30results about How to "Prevent dehydration" patented technology

The invention discloses a micro-expansive internal curing agent for steel pipe self-compacting concrete and a preparation method thereof.The micro-expansive internal curing agent comprises fluidized bed combustion ash and an adhesive component, the fluidized bed combustion ash is soaked in an adhesive solution, and the adhesive component is coated on the surface and in pores of the fluidized bed combustion ash; the mass fraction of viscose components in the viscose solution is 0.1%-1%, and the viscose components comprise 0-80 parts of alginate, 5-30 parts of polyacrylamide and 0-20 parts of carboxymethyl cellulose ether. According to the internal curing agent, the fluidized bed combustion ash is adopted as an internal curing agent matrix, the fluidized bed combustion ash is composed of calcium sulfate and the like, the early shrinkage performance of concrete can be reduced through expansion of the fluidized bed combustion ash, meanwhile, the surface porosity characteristic of the fluidized bed combustion ash is utilized, and viscose formed after alginate, polyacrylamide and carboxymethyl cellulose ether are dissolved in water is combined; pores of the fluidized bed combustion ash are filled with components such as alginate and the like, and the components are crosslinked with calcium ions on the surface of the fluidized bed combustion ash to form water-retaining gel microspheres with core-shell structures, so that the water absorption and water retention properties of the internal curing agent are improved.

The invention relates to an adhesion modified ionic conductive hydrogel for temperature and humidity sensing, a preparation method thereof and a storage device. The invention discloses adhesion-modified composite cross-linking ionic conductive hydrogel and a preparation method thereof, and relates to the technical field of polymer composite materials. The preparation method comprises the following steps: carrying out in-situ polymerization on polyvinyl alcohol, acrylamide, acrylic acid, cellulose, lithium chloride, a covalent cross-linking agent and an initiator at 50-60 DEG C by a one-pot method for 4-6 hours to obtain a precursor; carrying out low-temperature freeze-thaw cycle at-20 DEG C or below for 2-4 times; and carrying out polyol solvent exchange twice to obtain the polymer. Through in-situ polymerization covalent cross-linking and cellulose grafting, reversible physical cross-linking and secondary solvent exchange steps, the adhesive property of the hydrogel and the durability of the hydrogel in a low-temperature and natural dry environment can be improved on the basis of improving the mechanical property of the hydrogel, and the hydrogel can be used for assembling flexible stress-strain, temperature and humidity sensors and has wide application prospects. The invention also provides an adhesion modified ion conductive hydrogel storage device used for temperature and humidity sensing.

The present invention provides an antibacterial fresh-keeping agent for post-harvest sugar oranges and a preparation and use method thereof, and relates to the technical field of citrus fruit preservation. The antibacterial fresh-keeping agent is composed of carboxymethyl chitosan, sodium alginate, cooked rice stem powder, konjac flour, walnut green peel fermentation extract, and Bacillus amyloliquefaciens, wherein the walnut green peel fermentation extract is obtained by fermenting the walnut green peel with red yeast. The present invention overcomes the shortcomings of the prior art, effectively ensures the fresh-keeping and water-retaining effect of sugar oranges through the combination of various components, natural substances and microorganisms, and effectively inhibits the growth of pythium, thereby achieving a good antibacterial effect.

The invention belongs to the technical field of biology, and relates to a bronchoalveolar lavage fluid (BALF) preserving fluid, a kit and a cytological test method. The preservation solution is composed of TCEP, N-acetylcysteine, EDTA.2Na, trehalose, Proclin300, methanol, sodium chloride and HEPES, and all the components have a synergistic effect to achieve sample viscosity removal, oxidation resistance, corrosion prevention, cell protection and pH stabilization. The preserving fluid is suitable for morphological observation and nucleic acid detection of BALF cells, and can stably preserve samples at room temperature and maintain completeness of cell membranes and clear morphological structure. The kit comprises two preparations which are mixed to form a working solution, and the working solution can be directly used for sample preservation on a sampling site. The cytological test method comprises the steps of sample collection, preservation, centrifugal slide preparation, Wright-Giemsa staining and microscopic observation. Experimental results show that preservation solutions of different formulas are compatible with a chromosome system, the cell morphology is kept stable within 3 days, the dyeing effect is good, and it is proved that the preservation system can remarkably improve the preservation stability and detection reliability of BALF samples and is suitable for cytology and molecular diagnosis application of lower respiratory diseases.

The invention belongs to the field of agriculture, and particularly relates to a wild vegetable natural composite preservative and a preparation method thereof, the wild vegetable natural composite preservative is prepared from the following raw materials by weight: 0.6-0.9 part of a mixed flavone extract, 1-2 parts of L-malic acid, 2-3 parts of sodium lactate, 10-20 parts of a glucose solution, and 20-30 parts of glycerin. The natural composite preservative is prepared by adopting a method for extracting flavone from plants, and the prepared product is healthy and safe to use and has excellent preservative and fresh-keeping effects. L-malic acid is used as a pH regulator, so that the pH value of the preservative can be maintained in a proper range, the growth of microorganisms and the activity of enzymes are inhibited, and the preservation effect is further improved.

This utility model discloses a transport and storage box for Polygonatum odoratum seedlings, including an outer box and a lid. The lid is hinged to one side of the upper end of the outer box. A sponge layer is adhered to the inner side of the lid. Ventilation holes are provided on both sides of the outer box. A plastic inner liner is provided inside the outer box. Several through holes are provided at the bottom of the plastic inner liner. A side panel is detachably installed on one side of the plastic inner liner. A partition plate is fixedly provided on the side of the side panel near the plastic inner liner, which alternately divides the interior of the plastic inner liner. Handles are fixedly connected to both sides of the upper end of the plastic inner liner. The advantages of this utility model are: placing the plastic inner liner inside the outer box and then wetting the sponge layer on the inside of the lid can effectively maintain the humidity environment inside the box and prevent the roots and stems of Polygonatum odoratum seedlings from losing water. Then, through the ventilation holes on the outer box, an air circulation channel is formed inside the box, ensuring ventilation and avoiding stuffiness and mold growth inside the box.

The utility model discloses a transplanting device for garden planting, and relates to the technical field of transplanting devices, the transplanting device comprises a frame body, a pushing handle, a pulley, a connecting plate and a supporting plate, the surface of the connecting plate is provided with a fixing device, the fixing device comprises a connecting column, the connecting column is fixedly connected with the supporting plate, and the supporting plate is fixedly connected with the connecting column. A movable plate is fixedly connected to the other end of the connecting column, a limiting groove is formed in the surface of the movable plate, a rotating hole is formed in the surface of the movable plate, a sliding rod is rotationally connected to the surface of the rotating hole, a first clamping plate is fixedly connected to the surface of the sliding rod, and a second clamping plate is rotationally connected to the surface of the sliding rod; the surface of the second clamping plate is fixedly connected with a second spring, the other end of the second spring is fixedly connected with the first clamping plate, and the seedling transplanting device solves the problems that the seedling transplanting device is poor in fixing effect in the transportation process, so that the roots of seedlings are prone to being damaged by collision, and branches and leaves are prone to being damaged due to toppling.

The invention relates to a wetting liquid formula for improving a sample preservation effect and a preparation method. The wetting liquid formula comprises 15-50% of an anti-aggregation reagent; 5%-10% of a buffer solution; 1%-20% of an ionic strength maintaining reagent; 0.01% to 0.5% of an antimicrobial agent; 0.1%-5% of a mucus dissolving reagent; 0%-0.5% of a cleaning agent and 0.1%-0.5% of penicillanes The content percentage is calculated according to the amount of the prepared 1L solution. The sample conveying time efficiency and stability can be improved, and more flexible sample treatment and sample conveying time can be provided for a user.

The application relates to the field of food preparation, in particular to konjac meat processing technology, comprising the following steps: konjac is cleaned and ground, then the ground konjac paddle is poured into an ethanol-citric acid solution and soaked for 3-5h, during the soaking process, microwave treatment is carried out, then centrifugation, washing, drying obtains pre-treated konjac flour; water is added to the pre-treated konjac flour, and complex enzyme is added for enzymolysis after mixing, and enzymolysis konjac is obtained; soy protein powder, gluten powder, fermented starch, mulberry leaf powder, flavoring agent are added to the enzymolysis konjac, stirring and mixing are uniform, and a mixture is obtained; the mixture is heated, and continuously stirred to molding during heating to obtain a semi-finished vegetarian meat; the semi-finished vegetarian meat is cut into strips, and konjac meat is obtained after frying. The present invention is in the processing process of konjac meat, effectively improves the prebiotic effect of konjac glucomannan in the intestinal tract, and improves the health value of konjac meat.

This invention discloses a washing machine drainage control method and a washing machine. The washing machine operates a drainage program, with a drain pump installed at the bottom of the outer tub. Its outlet is connected to a drain hole in the outer tub via a drain pipe, which is inclined. The washing machine's drainage program is divided into four stages. Combined with structural modifications to the washing machine, the control method includes: Stage 1: Starting the drain pump and cyclically starting and stopping; Stage 2: Starting the motor and running at low speed, cyclically rotating with long runs and short stops; Stage 3: Controlling the motor to rotate with short runs and long stops; Stage 4: Controlling the motor to run at high speed. During Stages 2, 3, and 4, the drain pump is controlled to rotate with long runs and short stops. This invention, through structural modifications and drainage timing control, allows water in the drain pipe to flow back into the pump chamber due to the inclined structure of the drain pipe during the drain pump's stop period, pushing air out of the pump's inlet and into the outer tub, thus solving the problem of air trapped in the pump.

This utility model relates to a partitioned mycelial bridge root box, comprising a main body and a microporous partition inside the main body. The microporous partition divides the main body into a donor chamber, an intermediate mycelial bridge chamber, and a recipient chamber. The microporous partition has pores and is vertically installed inside the main body, isolating the donor chamber from the intermediate mycelial bridge chamber and from the recipient chamber. Rhizosphere dialysis probe channels are provided on the side walls of the donor chamber, the intermediate mycelial bridge chamber, and the recipient chamber. A top cover is provided on the top of the main body, with a gas exchange inlet and a gas exchange outlet. The lower end of the gas exchange inlet is connected to a diffuser. This novel design uses a vertically installed microporous partition to separate the three chambers. The pore size allows mycelia to pass through while blocking roots, ensuring isolation and connectivity. The inlet connects to the diffuser for uniform gas supply, a valve controls the on / off state, and the outlet exhausts air through a guide pipe. A detachable connector facilitates connection to external equipment.

The invention discloses a universal energy-saving dining stove for dry and wet applications, and specifically relates to the technical field of food processing equipment. The stove comprises a dining stove body component A, wherein a dining stove body component B is placed inside the dining stove body component A, an electric heating pipe is fixedly connected to the lower part of the dining stove body component B, an upper support plate is fixedly connected to the lower part of the dining stove body component B and located on the top of the electric heating pipe, and the top of the electric heating pipe is in contact with the bottom of the upper support plate, and the volatilization of water maintains the necessary humidity, thereby avoiding dehydration and drying of food, and the high-temperature boiling and evaporation of water should be avoided, thereby generating a large amount of condensed sweat that is difficult to handle, and a water basin is located in the central area, because the area is far away from the surface of the heating pipe and the temperature is low, so that "water volatilization" rather than "water evaporation" is achieved, and the "adding water, changing water, cleaning" structure is simplified when the product is used, the manufacturing process is simplified, no special mold investment is required, and the cost is reduced.

This invention relates to the field of soybean protein product processing, and discloses a method for preparing steamed soybean protein tofu and its low-temperature segmented braising and roasting process. The method includes premixing soybean protein isolate with an ice-water mixture, sequentially adding sodium pyrophosphate, salt, and D-anhydrous glucose and chopping, adding soybean oil and sodium stearoyl lactylate and chopping, adding cold-soluble κ-carrageenan and glucono-delta-lactone, mixing and discharging, pre-gelling by heat induction, and then demolding and cutting to obtain the embryo. The embryo is then mixed with a compound flavored braising sauce and braised in two stages, followed by a first-stage dehydration and a second-stage roasting. It is then vacuum-packed and sterilized under pressure and cooled under pressure before being removed from the oven. This invention utilizes soybean protein isolate combined with an ice-water mixture and cold-soluble κ-carrageenan to form a microemulsion system. During heat induction and cooling, an interpenetrating double-network gel structure is constructed, controlling the temperature rise to prevent premature thermal denaturation and inducing uniform cross-linking to avoid pores, thereby improving the system's water and oil holding capacity and elasticity.

This invention discloses a silicate colloid for high-solids-content, high-modulus composite fire-resistant glass and its preparation method, relating to the field of composite fire-resistant glass technology. Specifically, it describes a silicate colloid for high-solids-content, high-modulus composite fire-resistant glass and its preparation method. The colloid, by weight percentage, comprises a silicon source, water, glycerol / ethylene glycol / polyethylene glycol / polyglycerol, water-soluble organic acids and salts, water-soluble metal oxides or hydroxides, and alkali metal hydroxides, wherein the solids content is 60-75% and the modulus is 4.0-5.5. The preparation method includes: uniformly mixing the silicon source, water, additives, and functional additives, then adding alkali metal hydroxides, reacting at 50-90°C to obtain a prepolymer solution, followed by vacuum degassing. The viscosity is adjusted to the desired range by controlling the reaction conditions. This prepolymer solution is suitable for pouring or coating processes. After curing, the colloid forms a fire-resistant glass core layer. The resulting fire-resistant glass has advantages such as high light transmittance, ultra-thinness, dense foaming, low-temperature resistance, high weather resistance, and long lifespan.

The application discloses a diversion tunnel alternating flow staging gate closing water storage structure and method, relates to the technical field of water conservancy and hydropower construction, and comprises a first diversion tunnel, a second diversion tunnel and a three-face stoplog gate, the first diversion tunnel is provided with a first water inlet and a first water outlet at two ends, and is further provided with a third water inlet, the setting height of the third water inlet is higher than that of the first water inlet; the first diversion tunnel is further provided with a first gate slot and a third gate slot, and the first gate slot and the third gate slot are located at the front and rear of the third water inlet respectively; the second diversion tunnel is provided with a second water inlet and a second water outlet at two ends, the setting height of the second water inlet is higher than that of the first water inlet and is lower than that of the third water inlet; the second diversion tunnel is vertically provided with a second gate slot at the second water inlet; and the stoplog gate is formed by parallel and coplanar splicing of a plurality of baffles. The application can solve the problem that the downstream river channel cannot be effectively prevented from being dehydrated and cut off under the premise of ensuring economy and safety.

This invention provides a pressurized sealing device and method for slurry transport pipelines. The sealing device includes a repair pipe, two sets of drive systems disposed at both ends of the repair pipe, and two sets of pipe-clamping and fixing mechanisms. The repair pipe is fitted over the leak area of ​​the damaged pipe, and at least two sets of sealing strips are provided between the repair pipe and the damaged pipe. The leak area of ​​the damaged pipe to be sealed is located between at least two sets of sealing strips. The drive system includes multiple sets of second hydraulic cylinders, each set of second hydraulic cylinders having one end hinged to a pipe-clamping frame and the other end hinged to a corresponding force-bearing seat on the repair pipe. The two sets of pipe-clamping and fixing mechanisms provide positioning gripping points on both sides of the leak point in the slurry transport pipeline, providing force points for the second hydraulic cylinders. The repair pipe covers the damaged slurry transport pipeline, and the sealing operation of the pipeline transport system is completed under the drive of the second hydraulic cylinders. This invention can complete pressurized sealing operations of slurry transport pipelines, preventing pipeline blockage and ensuring the safety of the slurry transport system.

The application relates to the technical field of concrete pavements, and discloses a reinforced material for concrete pavements and a use method thereof. The reinforced material comprises dry materials and wet materials. The dry materials are as follows: 200-400 parts of white cement clinker, 70-120 parts of modified mineral powder, 300-700 parts of tailing sand, 50-140 parts of lithium slag powder and 5-50 parts of pigment. The wet materials comprise component 1 and component 2. The component 1 is composed of 10-30 parts of nano silicon oxide sol, 10-20 parts of polyaluminum, 10-30 parts of sodium silicate, 5-20 parts of aluminum sulfate, 5-10 parts of urea and 100-300 parts of water. The component 2 is composed of 5-10 parts of glue powder, 5-10 parts of 3-aminopropyltrimethoxysilane and 80-90 parts of water. The dry materials are sprayed on the surface of the concrete by a spraying machine or are uniformly vibrated on the surface of the concrete by a vibrating screen, and the wet materials are sprayed on the surface of the concrete by a sprayer, and then are collected and smoothed, so that the problems of low strength, easy falling and alkali return of the traditional reinforced material are solved.

The invention relates to a starting method of a fuel cell system and a vehicle with the fuel cell system. Comprising the following steps: in response to a starting instruction, acquiring the temperature of a cooling liquid outlet of a galvanic pile, heating the galvanic pile through a cooling liquid loop when the temperature is lower than a preset temperature, controlling a hydrogen loop and an oxygen loop of the fuel cell system to be in corresponding working states, and controlling a second output end and an air bypass valve to be in an open state, the first output end and the third output end are in a closed state, one end of the air bypass valve is connected with the output end of the intercooler, and the other end of the air bypass valve is connected with the oxygen output end of the electric pile; and obtaining the temperature of the output end of the air compression assembly and the hydrogen outlet temperature of the electric pile, and controlling the fuel cell system to start according to the temperature of the output end of the air compression assembly and the hydrogen outlet temperature. Therefore, the problems that in the prior art, the heating efficiency is low, the energy loss is large, the local temperature difference is too large, and cooperative regulation and control over the hydrogen and the air side are lacked are solved, and the safe, rapid and energy-saving cold start process is achieved.

The invention discloses a method for screening drought-resistant gene transgenic cotton in the technical field of biology, which comprises the following steps: step 1, setting an experimental group and a control group, the experimental group being a plurality of transgenic cotton seeds to be tested, and the control group being a plurality of common cotton seeds; 2, cotton physiological water demand is calculated, and a plurality of irrigation gradients are set; 3, determining the germination potential and germination rate of the cotton seeds of the experimental group and the control group, and transplanting normally germinated cotton seedlings; 4, irrigation control pots are prepared, cotton seedlings of the experimental group and the control group are planted in the irrigation control pots placed in the greenhouse, illumination and temperature are controlled to be consistent, and cotton plants of the experimental group and the control group are irrigated according to the irrigation gradient; 5, counting the survival rate of the cotton plants of the experimental group and the control group under different irrigation gradients, and controlling the boll setting number in the quality comparison group to be consistent when the cotton grows to the flowering and boll setting period; 6, picking the cotton, and detecting and comparing the yield and quality characters.

The application discloses a gas diffusion module of a fuel cell, a fuel cell and a preparation method. The gas diffusion module comprises a substrate layer and a microporous layer which are arranged in sequence. The substrate layer is provided with a first hole group and a second hole group. The first hole group and the second hole group are both provided with micro-perforations. The hydrophobicity of the micro-perforations on the first surface is greater than that on the second surface. The pore diameter of the micro-perforations located in front of the air flow direction in the first hole group and the second hole group is greater than that of the micro-perforations located behind the air flow direction. Alternatively, the opening density of the micro-perforations located in front of the air flow direction in the first hole group and the second hole group is greater than that of the micro-perforations located behind the air flow direction. On any homologous line perpendicular to the air flow direction, the opening density of the micro-perforations of the first hole group is greater than that of the micro-perforations of the second hole group, and the pore diameter of the micro-perforations of the first hole group is smaller than that of the micro-perforations of the second hole group. The water in different positions of the cathode surface is kept relatively balanced, and water accumulation and excessive water loss are prevented.

In an immersed membrane system, an influent flows into an open membrane tank. The membrane tank may have a plurality of horizontally spaced immersed membrane units. The immersed membrane unit may have a flat membrane element in a membrane shell. One or more pipes are disposed in the tank for directing the flow of the influent to the immersed membrane unit. In some examples, the influent is divided into substreams, which are optionally supplied to the corresponding immersed membrane units in substantially equal amounts, optionally in a single-pass flow through baffles. During operation of the membrane tank, the influent is directed through the bottom of the membrane tank and is divided into a plurality of portions. Each of the plurality of portions is directly supplied to the bottom of the corresponding immersed membrane unit located in the tank. The influent may be a mixed liquor in a membrane bioreactor (MBR).

The invention belongs to the technical field of water purification materials, and particularly relates to a gelatin coated TiO2-polypyrrole composite material as well as a preparation method and application thereof. The preparation method comprises the following steps: adding the polysorbate-80 into the paraffin oil, and stirring at 30-60 DEG C for 20-50 minutes to obtain an oil phase; heating water to 40-60 DEG C, then adding gelatin and the TiO2-polypyrrole composite precursor material, and stirring for 20-50 minutes to obtain a water phase; adding the water phase into the oil phase, and stirring for 30-60 minutes to obtain a mixed solution; and cooling the obtained mixed solution to 2-10 DEG C, then adding ethanol, stirring for 15-40 minutes, then sequentially washing with acetone and isopropanol, and freeze-drying the obtained solid matter, thereby obtaining the product. The polypyrrole and the gelatin contain functional groups such as amino groups, carboxyl groups and the like, and can form a complex with lead ions, so that the adsorption activity of the nano TiO2 material can be effectively improved, and the lead removal performance of the material is improved. The composite material disclosed by the invention shows very good removal rate and adsorption efficiency on lead ions in water.

The utility model discloses a lobster waterless keep-alive transportation and packaging device for retailers, which relates to the technical field of fresh food transportation and packaging and comprises a packaging box and a refrigeration component. According to the lobster waterless keep-alive transportation packaging device for the retailer, a refrigeration assembly is additionally arranged, a fan is arranged at the cold end part, facing the interior of a packaging box, of a semiconductor refrigeration sheet, and heat dissipation fins are arranged at the hot end part, facing the exterior of the packaging box, of the semiconductor refrigeration sheet; when direct current passes through a couple pair composed of two different semiconductor materials (N type and P type) by utilizing the Peltier effect, heat transfer can be generated at a joint, a cold end and a hot end are formed, the hot end of the semiconductor chilling plate faces outwards and is in direct contact with air through the heat dissipation fins for heat exchange, and the heat dissipation efficiency of the semiconductor chilling plate is improved. Therefore, the cold end of the semiconductor chilling plate obtains a certain refrigerating capacity, the requirement for the refrigerating capacity in the lobster transportation process is met, metabolism of the lobster is reduced, oxygen consumption is reduced, and the survival rate is increased.

The invention relates to the technical field of agricultural science, and discloses a polygala tenuifolia seed pelleting formula which comprises polygala tenuifolia seeds, a nanocapsule material, an organic polymer adhesive, a filling agent and a multifunctional nutrition additive. The nanocapsule material comprises polylactic acid, polycaprolactone or polyethylene glycol; the organic polymer adhesive comprises polyvinyl alcohol or carboxymethyl cellulose; the filling agent comprises talcum powder, bentonite and diatomite; the multifunctional nutrition additive comprises trace elements, a stress resistance enhancer and an antibacterial agent; the trace elements comprise iron, zinc and copper, the stress resistance enhancer comprises gibberellin and salicylic acid, and the antibacterial agent comprises carbendazim and thiophanate-methyl. Microelements and a plant growth regulator are wrapped by a biodegradable nanocapsule material (such as polylactic acid, polycaprolactone or polyethylene glycol), so that nutritional ingredients can be gradually released to adapt to moisture change in soil.

The utility model discloses a special white tea tree species cultivation transplanting device, which is characterized in that the bottom of a main bracket is provided with a supporting wheel and a steering wheel, the upper part of the main bracket is provided with a sapling bracket, the front side of the sapling bracket is provided with a water tank, the water tank is connected with a water pump, and the water pump is connected with a water conveying pipe; according to the transplanting device for white tea tree seed cultivation, the conditions that in the prior art, in the actual use process, tree seeds need to be protected in the transplanting and carrying process, the tree seeds which are not planted for a long time are likely to be dehydrated and die due to the too high temperature, and the subsequent survival rate is low are improved, and a mist-shaped water spraying mechanism used for adding water to the tree seeds and preserving moisture is arranged; the moisture degree of the saplings in the transporting and transplanting process can be effectively guaranteed, dehydration is avoided, and the transplanting survival rate is increased.

The utility model discloses an assembled building block which comprises a building block main body, a hollow frame is fixedly connected in the building block main body, a plurality of water outlet pipes are fixedly communicated with the inner side of the hollow frame, a plurality of connecting holes are formed in the outer side of the hollow frame, a water storage tank is formed in the top of the building block main body, and the water storage tank is communicated with the hollow frame. A water storage tank is arranged in the building block main body, a plurality of water inlet holes are formed in the inner wall of the water storage tank, a filter screen is fixedly connected to the interior of the water storage tank, a first mounting groove is formed in one side of the building block main body, and first connecting assemblies are arranged on the two sides of the inner wall of the first mounting groove. Through cooperative use of the hollow frame, the water outlet pipe, the connecting hole, the water storage tank, the water inlet hole and the filter screen, plants can be irrigated, water can be conveniently supplemented to the plants, insufficient water of the plants is avoided, water consumption is reduced, the number of times of watering the plants is reduced, the roots of the plants can be rapidly irrigated, and the irrigation efficiency of the plants is improved. And normal growth of plants is ensured.

The invention discloses a pathological tissue preservation box for early-stage tumor diagnosis, and relates to the technical field of pathological preservation, the pathological tissue preservation box comprises a simulated pathological tissue, a tissue shape adaptation and stabilization assembly and a sealing performance detection and early warning assembly, the sealing performance detection and early warning assembly is located on the periphery of the tissue shape adaptation and stabilization assembly, and the sealing performance detection and early warning assembly is located on the periphery of the tissue shape adaptation and stabilization assembly; the tissue shape matching and stabilizing assembly comprises a lower storage body for storage and an upper sliding ring body, and the sealing performance detection and early warning assembly comprises a first electric contact strip and a second electric contact strip; through the arrangement of the annular cavity, in various preservation modes (preservation liquid preservation and ice block preservation), for example, under the preservation liquid preservation mode, the preservation liquid poured into the annular cavity can provide assistance for the lower storage body and the sealing ring, the stability is improved, and under the condition of ice block preservation, the annular cavity does not need to be added at all; and the lower storage body can be used as a temperature isolation cavity, the melting speed of ice in the lower storage body can be slowed down, and the storage time is prolonged.

The present application relates to a kind of electrolytic multi-dimensional feed for relieving calf weaning stress and its application, by mass percentage, it includes the following components: vitamin 0.5%~5%, amino acid 0.05~1.5%, immunity promoter 0.1~2.5%, electrolyte 4~40%, additive 0.1~2.5% and carbohydrate 50~90%. Compared with prior art, the electrolytic multi-dimensional feed described in the present application, with milk source carbohydrate as main component, and add vitamin, electrolyte, glutamine and astragalus polysaccharide;Among them, lactose as milk source carbohydrate can simulate the carbohydrate in milk, help calf from liquid feeding to solid feed feeding, reduce the indigestion caused by the change of feed form;The synergy of each component can maintain the balance of body fluid, prevent electrolyte disorder caused by diarrhea or dehydration during weaning period;Promote the growth and repair of calf intestinal villi, maintain intestinal barrier function;Increase the immunity and antioxidant capacity of calf during weaning period.

The invention discloses a low-cost, long-life, high-performance and low-self-discharge aqueous alkaline secondary battery diaphragm as well as a preparation process and application thereof. The diaphragm is a three-dimensional porous membrane formed by filling an alkali-resistant hydrophilic three-dimensional porous membrane base material with hydrophilic rare earth oxide slurry, or the diaphragm comprises an alkali-resistant hydrophilic three-dimensional porous membrane base material, and a three-dimensional porous membrane formed by hydrogen-oxygen composite catalyst slurry and hydrophilic rare earth oxide slurry which are sequentially filled on the membrane base material; or the diaphragm comprises an alkali-resistant hydrophilic three-dimensional porous membrane base material and a three-dimensional porous membrane formed by a slurry compound of hydrophilic rare earth oxide and a hydrogen-oxygen composite catalyst, wherein the slurry compound is uniformly mixed and then filled on the membrane base material. The preparation method can effectively overcome the defects of the existing aqueous alkaline secondary poor-liquid-state and rich-liquid-state battery diaphragms, and the prepared three-dimensional porous diaphragm for the aqueous alkaline secondary battery can effectively improve the recycling performance and electrochemical performance of the battery when being used for preparing the aqueous alkaline secondary battery.

The utility model relates to a super-retarding concrete stirring device which comprises a stirring barrel, a motor, a controller and a base, a detachable rubber top cover is arranged at a feeding opening in the top of the stirring barrel, a stirring device with large and small inner diameter spiral blades arranged in a staggered mode is arranged in the barrel, a motor drives the stirring blades to rotate at a low speed through a transmission shaft, and a controller can adjust the stirring speed. According to the device, by optimizing the blade combination mode and the sealing structure design, efficient and uniform stirring is achieved under the low-speed condition, bleeding and water loss of super-retarding concrete are effectively inhibited, the concrete performance is guaranteed, and the device is compact, efficient and convenient to apply and popularize. According to the utility model, the transportation and construction time of the super-retarded concrete can be prolonged, the technical advantages of the super-retarded concrete can be better exerted, and the application prospect is good.