267results about How to "Increase turbidity" patented technology

The present invention provides a method of suppressing the formation of a soluble association of an antibody in a solution; a method of suppressing the formation of a chemically degraded product of an antibody in a solution; and a method of stabilizing an antibody in a solution. The present invention also provides a solution-type antibody preparation in which the formation of a soluble association is suppressed; a solution-type antibody preparation in which the formation of a chemically degraded product is suppressed; a solution-type antibody preparation in which the formation of a soluble association, the formation of a chemically degraded product and the formation of an insoluble aggregate are suppressed; an agent for suppressing the formation of a soluble association of an antibody; an agent for suppressing the formation of a chemically degraded product of an antibody; and a stabilizing agent for an antibody.

Methods and systems for forming a concentrate from an alcoholic beverage, such as a beverage made by fermentation processes. A membrane process may be used to reduce water and alcohol content, followed by freeze concentration to further reduce water content.

The invention provides antimicrobial compositions comprising one or more acid and one or more organic diol. In one embodiment, the invention's compositions have an acidic pH. The compositions may optionally further contain one or more oxidizing agent (including stabilized oxidizing agent and / or unstabilized oxidizing agent), and / or one or more surfactant. In particular embodiments, the acid lacks one or both of —NH group and —NH2 group. The invention's compositions are useful in all stages of handling agricultural products, in hospitals, and in commercial and household applications.

The invention discloses a procalcitonin (PCT) latex enhanced immunoturbidimetry detection kit and a preparation method thereof. The procalcitonin latex enhanced immunoturbidimetry detection kit comprises a reagent R1 and a reagent R2, wherein the reagent R1 mainly comprises a buffer solution 1, a stabilizing agent 1, a preservative 1, a coagulation increasing agent, a protective agent 1 and EDTA (Ethylene Diamine Tetraacetic Acid); the reagent R2 mainly comprises a buffer solution 2, a stabilizing agent 2, a preservative 2, a polystyrene latex microballon sphere, a PCT antibody and a protective agent 2; the particle size of the polystyrene latex microballon sphere in the reagent R2 is 100-600nm, the PCT antibody is one or more of a mouse anti-human PCT antibody, a goat anti-human procalcitonin antibody or a rabbit anti-human procalcitonin antibody, and the PCT antibody is connected with the polystyrene latex microballon sphere in a covalent coupling or physical absorption manner. Compared with the prior art, the PCT detection kit provided by the invention has the advantages of low preparation cost, good stability, high detection sensitivity and strong specificity, is easy to store, and is easily popularized in clinical.

According to the present invention, the expansion of measurable concentration range for an antigen in a sample solution can be achieved, without a step of dilution or the like. The concentration of an antigen contained in a sample solution is determined from the maximum value and / or minimum value of turbidity level detected in the observation of the transient phenomenon of turbidity, elapsed time when the maximum and / or minimum value is observed, and turbidity level.

The invention relates to a preparation method of a magnetic nanometer Fe3O4 compound flocculating agent and water treatment magnetic separation application, belonging to the technical field of waste water treatment. In the preparation method, iron dichloride, iron chloride, aluminum sulfate and concentrated ammonia water are taken as main raw materials, the magnetic compound nanometer Fe3O4 flocculating agent is prepared by adopting a coprecipitation method, and the magnetic compound nanometer iron oxide flocculating agent is applied to waste water treatment. The method has the advantages of high yield, low cost, easiness for operation, no secondary pollution and good treating effect on typical pollutants in industrial waste water.

The invention provides a method suitable for ecologically cultivating laying hens in a tea garden. The method comprises the following steps of: cultivating the laying hens with age of 1-20 days indoors, wherein a feed formula is as follows: each 100g of feed comprises the following components of: 51g of corn, 14g of bean pulp, 5g of wheat bran and 30g of rice bran; cultivating the laying hens with the age of 21-60 days indoors, wherein a feed formula is as follows: each 100g of the feed comprises the following components of: 62g of corn, 11g of bean pulp, 3g of wheat bran, 2g of fish meal, 3g of cottonseed dreg and 4g of rapeseed dreg; and stocking the laying hens with the age of 60 days in the tea garden. According to the method suitable for ecologically cultivating the laying hens in the tea garden, disclosed by the invention, nutrition requirements of free-range laying hens can be realized, and eggs without drug residue and with good quality are produced; and simultaneously, zero discharge of nitrogen and phosphorus organic matters can be realized, and the growth of tea leaves of the tea garden is favorable, thus a three-dimensional ecological cultivation mode of coexistence of tea and hens is realized.

The embodiment of the invention relates to the field of immunodetection, in particular to a human serum amyloid protein A determination kit with high sensitivity and a wide detection range. The humanserum amyloid protein A determination kit comprises a reagent 1, a reagent 2 and SAA calibrators with different concentration gradients, wherein the reagent 2 comprises carboxylated latex microspheresonly labeled with human SAA monoclonal antibodies and carboxylated latex microspheres only labeled with human SAA polyclonal antibodies; the average particle size of the carboxylated latex microspheres only labeled with the human SAA monoclonal antibodies is larger than the average particle size of the carboxylated latex microspheres only labeled with the human SAA polyclonal antibodies. The kitcan be used for detecting a single sample within 10 minutes; the kit has the advantages that the kit is simple in structure and excellent in precision, accuracy, linearity, interference resistance andother indexes, can well diagnose early inflammation of infectious diseases, can detect the content of SAA in serum and the content of SAA in blood plasma, is very suitable for clinical biochemical analyzers, and greatly facilitates clinical examination.

A rain sewage retention tank with a function of coagulation sedimentation comprises a mixing tank, a first flocculation tank, a second flocculation tank, a third flocculation tank, a sedimentation tank and a water collection tank, wherein a stirring device is respectively arranged in the mixing tank, the first flocculation tank, the second flocculation tank and the third flocculation tank. A water inlet of the mixing tank is connected with a water inlet pipe, the mixing tank is communicated with the first flocculation tank through a first water passing hole, the first flocculation tank is communicated with the second flocculation tank through a second water passing hole, the second flocculation tank is communicated with the third flocculation tank through a third water passing hole, the second flocculation tank and the third flocculation tank are respectively provided with a plurality of water passing holes communicated with the sedimentation tank, the sedimentation tank is communicated with the water collection tank through an overflow dam opening at the top of the sedimentation tank, and a water outlet pipe is arranged on the water collection tank. The rain sewage retention tank is low in building cost and high in removal rate of turbidity and chemical oxygen demand (COD) of original rainwater. The removal rate of the turbidity and the removal rate of the COD can both reach more than 90%, so that pollution of the original rainwater on water bodies is greatly reduced.

Provided is a separation membrane element for filtration which has excellent filtration performance and is excellent in terms of chemical resistance and mechanical strength and with which a stable permeation flow rate can be obtained over a long period of time. A separation membrane element for filtration is configured to perform solid-liquid separation treatment by being immersed in a liquid to be treated which contains a suspended component, and includes a cylindrical filtration membrane obtained by forming a porous sheet including at least an expanded porous PTFE (polytetrafluoroethylene) membrane into a cylindrical shape and in which a hollow surrounded by the porous sheet serves as a treated-liquid passage; a support member for maintaining the hollow serving as the treated-liquid passage; and sealing parts which seal both axial-direction ends of the cylindrical filtration membrane so as to leave at least one treated-liquid takeout opening open.

The present invention relates to a filtering apparatus and method for mixing a compound of solid and fluid phases, separating the phases and / or extracting fluid from the compound. One embodiment of the invention discloses a filtering apparatus comprising a first filter section accommodating a first group of filter members, and a second filter section accommodating a second group of filter members, a piping system providing pipelined fluid communication between the filter sections and between a filter section and said filter section's corresponding group of filter members, the piping system configured such that the filter members form filtered fluid openings of the filtering apparatus, and circulation means, such as a pump, configured for passing fluid in a forward flow and / or in a reverse flow between the filter sections. In particular, the invention may be used for the mashing process in a beer brewing procedure.

The invention relates to an in vitro diagnostic kit and in particular relates to a D-dimmer latex-reinforced immunonephelometry detection kit cooperatively adopting an ion stabilizer and a suspension stabilizer. The D-dimmer latex-reinforced immunonephelometry detection kit cooperatively adopting the ion stabilizer and the suspension stabilizer comprises two components, namely a reagent R1 and a reagent R2, wherein the reagent R1 mainly consists of a buffer solution 1, a stabilizer 1, a preservative 1, a coagulation accelerator and a protective agent 1; the reagent R2 mainly consists of a buffer solution 2, two polystyrene latex microspheres crosslinked with different D-dimmer monoclonal antibodies, a stabilizer 2, a protective agent 2 and a preservative 2, and the stabilizer 2 in the reagent R2 adopts the ion stabilizer and the suspension stabilizer which are used cooperatively. Compared with the prior art, the D-dimmer latex-reinforced immunonephelometry detection kit cooperatively adopting the ion stabilizer and the suspension stabilizer has the advantages that a latex-reinforced immunonephelometry method is adopted, and detection can be carried out under the condition that wavelength is 400-800nm, so that the detection is easier and the D-dimmer latex-reinforced immunonephelometry detection kit cooperatively adopting the ion stabilizer and the suspension stabilizer can be applied in clinical more easily.

Siliceous materials were prepared by adding one or more additives, including one or more water soluble polymers, and derivatives thereof, as well as trifunctional silanes, to sols containing tetraalkoxysilanes derived from polyols. The polymers facilitate phase separation of the growing silica gel matrix, leading to high surface area self-supporting silica gels with cure occurring at ambient temperatures. The materials also show a significant reduction in shrinkage properties and significant protein stabilization abilities.

The present invention relates to an ultraviolet absorber for synthetic resins composed of a triazine compound represented by the general formula (I) shown below (wherein R represents an alkyl group having 1 to 4 carbon atoms, n is 0 or an integer of up to 2, and X represents a group selected from the consisting of group (a) to (d) shown below) (wherein R<1> represents an aliphatic group having 5 to 60 carbon atoms, which is an alicyclic group, an alkyl group having an alicyclic group at the terminal or in the chain thereof, an alkyl group having a branch, or a linear alkyl group, depending on the number of carbon atoms; R<2> represents an alkyl group having 1 to 18 carbon atoms or a (poly)alkyleneoxyalkyl group; R' represents an aliphatic diyl group having 5 to 60 carbon atoms; R and n have the same meanings as those described in the general formula (I) above).

The present invention relates to an extra-high molecular cation polyacrylamide preparation method. Said preparation method includes the steps of copolymerization of acrylamide and ammonium (methyl) acryloyloxyethyltrimethyl chloride aqueous solution, monomer refinery, purification, adding multicomponent initiator and additive, polymerization, heat-insulating, granulating, drying, pulverizing and sieving so as to obtain the invented extra-high molecular cation polyacrylamide whose molecular weight is 23000000 and dissolving speed is less than or equal to 30min. The invented product can be used as water-purifying agent for treating waste water and sewage in the several extensive fields.

The invention relates to a beet pectin and an extraction method thereof, and concretely relates to a beet pectin with good emulsibility, good emulsification stability and excellent yield stress, and an extraction method thereof. An acid extraction-cooling-pH adjustment-alcohol precipitation technology adopted by the extraction method further improves the emulsion turbidity, the purity and the yield stress of the obtained beet pectin. The beet pectin is especially suitable being used in stabilizers and emulsifiers in the food industry in order to improve the economic benefit of the sugar industry, and provides a good approach for further comprehensive utilization of wastes.

The invention discloses a method and a system for treating water pollution by utilizing in-situ micro-nano air flotation. The system comprises a micro-nano air flotation machine, a highly-efficient microbubble matrix, a water surface blue-algae collection matrix, a flotation-sedimentation integrated pool and a dehydration pool, wherein the highly-efficient microbubble matrix is arranged at the periphery and the bottom part of the system; the water surface blue-algae collection matrix is arranged at the periphery of the system and connected with an inlet of the flotation-sedimentation integrated pool through a pipeline; the micro-nano air flotation machine is connected with the highly-efficient microbubble matrix through a pipeline; the flotation-sedimentation integrated pool is also connected with the dehydration pool through a pipeline; and the dehydration pool is connected with an algae residue packaging machine which is connected with a belt conveyor. The device and the method provided by the invention reach a clearance rate of 92 to 95% to blue algae in a natural water body, can reach a clearance rate of 93% or above to ammonia nitrogen, total phosphorus and total nitrogen; and suspended substances and turbidity of effluent quality stably reach surface water standards of class-I to class-II.

The invention relates to a complex microbial inoculant for preventing and treating cyanobacterial bloom in aquaculture as well as a preparation method and an application of the complex microbial inoculant. The complex microbial inoculant comprises fermented Bacillus subtilis MES 810 powder and fermented Bacillus amyloliquefaciens MES812 powder in a mass ratio being 1:1. The complex microbial inoculant is prepared from the fermented Bacillus subtilis powder and the fermented Bacillus amyloliquefaciens powder by sufficient mixing in a mass ratio being 1:1, the viable count of the fermented Bacillus subtilis powder is not lower than 2.0*10<10>cfu / g, and the viable count of the fermented Bacillus amyloliquefaciens powder is not lower than 4.0*10<9>cfu / g. The prepared complex microbial inoculant for preventing and treating cyanobacterial bloom in aquaculture not only has an inhibition effect on cyanophyta algae, but also has no influence on other beneficial algae, thereby being an environment-friendly product.

The invention discloses a tap water flocculation purifying agent, which is composed of chitosan, polyaluminum trichloride, montmorillonite auxiliary agent and powdered activated carbon, wherein the powdered activated carbon accounts for 5-12wt% of the total amount, and the shell Polysaccharide is a 0.05wt%-0.5wt% chitosan solution made by dissolving 1% glacial acetic acid; polyaluminum trichloride is a 5-15wt% polyaluminium chloride solution; montmorillonite additive It is a 1wt%-6wt% montmorillonite solution prepared with distilled water and composed of montmorillonite: sodium polyphosphate: sodium carbonate in a weight ratio of 40-70: 15-25: 10-20; chitosan Sugar solution: polyaluminum trichloride solution: montmorillonite solution is 1:3:1 (weight ratio). Compared with polyaluminum trichloride, the present invention reduces residual aluminum ions by more than 65% and reduces turbidity by more than 20% in the treated tap water, and the treatment cost is lower, which is better than that of water treated with traditional tap water flocculants.

The invention belongs to the technical field of food additives and functional food and particularly relates to a beverage emulsion with coloring and flavoring functions and a preparation method thereof. The preparation method comprises the following step that 1, modified starch and hydrophilic colloid are weighed out according to a certain proportion and dissolved in water with the temperature of 60 DEG C to 80 DEG C, an emulgator and an antioxidant are added, and a water phase is obtained; 2, citrus fruit peel oil or fruit oil, edible vegetable oil and a weighting agent are weighed out according to a certain proportion, when the mixture is heated to be 140 DEG C to 150 DEG C, carotenoid is added and fast stirred to be dissolved, an antioxidant is added after the mixture is cooled, and even stirring is carried out to obtain an oil phase; 3, at room temperature, the oil phase is slowly added to the water phase for high-speed shearing, and a crude emulsion is obtained; 4, the crude emulsion is homogenized through a high-pressure homogenizer, and the beverage emulsion uniform in particle size is obtained. The beverage emulsion is used for food, has multiple functions, can increase the turbidity of a beverage, and is used for coloring the beverage, and certain fragrance is given to the food.

The invention relates to the water treatment technology, especially a gas field methanol sewage treatment technology which at least includes pretreating technology, methanol reclaiming technology and sewage back-flowing technology. The characteristic of the invention: after removing oil, adjusting Ph value, oxidizing to remove iron and flocculating / precipitating, separate the methanol from the sewage in the methanol-reclaiming device the core of which is dephlegmation tower, the treated water goes back to stratum. The invention finally managed to reclaim the methanol with zero release of waste liquids. The methanol-reclaiming dephlegmation tower adopts ''filling material + sieve pore (or oblique aperture)'' and ''floating valve + sieve pore (or oblique aperture)'' complex tower model to solve many problems such as obstructing and the adaptability of the dephlegmation tower to the large change of methanol content in different sewages.

The invention discloses a method for preparing a compound water purifying agent for emergency treatment of water pollution of a drinking water source, which comprises the following steps of: grinding concave soil raw ore into fine powder, and sieving by using a sieve with 100 to 300 meshes to obtain concave soil powder; calcining the concave soil powder at the temperature of between 350 and 500 DEG C for 1 to 5 hours, or radiating the concave soil powder by using microwaves with the power of 300 to 600W for 5 to 15 minutes to obtain modified concave soil; and mixing the modified concave soil and an inorganic polymer coagulant accounting for 5 to10 weight percent of the modified concave soil and potassium permanganate accounting for 1 to 5 weight percent of the modified concave soil in aqueous solution, stirring for uniform dispersion, drying, and grinding to obtain the water purifying agent finished product. The compound water purifying agent can obviously reduce the content of organic matters, algae toxins, heavy metals and the like in the water of the polluted drinking water source, the manufacturing cost is low, the operating process is simple, the sedimentation velocity is high, the sludge volume is small, the residues of inorganic reagents are a few, and the compound water purifying agent has chemical and biological safety and is a novel environment-friendly and high-efficiency water purifying agent for emergency treatment of the water pollution of the drinking water source.

The invention provides a recycle system for recycled water for copper mine wastewater. The system mainly comprises the following treatment units such as a pH adjusting pond, an electrolytic sedimentation tank, a heat exchanger, an active carbon filter, a cartridge filter and a reverse osmosis (RO) device. Specifically, the pH adjusting pond is used for adjusting the pH value of wastewater to be neutral. A magnetic field is applied in the process of electrolysis, wherein the magnetic field is parallel to the direction of the surface of an electrode. The water treated by the electrolytic sedimentation tank enters into the heat exchanger through an intermediate water tank and an intermediate water pump. The water outlet and inlet active carbon filter is used for further removing the SS (suspended solids), the colloid, the organic substances and the like in the water. The discharged water of the active carbon filter enters into the cartridge filter, so that the impurities such as fine particles and the like in the water can be further removed. The product water of the RO device flows into a recycle water tank to be recycled after being sterilized by a sterilizer, the crystal substance can be recycled after the concentrate of RO is evaporated by a triple effect evaporator, and the condensate also can enter into the recycle water tank to be recycled.

A multi-layered medical container formed by a multi-layered film, in which an innermost layer is a layer comprising a cyclic polyolefin or a polymer blend containing the cyclic polyolefin, and a layer, which is adhered to the above-described layer, having a linear polyolefin or polyamide is provided. Also, a multi-layered medical plural chamber container which includes a body divided by a peelable seal portion into a medical liquid-containing chamber that stores the medical liquid and a medicament-containing chamber that stores the medicament is provided.

The present invention provides an optical pressure-sensitive adhesive sheet excellent in anti-foaming release property in which whitening due to humidification hardly occurs. The invention relates to an optical pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition including: an acrylic polymer (A) which has a weight average molecular weight of 100,000 to 3,000,000 and is formed from a component including, as essential monomer components, a monomer having a nitrogen atom in a molecule thereof and a monomer having a hydroxyl group in a molecule thereof; and an acrylic polymer (B) having a weight average molecular weight of 1,000 to 30,000.

The embodiments of the invention relate to the field of immunoassay, and in particular to a human heparin binding protein assay kit with high sensitivity and wide detection range. The human heparin binding protein assay kit comprises: a reagent 1, a reagent 2 and human HBP calibrators with different concentration gradients. The reagent 2 comprises a carboxyl latex microsphere labeled only with human HBP monoclonal antibody and a carboxyl latex microsphere labeled only with human HBP polyclonal antibody. The average particle diameter of the carboxyl latex microsphere labeled only with the humanHBP monoclonal antibody > the average particle diameter of the carboxyl latex microsphere labeled only with the human HBP polyclonal antibody. The human heparin binding protein assay kit provided bythe invention can complete a single sample test within 10 minutes, and indexes of precision, accuracy and anti-interference are excellent. The invention can be used clinically to predict an organ dysfunction caused by sepsis, and can be used as an early diagnostic marker for sepsis, especially serious bacterial infection.

The invention relates to a clean water treatment combined system and a combined technology of water supply plants. The clean water treatment combined system comprises a high-efficient settling pond, an ozone biological active carbon unit and an immersed type ultrafiltration membrane pond which are connected successively. The ozone biological active carbon unit comprises a post ozone contact reactor and an upward flow ozone biological active carbon filter. Water flow direction of the upward flow ozone biological active carbon filter is upward, and active carbon is always in a fluidized state, so that in a process of back wash, water dedicated for back wash is not needed, and excellent wash effect can be achieved only by means of gas back wash. According to the clean water treatment combined system and the combined technology, high-efficient precipitation technology, upward flow ozone biological active carbon technology and immersed type ultrafiltration membrane treatment technology are combined, so that it is effectively ensured that various water quality indexes of discharged water are capable of meeting with or are superior to national Domestic Drinking Water Hygienic Standard (GB 5749).

The invention provides a method for preparing a water purifying agent containing polyaluminum sulfate from aluminum ash, sulfuric acid and optional red mud, and the method comprises the following steps: uniformly mixing the aluminum ash with sodium carbonate and / or sodium hydroxide and a calcium-containing raw material, roasting at 400-1000 DEG C in an oxidizing atmosphere, reacting a roasted product with the sulfuric acid and the optional red mud until the pH value of slurry filtrate is 3.0-4.0, Al2O3 accounts for 5-12m%, and the basicity is 40-75, filtering to obtain filtrate as the water purifying agent containing the polyaluminum sulfate, and washing filter residue to obtain solid residue for further utilization or tockpiling and landfill. Through the steps of mixing and roasting, theflammable and combustible problems of hydrogen released by metal aluminum hydrolysis or acidolysis, the ammonium nitrogen problem in purified water caused by entering of ammonium produced by acid hydrolysis of aluminum nitride into the water purifying agent, the activation problem of low-activity alumina, especially alpha-alumina, and the problems of stabilization and harmlessness of fluorine in the aluminum ash which need two or three steps to be treated in the prior art can be solved in one time. The hardness of treated water increases slightly during the use of the water purifying agent product.

The invention discloses a composite mineral crystal capable of improving water quality, strengthening immunity and facilitating cardiovascular and cerebrovascular diseases. The composite mineral crystal is prepared from the following components in parts by weight: 10 to 15 parts of medical stone, 5 to 10 parts of wooden fish stone, 5 to 10 parts of tourmaline, 30 to 55 parts of activated zeolite, 5 to 10 parts of celestite and 15 to 40 parts of kaolin. Meanwhile, the invention provides a preparation method of the composite mineral crystal. The surface area of the composite mineral crystal is increased by using supplementary strontium element of the added celestite and a secondary honeycomb wrapping burning technology, and the mineralization speed and effect are greatly improved, so that the precipitation of trace elements, particularly the precipitation of the strontium element, is more abundant, heavy metals are absorbed, and the composite mineral crystal has the effects of promoting metabolism, strengthening immunity, improving water quality and facilitating cardiovascular and cerebrovascular diseases.

The invention provides a method for preparing a water purifying agent containing polyaluminium chloride from aluminium ash, comprising the steps of: roasting aluminium ash, calcium carbonate and / or calcium oxide in an oxidizing atmosphere; allowing the roasted product to react with hydrochloric acid to prepare the water purifying agent containing polyaluminium chloride, and water washing the obtained filter residue to be used as the solid residue used for other purposes or being piled up and buried. The method oxidizes the metal aluminum contained in the aluminum ash into aluminum oxide, oxidizes the contained aluminum nitride into aluminum oxide and nitrogen, allows the aluminum oxide with low reaction activity to react to generate calcium aluminate, and thus the aluminum oxide is activated, thereby solving the flammable and explosive problems of generating hydrogen gas during metal aluminum hydrolysis or acidolysis, and solving the problem of purified water containing ammonium nitrogen caused by ammonium generated by ammonium nitride hydrolysis enters the water purifying agent; furthermore, polyaluminum chloride water purifying agent and polyaluminum ferric chloride composite water purifying agent are prepared. The process is simplified, the investment and operation cost are low, and the filter residue is a general solid waste.