19 results about "Free solution" patented technology

This disclosure provides methods that render hydrophobic carbon fiber paper (CFP) hydrophilic for extended periods without damaging the carbon fibers that compose the CFP or the architecture of the network of those carbon fibers. The disclosure further provides hydrophilic CFP made by the inventive methods. The methods include sonicating the CFP in an aqueous surfactant solution followed by electrooxidizing the CFP in an aqueous electrolyte.

The present invention relates to a blender delivery system designed for integration with water bottles. This system facilitates the efficient mixing of supplements, such as protein powders and other nutritional additives, directly into a water bottle without the need for separate blending containers. The delivery device incorporates threading at one end to securely attach to a blender base and an opening at the other end to form a watertight connection with a water bottle. The device's internal volume is designed to receive and mix supplement contents with liquid from the water bottle when connected to a blender base. This configuration allows for a seamless transfer of mixed contents back into the water bottle for easy consumption. This invention addresses the need for a convenient, portable, and mess-free solution to mixing dietary supplements in everyday settings.

This invention discloses a method for preparing a zinc-based solid electrolyte membrane based on a polycarbonate-based ionic liquid. In the presence of a catalyst, carbon dioxide and epichlorohydrin are alternately copolymerized at 25-70°C and 2.0-4.0 MPa carbon dioxide to obtain a polycarbonate with chloromethyl side groups, which is then purified by dissolution / precipitation. A side group substitution reaction is carried out by adding 1-methylimidazolium to a polar solvent to obtain an imidazolium halide-type ionized polycarbonate. Subsequently, a zinc-free solution is used... 2+ The zinc-based solid polymer electrolyte membrane was obtained by anion exchange with TFSI-salt followed by desalting and purification. The ionic liquid was then mixed with zinc salt, and a membrane was fabricated using a casting method, followed by drying and peeling to obtain the membrane. The large volume and high degree of charge delocalization of anions in the ionic liquid are beneficial for reducing ion-pair interactions, providing a better ion transport environment for the zinc-based solid electrolyte membrane and addressing the issue of Zn content in existing zinc-based solid electrolytes. 2+ It has strong interactions with anions and polymer polar groups, which can easily lead to increased resistance to ion migration.

The invention relates to the field of material analytical chemistry and biochemistry, and provides a continuous batch pretreatment device and method for proteomics, glycoproteomics and phosphorylated proteomics samples. According to the continuous batch pretreatment device for the proteomics, glycoproteomics and phosphorylated proteomics samples, under the assistance of the filler, the whole process of protein denaturation, aggregation capture, enzymolysis and complete glycopeptide and phosphorylated peptide enrichment in biological samples can be achieved. Compared with a free solution method conventionally used in proteomics, the sample pretreatment method based on the device has the advantages that the sample treatment time can be effectively shortened, and continuous analysis of mass proteome, glycoprotein group and phosphorylated proteome of trace protein samples can be realized; the method is expected to be widely applied to the aspects of disease occurrence mechanisms, drug action mechanisms, clinical detection, biomarker discovery and the like.

The invention discloses an environment-friendly multifunctional oil composition for agricultural machinery and a preparation method of the environment-friendly multifunctional oil composition, and belongs to the field of oil for agricultural machinery. The lubricating oil is prepared from the following components in parts by mass: 3 to 5 parts of an extreme pressure anti-wear agent, 2 to 4 parts of an antioxidant, 0.1 to 2 parts of a preservative, 1 to 2 parts of a clearing agent, 0.1 to 3 parts of a dispersing agent, 0.1 to 2 parts of an anti-rust agent, 1 to 2 parts of a viscosity index improver, 0.1 to 0.5 part of an anti-foaming agent, 0.3 to 0.5 part of a pour point depressant and 79 to 92.3 parts of base oil, wherein the base oil is formed by combining rapeseed oil and synthetic ester base oil PALMESTER 2083; the preparation method comprises the following steps: sequentially adding the base oil, the anti-wear reagent at extreme pressure, the antioxidant, the preservative, the clearing agent, the dispersing agent, the viscosity index improver and the anti-foaming agent at the temperature of 50-70 DEG C according to the proportion, and mixing until the materials are completely dissolved to form a transparent precipitate-free solution. According to the multifunctional oil composition for the agricultural machinery, the influence on the environment is reduced, the wear resistance and the extreme pressure property are improved, and the service life is prolonged.

The invention relates to a carboxymethyl chitosan-amorphous calcium phosphate composite anti-caries material as well as a preparation method and application thereof, the composite anti-caries material is a composite gel system and comprises carboxymethyl chitosan, amorphous calcium phosphate and glycerol, and hydroxyapatite nanowires can be selectively added into the carboxymethyl chitosan-amorphous calcium phosphate composite anti-caries material. The composite anti-caries material provided by the invention successfully solves the ubiquitous problems of the existing fluoride-free remineralization material that the mineralization efficiency needs to be improved, the clinical operability is poor and the like, and provides a novel fluoride-free scheme which is safe, efficient and convenient to use for prevention and treatment of early caries.

The present application belongs to the field of corrosion-resistant iron-nickel-based alloys. More particularly, it relates to a method for eliminating precipitated phases of N08028 alloy after forging without solid solution. The method comprises the steps of electrode preparation, crystallizer preparation, polishing the copper bottom plate of the bottom water tank using a polishing device, placing four arc initiators at the center of the carbon steel plate, filling argon into the crystallizer, preparing slag, controlling the steady-state melting rate during smelting, using fast forging + radial forging for forging, and directly water cooling after radial forging without solid solution, so that the total content of precipitated phase intermetallic compound phase, nitride phase and carbide phase is not more than 1.0%, and the content of sigma phase is not more than 0.2%.

The invention discloses an air purification material with formaldehyde removal, antibiosis and deodorization functions and a preparation method of the air purification material. The method comprises the following steps: preparing a base material: crushing one or more of aluminum oxide, silicon dioxide, zeolite, montmorillonite and sepiolite inorganic porous materials into powder; fully stirring with calcium superphosphate powder, adding an adhesive, and sintering to prepare a granular base material; preparing a chlorine dioxide activation-free solution; and soaking the sintered particle base material in a chlorine dioxide activation-free solution, carrying out ultrasonic dispersion, and drying the particles subjected to ultrasonic dispersion in a drying box to prepare the air purification material with formaldehyde removal, antibacterial and deodorization functions. The material has three functions of formaldehyde removal, antibiosis and deodorization at the same time, has good mechanical properties, guarantees good processability, and can specifically solve the problems that an existing air purification material adsorbs peculiar smells and toxic gases in a manner of treating both symptoms and root causes, and is weak in sterilization capability.

The utility model discloses a filtering device before mixing of a reaction raw material mixer, which relates to the technical field of ester exchange reaction and comprises an ester exchange reaction tower, one side of the ester exchange reaction tower is fixedly connected with a first connecting pipeline, one side of the first connecting pipeline far away from the ester exchange reaction tower is fixedly connected with a venturi jet device, and the venturi jet device is fixedly connected with a second connecting pipeline far away from the ester exchange reaction tower. An amyl acetate buffer tank, a methanol buffer tank and a sodium methoxide buffer tank are arranged on one side, far away from the ester exchange reaction tower, of the Venturi jet device. According to the utility model, crystals separated from methanol and sodium methoxide solution are fixedly filtered through the filter frame, so that the solution entering the venturi jet device does not contain separated impurities, and the separated crystals can block a nozzle, a suction chamber or a diffuser pipe of the venturi jet device. After filtering, impurities are removed, fluid flows smoothly, and the blocking risk is remarkably reduced. And after the impurity-free solution enters the Venturi jet device, the fluid flows more smoothly and is more uniformly mixed.

Disclosed and claimed are compositions containing a calibrator and a stabilizer wherein the stabilizer comprises diethylaminoethyl-("DEAE") dextran, D-sorbitol, a buffer, and a nonionic surfactant wherein the weight ratio of D-sorbitol to DEAE-dextran is from about 1: 1 to about 5: 2; wherein the stabilizer is substantially free of bovine serum albumin; and wherein the calibrator is stable under frozen storage conditions and remains stable when thawed and preserved at a temperature of about 2 DEG C to about 10 DEG C. Methods of use of the claimed compositions and kits comprising the claimed compositions are also disclosed.

Increasing concerns about cytotoxicity caused by traditional ophthalmic product preservatives have driven demand for preservative-free solutions while challenging manufacturers to maintain sterility and safety standards. Inherent user risks have been combined with random manufacturing contamination, resulting in devastating product recalls in recent years. The present invention is a bioactive, affinity filtration system for medical dispensing devices engineered to remove preservatives and contaminants from ophthalmic and other medical solutions when administered. This “just in time” filtration enables manufacturers to follow established preservative practices to ensure safety while delivering a “preservative free” solution upon administration. Without altering the therapeutic formulation, the invention combines adsorption and absorption filtration mechanisms with engineered fullerene derivatives and cellulose acetate membranes to remove preservatives like benzalkonium chloride, thimerosal, and stabilized oxychloro complexes. The invention is designed for integration into established manufacturing, packaging, and stability quality control protocols consistent with the most rigorous antimicrobial patient safety standards.

The invention provides a dry cervical cancer free sulfydryl detection test paper processing technology which comprises the following steps: preparing a dissolving buffer solution capable of dissolving DTNB, dividing the solution into two parts A and B, adding a DTNB dissolved solution into a component A solution as a detection group for detecting sulfydryl, and adding a DTNB-free solution into a component B solution as a control group; preparing a sodium tungstate solution as a sample adding group; the same specific absorbent paper is selected and divided into three parts, the three parts are soaked in solutions of the detection group, the control group and the sample adding group respectively, the soaked absorbent paper is directly subjected to water filtration and put into an oven, the dried test paper is cut to be suitable for all the installation grooves in the kit respectively, and all the installation grooves correspond to the detection hole, the control hole and the sample adding hole of the detection card respectively; detection is performed at any time. Compared with the prior art, the sodium tungstate is added into the detection card, so that the blocking effect is achieved, DTNB in the detection hole is not prone to being oxidized and reduced, and the false positive probability is reduced.

The present application relates to the field of food, and proposes a dairy product and a preparation method thereof, the method comprising: subjecting raw milk to fat separation and membrane separation treatment to obtain cream, membrane concentrate and permeate; subjecting the permeate to freeze concentration and decanter separation treatment to obtain water, concentrated lactose solution and concentrated skim milk; subjecting the water, concentrated lactose solution and lactase to enzymolysis treatment to obtain lactose-free solution; subjecting the cream, membrane concentrate and concentrated skim milk to ultra-high temperature sterilization treatment to obtain a first sterilization product; subjecting the first sterilization product to a first mixing treatment with the lactose-free solution to obtain the dairy product. The method for preparing dairy products in the present application can effectively reduce the Maillard reaction, retain the natural color and nutrients in the milk source to the greatest extent, improve the nutritional value, flavor, taste, color and stability of the product, have high production efficiency and low cost, and are suitable for industrial production and application.

The invention relates to a method of obtaining zinc-nickel alloys in relatively green ionic liquids, which can form a specific phase that can be an alternative to cadmium plating used in the aerospace industry, which in the present art is carried out in toxic and carcinogenic solutions.

Severed nerves can be surgically reconnected and severed axons fused via sequential administration of a solution. The solution may include a Ca-free solution containing methylene blue. 2+ A priming solution of saline solution, a fusing solution containing about 50% (w / w) PEG, and a solution containing Ca 2+ The PEG fusion solution can be applied to a nerve treatment device configured to isolate a damaged segment of a nerve. The device can include a containment chamber for creating a fluid containment field around the anastomosis. The device can have slits, slots and / or holes in opposite end walls of the device designed to receive the nerve. The device can have an open bath configuration, or can include a separable lower body and upper body to form a closed bath configuration. The device can include one or more fluid ports in fluid communication with the containment chamber for introducing and / or removing fluid.

The present invention provides a method for recovering vanadium electrolyte from vanadium-containing waste felt, comprising the following steps: (1) introducing carbon felt into a chamber of a treatment device, injecting dilute sulfuric acid into the chamber, and heating; (2) impacting the carbon felt, so that most of the vanadium electrolyte in the carbon felt quickly diffuses into the dilute sulfuric acid solution, obtaining a vanadium-rich acid solution, and discharging it from the treatment device; (3) introducing pure water into the chamber of the treatment device, impacting the carbon felt, obtaining a dilute vanadium acid solution, discharging it, and using it as the dilute sulfuric acid described in step (1); (4) detecting the concentration of the vanadium-rich acid solution discharged in step (2), adding a calculated amount of vanadium pentoxide and sulfuric acid, and obtaining a vanadium electrolyte through a reduction reaction. The method and device of the present invention can fully recover vanadium ions in vanadium-containing waste felt without waste liquid discharge, which is both economical and environmentally friendly.

Provided is a method for recycling a retired nickel-cobalt-manganese (NCM) cathode with an alkali-free solution designed based on Le Chatelier's principle. Citric acid is used as a leaching agent and leached at a suitable solid-to-liquid ratio and acid solution concentration. Oxalic acid is added to obtain a green precipitate, and the green precipitate is mixed with a certain amount of LiOH and then calcined to obtain a regenerated cathode.

Harmful algal blooms (HABs) such as red tide blooms can be mitigated or controlled by applying a water-soluble algicidal unsaturated fatty acid salt or soap, or a methanol-free solution of an unsaturated algicidal fatty acid, to water containing a HAB concentration, wherein the salt, soap or solution reduces the HAB concentration.

The invention relates to a neodymium-iron-boron magnet without heavy rare earth addition. The general formula of the neodymium-iron-boron magnet is R < x > T < 100-x-y-z-a-b > T < myTg < z > BaH , wherein x belongs to [13.3, 17], y belongs to [0.3, 5], z belongs to [0.1, 0.5], a belongs to [5, 5.8], and b belongs to [0, 0.2]; moreover, the neodymium-iron-boron magnet satisfies the following condition: the neodymium-iron-boron magnet has a main phase R2T14B and a grain boundary phase. According to the neodymium-iron-boron magnet, under the condition that no heavy rare earth is added, Hcj is increased to 17 kOe to 23 kOe, Br is 12 kGs to 15 kGs, the squareness is not lower than 94% through cooperative control over components, grain boundaries, three-stage tempering treatment and the like, and a high-performance and low-cost heavy rare earth-free solution is provided for the fields of wind power generation, new energy automobiles, industrial servo, humanoid robots and the like.