19results about How to "Guaranteed storage stability" patented technology

The application discloses a kind of low morbidity feed for California bass antibiotic-free breeding and preparation method thereof, belong to aquatic feed field.The feed is composed of 60~80 parts of basic feed component, 10~20 parts of fermented plant protein, 2~6 parts of functional compound additives.Fermented plant protein is prepared by compound fermentation of butyric acid clostridium and bacillus subtilis from soybean meal, bran, rice bran, brown sugar and the like.Functional compound additives include pre-embedded material and microcapsule coated sodium butyrate, and the pre-embedded material is prepared by embedding treatment of astaxanthin, lutein and rosemary extract with β-cyclodextrin and gum arabic.The application significantly reduces the incidence of intestinal inflammation of California bass through the synergistic effect of fermented plant protein, pre-embedded antioxidant combination and microcapsule sodium butyrate, enhances antioxidant capacity, improves body color, improves the stability of active ingredients and feeding rate, and realizes low morbidity under antibiotic-free breeding conditions.

The application discloses a kind of service concrete penetration type anti-freezing protective material and preparation method thereof, belong to concrete protection technical field.The composition of the protective material is: organic silicon modified penetration enhancement component 30~60 parts, nano-crystalline component 10~30 parts, microbial self-repairing component 5~20 parts, composite silane coupling agent 2~8 parts, penetration accelerator 1~5 parts, stabilizer 0.5~3 parts, defoaming agent 0.1~1 part, water 10~50 parts.The application constructs "hydrophobic barrier-crystallization densification-microbial self-repairing" triple synergistic protection system, solves the technical bottleneck that existing concrete protective material penetration depth is shallow, long-acting protection stability is poor, has no active crack repair capacity, construction is complicated, and on-site adaptability is poor.The application preparation process is simple, product performance is stable, cost-effective, can long-acting improve the frost resistance of concrete structure in severe cold area.

The invention relates to the technical field of oral medicine boxes, and provides an intelligent portable oral medicine box and a using method thereof.The intelligent portable oral medicine box comprises a shell, a controller is fixedly connected to the left side of the top end of the shell, a plurality of buttons are arranged on the front side of the top end of the controller, and a second display screen is fixedly connected to the rear side of the top end of the controller; the right side of the top end of the shell is connected with a plurality of top covers through opening and closing pieces, the top ends of the top covers are fixedly connected with a first display screen, the right end of the shell is provided with a plurality of medicine storage grooves corresponding to the top covers, the top ends of the top covers are provided with different numbers, and the numbers of the numbers range from 1 to 8. And through intelligent and accurate medication management, the risks of missed taking and wrong taking are effectively reduced. Through the functions of time calibration and grouping medicine taking plan setting, the medicine taking requirements of different periods of 1-7 days can be flexibly met, the three reminding mechanisms of vibration, sound and display screen flickering are combined, the reminding intensity is dynamically adjusted along with time, and the volume can be automatically matched according to environmental noise.

The application provides a water-soluble support material and a preparation method and application thereof, and relates to the technical field of 3D printing materials. The water-soluble support material comprises, in terms of mass fractions, 30-45 parts of polyether-based diisocyanate, 30-40 parts of a water-soluble monofunctional monomer, 5-20 parts of a water-soluble organic solvent, 5-15 parts of an emulsifier and 1-10 parts of a photoinitiator. The polyether-based diisocyanate contains free isocyanate groups, can react with water to generate gas in a water washing process, construct a pore channel in situ in the support structure, significantly accelerate the penetration and dissolution of water, and realize the rapid removal of the support material. Meanwhile, the water-soluble support material has excellent inkjet adaptability, ensures stable jetting in the printing process, good interlayer bonding, clear and complete shaping, and is suitable for the synchronous support construction and efficient post-processing of complex models in inkjet 3D printing.

This utility model relates to the field of kitchen storage equipment technology and discloses an adjustable modular kitchen utensil rack, including a base, a top plate, a support cylinder, and an adjustable connecting rod. The support cylinder is connected to the top of the base, and the top end of the adjustable connecting rod is connected to the bottom of the top plate by screws. The bottom end of the adjustable connecting rod passes through the support cylinder and extends into the interior of the support cylinder. This utility model supports stepless height adjustment in both directions through a bidirectional toothed ratchet and a slotted axial sliding spline connection design. Combined with the inclined wedge drive structure of the mechanical button, unlocking and resetting can be completed in a single operation, improving adjustment efficiency compared to traditional ratchet mechanisms and meeting the flexible adaptation needs of kitchen utensils of different heights (such as tall pots and short plates). In addition, the partitioned tray and the wire mesh frame are modularly installed through elastic buckles, while the drainage design of the filter plate and the water collection tank reduces cleaning time, achieving a balance between functionality and convenience.

The invention relates to the technical field of batteries, in particular to a dispersing agent and a preparation method and application thereof. The dispersing agent is a copolymer and comprises a main chain formed by copolymerization of an oil-soluble olefinic unsaturated monomer unit M1 and an olefinic unsaturated monomer unit M2 containing anhydride and / or carboxyl; the polymer side chain R1 is grafted on the M2 unit of the main chain and contains an ether bond and / or an ester bond; and the side chain R2 is grafted on the M2 unit of the main chain and contains an amide group. Wherein the polymer side chain R1 guarantees the long-term dispersion stability of the particles through a steric hindrance effect; the side chain R2 captures moisture and neutralizes acidic impurities through an amide group of the side chain R2, so that chemical passivation of the lithium supplementing agent is realized, and a gas production side reaction is inhibited from the source; and the main chain further optimizes the overall stability of an electrode interface by enhancing the compatibility of each component, so that the synergistic improvement of the processability, storage stability and electrochemical cycle performance of the slurry is realized.

The application belongs to the technical field of microorganisms, and discloses a salt and alkali tolerant squirrel mammalian coccus and application thereof. Mammaliicoccus sciuri ​ STM10, which is a gram-positive coccus, has been preserved in the China General Microbiological Culture Collection Center with a preservation number of CGMCC No.38450. The strain has salt and alkali tolerance, can play the promoting functions of nitrogen fixation, phosphorus dissolution and resolution, iron carrier production and protease production, and can be prepared into microbial fertilizer. Application of the microbial fertilizer can effectively relieve salt and alkali stress, improve the seed germination and growth ability of crops, improve the physical and chemical properties of saline-alkali soil, optimize the ion environment, promote the nutrient absorption of crops, and provide support for agricultural utilization of saline-alkali land.

The utility model relates to the technical field of entertainment equipment, concretely relates to a ball game box, its including: box body, the box body is rectangular structure, and top is equipped with rectangular groove, a plurality of obstacle board is distributed in the rectangular groove, and one end of rectangular groove is arranged with a plurality of collection groove along the width direction, still be equipped with the ball collection track along the width direction through each collection groove in the box body, one end of ball collection track is equipped with the ball launcher, the bottom of box body corresponds one end of ball collection track along the width direction and is equipped with the hinged shaft, base, the base is frame structure, and is through both sides' axle frame and hinged shaft end cooperation, both sides of base top are hinged with the support plate respectively, the bottom of box body corresponds each support plate along the length direction and is arranged with a plurality of positioning slot respectively. The utility model realizes the stepless adjustment of the inclination angle, and still can make the equipment foldable flat state, solves the storage problem of traditional integral structure.

The utility model discloses an ammonia water storage and seal integrated tank device relates to chemical equipment technical field, the utility model discloses a tank body, upper cover, lower pipe valve, surround pipe, mixing mechanism and constant temperature circulation structure, the tank body is used for storing ammonia water, and its lower extreme is equipped with lower pipe valve, is used for controlling material discharge, and the tank body outside is equipped with support structure, ensures equipment stable operation, the upper cover is connected in the tank body top through screw thread, and the inside is equipped with surround pipe, is used for the import constant temperature medium, realizes the temperature regulation in the jar, prevents ammonia water crystallization or volatilization, the mixing mechanism includes main rotation lever, from rotation lever and multiple groups of stirring vane, realizes multi -shaft synchronous stirring through gear drive, and the stirring vane adopts reverse rotation design, and the mixing effect is enhanced, and the material uniformity is promoted, the whole structure is integrated in storage, mixing, temperature control and sealing function, and the stability of ammonia water storage and conveying safety has been effectively promoted, is applicable to the application scene of efficient treatment to ammonia water in chemical industry, environmental protection and energy etc. field.

The invention provides an alkaline polishing solution based on modified silica sol and a preparation method and application thereof. The polishing solution is prepared from, by mass, 5%-15% of silica sol, 0.01%-0.2% of silane coupling agent, 0.1%-1.5% of additive and the balance pH regulator and water, and the pH value of the polishing solution is 8-11 through the pH regulator; the silane coupling agent is an amino silane coupling agent. The alkaline monocrystalline silicon polishing solution provided by the invention is environment-friendly, high in polishing efficiency and low in surface damage, and high-precision polishing of a monocrystalline silicon wafer is realized by modifying silicon dioxide through amino silane to optimize the dispersity of a grinding material.

This invention relates to the field of biological sample storage technology and discloses an automated ultra-low temperature micro-positive pressure device and system, comprising: an upper frame and a lower frame; the upper frame includes a micro-positive pressure chamber, a motion module, a PSA nitrogen generation module, and an upper frame base; the micro-positive pressure chamber is disposed on the upper frame base, the motion module is installed inside the micro-positive pressure chamber, and the PSA nitrogen generation module is connected to the micro-positive pressure chamber through a first flange interface; the motion module integrates a cover gripping assembly, a hand gripping assembly, and a pipette tip assembly; the cover gripping assembly is used to grip the cover plate of the chamber or the transport box; the hand gripping assembly is used to grip the sample tray; and the pipette tip assembly is used to aspirate cryopreservation tubes. This invention constructs a micro-positive pressure inert environment, automates sample storage and retrieval, precisely controls temperature, monitors and adjusts in real time, improves the reliability and convenience of ultra-low temperature storage, and ensures the long-term stable preservation of biological samples.

This invention provides a highly conductive copper paste that cures in an air atmosphere, its preparation method, and its applications, belonging to the field of conductive paste preparation technology. The highly conductive copper paste comprises: 60-80% conductive copper powder; 3-10% polymer resin; 1-3% curing agent; 3-10% first solvent; 1-5% additives; and 7.5-17% particle-free conductive copper ink. The copper salt precursor in the particle-free conductive copper ink is dissolved in the form of copper ions in a mixture of its complexing agent and second solvent. When the highly conductive copper paste is heated and cured in an air atmosphere, the copper ions in the particle-free conductive copper ink are reduced in situ to nano-copper particles, which form welded connections between the conductive copper powder particles, constituting a conductive network composed of micron-sized conductive copper powder and in-situ generated nano-copper weld points. The highly conductive copper paste of this invention has low manufacturing cost, high conductivity, and the potential for room temperature dormancy and heat-triggered decomposition.

The utility model discloses a tool storage device for fire detection, and belongs to the technical field of tool storage, the tool storage device for fire detection comprises a box body, one end of the top of the box body is fixedly connected with a limiting block, and the interior of the box body is slidably connected with a group of drawers; a drawer is arranged in the box body, positioning grooves are formed in the positions, close to the top faces, of the two ends of the drawer, a lead screw is movably connected to the position, close to one end, of the interior of the box body, and a mistaken touch prevention mechanism is arranged at the top end of the lead screw. Meanwhile, opening and closing adjustment of the storage device is synchronously completed, tools are convenient to take and store, the mistaken touch prevention assembly is arranged, the state of the adjusting end of the lifting adjusting assembly can be adjusted, the mistaken touch problem is reduced, and the storage stability of the storage device is guaranteed.

The invention relates to the technical field of alloy stent material preparation, and discloses a zinc-aluminum-magnesium-coated high-strength stent material, which is prepared by the following steps: selecting a low-carbon microalloy high-strength steel cold-rolled steel coil, uncoiling, degreasing with alkali liquor, pickling with hydrochloric acid, rinsing with hot water, and drying to obtain a clean steel strip; the clean steel strip is input into a continuous annealing furnace, recrystallization annealing is conducted in the protective atmosphere, heat preservation is conducted for 60-120 seconds at the temperature of 850 + / -20 DEG C, then exposure is conducted in the micro-aerobic environment, reduction is conducted in the strong reducing atmosphere, and an activated steel strip is obtained; electromagnetically stirring and filtering the plating solution to obtain an improved plating solution; preheating the activated steel strip, vertically immersing into an improved plating solution for immersion plating, and sealing and protecting by nitrogen; after the strip steel is taken out of the plating pot, high-pressure nitrogen is used for purging and rapid cooling, then slow cooling is conducted, and water mist cooling is conducted to the room temperature after the temperature is lower than 320 DEG C; coating the steel strip with a silane-zirconate composite passivation solution, and drying and curing the steel strip to obtain a passivated steel strip; and finishing, shearing and packaging to obtain the high-strength stent material with the zinc-plated aluminum-magnesium coating.

The invention discloses a high-temperature-resistant, insulating and flame-retardant powder coating which is prepared by the following steps: in a first stage, adding hydrogenated bisphenol A epoxy resin, carboxyl polyester resin and a CTBN toughening agent into a high-speed mixer, and in a second stage, sequentially adding a benzimidazole zinc-graphene compound, microcapsule coated expanded vermiculite, silicon nitride, flaky mica and fumed silica; melting and extruding a sheet by using a twin-screw extruder, introducing into a constant-temperature cooling water tank for quenching hardening treatment, and washing the surface of the sheet by cooling water to form a brittle hardened sheet; the preparation method comprises the following steps: coarsely crushing a brittle hardened sheet, grinding and sieving to obtain a powder coating finished product, taking a benzimidazole zinc-graphene compound as a functional filler, fully exerting the heat-conducting dispersing capacity of graphene and the high-temperature ceramization characteristic of benzimidazole zinc, and remarkably enhancing the high-temperature insulating strength and arc resistance of a coating; compared with performance degradation caused by poor interfacial compatibility of a traditional insulating filler, the performance degradation rate after high-temperature circulation can be effectively reduced.

The application discloses a kind of storage-resistant antioxidant blending gasoline blending device and method, belong to gasoline stirring technical field, to solve the problem that conventional rotary injector nozzle is fixed, jet coverage is limited, tank wall and blind area is easily mixed unevenly, affect oil product stability, the application includes blending tank, the circumferential side wall of the inner chamber of blending tank is fixedly installed with the rotary injection assembly for blending gasoline, and the liquid inlet end of rotary injection assembly is communicated with valve one by oil pipe, and the inner wall of liquid outlet end of rotary injection assembly is fixedly installed with a plurality of auxiliary blending components for enhancing gasoline blending, the auxiliary blending component in the application automatically extends and conducts under high pressure, so that branch jet stream and main jet stream cooperatively form three-dimensional multidirectional turbulent flow field, directional impact tank wall and injection blind area, effectively avoid local concentration deviation of additive, guarantee gasoline antioxidant property and storage stability.

This invention belongs to the field of bonding metal wire production technology, specifically relating to an automated winding system for bonding metal wire production. It includes a wire drawing assembly, a wiring assembly, a winding assembly, and a paper feeding assembly that work sequentially. The wire drawing assembly employs a radially adjustable combined wire drawing roller to adapt to different wire diameters, and is equipped with a closed-loop lubrication circuit to reduce wire drawing friction loss. The wiring assembly uses a steerable guide tube in conjunction with fixed and moving guide blocks to ensure smooth wire routing and uniform tension. The winding assembly uses an adsorption-tightening positioning structure to improve the stability of the winding drum and ensure winding regularity. The paper feeding assembly can lay release paper layer by layer to achieve interlayer isolation of the wire. This invention effectively solves problems such as wire scratches, breakage, deformation, interlayer adhesion, and oxidation contamination, improves winding quality and finished product storage stability, and meets the high-precision, automated, large-scale production needs of the semiconductor industry.

The application discloses a blood sample storage and transportation device for a neonatal intensive care unit, which comprises a box body, a first storage chamber, a second storage chamber and a third storage chamber are arranged in the box body; a first drawer is slidably arranged in the first storage chamber, a first storage part for storing sampling information materials is arranged on the first drawer, a second drawer is slidably arranged in the second storage chamber, a second storage part for storing blood collection tubes is arranged on the second drawer, a third drawer is slidably arranged in the third storage chamber, and a third storage part for storing dried blood spots is arranged on the third drawer; and cold source chambers are arranged on the two sides of the second storage chamber. The blood sample storage and transportation device can stably store different types of samples and is convenient to transport.

The application discloses an internet-based food material distribution multi-source information database management system, and relates to the technical field of database management.The system comprises a multi-source information collection module for collecting multi-dimensional information of the whole process of food material distribution, wherein the multi-dimensional information comprises food material basic information, circulation state information, distribution resource information and user demand information, the food material basic information comprises product category, origin, quality inspection report and preservation period data, and the circulation state information comprises storage location, transportation track and temperature and humidity record data.The application realizes centralized integration and standardized management of multi-source information of food material distribution, breaks information dispersion barriers, unifies data format and storage rules, and improves information query and utilization efficiency.Through data preprocessing and distributed database architecture, combined with optimized index design, data quality and storage stability are ensured, efficient storage and rapid query of massive data are supported, and information management requirements of large-scale distribution scenarios are adapted.