16results about How to "Accurate dose" patented technology

The utility model belongs to the technical field of thermosetting powder coating processing, and particularly relates to a quantitative feeding device for environment-friendly thermosetting powder coating processing, which comprises a plurality of raw material feeding hoppers, a plurality of control valves, a plurality of small quantitative feeding mechanisms and a plurality of annular weighing devices. The multiple small-volume quantitative feeding mechanisms are installed above the raw material feeding hopper, the outer wall of the raw material feeding hopper is fixedly connected with a limiting ring, the annular weighing devices are installed below the limiting ring, and the bottom ends of the multiple annular weighing devices are fixedly connected with annular supporting plates; a side supporting plate is fixedly connected to one side of the annular supporting plate; raw materials are contained and weighed through a raw material feeding hopper, a limiting ring and an annular weighing device, preloading of most of the raw materials is achieved, the small-mass quantitative feeding mechanism and the annular weighing device are matched to accurately add missing parts, and rapid and accurate feeding of large-mass raw materials can be achieved in a low-cost mode.

The present invention discloses a controlled-release type polymeric ferric sulfate water treatment agent and its preparation method, belonging to the technical field of water treatment functional materials. The water treatment agent consists of polymeric ferric sulfate, an iron ion color indicator, a gel matrix, a cross-linking calcium agent, amino diatomaceous earth, a pore-forming agent and an inert filler. The preparation method includes: first preparing a network gel, then preparing soft materials, and finally obtaining the product through pill-making and drying. The present invention realizes the slow release and controllability of polymeric ferric sulfate, and the color indicator can directly reflect the consumption state of polymeric ferric sulfate, facilitating storage, transportation, dosing and recovery.

The application belongs to the technical field of medicine, and relates to a medicine and instrument combination system for treating bromhidrosis by using a sclerosing agent and a multi-needle injection needle and application thereof. The medicine and instrument combination system is a medicine and instrument composition comprising a sclerosing agent and a disposable sterile injection needle. The sclerosing agent comprises one or more of polidocanol, lauromacrogol, sodium myristyl sulfate and sodium morrhuate. The disposable sterile injection needle is a nine-needle injection needle or a five-needle injection needle. The nine-needle injection needle or the five-needle injection needle has uniformly distributed needle heads and equal lengths of the needle heads. The medicine and instrument combination system can standardize injection of the sclerosing agent in the process of treating bromhidrosis, accurately control the dosage, control the curative effect, reduce adverse reactions and improve safety.

This invention belongs to the pharmaceutical field and relates to a human nerve growth factor composition. This invention provides a human nerve growth factor composition that can be administered via multiple routes, maintains good stability without cryopreservation, and does not require fixed accessories, simplifying operation and improving the convenience of medication.

The invention belongs to the technical field of power plant indirect cooling circulating water treatment, and relates to an automatic control device and method for the quality of indirect cooling circulating water. Comprising an intelligent control cabinet, an alkali solution tank, an acid solution tank, a mixed ion exchanger, a condenser and an indirect cooling tower aluminum heat exchanger, a conductivity meter, a pH meter and a PLC (Programmable Logic Controller) are arranged in the intelligent control cabinet; the alkali solution tank is connected with a circulating water inlet pipeline; the acid solution tank is connected with a circulating water inlet pipeline; a pH electrode is arranged on the circulating water inlet pipeline; a conductivity electrode is arranged on the circulating water outlet pipeline; the condenser inlet is connected with the circulating water outlet pipeline; the condenser outlet is connected with the circulating water inlet pipeline; the circulating water outlet pipeline is connected with an inlet of the mixed ion exchanger; an outlet of the mixed ion exchanger is connected with an inlet of the condenser. According to the invention, accurate control of the water quality pH value and conductivity of the intercooling circulating water can be realized, so that system corrosion is effectively inhibited, the service life of equipment is prolonged, and safe and economical operation of a unit is guaranteed.

This utility model relates to the field of chemical production and processing technology, specifically an automatic dispersant dosing device. It includes a dispersant dosing unit, a reaction unit, and a washing unit. The dispersant dosing unit includes a dispersant hopper, with a dispersant tipping machine connected to the bottom of the hopper, and a dispersant screw conveyor connected to the bottom of the tipping machine. The reaction unit includes a sodium sulfide solution preparation tank and a dispersant solution preparation tank, with the upper part of the sodium sulfide solution preparation tank connected to the sodium sulfide solution tank via a pipeline. In this automatic dispersant dosing device, the dispersant hopper, dispersant tipping machine, and dispersant screw conveyor, in conjunction with a level gauge and a PLC automatic control system, achieve automatic and precise dispensing of the dispersant. The tipping machine shaft and rake teeth of the dispersant tipping machine effectively prevent material blockage, while the screw conveyor shaft and blades of the dispersant screw conveyor ensure stable material transport, avoiding errors and delays associated with manual dosing.

The utility model discloses a kind of high-concentration hemicellulose wastewater treatment systems, it is related to high-concentration hemicellulose wastewater treatment technical field, including the adjusting pool, fenton reaction pool, fenton sedimentation tank, multistage hydrolysis acidification pool and lifting pool connected in order, the adjusting pool water inlet is connected with high-concentration hemicellulose wastewater pipeline, non-ferrous wastewater pipeline and acidic wastewater pipeline, adjusting pool and fenton reaction pool between being provided with dispensing room, and ferrous sulfate storage tank, hydrogen peroxide storage tank and PAM storage tank are provided in dispensing room, ferrous sulfate storage tank and hydrogen peroxide storage tank are connected with fenton reaction pool water inlet respectively, and PAM storage tank is connected with fenton reaction pool, fenton reaction pool is also connected with alkali tank, the fenton sedimentation tank bottom is provided with sludge pump, and the lifting pool water outlet is connected with polymeric ferric sulfate storage tank. Through pre-fenton system combination multistage anaerobic treatment unit realizes the efficient decomposition of hemicellulose, lignin and other refractory substances, and cooperates subsequent advanced treatment to ensure that effluent COD is stable and up to standard.

The utility model discloses a tertiary fluorine removal device, including frame, in the frame from liquid flow direction setting has one -level fluorine removal unit, two -level fluorine removal unit and tertiary fluorine removal unit in proper order, and each level fluorine removal unit includes reaction area and fluorine removal sedimentation tank, wherein reaction area is located the water inlet side, and the fluorine removal sedimentation tank is located the water outlet side of reaction area, wherein the reaction area of first fluorine removal unit is communicated with the processing liquid collection jar through the pipeline of installing peristaltic pump. The utility model discloses can control in stages, multistage collaborative fluorine removal. Through the construction three -level gradient processing system, realize the different treatment under the pollutant concentration gradually decreasing step by step, and establish the reaction pool function modular configuration, and optimize the reagent dosing timing and mixing intensity.

This utility model discloses a precision dosing device, including a loading bracket. A longitudinal guide rail is installed on each of the top two sides of the loading bracket. A transverse support beam is arranged between the two longitudinal guide rails. A transverse linear module is installed at the bottom of the transverse support beam. A dosing mechanism is installed at the bottom of the slide of the transverse linear module. A ball screw is rotatably connected inside each of the two longitudinal guide rails. Slots are formed on the surfaces of both longitudinal guide rails. The two ends of the transverse support beam pass through the two slots and extend into the interior of the two longitudinal guide rails. This utility model, through the coordinated operation of the loading bracket, longitudinal guide rails, transverse support beam, transverse linear module, and ball screws, enables the dosing mechanism to move to any position in a two-dimensional plane above the wastewater treatment equipment. This allows the dosing mechanism to perform precise dosing at any designated location, greatly improving the flexibility of dosing and the treatment effect.

This invention discloses a preparation process for a targeted drug delivery system based on the synergistic effect of Lamp2b and IMTP, comprising the following steps: constructing cells overexpressing the Lamp2b-IMTP fusion protein, culturing cells overexpressing the Lamp2b-IMTP fusion protein, thereby obtaining the targeted drug delivery system. The Lamp2b / IMTP synergistic targeted drug delivery system obtained by this invention allows for the specific accumulation of drugs in target cells, such as tumor cells, achieving precise drug delivery. The fundamental localization role of Lamp2b: Lamp2b is a naturally occurring transmembrane protein on the surface of exosomes, responsible for mediating the "initial recognition" between exosomes and recipient cells, ensuring that the delivery system, with exosomes as the core carrier, can be effectively recognized and bound by cells, avoiding rapid clearance by the body as a "foreign substance."

The invention is suitable for the technical field of medical instruments, and provides an intelligent chronic disease medicine dispensing system which comprises a medicine box supplying and transferring module, an automatic subpackaging module, an intelligent checking module, a packaging and identifying module and a finished product output module. According to the system, after empty medicine boxes are fed, each time of medicine is accurately subpackaged through the subpackaging machine according to a prescription, then automatic checking is carried out through the visual system, film covering sealing, laser marking and labeling are carried out after it is ensured that no error exists, and finally finished products are output. According to the system, automation and intelligentization of the whole process from prescription to sub-packaging, checking and packaging of chronic disease medicines are achieved, the medicine dispensing efficiency and accuracy are greatly improved, the labor cost and the error rate are reduced, and the medication safety and the management refinement level of patients are remarkably improved through integration of prescription checking and information tracing functions.

This invention discloses an orally disintegrating film formulation of BPC-157 sodium salt for treating acute alcohol poisoning and its preparation method. It relates to the field of acute alcohol poisoning treatment technology. The orally disintegrating film formulation comprises, by weight percentage: 0.1-5% BPC-157 sodium salt, 40-70% film-forming material, 5-15% plasticizer, 0.1-15% disintegrant, 0.1-15% sweetener, 0.1-10% salivary stimulant, and 1-5% other excipients. This invention prepares an orally disintegrating film formulation of BPC-157 sodium salt, utilizing its rapid dissolution characteristics and the pharmacological effects of BPC-157, providing a new option for treating acute alcohol poisoning. This formulation has advantages such as rapid onset of action, high bioavailability, and few side effects, and is expected to become an effective drug for treating acute alcohol poisoning.

The utility model relates to an agricultural planting water and fertilizer integration irrigation equipment, including mixing jar, filter water tank and parallel fertilizer barrel. Mixing jar top is equipped with feed pipe and water inlet pipe, bottom is equipped with liquid outlet pipe, jar inside transverse axis arrangement stirring rod, pole body evenly sets up stirring vane, and stirring rod is by drive motor through pulley and V type belt drive. Filter water tank is located below mixing jar, and top is connected through flange lower water pipe, and the box is equipped with annular laminated hollow cylindrical filter core, and the filter core center extends and connects the drain pipe of irrigation water pipe. Equipment integrated control box is based on water flowmeter data and preset proportion adjustment drive motor rotating speed, simultaneously through EC sensor and pH sensor real -time feedback, adopts fuzzy PID algorithm dynamic adjustment stirring intensity or acid -base pump flow. The utility model realizes that the liquid fertilizer is mixed evenly, is filtered efficiently and is controlled accurately in EC / pH precision closed loop, thoroughly puts an end to liquid fertilizer reflux, and is convenient for the user of farmer.

The utility model relates to pH adjusting equipment technical field, concretely is a kind of PH adjusting device for semiconductor pure wastewater treatment system, including inverted round table type's wastewater pH adjusting box, box support base, swing type stirring assembly and power mechanism, wastewater pH adjusting box bottom is rotatably installed on box support base, top is equipped with L type swing bar and stirring vane, drives worm and worm gear mechanism by main servo motor, makes L type swing bar realize up and down swing and left and right rotation, simultaneously drives adjusting box rotation, improves stirring uniformity and energy utilization rate. The utility model solves the problem that the prior art stirring uniformity is insufficient, and energy utilization rate is low, especially applicable to the treatment of semiconductor high-purity wastewater.

The application discloses a nystatin solution and a preparation method and application thereof, which is prepared from the following raw materials in parts by weight: nystatin 20-50 parts, dimethyl sulfoxide 110-220 parts, preservative 1.5-2.0 parts, antioxidant 0.5-1 part and 1,2-propylene glycol 737-880 parts. The application creatively adopts a composite solvent system of dimethyl sulfoxide and propylene glycol, utilizes the extremely strong dissolving capacity of dimethyl sulfoxide and the auxiliary solubilization and dilution effect of propylene glycol, and produces a significant synergistic effect. The system can completely dissolve up to 50 parts by weight of nystatin, forms a clear, transparent and uniform stable solution, fundamentally solves the technical bottleneck that nystatin cannot be prepared into a high-content solution due to poor water solubility, and lays a foundation for poultry group water medication.

This application belongs to the field of expansive concrete technology and discloses a batching device for expansive concrete, including a base plate, a mounting frame, a hopper, a mounting plate, a support plate, a vertical plate, and a sliding plate. A circular opening is provided on one side of the sliding plate, and a receiving tube is provided on the bottom surface of the sliding plate corresponding to the circular opening. A bottom cover that fits with the lower end of the receiving tube is hinged to the receiving tube. A support frame is provided on the mounting plate, and a storage box is provided on the support frame. A discharge pipe is connected to the bottom of the storage box, and the lower end of the discharge pipe slides in contact with the top surface of the sliding plate. The expansive agent in the circular opening is flush with the top surface of the sliding plate. When the receiving tube is completely away from the area directly above the support plate, the bottom cover loses its restraint and rotates downwards under gravity, causing the lower end of the receiving tube to lose its restraint and fall into the hopper, subsequently reaching the concrete mixer. This ensures that a fixed amount of expansive agent is delivered to the hopper with each movement of the sliding plate, guaranteeing a consistent dosage of expansive agent added to the concrete mixer each time.