203results about How to "Maintain humidity" patented technology

The invention discloses a buccal nicotine product and a preparation method thereof, the buccal nicotine product comprises a nicotine composition and a permeation bag, the nicotine composition is packaged in the permeation bag, the permeation bag comprises a bag body and a moisturizing medium, and the moisturizing medium is used for keeping the humidity of the nicotine composition in the bag body. In the buccal nicotine product of the present application, the nicotine composition has a reduced risk of caking.

The invention relates to the technical field of agricultural machinery, and specifically to a wheat double-axis rotary tillage sowing and fertilizing integrated machine, comprising a storage box, wherein the storage box comprises a box body, and a partition is fixedly installed on the inner side wall of the box body, the partition divides the internal space of the box body into a fertilizer bin and a seed bin, and a bracket is fixedly installed on the bottom end of the box body; through the reciprocating trajectory movement of the bottom plate inside the U-shaped frame, in conjunction with a highly staggered feeding pipe, the fertilizer inside the fertilizer bin and the seed bin and the wheat seeds are fertilized and sown in a deep and shallow manner, thereby improving the fertilizer and reducing the nutrient loss caused by water evaporation or leaching, the deeply buried fertilizer can better maintain moisture in a deeper soil layer, reduce nutrient loss, and wheat seeds at different depths will have different growth rates in the early growth stage, which is helpful to form a more uniform crop group, reduce resource competition caused by excessive density, and thus improve soil utilization and crop yield.

The invention provides soybean saline-alkaline tolerance simulation experiment equipment and method.The soybean saline-alkaline tolerance simulation experiment equipment comprises a sowing test bed, a closed box is connected to the top face of the sowing test bed, a sowing soil layer is arranged on the inner side of the closed box, a driving gear ring is arranged on the outer side of the sowing soil layer, and the driving gear ring is rotationally connected to the inner side of the top face of the sowing test bed in a limited mode; a saline-alkali water spraying tank is arranged on one side of the driving gear ring, the driving gear ring is in transmission connection with the saline-alkali water spraying tank, a sunlight simulation lamp set is arranged over the sowing soil layer and is in transmission connection with the driving gear ring, and a soil water conveying tank is arranged on the side, adjacent to the side connected with the saline-alkali water spraying tank, of the driving gear ring; according to the device, the saline-alkali water spraying tank automatically and intermittently sprays atomized saline-alkali water to the upper part of the sowing soil layer, meanwhile, the sowing soil layer can automatically feed saline-alkali water into the interior and the upper part of the sowing soil layer in the day or at night, and the precision of a soybean saline-alkali tolerant sowing experiment result is improved.

The invention relates to the field of photovoltaic power generation, in particular to a photovoltaic power generation power distribution cabinet which comprises a cabinet body, the cabinet body is provided with a containing space used for installing electric appliance elements, and two opposite side faces of the cabinet body are provided with a first fan, a first filter plate, a second fan and a second filter plate. The rotation directions of the first fan and the second fan are opposite; a humidity detector is installed in the containing space, the humidity detector is electrically connected with the first fan and the second fan, and when the humidity in the containing space reaches a preset value, the humidity detector controls the first fan and the second fan to rotate reversely. By means of the mode, water vapor in air can be filtered through the first filter plate, meanwhile, water vapor in the second filter plate is blow-dried, and it is ensured that the humidity in the cabinet body is maintained within a reasonable range through reciprocating circulation.

The invention relates to the technical field of agricultural fertilizers, in particular to a functional sustained and controlled release fertilizer for regulating and controlling productivity of salinized soil and a preparation method thereof. The slow / controlled-release fertilizer is prepared by compounding a fertilizer matrix, a soil conditioner, a water-retaining agent and humic acid, wherein the fertilizer base body comprises a core material, and the surface of the core material is sequentially coated with a chelating layer and a wall material layer from inside to outside; the core material comprises the following components in parts by weight: ammonium sulfate, monoammonium phosphate, potassium sulfate and trace elements; the chelating layer is sodium ethylene diamine tetracetate; and the wall material layer is sodium alginate. The sodium alginate coating material adopted by the fertilizer can control the fertilizer to be slowly released in soil, and after the fertilizer is completely released in the soil, the adopted coated fertilizer is non-toxic and harmless in the soil and is easy to degrade. The chelating layer is arranged between the core material and the wall material and can be chelated to form a connecting structure of the inner layer and the outer layer, so that the strength of the fertilizer matrix particles is improved, the particles have stability, and the slow release effect is favorably exerted.

The invention provides a special fertilizer for highland barley in Tibet high-altitude areas, which specifically comprises a matrix, a base fertilizer, an organic fertilizer, a trace element fertilizer, a modifier and a nutritional agent in a mass ratio of 100: 50: 100: 1: 15: 3, the substrate comprises loam, river sand and bentonite; the base fertilizer comprises nitrogenous fertilizer, phosphatic fertilizer and potash fertilizer; the organic fertilizer comprises bran, decomposed straw, decomposed excrement, plant ash and aquatic animal powder; the modifier comprises wormcast, silkworm excrement, perlite and vermiculite; the nutritional agent comprises compound vitamins, glucose, honey and compound amino acids; the raw materials used in the method are green, safe and pollution-free, the soil structure is improved while nutrient substances needed by highland barley growth are provided, the bran, the straw, the decomposed excrement and other agricultural wastes are used, cost is saved, efficiency is improved, and the utilization rate of resources is increased.

The invention discloses a tunnel anti-crack maintenance system design method, an anti-crack maintenance system and a construction method, and the method comprises the following steps: design preparation: obtaining tunnel parameters and indexes, including tunnel length, construction progress, maintenance time requirement, pedestrian crossing spacing distance, ventilation facility installation condition, water supply facility installation condition, and temperature and humidity inside and outside a tunnel hole; determining the position of a sub-maintenance system; designing a ventilation device of the maintenance system according to the installation condition of ventilation facilities in the tunnel hole, including designing a ventilation pipeline line; a circulation device of the maintenance system is designed according to the installation condition of water supply facilities in the tunnel hole, arrangement design of a water circulation pipeline and a reclaimed water recovery device is included, and an arrangement diagram is drawn; calculating a turnover period and a turnover distance; a humidifying device is designed, the humidifying device comprises a humidifying material sheet made of a wet film, water is supplied to the humidifying device through a circulating device, and a ventilation device is used for humidifying external air through the humidifying device; and calculating the optimal wind speed and circulating water temperature.

The utility model discloses a cold-proof moisturizing cultivation device for nursery stock transplanting, which belongs to the technical field of nursery stock cultivation auxiliary equipment and comprises a nursery stock box and a water tank for moisturizing the inside of the nursery stock box, the side wall of the water tank is welded with the side wall of the nursery stock box, and laminates convenient for space division are welded inside the nursery stock box. The bottom of the layer plate is slidably connected with a seedling raising box used for seedling raising, a hollow spraying plate slidably connected with the bottom of the layer plate is arranged above the seedling raising box, one side of the spraying plate is connected with one end of a pipeline penetrating through the side wall of the seedling raising box, the other end of the pipeline is communicated with the side wall of the water tank, and a water pump used for taking water is fixed to the inner wall of the water tank. Heat insulation cotton for cold protection is embedded in the side wall of the seedling raising box, and a box door which is hinged to a hinge and convenient to open and close is arranged on the side, away from the water tank, of the seedling raising box. The temperature and humidity in the seedling raising box can be reasonably controlled, the caliber of the ventilation groove can be flexibly adjusted, and the applicability of the device is improved.

The invention relates to the technical field of leather processing, in particular to a leather forming processing device for automotive trim. The device comprises a pretreatment device and a mold device, the rear side of the mold device is connected and provided with a trimming device, the front side of the mold device is connected and provided with a heating device, and the mold device is internally provided and connected with a cooling device. The pretreatment device is used for improving the quality and the processing efficiency of leather, improving the consistency of products and effectively shortening the production cycle, the mold device is used for forming the leather, ensuring the size accuracy and effectively improving the consistency of the products, and the heating device is used for softening the leather, facilitating subsequent processing, improving the process effect and effectively improving the quality of the products. The cooling device is used for rapidly cooling leather, stabilizing the size and effectively improving the product precision, the trimming device is used for finely adjusting the leather and improving the finished product quality, and the safety monitoring device is used for guaranteeing the safety of the machining process and effectively improving the operation safety.

The invention provides an underwater non-dispersible grouting material as well as a preparation method and application thereof, and relates to the technical field of constructional engineering. Specifically, the red mud concrete comprises the following components in parts by mass: 150-250 parts of red mud, 10-80 parts of Portland cement, 1-8 parts of an alkali activator, 3.5-10 parts of an anti-dispersing agent, 0.5-8 parts of a water reducing agent and a certain amount of water, wherein the alkali activator comprises biomass ash, tungstate, silicate, silica fume, arginine and inorganic alkali, and the anti-dispersing agent preferably comprises sodium alginate modified polyvinyl alcohol, a cellulose compound, stone powder and maltodextrin. The grouting material is obtained by recycling the red mud as a basic raw material, and has the advantages of excellent flowing state, excellent setting time, excellent compressive strength, better underwater dispersion resistance, better construction fluidity and better durability; the preparation process is simple, the performance is excellent, the environment-friendly effect is realized, and the application prospect is good.

The invention provides a fresh tilapia mossambica block preservative and a preparation method thereof, the fresh tilapia mossambica block preservative comprises the following raw materials: natural plant extract, modified biological polysaccharide, organic acid, natural antibacterial peptide, a humectant, deionized water and the like, and propolis extract and astaxanthin can be selected to enhance the effect; wherein the natural plant extract is corncob, zingiber mioga and tartary buckwheat bran extract; the modified biological polysaccharide is obtained by modifying chitosan quaternary ammonium salt, laminarin, cell wall polysaccharide and carboxylic acid. The fresh-keeping agent is prepared through ultrasonic mixing, multilayer electrostatic deposition and other technologies, through the synergistic effect of all the raw materials, a multilayer coating structure is formed through electrostatic deposition, microbial growth can be inhibited, gas exchange can be controlled, water loss can be reduced, the fresh-keeping period of tilapia mossambica blocks can be effectively prolonged, and the quality of the tilapia mossambica blocks can be kept.

The invention discloses a cesium-lead-bromine / silicon dioxide quantum dot and a preparation method thereof, and belongs to the technical field of quantum dot luminescent materials.The preparation method comprises the steps that at the temperature of 75-95 DEG C, cesium bromide, lead bromide and water are mixed and then magnetically stirred, and a cesium-lead-bromine precursor solution is obtained; at the temperature of 75-95 DEG C, mixing aminopropyltriethoxysilane with the cesium-lead-bromine precursor solution, and then carrying out magnetic stirring to obtain a cesium-lead-bromine / silicon dioxide solution; and drying the cesium lead bromide / silicon dioxide solution at the temperature of 75-95 DEG C to obtain the cesium lead bromide / silicon dioxide quantum dots. The cesium-lead-bromine / silicon dioxide quantum dot has the characteristics of structural stability, acid resistance, 800 DEG C high temperature resistance, water resistance and the like, is long in luminescence life, high in quantum yield and non-toxic, and meets the preparation requirements of flexible wearable devices, light-emitting gratings and other optical devices.

The utility model relates to the technical field of cultivation trays, in particular to a tray for wood section cultivation, which can timely remove poorly developed wood sections, ensure air circulation, reduce occupied space and facilitate unified management. Comprising a tray body, a cultivation assembly, supporting assemblies and a moisturizing assembly, a placement groove is formed in the top of the tray body, the cultivation assembly is located in the placement groove and comprises a plurality of placement bases and a plurality of cultivation cylinders, the supporting assemblies are installed at the four corners of the bottom of the tray body, a cavity is formed in the tray body, and ventilation holes communicated with the cavity are formed in the placement groove; the moisturizing assembly is installed in the cavity.

The invention belongs to the technical field of ecological restoration and environmental protection, and provides a plant system-based three-dimensional desertification control method, which comprises the following steps of S1, collecting geographical, climate, soil and vegetation data of a desertification area, and evaluating and analyzing the desertification area by using a remote sensing technology; s2, establishing a three-dimensional planting mode of combining arbor, shrub and grass, and forming a multi-layer vegetation structure; s3, soil improvement is performed on the desertification area, and an ecological monitoring system is constructed; s4, constructing a reservoir and a water cellar facility, and performing water resource management; s5, performing forbidding protection on the desertification area; s6, dynamically monitoring the desertification area, and evaluating the desertification control effect according to the monitoring result; the overall survival rate of vegetation is increased through a vegetation three-dimensional planting mode, the ecological diversity is increased, the stability and resistance of an ecological system are improved, and effective prevention and treatment of desertification and comprehensive recovery of the ecological system are achieved.

The invention discloses a flexible and stable three-layer porous structure hemostatic dressing and a preparation method thereof, and belongs to the technical field of biological medicine. The preparation method of the hemostatic dressing comprises the following steps: constructing a stable foaming system by using protein and polysaccharide, constructing a dual three-dimensional network by combining multi-source polysaccharide and tannic acid, and designing a large-area dressing structure by overlapping the dual three-dimensional network with cotton gauze; carrying out Ca < 2 + > cross-linking impregnation and freeze drying in a weak acid environment to prepare an integrally formed three-layer dual-network multi-source porous structure dressing; the dressing has three layers of different structures, has an extremely fast hemostatic effect, reduces the amount of bleeding, can effectively maintain the humidity of a wound, avoids invasion and infection of bacteria, and can quickly and effectively sterilize; good shape maintaining and recovering capability is realized; meanwhile, the advantages of the porous structure and the cotton gauze are integrated, the structure is enriched, the structural stability of the large-area dressing is improved, the dressing can be stored for a long time in a normal-temperature environment, and the physical basic performance of the dressing meets the requirements of medical dressings.

The invention belongs to the technical field of preparation of fog water collecting mulching films, and particularly relates to a fog water collecting mulching film and a preparation method and application thereof.The fog water collecting mulching film is formed by spraying a super-hydrophobic layer on the surface of a flexible substrate, the super-hydrophobic layer is composed of the same solid particles or different solid particles with three different particle sizes, and after modification is conducted through a silane coupling agent, the super-hydrophobic layer is prepared into the fog water collecting mulching film. The surface contact angle of the super-hydrophobic substrate prepared by doping low-surface-energy liquid and curing can reach 165 degrees or above, a conical structure is fixed on the surface of the super-hydrophobic flexible substrate by adopting a mechanical assembly method, and the fog collection efficiency can be regulated and controlled. The conical structure of the bionic cactus is beneficial to capturing fog water and transporting water drops, the super-hydrophobic substrate is beneficial to rapid falling of the water drops, and efficient fog water collection is achieved through cooperation of the bionic cactus and the super-hydrophobic substrate. The mulching film can be recycled for multiple times and can replace a conventional polyethylene mulching film, and environmental pollution is reduced.

The invention provides a microalgae culture medium and a microalgae preservation method, relates to the technical field of algae culture, and particularly provides a brand-new microalgae preservation liquid culture medium and a microalgae preservation solid culture medium, and develops a brand-new microalgae biphasic preservation method by using the microalgae preservation liquid culture medium and the microalgae preservation solid culture medium. The preservation method comprises the following steps: inoculating microalgae species in an exponential growth phase into a microalgae preservation solid culture medium, culturing for 5-10 days, and adding a microalgae preservation liquid culture medium into the microalgae preservation solid culture medium inoculated with the microalgae species to form a semi-solid culture medium, the semi-solid culture medium is subjected to biphasic preservation under natural light at 2-10 DEG C. The preservation method can effectively prolong the preservation time of microalgae species, ensures the preservation effect, and has wide application prospects.

The invention relates to the technical field of ecological restoration and water resource management, in particular to a novel brick material based on corn straw as well as a preparation method and a use method of the novel brick material, and provides the novel brick material based on the corn straw in order to solve the problems of high water loss speed and slow ecological restoration of peat land. Comprising the following raw material components: corn straw powder, corn straw charcoal, calcium bentonite and corn stigma fiber, the corn straw powder, the charcoal, the calcium bentonite and the corn stigma fiber are mixed according to a specific proportion, and the mixture is subjected to compression molding to prepare the brick with good moisture retention performance and ecological compatibility. The method is specially used for water retention and vegetation recovery of the peat land.

The utility model discloses a garden engineering slope stepped greening structure which comprises a soil filling layer, a building layer arranged at the upper end of the soil filling layer, a plurality of concrete blocks built on the surface of the top end of the building layer, and planting grooves formed in the top ends of the concrete blocks, and further comprises a drainage structure arranged in the building layer, rainwater can be rapidly collected through the water accumulation channel, impurities are filtered out through the first filtering well lid, when accumulated water reaches a certain degree, water can be evenly distributed into all the coagulation blocks through the water accumulation groove, the water guide pipe and the flow dividing pipe, needed water is provided for plants, reasonable utilization of the rainwater is achieved, and meanwhile, the rainwater can be recycled. When the structure is used, redundant water is drained into the drainage channel through the drainage pipe and finally drained out of the structure, damage to the structure caused by accumulated water is avoided, the utilization efficiency of water resources is improved through the design, structural damage caused by accumulated water is effectively prevented, and the stability and durability of the structure are enhanced.

The invention discloses a full-biodegradable mulching film and a preparation method thereof. The full-biodegradable mulching film is prepared from the following raw materials in parts by weight: 15 parts of polylactic acid, 70 parts of poly (adipic acid) / butylene terephthalate, 10 parts of modified starch, 2 parts of talcum powder, 2 parts of a chain extender, 0.2 part of an antioxidant, 0.2 part of an anti-aging agent, 0.2 part of an ultraviolet light absorber and 0.4 part of a light stabilizer. The environment-friendly plastic film has the advantage of being environmentally friendly, and the problems that in the process that an existing plastic film is used as a mulching film, part of the plastic film is likely to be left in planting soil, the film is difficult to degrade by the soil, and the soil environment is polluted are solved.

The solar water purification evaporator comprises a dome-shaped solar evaporator, a sewage area (4), a water purification area (5), a condensation water collection area (1), a moisture absorption water collection area (2) and a photo-thermal evaporation area (3) are arranged in the dome-shaped solar evaporator, and a water conveying pump and a pump body power supply system are arranged outside the dome-shaped solar evaporator; the photo-thermal evaporation area comprises a blue-green algae biomass charcoal photo-thermal evaporation ball group arranged in the sewage area; the moisture absorption and water collection area comprises a porous supporting plate (21) and a patterned moisture absorption system (22), wherein the porous supporting plate (21) and the patterned moisture absorption system (22) are arranged on a water separation plate (32) in a sewage area and a clean water area in the dome-type solar evaporator, and the patterned moisture absorption system adopts polyacrylic acid (PAA) hydrogel (221) compounded by embedded lithium chloride (LiCl) and calcium chloride (CaCl2) and polytetrafluoroethylene (PTFE) gel (222) in an alternating mode. The condensation water collecting area comprises a condensation water collecting system arranged in the dome-type solar evaporator and mainly comprises a radiation condensation coating (12), and a condensation coating area is a radiation condensation coating composed of polydimethylsiloxane (PDMS) and silicon dioxide (SiO2). Compared with a traditional evaporator, the novel evaporator integrating evaporation, condensation and moisture absorption is provided, the water purification rate of a common evaporator is increased, and the evaporator can be used for agricultural irrigation and other aspects.

The utility model discloses an intelligent flower planting device, which relates to the technical field of intelligent planting and comprises a support, an automatic irrigation mechanism is arranged on the inner side of the support, the automatic irrigation mechanism comprises a planting box clamped on the inner side of the support, a sensor is arranged at the bottom of an inner cavity of the planting box, a cover plate is arranged on the top of the inner side of the support, and the sensor is arranged on the cover plate. A controller is arranged at the top of the cover plate, and an LED lamp is arranged at the bottom of the cover plate. According to the intelligent flower planting device, due to the arrangement of the automatic irrigation mechanism, soil humidity can be monitored, when the sensor detects that the soil humidity is lower than a set value, the automatic irrigation mechanism can be started to supplement water, it is ensured that the soil humidity is kept within a proper range, and the humidity condition needed by plant growth is provided; the workload and the frequency of manual management are reduced, the irrigation requirements of the plants can be accurately met on time, and frequent manual participation is not needed.

The invention relates to the technical field of infant body lotion, and discloses infant body lotion containing liquorice extract component, which comprises the following components: A phase, B phase I, F phase I, F phase II, F phase III, F phase IV, F phase V, C phase I, E phase, D phase, C phase II, F phase VI, C phase III and B phase II. The preparation method of the infant body-refreshing lotion containing the licorice extract component comprises the following steps: preparing the infant body-refreshing lotion containing the licorice extract component. Compared with the prior art, the baby body-refreshing lotion has the advantages that the baby body-refreshing lotion is high in component safety, good in moisture retention and free of greasy feeling, has the functions of adjusting and relieving the skin of babies, can well keep the wettability of the skin so as to enable the skin to have a good protective barrier, and can be used for preventing and treating the babies. The external irritation to the skin is reduced.

The invention particularly discloses a firming and anti-wrinkle gel composition with a barrier repairing effect and a preparation method of the firming and anti-wrinkle gel composition. The gel composition is formed by soaking a matrix material in essence, the matrix material is obtained by cross-linking carboxymethyl chitosan and rosmarinic acid to form a water-absorbing gel matrix, mixing the water-absorbing gel matrix with water-soluble modified polysaccharide and then carrying out electrostatic spinning; the essence comprises the following components: animal placenta protein, bioactive peptide, hydrogenated castor oil, vitamin E, glycosylglycerol and the like. The gel composition has high water absorption and air permeability, and the absorption efficiency of essence can be remarkably improved; meanwhile, the stability of bioactive components in the storage process and the slow-release effect of the bioactive components in the use process can be improved, efficient permeation is achieved, then the barrier repairing effect is achieved, and skin aging is delayed.

The utility model discloses an electric lunch box, aiming at solving the technical problem of steam dissipation or condensation backflow of the existing electric lunch box. The food packaging box comprises a box body, wherein an inner container is arranged in the box body; the heating base is arranged below the box body, and a heating body is arranged in the heating base; the upper cover is arranged above the box body, a gas outlet pipe is vertically arranged on the upper cover, a gas collector is connected to the gas outlet pipe, the gas collector comprises a gas collecting shell and an exhaust pipe, the gas collecting shell is in a horizontal pipe shape, a gas collecting channel is formed in the gas collecting shell, and a gas collecting nozzle connected with the gas outlet pipe is arranged at the bottom of the gas collecting shell; and the exhaust pipe is connected with the tail end of the gas collection shell and is communicated with the gas collection channel. The steam treatment device has the beneficial effects that steam of the electric lunch box is conveniently treated in a centralized manner and condensed water is prevented from flowing back.

The utility model relates to an adjustable agricultural planting greenhouse which comprises a greenhouse body, a main motor is arranged on one side of the upper portion of the greenhouse body, the output end of the main motor is connected with a first transmission shaft, the outer portion of the first transmission shaft is connected with an upper rubber baffle, one end of the upper rubber baffle is fixedly connected with a positioning block, and one side of the positioning block is provided with a connecting rope. The other end of the connecting rope is connected with a second transmission shaft, and the other end of the second transmission shaft is connected with the output end of the auxiliary motor. The upper rubber baffle and the side rubber baffles are arranged on the upper portion and the two sides of the greenhouse body respectively, the upper rubber baffle and the side rubber baffles can move to be rolled or unfolded from the greenhouse body, crops can fully receive light, normal growth of the crops is kept, meanwhile, the humidifiers are arranged on the two sides of the lower portion of the greenhouse body, the humidifiers can humidify the interior of the greenhouse body, and the humidity of the interior of the greenhouse body is improved. The humidity in the greenhouse body is kept, and the situation that the humidity in the greenhouse body is reduced and crop growth is affected when the heating box heats the interior of the greenhouse body is prevented.

A grafting auxiliary device for improving and cultivating wild soapberry, relating to the field of wild soapberry improvement and cultivation technology, includes a fixed plate, a rotating seat rotatably mounted inside the fixed plate, an angle adjustment seat fixedly mounted at the top of the rotating seat, a connecting block mounted on the upper end of the angle adjustment seat via fastening bolts, a grafting plate fixedly mounted at the top of the connecting block, a positioning seat fixedly mounted at the upper end of the grafting plate, two clamping pieces symmetrically mounted above the positioning seat, and the bottom of the clamping pieces slidingly limiting the front and rear ends of the positioning seat with the limiting grooves at the front and rear ends, a transparent protective cover mounted above the grafting plate, and the bottom of the transparent protective cover engaging with the grafting plate, with ventilation windows at both the front and rear ends of the transparent protective cover, and an installation mechanism at the bottom of the fixed plate. This solution solves the problem of low survival rate caused by misalignment or water loss after grafting wild soapberry.

The invention discloses a series green and environment-friendly mortar formula suitable for northwest climate, and particularly relates to the technical field of mortar, the series green and environment-friendly mortar formula comprises the following components: 100-250 parts of cement, 20-30 parts of attapulgite powder, 20-30 parts of boric sludge, 150-250 parts of natural sand, 10-20 parts of reinforcement powder, 5-10 parts of polysiloxane elastomer, and 2-4 parts of itaconic acid. The prepared mortar is better in breaking strength, corrosion resistance and water resistance, meanwhile, the mortar can be toughened and enhanced, the shrinkage resistance of the mortar is improved, early-stage shrinkage cracking is reduced, then the prepared mortar can effectively slow down the evaporation speed of water, the wettability of the mortar is kept, and the water resistance of the mortar is improved. The mortar prepared by the invention has better weather resistance, can resist strong sunlight, high temperature, low temperature and other extreme weather conditions in northwest regions, keeps the long-term stability and durability of the mortar, and can prevent the mortar from being frozen and damaged under the severe cold weather condition in winter in northwest regions.

The invention discloses temperature change resin clay, and relates to the technical field of resin clay, and the temperature change resin clay comprises the following raw materials by weight: 50%-65% of an ethylene vinyl acetate copolymer (EVA), 25%-35% of starch, 4%-6% of glycerol, 4%-6% of a color change pigment, 0.3%-0.7% of sodium benzoate, and 2%-5% of liquid paraffin. The EVA has good flexibility, weather resistance and plasticity and is a main base material of the resin clay, the color-changing pigment can change colors according to temperature changes or light changes, the fidelity and interactivity of the product are improved, the color-changing pigment is added, and the color-changing effect is good. The resin clay product can present color changes similar to natural animals and plants at different environment temperatures, so that the simulation degree is improved, and the ornamental value and interestingness of the product are enhanced.

The utility model belongs to the technical field of earthworm breeding, discloses an earthworm breeding device, and aims to solve the problems that an existing earthworm breeding bed adopts a top water spraying mode to humidify soil, water needs to permeate into lower-layer soil, the permeation speed is low due to less water spraying, water is accumulated on the upper side of the soil due to more water spraying, and growth and breeding of earthworms are not facilitated. According to the technical scheme, the device comprises a box body, an opening is formed in the top face of the box body, a cover plate is installed on the top face of the box body in a hinged mode, supporting legs are fixedly installed at the four corners of the bottom face of the box body respectively, a plurality of drainage pipes are arranged on the bottom face of the cover plate, a plurality of sprayers are fixedly installed on the bottom faces of the peripheries of the drainage pipes, and a water inlet device for supplying water to the drainage pipes is arranged on the top face of the box body. A plurality of transverse cylinders are arranged in the box body, through holes which are evenly distributed are formed in the peripheries of the cylinders, soil for culturing earthworms can be driven to rotate, then water can permeate into the soil conveniently, the soil is humidified, and growth of the earthworms is facilitated.