSU ZHONGKE JINLONG CHEM

Continuous production of fatty poly-ester carbonate polyhydric alcohol

The invention discloses a continuous production process of aliphatic polycarbonate polyols. The process has the characteristics of small investment in equipment, high utilization rate, stable product weight, low energy consumption and high catalyst utilization rate; the aliphatic polyol of the present invention The continuous production process of carbonate polyols uses carbon dioxide / epoxide as the main raw material to react under the action of a catalyst to produce aliphatic polycarbonate polyols. The reaction is a continuous operation using a loop reaction device. The main equipment includes loop reaction device, condenser, gas-liquid separator, high-pressure carbon dioxide buffer tank, carbon dioxide compressor, mixing tank and high-pressure metering pump.
Owner:JIANGSU ZHONGKE JINLONG CHEM

Rapidly hydrated liquid guanidine gum and fracturing base fluid containing same

The invention discloses rapidly hydrated liquid guanidine gum. The rapidly hydrous liquid guanidine gum consists of the following components by weight percentage: 16-49.6% of disperse phase, 50-83.3% of dispersion media and 0.4-10% of suspension stabilizers. The invention also discloses a fracturing base fluid. The fracturing base fluid is prepared by mixing the rapidly hydrated liquid guanidine gum with water at a weight ratio of 1: (50-500). The rapidly hydrated liquid guanidine gum can be rapidly swollen to be sticky and has excellent suspension stability. The preparation method is simple and easily available in raw materials, thereby facilitating large-scale production.
Owner:CNPC BOHAI DRILLING ENG

Paracetamol dry suspension for treating common cold in children

The invention discloses a paracetamol dry suspension for treating common cold in children. The paracetamol dry suspension comprises paracetamol, a diluting agent, a disintegrating agent, a suspending agent, a sweeting agent, a bitterness retarder, a milk flavor enhancer and an adhesive in a weight ratio of (25-35):(50-70):(3-5):(1-2):(1-2):(1-2):1:(1-2). The paracetamol dry suspension has the advantages of pure milk flavor, no discomfort smell, uniformity in suspension, high absorption, quick response and extreme suitability for being taken by child patients (2-12 ages).
Owner:青岛国海生物制药有限公司

Size for abrasive material slurry jet flow cutting and its preparing method

The slurry consists of abrasive material of garnet, quartzite or bauxite corundum; water as medium liquid; and additive bentonite. The preparation of the slurry is one physical process including dry mixing of abrasive material and bentonite through stirring, and mixing the mixture with water. The slurry is stable in structure and is less likely to take chemical change and suitable for high speed jet flow cutting. The slurry may be reused, and is non-toxic, smell-less, no mildew and environment friendly.
Owner:SHANGHAI UNIV +2

Inorganic foamed concrete insulation board and preparation method thereof

InactiveCN103086734AImprove compressive strengthSolve subsidence and subsidenceCeramicwareThermal conductivityFoam concrete
The invention provides an inorganic foamed concrete insulation board and a preparation method thereof. The insulation board comprises foamed concrete, and has density of 160-250kg / m<3>, compressive strength of 0.3-0.5 MPa, and coefficient of thermal conductivity of 0.05-0.062 W / m.K. The prepared insulation board has the characteristics of low unit weight and good heat insulation effect, and can be widely used as an insulation material in the field of construction.
Owner:杨奎利

Chia seed suspended particle drink and preparation method thereof

The present invention discloses a chia seed suspended particle drink. The drink consists of the following components in percentages by mass: 0.1%-0.5% of chia seed, 0.01%-0.05% of suspending agent, 0.02%-0.1% of gel enhancement agent, 0.02%-0.1% of citric acid, 0.01%-0.05% of sodium citrate, 0.01%-0.04% of fortunella margarita and lemon, 5%-10% of sweeteners and the balanced water, and the total amount of the above components is 100%. The present invention also discloses a preparation method of the chia seed suspended particle drink. The preparation method comprises the following steps: chia seed pre-treating, weighing, material liquid preparing, filling, sterilizing and cooling. The chia seeds are used as raw materials, microbial edible gum is carefully selected, and a gel three-dimensional network structure is formed by using the gelling ability of the microbial edible gum to enable the particles to suspend. The prepared natural suspended particle drink has a shelf life up to six months. The floating food particles are true, intuitive and nutritional, and the drink is good in taste and is oriented to all types of consumer groups.
Owner:SHANGHAI ZHONGFU ZHIYE HLDG GRP CO LTD

Efficient boron carbide grinding fluid and method for preparing same

The invention discloses efficient boron carbide grinding fluid and a method for preparing the same, and relates to the field of technologies for grinding sapphire. The efficient boron carbide grinding fluid comprises, by weight, 5-25 parts of boron carbide micro-powder, 1-2 parts of dispersing agents, 0.5-1 part of water-based thickeners, 0.5-1 part of anti-settling agents, 0.5-5 parts of synergists, 0.5-1 part of antirust agents and 65-92 parts of substrate fluid. The substrate fluid can be one of pure water, isopropyl alcohol and polyhydric alcohol or a mixture of the pure water, the isopropyl alcohol and the polyhydric alcohol, and various components of the substrate fluid have equal weight parts or other proportions when the substrate fluid comprises the mixture of the pure water, the isopropyl alcohol and the polyhydric alcohol. The efficient boron carbide grinding fluid and the method have the advantages that the efficient boron carbide grinding fluid is long in service life, good in stability and applicable to rough grinding for processing sapphire wafers, the A-direction and M-direction sapphire grinding rates can be increased, processed products are good in surface flatness, and the like.
Owner:HUNAN HAOZHI TECH

Preparation method and application of alga solution of chlorella pyrenoidosa, for detecting biological toxicity of haze by fluorescent light

ActiveCN106770113AComprehensive toxicity comprehensiveComprehensive toxicity intuitiveUnicellular algaeMicroorganism based processesToxicityBiology
The invention provides a preparation method of an alga solution for detecting biological toxicity of haze by fluorescent light and belongs to the technical field of the chlorella pyrenoidosa. The preparation method comprises culture of alga seeds and preparation of the alga solution and specifically comprises the following steps: A, selecting the alga seeds of the chlorella pyrenoidosa and inoculating the alga seeds into a conical beaker filled with a liquid culture medium under a sterile condition; after inoculating, putting the conical beaker into a constant-temperature light illumination culture box to an exponential phase for later use; B, after putting the alga solution, which is cultured to the exponential phase, in a dark place, determining chlorophyll fluorescence dynamics parameters of the alga solution by utilizing a water sample chlorophyll fluorometer; C, selecting the alga solution of the chlorella pyrenoidosa at the exponential phase, which has the cell density range of (1 to 1.2)*10<6>idn / .ml<-1>, according to the chlorophyll fluorescence dynamics parameters of the alga solution in the step B, so as to determine the biological toxicity of the haze. The invention further provides application of the alga solution of the chlorella pyrenoidosa to determination of the biological toxicity of the haze. The method provided by the invention is simple and easy to operate and can directly reflect the biological toxicity of the haze.
Owner:HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY

Low heat conduction light heat insulating silica brick

The invention discloses a low heat conduction light heat insulating silica brick, comprising the following components by weight percent: 88-91% of silica flour, 2-6% of silica micro powder, 1-3% of lime putty powder and 2-5% of high temperature binding agent as well as 2-6% of sawdust. The silica brick produced according to the formula has the advantages of small volume weight, low heat conductivity factor and high strength.
Owner:施富贤

Preparation method of novel electric spark working solution

The invention belongs to the field of special machining and relates to a preparation method of a novel electric spark working solution. The preparation method comprises the specific steps: adding coal into coal oil according to the volume ratio of V<powder> to V<coal oil> of (0-0.9), and stirring and uniformly distributing; adding the obtained coal oil mixed with the powder into proper amount of deionized water; and stirring to obtain emulsion, namely the needed novel electric spark working solution. According to the novel electric spark working solution provided by the invention, the coal oil is suspended uniformly and is not easy to precipitate and aggregate under the tension effect of the deionized water based on a density balance principle; the novel electric spark working solution has the advantages of no combustion, low pollution, low cost, safety in utilization, small tool electrode loss, high machining efficiency, good quality of a machined surface and the like; the suspension position of the coal oil can be controlled through adjusting the ratio and tool electrode deposited carbon protection is formed to reduce electrode loss; meanwhile, the novel electric spark working solution can be used for machining mixed powder or carrying out reinforcing treatment on the surface of a workpiece.
Owner:HEFEI UNIV OF TECH
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