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56results about How to "Helps to separate out" patented technology

Steel plate and preparation method thereof

The invention relates to a steel plate and a preparation method thereof. The steel plate is a 600MPa grade cold-rolled dual-phase steel plate with low yield ratio and comprises the following components by mass percent: 0.05-0.09% of C, 0.2-0.5% of Si, 1.4-1.8% of Mn, 0.020-0.060% of Als, not more than 0.4% of Cr, not more than 0.02% of P, not more than 0.01% of S and the balance of Fe and inevitable impurities. The method comprises the following steps: smelting; continuous casting; hot rolling; acid pickling and cold rolling; continuous annealing; finished product obtaining. The steel plate has the beneficial effects that on the basis of a C-Mn system, the contents of C and alloying elements are reduced to improve the weldability of the material; the content of Si in the design is lower and meanwhile high hydrogen annealing is adopted in the continuous annealing production process, so that the produced dual-phase steel has better surface quality; on the basis, the distribution state of martensite can be improved by adding proper amount of Cr, thus being beneficial for giving play to the plasticity; meanwhile, the continuous annealing production speed can be properly reduced and then the shape of the steel plate can be improved by reducing the yield ratio of the dual-phase steel.
Owner:MAGANG (GROUP) HOLDING CO LTD +1

Flue gas desulfurization method and flue gas desulfurization device

The invention discloses a flue gas desulfurization method and a flue gas desulfurization device. The flue gas desulfurization method comprises the following steps: spraying newly supplemented desulfurizing agent slurry into a desulfurizing tower through the highest spray level of the desulfurizing tower; controlling the sulfur dioxide concentration of the flue gas at the outlet of the desulfurizing tower through adjusting the concentration and / or the spray flow of the newly supplemented desulfurizing agent slurry. According to the flue gas desulfurization method, the newly supplemented desulfurizing agent slurry is sprayed into the desulfurizing tower through the highest spray level of the desulfurizing tower, and the characteristic that the capability of the newly supplemented desulfurizing agent slurry to absorb low-concentration sulfur dioxide in flue gas is far higher than that of a circulating desulfurization slurry with relatively low pH value as the pH value of the newly supplemented desulfurizing agent slurry is far higher than that of the circulating desulfurization slurry is fully utilized, so that the sulfur dioxide concentration of the flue gas at the outlet of the desulfurizing tower can be quickly adjusted; the method directly responses to the target concentration value of the flue gas at the outlet of the desulfurizing tower, and has the advantages of being high in response speed, high in adjustment precision and good in adjustment quality.
Owner:苏跃进

Method for producing collagen peptide by using cod skin as raw material

The invention belongs to the technical field of collagen peptide preparation, and particularly relates to a method for producing collagen peptide by using cod skin as a raw material. The method comprises the following steps: cleaning cod skin, adding a gradient sodium chloride- citric acid aqueous solution, stirring and soaking, dropwise adding a calcium bicarbonate aqueous solution, continuouslysoaking, filtering after soaking, cleaning the cod skin with deionized water, airing the surface moisture of the cod skin, adding an acetic acid solution and sodium alginate, swelling, pulping, adjusting the pH value, obtaining fish skin pulp for later use; and adding papain and squalene into the fish skin pulp, carrying out enzymolysis, carrying out enzyme deactivation after the enzymolysis is finished, centrifuging, taking the supernatant, carrying out ultrafiltration on the supernatant, and carrying out freeze drying. According to the extraction method provided by the invention, the collagen body yield can be increased, the extracted collagen peptide is high in purity, uniform in molecular weight distribution, high in oxidation resistance and free of peculiar smell, the bitter and fishysmell of the collagen peptide prepared from aquatic products is reduced to the maximum extent, and the enzymolysis time is greatly shortened.
Owner:山东恒鑫生物科技有限公司

Wall-breaking and surfactant-assisted method used for extracting grease from microalgae containing oil

The invention discloses a wall-breaking and surfactant-assisted method used for extracting grease from microalgae containing oil. The wall-breaking and surfactant-assisted method comprises following steps: (1) pH value of a suspension liquid of microalgae containing oil is adjusted to be 7.5 to 14, and is subjected to hydro-thermal treatment; (2) after hydro-thermal treatment, enzymatic hydrolysis is carried out in the presence of enzymes; and (3) after enzymatic hydrolysis, a surfactant is added for reaction, and an organic solvent is added for extraction and separation of grease. Grease extraction rate of the wall-breaking and surfactant-assisted method is high; operation conditions are mild; nutritional ingredients of microalgae can be maintained effectively; using amount of the organic solvent is small; the wall-breaking and surfactant-assisted method is friendly to the environment, is low in energy consumption, and is suitable for nannochloropsis oculata, chlorella, diatom, scenedesmus, and monoraphidium komarkova-legnerova; and application range is wide.
Owner:CHINA PETROLEUM & CHEM CORP +1

Salted fish of lemon flavor and preparation method thereof

InactiveCN105707748AHelps to separate outHas the function of promoting body fluid and invigorating the spleenFood ingredient as antioxidantFood ingredient as taste affecting agentSilver carpHerb
The invention discloses salted fish of lemon flavor. The salted fish is prepared from, by weight, 400-450 parts of silver carp, 14-15 parts of pepper leaves, 7-8 parts of fresh hawthorn fruits, 9-11 parts of fresh lemon, 1-1.1 parts of radix glycyrrhizae, 1-1.3 parts of semen cassia, 0.8-0.9 part of fructus tsaoko, 4-5 parts of white granulated sugar, 5-6 parts of Chinese date powder, 3-4 parts of star aniseed powder, 2-3 parts of ginger powder, 15-20 parts of salt and a proper quantity of water. The salted fish is unique in flavor due to the adopted lemon and other auxiliary materials, and the functions of promoting the secretion of saliva or body fluid and tonifying the spleen and promoting appetite and digestion are further achieved; meanwhile such herb ingredients as the radix glycyrrhizae are added, and the salted fish has the effects of tonifying the spleen and qi, clearing heat and moistening the lung.
Owner:吴伦

Method for detecting yeast beta-glucan in milk or milk product

ActiveCN105738488ALow detection limitExcellent detection sensitivityComponent separationAlkaline proteaseNeutral protease
The invention relates to a method for detecting yeast beta-glucan in milk or a milk product. The method comprises 1, pretreatment: carrying out enzymolysis on milk or a milk product through a neutral protease or an alkaline protease, carrying out centrifugation on the enzymolysis product, cleaning the precipitates obtained through centrifugation through pure water or deionized water, adding an monobasic acid into the precipitates and carrying out heating hydrolysis, and 2, analysis: determining glucose content of the pretreatment product through ion chromatography and calculating yeast beta-glucan content of the milk or milk product.
Owner:COFCO GROUP +1

Baked dried bamboo shoot and making process thereof

The invention relates to a baked dried bamboo shoot making process. The process comprises the following steps: I, pretreatment: removing hulls from fresh bamboo shoots, and cleaning; II, reshaping: removing non-edible parts of the fresh bamboo shoots cleaned in the step I, slicing the fresh bamboo shoots into bamboo shoot slices, bamboo shoot strips or shredded bamboo shoots; III, baking: placing the bamboo shoot slices, bamboo shoot strips or shredded bamboo shoots obtained in the step II into a baking device for baking, wherein baking comprises three stages: in a stage I, the baking temperature is 50-80 DEG C, and the baking time is 1-5h; in a stage II, the baking temperature is 85-115 DEG C, and the baking time is 10-20h; in a stage III, the baking temperature is 70-90 DEG C, and the baking time is 5h; IV, packaging: taking the bamboo shoot slices, bamboo shoot strips or shredded bamboo shoots baked in the step III out, cooling to the normal temperature, and packaging. The invention further relates to dried bamboo shoots made according to the process. The dried bamboo shoots have low water content and high rehydration speed, and have crispy mouthfeel without pasting after rehydration, and the original faint scent and sweetness of the bamboo shoots are kept.
Owner:福建省三明市农旺笋业有限公司

Formula of brass colorful ceramic plate and preparation method thereof

InactiveCN112679090ABlank glaze has good adaptabilityReduce high temperature viscosityGlazeLithium carbonate
The invention discloses a formula of a brass colorful ceramic plate, the brass colorful ceramic plate comprises a ground coat and a surface coat, the ground coat comprises the following raw materials by mass fraction: 71-73% of feldspar, 4-6% of quartz, 7-9% of titanium dioxide, 11-13% of lithium carbonate, 2-4% of ferroferric oxide, and 1-2% of nickel carbonate; the surface coat is prepared from the following raw materials in percentage by mass: 71-73 percent of feldspar, 4-6 percent of quartz, 7-9 percent of titanium dioxide, 11-13 percent of lithium carbonate, 1-2 percent of ferroferric oxide and 2-4 percent of calcined zinc oxide. The invention further provides a preparation method of the brass colorful ceramic plate. According to the invention, a Li2O-Al2O3-SiO2 formula system is adopted, titanium dioxide is introduced, different metal oxides are respectively added through the ground coat, different planar effects can be obtained, and the pottery clay plate prepared from the glaze has colorful glaze color effects.
Owner:JIANGSU CN ECO MATERIALS CO LTD

Method for preparing imatinib mesylate in alpha crystal form conveniently and rapidly

The invention relates to a method for preparing imatinib mesylate in the alpha crystal form conveniently and rapidly. The method specifically includes the steps that 4-(4-methyl piperazine methyl) benzoic acid dihydrochloride shown in the second formula and N-(5-amino-2-methyl benzene)-4-(3-pyridyl)-2-amino pyrimidine shown in the third formula serve as initial raw materials, and by using methyl sulfonyl chloride, a one-pot method is conveniently, rapidly and efficiently applied to obtain imatinib mesylate crude products; then, by re-crystallizing and adding a proper amount of seed crystals, high-purity imatinib mesylate crystals in the alpha crystal form are obtained. The preparation method is few in synthesis step, easy and convenient to operate, high in yield, high in purity of alpha crystal form of the products, low in production cost and favorable for industrialized production.
Owner:NANJING YOUKE BIOLOGICAL MEDICAL RES +2

Method for in-situ precipitation and separation of arsenic in copper electrolyte

The invention discloses a method for in-situ precipitation and separation of arsenic in copper electrolyte. In a copper electrolytic refining process, the current density is controlled to be 400-600 A / m2; reaction is performed adopting a way that liquid is fed from bottom and discharged from the top or the liquid is fed between parallel polar plates; and moreover, BiAsO4 seed crystals are added after the reaction is performed for at least 4 hours so as to from in-situ induction of arsenic-containing crystalline precipitates in the copper electrolyte. according to the method disclosed by the invention, by utilizing the characteristic that substances containing arsenic, stibium and bismuth in the copper electrolyte can easily react with one another and on the premise of guaranteeing normal running of an electrolysis process, the formation and growth of arsenic-containing crystalline precipitates are induced by a synergistic effect of relevant parameters (current density, circulation wayof the electrolyte, the distance between an anode plate and an electrolyte inlet, and the concentration of the seed crystal) during electrolytic refining, thereby realizing high-efficiency sedimentation of the precipitates in the electrolyte and in-situ separation between the precipitates and muddy substances such as anode mud.
Owner:CENT SOUTH UNIV

Rotary micro-channel plate etching device and etching method

The invention provides a rotary micro-channel plate etching device and an etching method. The rotary micro-channel plate etching device comprises a motor, a hydraulic transmission assembly, a tray, aquartz etching clamp, a liquid supply and discharge system and an ultrasonic device, wherein the hydraulic transmission assembly is provided with a hydraulic transmission shaft; the tray is used for placing an etching clamp and is connected with the hydraulic transmission assembly; the quartz etching clamp is arranged in an etching tank on the tray; the ultrasonic device is used for cleaning the micro-channel plate; the torsion output by the motor is applied to the tray through the hydraulic transmission assembly, the tray is driven to rotate in the circumferential direction, the hydraulic transmission assembly is a liftable hydraulic transmission assembly, and the tray is driven by the hydraulic transmission assembly to ascend and descend to enter and disengage from the etching tank; theetching tray and the motor are arranged on the upper side and the lower side of the etching liquid level through a hydraulic connecting rod assembly, the liquid in the etching tank completely submerges the quartz etching clamp in the etching process, and rapid etching of the micro-channel plate is achieved through rotation of the tray.
Owner:NORTH NIGHT VISION TECH

Arrowroot flour fish noodle and preparing method thereof

The invention discloses arrowroot flour fish noodle and a preparing method thereof. The arrowroot flour fish noodle comprises, by weight, 100 parts of strong flour, 150-170 parts of grass carp, 20-25 parts of sweet potato starch, 10-15 parts of puerarin powder, 1.5-2 parts of salt, 1.0-2.0 parts of white sugar, 0.5 part of sodium glutamate, 0.5 part of disodium 5'-ribonucleotide, 0.5 part of food base, 5-6 parts of salad oil, 8 parts of fresh ginger, 0.0675 part of sodium tripolyphosphate, 0.0675 part of sodium pyrophosphate, 0.045 part of sodium hexametaphosphate and 82 parts of water. According to the arrowroot flour fish noodle and the preparing method thereof, the prepared protein content of the arrowroot flour fish noodle is 9% or higher, meat and vegetables are in complementation, the biological value is high, the content of sodium chloride is smaller than 2.0%, and the arrowroot flour fish noodle belongs to high-protein and low-salinity food.
Owner:WUHAN BUSINESS UNIV

Casting system and casting method of cylinder barrel

The invention discloses a casting system and casting method of a cylinder barrel. The casting system comprise a casting mold cavity and a pouring system, wherein the casting cavity comprises a cylinder barrel cavity body, a through hole is axially formed in the cylinder barrel cavity body, the cylinder barrel cavity body is composed of a cylinder barrel head part and a middle body part, the diameter of the cylinder barrel head part is larger than that of the middle body part, a radial protruding block is arranged on the cylinder barrel head part, and a supporting fixing hole and an oil passagehole are formed in the protruding block; the pouring system comprises a sprue, a transverse runner and an inner sprue, the sprue vertically communicates with the transverse runner, the two ends of the transverse runner communicate with the inner sprue through risers, and the inner sprue communicates with a convex block of the casting cavity; and the supporting fixing hole is filled with a first sand core, and an axial through hole of the cylinder barrel cavity body is filled with a second sand core. The casting system has the advantages that parts with the wall thickness of a casting are notprone to shrinkage and loosening defect generating, particularly, the casting defect is not easy to occur among the supporting fixing hole, the oil passage hole and the inner surface of the cylinder barrel, and a chill structure cannot be easily generated in parts with the thin wall thickness.
Owner:宁波拓铁机械有限公司

Anti-swelling and pain-killing ointment and preparation method thereof

The invention discloses an anti-swelling and pain-killing ointment and a preparation method thereof, and relates to the technical field of medicines. The ointment comprises the following raw materials in parts by weight: 500 parts of excrementum pteropi, 150 parts of dandelion, 50 parts of carthamus tinctorius, 100 parts of cape jasmine fruit, 100 parts of frankincense, 100 parts of rhubarb, 100 parts of peach kernel, 100 parts of chaenomeles speciosa, 50 parts of dragon's blood, 100 parts of akebiaquinata, 50 parts of lumbricus, 40 parts of borneol and 100 parts of myrrhic. The preparation method comprises the following steps: A, mixing all the raw materials for grinding, and screening the grinded mixture to obtain mixed medicine powder; B, sufficiently and uniformly mixing the mixed medicine powder with a coagulant and alcohol to obtain the ointment, wherein the alcoholic strength of alcohol is 55%V / V; the weight ratio of the mixed medicine powder, the coagulant and alcohol is 1:4:0.2. Through adoption of the ointment provided by the invention, the problems that the conventional anti-swelling and pain-killing liquid medicine is volatile, high in irritation, high in probability of causing skin allergy and relatively poor in treatment effect.
Owner:南丹县中医院

Novel cladding alloy powder material with controllable thermal expansion and manufacturing method thereof

The invention relates to a cladding alloy powder material with controllable thermal expansion and a manufacturing method thereof, and belongs to the technical field of green remanufacturing. By addingZrW2O8 powder with a certain volume fraction on the basis of nickel-based self-fluxing alloy powder, the purpose of controlling the thermal expansion coefficient of composite cladding powder is achieved. The cladding alloy powder material is prepared from the following raw materials in volume fraction: (1) 70% of NiCrBSi powder and 30% of ZrW2O8 powder; (2) 60% of NiCrBSi powder and 40% of ZrW2O8powder; (3) 50% of NiCrBSi powder and 50% of ZrW2O8 powder; and (4) 40% of NiCrBSi powder and 60% of ZrW2O8 powder. The surface of 42CrMo steel is clad with the novel cladding alloy powder through alaser cladding technology, the novel cladding alloy powder is well bonded with a substrate interface, and a cladding layer is free of cracks. The thermal expansion coefficient of the cladding powder can be effectively controlled, and thus the crack problem caused by thermal stress in the cladding process is reduced; and meanwhile, the cladding layer formed by the composite cladding powder preparedby the method has the small friction coefficient.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Compound liquor composition helpful for improving immunity and preparation and use method thereof

The invention belongs to the technical field of Chinese herbal medicinal liquor, and discloses a compound liquor composition helpful for improving immunity and a preparation and use method thereof. According to the composition, spina date seeds nourish the heart, benefit the liver and help sleep; ginseng can soothe nerves and promote intelligence; chinese wolfberry can nourish liver and kidney; the jujube can tonify middle-Jiao and Qi; the astragalus membranaceus has the effects of promoting spleen yang and improving body muscle tone; cistanche has the effects of tonifying kidney and supporting yang; and cordyceps militaris can tonify kidney and lung. Gastrodia elata can stabilize liver yang; and the bamboo leaves have the effects of clearing heat and purging fire. The gastrodia elata and the bamboo leaves harmonize the medicines to relieve fire and remove toxin. The composition has the effects of improving immunity, promoting sleep, resisting fatigue, delaying senescence and improving the sub-health state. According to the preparation method, Maotai-flavor liquor is used for soaking the raw materials, alcohol permeates into the raw materials to facilitate separation of effective components in the raw materials, alcohol is used for achieving the sterilization effect to ensure safety and no toxic or side effect of the finished product, the finished product is brewed originally, long in preservation time and can be used by blending, and the taking is convenient.
Owner:张颖

Ass meat balls and preparation method thereof

The invention discloses ass meat balls. The ass meat balls are made from the following raw materials in parts by weight: 100-120 parts of ass leg meat, 10-30 parts of ice water, 3-10 parts of sugar, 2-6 parts of salt, 0.5-2 parts of gourmet powder, 1-5 parts of fresh minced garlic, 0.1-1 part of phosphate, 1-5 parts of ginger powder, 1-5 parts of pepper powder and 10-20 parts of cooking wine. The invention further discloses a preparation method. The products namely the ass meat balls disclosed by the invention are high in brittleness, large in elasticity, full of juice, tender in mouth feel and rich in fragrance.
Owner:SHAN DONG DONG E E JIAO

Manufacturing method of low-density, high-strength and high-toughness hot-rolled steel plate

The invention relates to a manufacturing method of a low-density, high-strength and high-toughness hot-rolled steel plate, the produced steel plate is a Fe-Mn-Al-C austenite low-density steel plate, the density of the steel plate is 6.75-7.05 g / cm < 3 >, and the material lightweight is remarkable. The yield strength of the steel plate is larger than or equal to 800 MPa, the tensile strength of the steel plate is larger than or equal to 900 MPa, the low-temperature impact toughness of the steel plate is kept at a high level while high strength is guaranteed, and the-40 DEG C V-type impact is larger than or equal to 50 J; the steel plate is excellent in machining performance, the material elongation is larger than or equal to 30%, cold bending meets D = 2a and 180 degrees (D represents the bending center diameter, and a represents the steel plate thickness), the surface quality is high, and internal flaw detection meets the requirement that the single defect equivalent flat-bottom hole diameter is smaller than or equal to phi 2 mm and is higher than the NB / T 47013.3-2015 forging ultrasonic detection I-level requirement. The high-strength and high-toughness steel plate is obtained by taking the steel ingot as a material and through an improved heating, multi-process rolling and rolled steel plate cooling mode, and industrial production is realized.
Owner:JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO LTD

Spicy salted fish and preparation method thereof

The invention discloses spicy salted fish which is prepared from, by weight, 400-450 parts of silver carp, 14-15 parts of pepper leaves, 8-10 parts of pumpkin seeds, 6-7 parts of bayberry juice, 1-1.2 parts of radix angelicae, 1.2-1.3 parts of osmanthus fragrans, 0.8-1 part of herba taraxaci, 4-5 parts of white granulated sugar, 5-6 parts of pepper powder, 3-4 parts of powder of Chinese prickly ash, 2-3 parts of caraway powder, 15-20 parts of salt and a proper amount of water. According to the spicy salted fish, the auxiliaries such as the pumpkin seeds have the effects of improving fragrance and also have the functions of lowering blood glucose, lowering cholesterol and resisting to aging; meanwhile, Chinese herbal medicine ingredients such as the herba taraxaci are added, and the effects of clearing away heat and toxic materials, inducing dieresis and removing stasis are achieved.
Owner:吴伦

Method for preparing alanyl-glutamine

The present invention relates to a method for preparing alanyl-glutamine. The method comprises the following steps: reaction of Boc-Alanine in the presence of thionyl chloride to obtain acyl chloride; reaction of the acyl chloride and N-hydroxysuccinimide under alkaline conditions to obtain Boc-Alanyl succinimide, and further reaction of the Boc-Alanyl succinimide with glutamine to obtain Boc-Alanyl glutamine; and hydrolysis of the Boc-Alanyl glutamine to obtain the alanyl-glutamine. Compared with the prior art, the method has the following effects: the Boc-Alanine is reacted in the presence of the thionyl chloride to obtain the acyl chloride, the raw material is cheap and wide, and operation is simple; the acyl chloride and the N-hydroxysuccinimide are reacted under the alkaline conditions to obtain an active intermediate, the reaction postprocessing is simple, the active intermediate does not need to be refined; the synthetic route is short, the high purity alanyl-glutamine can be prepared, and a powerful guarantee is provided for the industrial production of the alanyl-glutamine and intermediates thereof.
Owner:CISEN PHARMA

Method for breaking walls of oily microalgae and extracting grease in assisted manner by virtue of saponification reaction

The invention discloses a method for breaking walls of oily microalgae and extracting grease in an assisted manner by virtue of saponification reaction. The method comprises the following steps: (1) adjusting the pH value of a suspension of oily microalgae to 7.5-14 and carrying out hydro-thermal treatment on the oily microalgae; (2) after hydro-thermal treatment, carrying out enzymatic hydrolysis on the oily microalgae in the presence of an enzyme; (3) adjusting the pH value of the oily microalgae to be alkaline for reaction and then adjusting the pH value of the oily microalgae to be acidic for reaction; and (4) adding an organic solvent into the oily microalgae for extracting and separating grease. The method disclosed by the invention is high in grease extraction rate and mild in operating condition, can effectively maintain nutritional components of microalgae, is small in dosage of the organic solvent, environmentally-friendly and low in energy consumption, can be suitable for various microalgae such as nannochloropsis oculata, chlorella, diatom, scenedesmus, single needle algae and the like, and is wide in application range.
Owner:CHINA PETROLEUM & CHEM CORP +1

Nasal composition and application thereof

The invention discloses a nasal composition and application thereof, and belongs to the technical field of rhinitis treatment preparations. The nasal composition comprises active components and further comprises medicinal auxiliary materials. The active components include exosome-like vesicles and curcumin monophosphate derivative from achyranthes aspera and pharmaceutically-accepted salt thereof.The medicinal auxiliary materials include quick-release medicinal auxiliary materials and / or slow-release medicinal auxiliary materials and / or other medicinal auxiliary materials. By using the two active components in the nasal composition in cooperation, immune globulin IgE can be effectively restrained, and the nasal composition has a positive effect on nasal cavity discomfort, especially rhinitis and more especially nasal cavity allergic inflammation caused by Th2 type immune overreaction; by using the active components in cooperation, the irritation and drop-in discomfort of the composition can be reduced, and the medication compliance of a patient is improved.
Owner:嘉兴市爵拓科技有限公司

A kind of preparation method of alanyl glutamine

The present invention relates to a method for preparing alanyl-glutamine. The method comprises the following steps: reaction of Boc-Alanine in the presence of thionyl chloride to obtain acyl chloride; reaction of the acyl chloride and N-hydroxysuccinimide under alkaline conditions to obtain Boc-Alanyl succinimide, and further reaction of the Boc-Alanyl succinimide with glutamine to obtain Boc-Alanyl glutamine; and hydrolysis of the Boc-Alanyl glutamine to obtain the alanyl-glutamine. Compared with the prior art, the method has the following effects: the Boc-Alanine is reacted in the presence of the thionyl chloride to obtain the acyl chloride, the raw material is cheap and wide, and operation is simple; the acyl chloride and the N-hydroxysuccinimide are reacted under the alkaline conditions to obtain an active intermediate, the reaction postprocessing is simple, the active intermediate does not need to be refined; the synthetic route is short, the high purity alanyl-glutamine can be prepared, and a powerful guarantee is provided for the industrial production of the alanyl-glutamine and intermediates thereof.
Owner:CISEN PHARMA

A kind of composite organic expansion agent for negative electrode of lead-acid battery and preparation method thereof

ActiveCN105609781BHelps to separate outReduce the internal resistance of the reactionLead-acid accumulatorsCell electrodesCross-linkCompound organic
The invention discloses a composite organic expansive agent for a negative electrode of a lead-acid storage battery and a preparation method of a composite organic expansive agent. The method comprises the following steps of mixing and dissolving sodium lignosulphonate and humic acid in water; adding an initiator, a cross-linking agent and acrylamide; and carrying out graft copolymerization to prepare the composite organic expansive agent. According to the method, the graft copolymerization is used for preparing a composite material of the sodium lignosulphonate and the humic acid, so that the composite material simultaneously has favorable performance of the sodium lignosulphonate and the humic acid, and the service lifetime of the storage battery is effectively prolonged; and the composite material has more active functional groups than that of a single material, sulfation can be effectively delayed, and the internal resistance is reduced.
Owner:TIANNENG BATTERY GROUP

Preparation method of composite squid protein oral liquid

The invention provides a preparation method of a composite squid protein oral liquid. The composite squid protein oral liquid is composed of the following components by weight: 40-60 parts of a squid active peptide concentrated solution, 6-10 parts of low-fat deodorized cicada pupa protein powder, 10-16 parts of stevia rebaudiana, 4-7 parts of spirulina powder, 1-3 parts of gelatin, 3-7 parts of lily magnolia, and 2-6 parts of Polygonum aviculare. The steps include: pretreatment: cleaning and mincing Peru squid skin, adding a decolorizing agent to perform decoloration, using a color fixing agent to conduct immersion cleaning of squid skin to neutral pH, adding an extraction agent, and performing stirring, standing and filtering so as to obtain a squid skin protein liquid; concentration: subjecting the squid skin protein liquid to pressure filtration, and conducting vacuum concentration to obtain a squid active peptide concentrated solution; and mixing: using distilled water to decoct stevia rebaudiana, also adding spirulina powder, lily magnolia and Polygonum aviculare, performing boiling and filtering, then adding the low-fat deodorized cicada pupa protein powder, conducting filtering, then adding the squid active peptide concentrated solution, and conducting high temperature sterilization, thus obtaining the oral liquid.
Owner:ZHEJIANG OCEAN UNIV

A kind of detection method of yeast beta-glucan in milk or dairy products

The invention relates to a method for detecting yeast beta-glucan in milk or a milk product. The method comprises 1, pretreatment: carrying out enzymolysis on milk or a milk product through a neutral protease or an alkaline protease, carrying out centrifugation on the enzymolysis product, cleaning the precipitates obtained through centrifugation through pure water or deionized water, adding an monobasic acid into the precipitates and carrying out heating hydrolysis, and 2, analysis: determining glucose content of the pretreatment product through ion chromatography and calculating yeast beta-glucan content of the milk or milk product.
Owner:COFCO GROUP +1

Rotary microchannel plate etching device and etching method

The invention provides a rotary microchannel plate corrosion device and corrosion method, comprising: an electric motor; a hydraulic transmission assembly with a hydraulic transmission shaft; a tray for placing a corrosion fixture, which is connected with the hydraulic transmission component; The corrosion tank on the tray; the liquid supply and drainage system; and the ultrasonic device for cleaning the micro-channel plate; the torque output by the motor is applied to the tray through the hydraulic transmission assembly, which can drive the tray to rotate in the circumferential direction, and the hydraulic transmission assembly is adjustable. The lifting hydraulic transmission assembly, under its drive, makes the tray go up and down to enter and leave the corrosion tank; the hydraulic connecting rod assembly places the corrosion tray and the motor on the upper and lower sides of the corrosion liquid level. During the corrosion process, the liquid in the corrosion tank is completely The quartz corrosion fixture is not passed, and the microchannel plate is rapidly corroded by the rotation of the tray itself.
Owner:NORTH NIGHT VISION TECH

Composite organic expansive agent for negative electrode of lead-acid storage battery and preparation method of composite organic expansive agent

The invention discloses a composite organic expansive agent for a negative electrode of a lead-acid storage battery and a preparation method of a composite organic expansive agent. The method comprises the following steps of mixing and dissolving sodium lignosulphonate and humic acid in water; adding an initiator, a cross-linking agent and acrylamide; and carrying out graft copolymerization to prepare the composite organic expansive agent. According to the method, the graft copolymerization is used for preparing a composite material of the sodium lignosulphonate and the humic acid, so that the composite material simultaneously has favorable performance of the sodium lignosulphonate and the humic acid, and the service lifetime of the storage battery is effectively prolonged; and the composite material has more active functional groups than that of a single material, sulfation can be effectively delayed, and the internal resistance is reduced.
Owner:TIANNENG BATTERY GROUP

Cool and appetizing salted fish and preparation method thereof

The invention discloses cool and appetizing salted fish. The cool and appetizing salted fish is prepared from the following raw materials in parts by weight: 400-450 parts of chub, 14-15 parts of chili leaves, 4-5 parts of mint leaves, 6-8 parts of L.lucidus turcz, 8-10 parts of figs, 10-12 parts of apple vinegar, 1-1.2 parts of pseudo-ginsengs, 1.2-1.5 parts of dried rehamnnia roots, 0.8-0.9 part of radish seeds, 4-5 parts of white granulated sugar, 5-6 parts of fistular onion stalk powder, 3-4 parts of Chinese prickly ash powder, 2-3 parts of ground pepper, 15-20 parts of table salt and a proper amount of water. According to the cool and appetizing salted fish, the auxiliary materials including the mint leaves, the L.lucidus turcz and the like have the functions of refreshing, appetizing and helping to digest, tonifying liver and kidney, strengthening muscles and bones and the like; and meanwhile, Chinese herbal medicine components including the radish seeds and the like are added, so that the cool and appetizing salted fish has the effects of helping to digest and removing flatulence, depressing qi and reducing phlegm.
Owner:吴伦

A method for pretreatment of yeast β-glucan in milk or dairy products

The invention relates to a method for pretreating yeast beta-glucan in milk or a milk product. The method comprises 1, proteolysis: carrying out enzymolysis on milk or a milk product through a neutral protease or an alkaline protease, 2, filtration separation based on a filter: filtering the enzymatic hydrolysate of the step 1 through a filter, and 3, acidolysis: adding a monobasic acid into the retained materials obtained through the step 2 and carrying out heating hydrolysis.
Owner:COFCO GROUP +2
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