254 results about "Sodium citrate" patented technology

The invention discloses a water-based compensation sodium source sodium ion battery positive pole piece and a preparation method thereof. Mixing a positive active material, a conductive agent, a water-based binder, a water-soluble sodium supplement agent and a solvent to obtain positive slurry; wherein the water-soluble sodium supplement comprises sodium nitrite, sodium oxalate and sodium citrate; the solvent is water; and coating the surface of a current collector with the positive electrode slurry to prepare the positive electrode plate. Deionized water is used for replacing a traditional organic solvent to serve as a pulping solvent, and dual-function optimization is achieved by adding a specific water-soluble sodium supplementing agent. The sodium supplementing agent is uniformly distributed in the pole piece through a dissolution-recrystallization mechanism, and an efficient sodium ion pre-compensation system is formed. According to the method, the production cost and the energy consumption are remarkably reduced, the structural degradation of the positive active material in a water system environment can be effectively inhibited, irreversible sodium loss caused by formation of a first-week solid electrolyte interface (SEI) of a negative electrode is counteracted through a sodium source compensation mechanism, and the method has remarkable environmental friendliness and industrial application value.

The application discloses a composition for protecting liver and strengthening kidney and reducing uric acid, which is made of the following raw material components: Anoectochilus roxburghii, dried tangerine or orange peel, chicory, gardenia, turmeric, Hovenia dulcis Thunb, Cistanche deserticola Y.C.Ma, Rehmannia glutinosa, potassium citrate, sodium citrate and goose myo-peptide. The composition combines the immortal concept of TCM (Traditional Chinese Medicine) "treating disease from the root" and the uric acid control method of modern nutritional medicine as an organic whole, and achieves multiple effects of protecting liver and strengthening kidney, mutual benefit of yin and yang and reducing uric acid through multiple action targets. Animal experiment results show that the composition can effectively reduce the activities of transaminase ALT and AST, relieve liver damage, reduce serum creatinine level and improve urea ammonia excretion rate, improve kidney function, inhibit the activities of xanthine oxidase and adenosine dehydrogenase and reduce uric acid level. The composition is safe and has no toxic side effects, is suitable for people with insufficient liver and kidney functions and hyperuricemia and has a wide application prospect.

The invention discloses a wet tissue liquid for improving hemorrhoid symptoms, a wet tissue, a production method and application, the wet tissue liquid comprises asiaticoside, a sophora flower charcoal extract, bisabolol, a honeysuckle flower extract, a rosemary extract, ceramide NP, D-panthenol, potassium cocoyl glycinate, citric acid, sodium citrate and purified water, and the wet tissue comprises spunlace non-woven fabric. The wet tissue liquid is loaded on a non-woven fabric, the production process of the wet tissue liquid comprises a pretreatment stage, a preparation stage and a filtering stage, and the produced wet tissue liquid is applied to hygienic products for improving hemorrhoid symptoms. The sophora flower charcoal extract is used for the haemorrhoids wet tissue liquid to achieve the effects of stopping bleeding, cleaning and mildly easing pain; double natural extracts are compounded to replace preservatives, traditional single symptom relief is upgraded to symptom treatment, mucous membrane repair and barrier protection, disease deterioration and recurrence risks are reduced, and the composition is free of chemical preservatives, free of irritant surface activity and suitable for being used by people with hemorrhoid symptoms.

The invention discloses a fly ash washing dechlorination and resource utilization method. The method comprises the steps of fly ash pretreatment, size mixing treatment, enhanced washing and solid-liquid separation, filter cake treatment and mixed washing liquid purification and salt separation crystallization. Through a multi-dimensional synergistic strengthening means, the fly ash dechlorination efficiency is remarkably improved, resource utilization is achieved, the sodium citrate and lauryl sodium sulfate composite additive is adopted, Zeta potential real-time monitoring and pulse type supplementing are combined, fly ash particles are effectively dispersed, mass transfer resistance is destroyed, dissolution of chloride ions is promoted, and the dechlorination effect of the fly ash is improved. Moreover, gradient heating, electric field assistance and redox potential regulation are introduced, so that heavy metal dissolution is inhibited while efficient dechlorination is performed.

The invention relates to the technical field of soda wine preparation, in particular to a method and extraction equipment for preparing roselle soda wine from roselle extract.The method comprises the steps that dried roselle is subjected to low-temperature crushing and then extracted with an alcohol-water solution with the temperature controlled in stages, and a crude extracting solution is obtained; vitamin C and sodium citrate are compounded and stabilized, clarification and filtration are carried out, and a roselle extracting solution with stable color and flavor is obtained; and then scientifically blending with brandy base liquor, vodka, high fructose corn syrup, prebiotic syrup and other ingredients, finally carbonating with 0.5 volume of carbon dioxide at low temperature, and carrying out cold filling at the temperature of less than or equal to 4 DEG C to obtain a finished product. The problems that the extraction efficiency of natural flower raw materials is low, flavor and functional components are difficult to retain, and the fusion stability of an extract and a soda wine system is poor are effectively solved, and the comprehensive quality improvement that the product is outstanding in natural flavor, stable in color and luster, fine and lasting in bubble, healthy in function and good in drinking suitability is achieved.

The invention relates to the technical field of casting, in particular to a water-soluble salt core for aluminum castings and an injection molding preparation process thereof.The water-soluble salt core is composed of a heterogeneous layered composite material system, and the heterogeneous layered composite material system comprises an eutectic mixture formed by superfine monopotassium phosphate and sodium citrate and used as a base material, the nano palygorskite fiber is used as a reinforcing phase; the functional layer formed by the polyvinyl alcohol film is wrapped on the outer layer; and sodium bicarbonate; according to the water-soluble salt core for the aluminum casting and the preparation technology of the water-soluble salt core, through the improved raw material formula and the innovative preparation technology, the defects in the prior art are effectively overcome. In the aspect of a raw material formula, an eutectic mixture formed by superfine monopotassium phosphate and sodium citrate which are mixed in a specific proportion is used as a base material, and the eutectic mixture has good chemical stability and thermal stability and can provide basic strength and forming performance for the water-soluble salt core.

The invention provides a resource recovery system and method for wastewater containing sodium citrate and sodium sulfate, and the system comprises a buffer mixing unit which is used for collecting wastewater and multiple paths of reflux liquid; the first nanofiltration assembly is used for preliminarily separating the mixed solution into a first concentrated solution enriched with sodium citrate and a first permeate enriched with sodium sulfate; the sodium citrate recovery branch is used for carrying out secondary concentration and evaporative crystallization on the first concentrated solution through a second nanofiltration assembly and a first crystallization unit so as to recover sodium citrate crystals or a high-concentration sodium citrate solution; the sodium sulfate recovery branch is used for carrying out concentration and freezing crystallization on the first permeate through a desalination concentration assembly and a second crystallization unit so as to recover sodium sulfate or mirabilite; and permeate liquid of the second nanofiltration assembly, mother liquid of the first crystallization unit and mother liquid of the second crystallization unit flow back to the buffer mixing unit. According to the invention, high-efficiency separation and high-purity recovery of two salt resources are realized, and the energy consumption is obviously reduced.

This invention discloses an integrated micro-aqueous degumming and peeling method for fresh coffee cherries, belonging to the field of fresh coffee cherry processing technology. The method includes: micro-aqueous degumming of fresh cherries using a pretreatment solution containing sodium citrate and sodium chloride; biological degumming using a specialized composite degumming enzyme composed of pectinase, cellulase, and calcium chloride; adding chitosan to the wastewater after rinsing for composite coagulation, followed by solid-liquid separation to obtain recycled water; and finally drying to obtain coffee beans in their shells. This invention utilizes sodium citrate to chelate calcium bridges to degrade the pectin cross-linking structure and sodium chloride to compress the double electric layer and reduce slurry viscosity, achieving efficient mass transfer and rapid degumming under micro-aqueous conditions. Furthermore, it utilizes residual salts to achieve pH anchoring and ionic strength regulation, promoting the formation of a dense aggregated phase between pectin degradation products and chitosan, solving the industry problems of difficult micro-aqueous system treatment and unstable recycled water reuse. This invention reduces water consumption by more than 90% compared to traditional washing methods, achieves thorough degumming, preserves the complete flavor of coffee beans, has low equipment costs, and enables sustainable closed-loop production, making it suitable for industrial application in small-scale coffee processing plants.

The invention discloses a stage targeting scallop adductor non-phosphorus water-retaining agent containing antifreeze glycopeptide and application, and relates to the technical field of food additives. The antifreeze glycopeptide-containing stage targeting scallop adductor phosphorus-free water-retaining agent consists of an agent A and an agent B, and does not contain phosphate additives, the agent A is permeable anti-freezing liquid and is prepared from the following components in percentage by mass: 5.0 percent to 9.0 percent of trehalose, 3.0 percent to 5.0 percent of sorbitol, 0.8 percent to 1.5 percent of sodium citrate, 0.4 percent to 1.0 percent of compound amino acid, 0.01 percent to 0.1 percent of high-activity anti-freezing glycopeptide, 0.01 percent to 0.05 percent of vitamin C, 0.01 percent to 0.05 percent of rosemary extract and the balance of water. According to the antifreeze glycopeptide-containing phase-targeting scallop adductor non-phosphorus water-retaining agent and the application thereof, ice crystal damage and protein denaturation are inhibited from the source, and cell-level protection of scallop adductors is realized. Through detection, the unfreezing loss rate of the treated scallop adductor is as low as about 2.12%, the cooking loss rate is as low as about 10.63%, and the water retention capacity is close to that of a commercially available phosphate water retention agent and is remarkably superior to that of an existing non-phosphorus water retention agent.

The invention relates to a preparation method and application of conductive adhesive hydrogel based on cyclodextrin, required components comprise a water-soluble adhesive, PEDOT: PSS, PVA and a water-soluble ionic conductive agent, and the water-soluble ionic conductive agent adopts one of NaCl, KCl or sodium citrate. The preparation method comprises the following steps: 1, adding the ionized water and the PEDOT: PSS dispersion liquid into a beaker, and uniformly stirring; 2, adding PVA, a water-soluble ionic conductive agent and a water-soluble adhesive into the mixed solution formed in the step 1, and standing to enable PVA particles to absorb water and swell; 3, stirring the mixed solution prepared in the step 2 under a heating condition to uniformly dissolve the components to obtain a precursor mixed solution of the hydrogel; and 4, performing freeze-thaw cycle on the precursor mixed solution obtained in the step 3 to form a stable physical cross-linked network, thereby obtaining the conductive adhesive hydrogel. The precursor mixed solution prepared by the invention has excellent printability, and the hydrogel formed after crosslinking simultaneously shows the characteristics of high conductivity, stable adhesion and low modulus.

The application discloses a fluorine removal agent and a preparation method thereof, and relates to the technical field of fluorine removal agents, and comprises the following components in parts by weight: 5-10 parts of an aluminum salt, 5-10 parts of an iron salt, 15-20 parts of a rare earth material, sodium citrate and beta-cyclodextrin; the addition amount of the sodium citrate is 5%-10% of the total mass of the aluminum salt, the iron salt and the rare earth material; and the addition amount of the beta-cyclodextrin is 30%-50% of the mass of the sodium citrate. Through the introduction of the synergistic system of sodium citrate and beta-cyclodextrin, the metal ion precipitation sequence is regulated, meanwhile, the beta-cyclodextrin captures competitive anions through molecular recognition and constructs a hydrogen bond network to block interference, and the combination of the microsphere type and the porous particle type further realizes dynamic directional transmission of pollutants and nuclear pore limited crystallization, and the active site distribution is reconstructed at the molecular level, so that a technical scheme with universality, economy and reliability is provided for the treatment of complex fluorine-containing wastewater.

This invention discloses a cubic spinel-structured sulfide composite gas-sensitive material, a gas sensor, its preparation method, and its application, belonging to the field of gas sensor technology. The preparation method of this composite gas-sensitive material involves using FeCl2, CdCl2, and InCl3 as metal sources, and thiourea as a sulfur source, placing them together in a solvent of water, adding citric acid or sodium citrate as a dispersant, and obtaining a precursor material through a hydrothermal reaction. After calcination and annealing, a cubic spinel-structured FeIn2S4 / CdIn2S4 heterojunction material powder is obtained. The two gold electrodes and the ceramic tube of the gas sensor are coated with the cubic spinel-structured sulfide composite gas-sensitive material. The gas sensor based on this invention, made from a cubic spinel-structured sulfide composite gas-sensitive material, has a simple manufacturing process, low production cost, and is suitable for industrial mass production. It has broad application prospects in the field of acetone detection in trace hazardous situations.

The invention discloses a preparation process of a high-stability dipyridamole sodium chloride injection. The preparation process comprises the following steps: S1, weighing raw materials and auxiliary materials: weighing 1g of dipyridamole, 90g of sodium chloride, 10-30g of sodium citrate and 30-70g of propylene glycol; s2, adding water for injection accounting for 70% of the prescription dosage into a liquid preparation tank, then adding sodium chloride, sodium citrate and propylene glycol accounting for the prescription dosage, and completely dissolving in a stirring state; s3, adding a proper amount of a hydrochloric acid solution, adjusting the pH value to 2.5, adding dipyridamole according to the prescription amount, and dissolving dipyridamole in a stirring state; s4, adding a proper amount of a sodium hydroxide solution, adjusting the pH value to 4.0, and fixing the volume to the prescription dosage by using the water for injection; s5, filtering the prepared solution, filling the filtered liquid medicine into a glass bottle, filling nitrogen into the bottle, plugging and capping; s6, sterilizing the filled sample; the stability of the prepared sample is obviously higher than that of a commercially available preparation, DP-II degradation impurities are avoided, obvious advantages are achieved, and the safety risk in the use process of the product can be obviously reduced.

The invention discloses protein soft sweets based on an olive pomace extract as well as a preparation method and application of the protein soft sweets. The protein soft sweets mainly consist of the following components in parts by mass: 10-50 parts of the olive pomace extract, 10-80 parts of collagen, 10-40 parts of gelatin, 1-20 parts of inulin, 1-10 parts of glucose syrup, 1-5 parts of malic acid and 1-5 parts of sodium citrate. The protein soft sweets based on the olive pomace extract have olive flavor, are amber, are crystal clear, glossy and rich in olive flavor before being sprayed with powdered sugar, and are moderate in viscosity, not sticky to teeth and good in elasticity and resilience after being sprayed with powdered sugar; the olive pomace extract prepared by the preparation method disclosed by the invention also has relatively high oxidation resistance, shows very high scavenging ability in the aspects of DPPH free radical scavenging ability and ABTS < + > free radical scavenging ability, has the free radical scavenging ability of the olive pomace extract, is beneficial to preventing oxidative damage and maintaining health, and can be used as an antioxidant functional food.

The invention discloses a PDE4B-targeted siRNA liposome nano-drug as well as a preparation method and application thereof, and belongs to the technical field of biological medicines and nano-drugs. The preparation method comprises the following steps: dissolving cholesterol, DLin-MC3-DMA, DOPE and DSPE-PEG2000 in absolute ethyl alcohol to serve as an ethyl alcohol phase; dissolving siPDE4B into a sodium citrate buffer solution to serve as a water phase; then, rapidly mixing the ethanol phase and the water phase through a microfluidic device; and carrying out PBS dialysis on the obtained mixture to promote liposome assembly and remove ethanol so as to obtain the PDE4B-targeted siRNA liposome nano-drug. Compared with the prior art, the preparation process is simple, large-scale preparation can be achieved, and the prepared nano-drug has an excellent anti-pulmonary fibrosis effect, is low in toxicity, can be administrated in an inhalable mode and can effectively restrain IPF.

The invention relates to the technical field of sheep semen storage, and discloses a sheep fresh semen low-temperature long-acting preservation diluent containing indole-3-pyruvic acid, the sheep fresh semen low-temperature long-acting preservation diluent containing indole-3-pyruvic acid comprises a basic diluent and an additive, the additive is indole-3-pyruvic acid, and the concentration of the additive in the diluent is 15 mg / L-35 mg / L. The basic diluent comprises the following components: 3.1 g of glucose; 1.4 g of sodium citrate; 20 mL of yolk; 100 [mu] L of lincomycin hydrochloride; 0.50 g of bovine serum albumin; and 0.50 g of vitamin C. The preparation method of the basic diluent comprises the following steps: dissolving glucose, sodium citrate, bovine serum albumin and vitamin C in distilled water, oscillating, filtering and sterilizing, adding yolk and lincomycin hydrochloride, uniformly mixing to obtain the basic diluent, and sealing and storing at 4 DEG C. According to the sheep fresh sperm low-temperature preservation diluent containing indole-3-pyruvic acid provided by the invention, 25 mg / L of indole-3-pyruvic acid is added into the diluent, so that the preservation quality and time efficiency of sheep sperms under the low-temperature condition of 4 DEG C can be improved.

The invention relates to the technical field of supercapacitor preparation, in particular to a (NiCo) Se2 / CoFe2Se4 composite electrode, a preparation method and application, and the method comprises the steps: preparing a NiCo precursor solution through Ni salt, Co salt and urea, growing NiCo precursor nanorods on a titanium mesh, and constructing a three-dimensional conductive skeleton; then preparing a Co-FePBA suspension by using Co salt, sodium citrate and K3 [Fe (CN) 6]; the titanium mesh loaded with the NiCo precursor nanorod is soaked in Co-FePBA suspension and aged at the constant temperature, a double-active-component precursor is formed, effective interface chemical bonding is formed, and the charge transfer efficiency can be effectively improved; finally, a (NiCo) Se2 / CoFe2Se4 heterojunction is generated through gas-phase selenylation, charges are redistributed at a heterogeneous interface, a built-in electric field is formed, and electron transfer and ion adsorption are accelerated; according to the method, the reaction kinetics of collaborative optimization of the (NiCo) Se2 and the CoFe2Se4 is realized, the process is simple, convenient, environment-friendly and economical, a feasible scheme is provided for large-scale production, and the problems of compounding of the (NiCo) Se2 and the CoFe2Se4, high charge transfer resistance and poor charge and discharge efficiency in the prior art are solved.

The invention relates to low-sugar gum soft sweets and a preparation method thereof. The soft sweets comprise the following raw materials in parts by weight: 18-35% of a pectin compound, 40-50% of a sweetening agent, 3-5% of a plasticizer, 0.3-0.8% of malic acid, 0.2-0.5% of sodium citrate and the balance of deionized water. Wherein the pectin compound comprises the following raw materials in percentage by weight: 10-20% of a cation matrix, 15-25% of an anion matrix, 5-10% of a neutral matrix and the balance of deionized water; the cation matrix comprises chitosan hydrochloride and calcium salt, the anion matrix comprises the following raw materials: low-methoxyl pectin, high-methoxyl pectin, ellagic acid and cumaric acid, and the neutral matrix is locust bean gum. The cation matrix, the anion matrix and the neutral matrix of the pectin compound cooperate to make up the defects of weak structure, poor water retention, easy aging and the like caused by sucrose deficiency in a low-sugar environment, so that the soft sweets have both elasticity and toughness.

The invention provides a sorbitol and mannitol flushing fluid for urinary surgery. The invention relates to a freeze-dried powder injection, which comprises 20 to 50 grams of sorbitol, 10 to 30 grams of mannitol, 5 to 10 grams of sodium bicarbonate and 0.5 to 2 grams of sodium citrate in every 1000 milliliters of the freeze-dried powder injection, and the pH value of the freeze-dried powder injection is adjusted to 7.2 to 7.4. The preparation method comprises the following steps: heating distilled water to 80 DEG C, sequentially adding the components, continuously stirring until the components are completely dissolved, cooling to room temperature, fixing the volume to 1000ml, adjusting the pH value by using a 5mol / L sodium hydroxide solution, finally sterilizing by using a 0.22-micron microporous filter membrane, and packaging in a sterilized glass bottle. The flushing fluid can effectively dissolve blood clots, stones and necrotic tissues in an operation field by utilizing the high osmotic pressure characteristics of the sorbitol and the mannitol, so that the operation field is kept clear. The flushing fluid disclosed by the invention shows an excellent flushing effect and good safety in urinary surgery operations such as transurethral bladder tumor electrocision, flexible ureteroscope calculus removal and the like.

The invention provides aroma-enhancing highland barley wine and a preparation method thereof. The method comprises the following steps: step 1, pretreating raw materials to obtain a highland barley aqueous extract; step 2, primary fermentation: inoculating a bacillus subtilis bacterial solution, and carrying out stepped temperature fermentation to obtain a primary fermentation solution; step 3, secondary fermentation: adjusting the pH value and the sugar degree, and carrying out segmented inoculated fermentation: at the first stage, inoculating lactobacillus plantarum; a second stage: inoculating sweet distiller's yeast and saccharomycetes to obtain secondary fermentation liquor; and step 4, canning and sterilizing. According to the method disclosed by the invention, by virtue of a stepped temperature control, sodium citrate directional induction and pH shift triple regulation and control method, a burdens link of generating peculiar smell and needing subsequent treatment in the primary fermentation process of the bacillus subtilis is thoroughly converted into a dominant link of actively generating a high-quality flavor precursor, and a final product has a high score of 93.5 in sensory evaluation; the highland barley fermented wine is pure and harmonious in fragrance and mellow and refreshing in taste, has a typical highland barley fermented wine style and does not have any foreign flavor.

The invention belongs to the technical field of antibiotic residue detection, and particularly relates to a rapid detection method for quinolone antibiotics in dairy products. The preparation method comprises the following steps: preparing gold nanoparticles as gold seeds by using a sodium citrate reduction method, epitaxially growing an ultrathin Cr-MIL-101-NH2 shell layer by using a layer-by-layer self-assembly method, and constructing an Au-coated Cr-MIL-101-NH2 NPs core-shell structure; a solid phase microextraction-surface enhanced Raman spectroscopy (SPME-SERS) combined method is established on the basis of the material, a shell layer is used for efficiently extracting and selectively enriching a target object to a gold nanoparticle local plasma resonance area, strong SERS signal enhancement is achieved, and the shell layer guarantees that the gold nanoparticles are stable in performance in a complex matrix at the same time. Methodology verification proves that the method is wide in linear range, good in precision, high in recovery rate, low in detection limit, convenient in pretreatment and suitable for rapid high-throughput detection of antibiotic residues in food.

The invention discloses a lotion for improving the disease resistance of silkworm after eating water-containing mulberry leaves and application of the lotion, magnesium chloride, monopotassium phosphate and sodium citrate are mixed with water, and the lotion for improving the disease resistance of silkworm after eating water-containing mulberry leaves is obtained. After being rinsed by the compound lotion, the mulberry leaves with water can be directly fed to silkworms, so that the disease resistance of the silkworms is remarkably improved.

The present invention relates to a bioinsecticide (19) composition comprising a diluted Cordyceps fumosorosea culture (12), a kaolin clay (13), a sodium citrate (14), a citric acid (15), and a carboxymethyl cellulose (16). The present invention further relates to a method (100) for preparing a bioinsecticide powder (20), comprising steps of growing (101) a Cordyceps fumosorosea (10) to obtain a Cordyceps fumosorosea stock culture (11), diluting (102) the Cordyceps fumosorosea stock culture (11) to obtain a diluted Cordyceps fumosorosea culture (12), blending (103) the diluted Cordyceps fumosorosea culture (12) with a kaolin clay (13) to obtain a wet powder texture (17), drying (104) the wet powder texture (17) to obtain a dry powder texture (18), mixing (105) the dry powder texture (18) with a sodium citrate (14), a citric acid (15), and a carboxymethyl cellulose (16) to obtain a bioinsecticide (19) composition, and drying (106) the bioinsecticide (19) composition to obtain a bioinsecticide (20) powder. Accordingly, the present invention also relates to a method of using a bioinsecticide (19) composition.

The invention discloses a preparation method of a zymosan iron compound, and belongs to the technical field of deep processing of yeast. The method comprises the following steps: oxidizing a zymosan solution with hydrogen peroxide, sequentially adding sodium citrate and ferric salt, and carrying out complexation reaction to obtain zymosan iron. The iron content of the polyferose prepared by the method is more than or equal to 10%, the water solubility is more than or equal to 90%, and the polyferose has good stability and no rust flavor. Due to the slow release characteristic, gastrointestinal stimulation can be remarkably reduced, continuous release in the stomach is achieved, liver iron accumulation can be effectively improved, and tissue utilization and storage of iron are promoted.

The invention relates to a functional nutritional composition, in particular to an anti-fatigue diglyceride composition, which is characterized by comprising (1) diglyceride, (2) isomaltooligosacharide, (3) sodium caseinate, (4) soybean phospholipid, (5) sodium citrate, (6) potassium citrate, (7) calcium ascorbate, (8) silicon dioxide, (9) mogroside, (10) vitamin B1 and (11) vitamin B2. The composition disclosed by the invention can be used as an anti-fatigue beverage, a nutritional health-care product, a food for special diets, a food for special medical purposes and the like.

The application belongs to the technical field of disinfection, and discloses a composite disinfectant and a preparation method thereof. The disinfectant is composed of potassium hydrogen persulfate, urea peroxide, sodium percarbonate, sodium hexametaphosphate, sodium citrate, ethylenediaminetetraacetic acid disodium, sulfamic acid, sodium dodecyl benzene sulfonate, fatty alcohol polyoxyethylene ether, cocamidopropyl betaine, nano manganese dioxide, nano silicon dioxide, nano zinc oxide, sodium carboxymethyl cellulose, polyethylene glycol 6000, amaranth red, sodium chloride and a residual amount of anhydrous sodium sulfate, and is prepared through a feeding, mixing and granulating process. The application is suitable for disinfection in multiple scenes, has high safety and a simple preparation process, and is suitable for large-scale industrial production.

The present invention relates to a method for alleviating asthenopia and a liquid composition for ophthalmic use. Specifically, on one hand, the invention relates to a liquid composition for eyes. The invention relates to a skin-care lotion, which is prepared from the following components: glycerol, p-hydroxyacetophenone, sodium hyaluronate, propylene glycol, menthol, borneol, methyl diisopropyl propionamide, menthol, SOLUBILISANT LRI, edetate disodium, water-locking magnetite, radix gentianae extract, totarol, sodium citrate, ectodoine, ergothioneine, hydrolyzed red algae extract and water. Furthermore, the invention also relates to an application of the liquid composition in preparation of a product for relieving eye asthenopia for eye use. The liquid composition of the present invention exhibits excellent properties, for example as described in the specification.

The application discloses a kind of molybdenum disulfide-MXene / biomass carbon composite aerogel and its preparation method and application, wherein the preparation method includes: (1) chitosan aerogel is pyrolyzed in tubular furnace at 400-800 DEG C, inert gas atmosphere;(2) the biomass carbon aerogel prepared in step (1) is soaked in ammonium molybdate tetrahydrate and thiourea mixed solution, then sodium citrate is added, and it is placed in reaction kettle and hydrothermal reaction at 160-220 DEG C;(3) MXene is added to deionized water and dispersed by ultrasonic to obtain MXene dispersion, and polydiallyldimethylammonium chloride is added to positively modify MXene, then the molybdenum disulfide / biomass carbon composite aerogel prepared in step (2) is immersed in modified MXene dispersion to obtain.The composite aerogel can exhibit high adsorption, high selectivity and high stability as an adsorption material, and has good market application prospect.

The invention discloses a non-phosphorus water-retaining agent and application thereof, and belongs to the field of meat product processing. The water-retaining agent is prepared from sorbitol, flaxseed gum and sodium citrate according to the weight ratio of (3 to 5): (0.3 to 0.5): (1 to 1.4). The phosphorus-free water-retaining agent reduces the particle size of the minced pork myofibrillar protein emulsion, increases the number of negative charges, can influence the stability of the minced pork system structure to a certain extent, is beneficial to the stability of the quality of the pork pie in the storage period, and provides a certain reference for the production of minced pork products.