213results about How to "Not easy to evaporate" patented technology

The invention relates to a film coating agent containing steroid hormone, which comprises 1 part of steroid hormone medicament, 1-50 parts of film forming materials, 0.5-10 parts of plasticizer, 0.5-10 parts of biological adhesive materials and 1-50 volumes of transdermal enhancer. The preparation of the present invention is capable of raising the efficiency of conveying steroid hormone medicament into the body by permeating skin and improving the irritation to the skin, and has good survivability. The invention also relates to a preparation method of the film coating agent, and the preparation method has the advantages of simple process, convenient operation and less energy consumption.

The invention relates to a non-aqueous coolant for an engine, which is characterized by comprising the following components in percent by weight: 10-80 percent of ethylene glycol, 10-80 percent of propylene glycol, 5-20 percent of polyol, 0.1-0.8 percent of phosphate-molybdate, 0.2-0.9 percent of silicate ester, 0.1-1 percent of 4-methyl 1H-benzotriazole, 0.2-0.8 percent of citric acid, 0.2-1 percent of sebacic acid, 0.1-1 percent of octanoic acid, 0.4-1.2 percent of citrate and 0.01-0.2 percent of cosolvent. The non-aqueous coolant has freezing point of -30--50 DEG C and boiling point of 130-150 DEG C, and ensures that the cold start of the engine is realized in cold weather; meanwhile, the working temperature of the engine is improved to 95-150 DEG C from the original 85-95 DEG C. The non-aqueous coolant belongs to a non-aqueous system, avoids electrochemical corrosion, and is a buffer system with pH of 7.5-9.5; and the added relevant auxiliaries have active corrosion resistance on aluminum and aluminum alloy and copper.

The invention relates to a curing agent of concrete, comprising styrene-acrylic emulsion, acrylamide solution, sodium silicate solution and organosilane solution; the styrene-acrylic emulsion is poured into the acrylamide solution; the sodium silicate solution and the organosilane solution are added and uniformly stirred with low speed to form the curing agent of the concrete; water soluble material with good film forming ability is used without solvent; neither volatile substances are generated nor secondary environmental pollution are caused; the invention comprises organosilane, rapidly penetrates into capillary pores wall inside the concrete, and then chemically reacts with part of the water and air in the concrete to generate silicon dioxide; the capillary pore channels are blocked, and a solid waterproof layer is formed to prevent evaporation of internal moisture and avoid invasion of external harmful substance, which helps to improve the durability of the concrete, keeps the concrete in a maintenance state for a long period, and improves durability of the concrete.

The invention relates to a handwork-dough-modeling and plasticine dual-purpose material. The handwork-dough-modeling and plasticine dual-purpose material comprises, by weight, 8 parts of wheat flour, 5 parts of glutinous rice flour, 1 part of malt sugar, 0.5 part of refined salt, 0.5 part of condensed milk, 2 parts of fresh milk, 0.8 part of honey, 2 parts of diatom soil, 2 parts of modified starch, 1 part of waxiness corn starch, 1.5 parts of kaolin, 0.5 part of bone glue, 1 part of calcium carbonate, 0.8 part of glycerin, 0.2 part of sodium diacetate, 0.5 part of potassium hydrogen tartrate, 0.5 part of food colorant, 1.5 parts of aloe gel, 0.1 part of olive oil, 0.2 part of sun screen and 5 parts of water. When children make handwork artware, the handwork-dough-modeling and plasticine dual-purpose material can be used as a dough modeling material so that dough modeling handwork artware can be made, and can also be used as a plasticine material for playing, multiple kinds of modeling can be made in a pinched mode, and the handwork-dough-modeling and plasticine dual-purpose material has the advantages of being green, nontoxic, harmless, free of cracking, antibacterial, long in retention time, good in modeling and proper in rigidity.

The utility model relates to a fluid chip detection system and detection method of micro-nano rise system, which is characterized in comprising an incident light generation system, a dual focal fluorescence collection system, a collecting light processing system, a circulation flowing stereo temperature control stage, and a microfluid chip; wherein the incident light generation system comprises at least a light source and a condenser arranged on the output of the light; the dual focal fluorescence collection system comprises a front imaging lens group and a rear imaging lens group and a detector arranged on the output of the post lens group; the collecting light processing system comprises an A / D acquisition card connected with the output of the detector, and a computer connected with the output of the A / D acquisition card; the temperature control stage comprises a motion platform bearing the microfluid chip, the heat transfer media around the motion platform, a heater arranged around the heat transfer media and a heat insulation device arranged outside the heater, the computer is connected with the motion platform through a motion controller, and connected with the heater and a temperature transmitter through a temperature feedback circuit. The utility model has the advantages of simple structure, low cost, high fluorescence efficiency collection and high detection sensitivity, convenient use and easy for promotion and popularization.

The invention relates to a method for grafting pitaya with pitaya flowers as stocks. The method particularly includes the steps of selecting the pitaya flowers as stock seedlings, using pitaya branches as scions, and grafting the pitaya scions to the pitaya flowers at the right moment, wherein dipping and disinfection processing are carried out on the base portions of the scions and the cut portions of the stocks with an ABT1 solution and a carbendazim solution before grafting is carried out; after the pitaya scions are grafted to the pitaya flower stocks, smearing all exposed wounds after the butt joint with a layer of Vaseline, and finally binding the butt joint portions of the scions and the stocks through plastic wrap to fix the scions and the stocks in a coincident mode. By means of the method, due to the fact that the wild pitaya flowers have the advantages of being abundant in resource and excellent gene and the like, after the pitaya is grafted on the pitaya flowers, the pitaya fruited on the pitaya flowers is high in yield, good in taste and good in quality after grafting is carried out; meanwhile, pitaya grafting is of great significance on the effects of sustainable utilization, the low-yield improvement and waste recycling of the pitaya flower resources, the effect of rapidly enlarging the planting area of the pitaya and the like.

The invention belongs to the technical field of picked fresh plant preservation and discloses a preservation method of fresh plants by combination of vacuum pre-cooling and acidic electrolyzed oxidizing water treatment. The preservation method comprises the following steps: (1), screening the fresh plants picked from the field, so that fresh plants which are uniform in size, accordant in ripeness and free of obvious defects are obtained; (2), performing vacuum pre-cooling on the fresh plants selected in the step (1) in a vacuum pre-cooling machine; (3), sprinkling the acidic electrolyzed oxidizing water during the pre-cooling process for 30-150 seconds, turning off the vacuum pump when the final temperature of the pre-cooling is reached, maintaining low-pressure state of the vacuum cavity while sprinkling the acidic electrolyzed oxidizing water again, and stopping sprinkling when the pressure maintaining is over; (4), introducing pre-configured mixed air into the vacuum cavity after the pressure maintaining until the pressure in the vacuum cavity is recovered; and (5), taking the pressure-recovered fresh plants from the pre-cooling machine, carrying out modified atmosphere packaging, and refrigerating the packed fresh plants. The method is suitable to wide varieties of vegetables and simple to operate, and is capable of effectively prolonging shelf lives of the products.

The invention discloses a plant grower that suits for being sew by plant in desert. It comprises at least three to eight flat thin-wall water storage equipment that forms into a enclosed hollow revolving body in jujube nucleus shape; the lower part of every water storage equipment is equipped with water outlet, micro-porous water seeping plate, screwing cover and soft tube connected with water storage equipment; the lower part of every water storage equipment is connected with metal plate; the external periphery of all the metal plates forms into the end curved surface of the said revolving body; the metal plate is also connected with the hollow pipe installed in the pivot-end of the hollow revolving body; the hollow pipe is equipped with cutting knife and cutting knife top bar connected with cutting knife; the upper part of said revolving body is equipped with at least three tail wings with certain distance. The shell grower with tail wing can be planted into sand nearly in vertical condition, the plant can draw necessary water and nutrient from grower until the root enters into sand for a long time. The grower solves the problem of low survival rate of plant in desert.

The present invention relates to sandy soil plantation, and is one kind of water storing fertilizer bag. The water storing fertilizer bag is one watertight bag, inside which, there are one organic matter layer, stalks, and one manure bag. During planting, the water storing fertilizer bag is set inside sandy soil, covered with sandy soil and mulching, and watered, with the mulching being pressed with stones and sands. Plant is grown in the water storing fertilizer bag, and the manure bag is pricked for the fertilizer to act. The water storing fertilizer bag has functions of keeping fertilizer and storing water and is suitable for use in sandy soil.

The invention relates to an adenine arabinoside monophosphate freeze-dried powder injection and a preparation method thereof. The freeze-dried powder injection is formed by freeze-drying an adenine arabinoside monophosphate drug solution. The adenine arabinoside monophosphate drug solution comprises 100g of adenine arabinoside monophosphate, 25g of mannitol, 3g of disodium hydrogen phosphate, 0.3gof monosodium orthophosphate, 1g of disodium ethylene diamine tetraacetate and 2,000ml of water for injection. The freeze-drying process in the preparation method comprises pre-freezing, sublimationand heating for drying. Compared with the common water injections in the prior art, the freeze-dried powder injection and the preparation method thereof have obvious advantages on storage and transportation.

The invention relates to a low-temperature pressurization head space sample injection device for measuring volatile substances in the atmosphere through a GC-MS (gas chromatography-mass spectrometer) technology. The low-temperature pressurization head space sample injection device comprises a reciprocating full-glass piston pump which consists of a glass piston cylinder barrel (1), a unidirectional valve a (2), a unidirectional valve b (3), a clamp (4), a crank-link mechanism (5), a micro motor (6) and a worm speed reducer (7), a sampling head space bottle which comprises a head space bottle body (10) and cooling equipment, wherein a seal is arranged at the head space bottle; two injection needle heads with different lengths are inserted into the seal; the long needle head is in contact with the bottom to serve as a gas inlet needle (8); the short needle head is positioned at a bottleneck to serve as a gas exhaust needle (9); the gas inlet needle (8) is connected with the unidirectional valve b (3); the gas exhaust needle (9) is connected to a GC-MS; the head space bottle body (10) is arranged in the cooling equipment (12). Compared with the prior art, the low-temperature pressurization head space sample injection device has the advantages that the efficiency of collecting the volatile components in the atmosphere can be improved, so that the volatile components in the atmosphere can be fully collected and can be subjected to quantitative and qualitative compound analysis in the GC-MS.

The invention discloses an ecological guardrail with water storage irrigation functions. The ecological guardrail comprises at least one support and double-layer grooves. The double-layer grooves are formed in the supports, and the supports and the double-layer grooves are integrally assembled; upper-layer planting grooves of the double-layer grooves are formed in lower-layer water tanks and are separated from the lower-layer water tanks by laid water absorption stone, a water inlet and an overflow opening are formed in a side of each lower-layer water tank, each overflow opening is formed in the upper portion of the corresponding water inlet, and water absorption cotton strips are arranged in the lower-layer water tanks and are communicated with the water absorption stone by non-woven fabric layers which are laid on the lower portion of the water absorption stone; guardrail sleeves are arranged on support columns in the supports, and the double-layer grooves are formed in the guardrail sleeves. The ecological guardrail with the water storage irrigation functions has the advantages that irrigation and maintenance effects can be realized by the existing seedling guardrail, water storage and supply effects can be realized, and the ecological guardrail is favorable for growth of plants in the planting grooves of the guardrail and has an excellent ecological benefit; the ecological guardrail is simple in structure and low in cost.

A preparation method of moisturizing syrup belongs to the moisturizing technical field. The preparation method takes starch or starch milk as raw materials and adopts Amano AMT1.2L and Genencor OPTIMAX L-1000 for saccharification and production of the moisturizing syrup after liquefaction, the maltose content in the syrup is 13-20 percent, maltotriose is more than 60 percent, oligosaccharides more than tetraose are lower than 18 percent (as the preparation process detects that the triose content is 68 percent, the invention turns to emphasize the contents of two components of the triose and the tetraose), and the glucose is lower than 5 percent. The preparation method adopts pulp conditioning liquefaction, Amano AMT1.2L and the Genencor OPTIMAX L-1000 saccharification, membrane filtration and decolorization, continuous counter-current ion exchange, multi-effect plate-typed vacuum evaporation and concentration and other and advanced production technologies for simplifying process, saving energy and reducing consumption during the implementation process, thereby realizing the environmental friendly and high-efficient production of the special syrup for moisturizing.

The invention provides moisture-retention liquid and a method for preparing the moisture-retention liquid. The moisture-retention liquid comprises, by weight, 45% to 99% of fucales extractives, 0.1% to 1% of sodium alginate, 0.5% to 50% of oat beta-glucan solutions, 0.1% to 1% of sodium hyaluronate with the low molecular weight and 0.1% to 5% of D-panthenol. The invention further provides the method for preparing the moisture-retention liquid. The moisture-retention liquid can retain moisture and improve the barrier function of the skin and has a good skin moisture-retention function and a good skin nourishing function, and meanwhile the effect of repairing and maintaining the normal barrier function of the cuticle is achieved.

The invention relates to special handwork plasticine for English course, which is used for showing English characters or words to be learned on a blackboard in forms of plasticine characters during English teaching at schools and kindergartens so as to enhance the teaching interestingness. The special handwork plasticine for English course is prepared from the following raw materials in parts by weight: 30 parts of resin clay, 10 parts of pectin, 0.5 part of bone glue, 5 parts of aloe gel, 40 parts of modified corn starch, 10 parts of glutinous rice flour, 5 parts of neodymium iron boron magnetic material powder, 3 parts of almond oil, 1 part of palm oil, 1 part of chamomile essential oil, 0.2 part of pericarpium granati extract, 0.5 part of refined salt, 3 parts of calcite powder, 20 parts of flour, 0.5 part of calcium stearoyl lactylate, 0.2 part of sodium tripolyphosphate, 0.2 part of polymethylphenyl siloxane liquid, 5 parts of kieselguhr, 0.5 part of food coloring and 10 parts of water. In the invention, the English characters or words to be learned are shown on the blackboard in forms of plasticine characters so as to enhance the teaching interestingness and realize the characteristics of environmental protection, no toxin, harm or crack, antibacterial property, good forming property, moderate hardness and convenience in demoulding.

The invention discloses instant scallop adductor and a preparation method thereof, which belong to the technical field of food science. The instant scallop adductor takes scallop adductor as a raw material and is prepared through the steps of selection, cleaning, precooking, seasoning, dipping, drying, baking, vacuum packaging and counter-pressure sterilization of the raw material. The product is white, has unique flavor of scallops, and contains 45 to 60 percent of water, protein accounting for 60 to 70 percent of the dry weight of the product, fat accounting for 1 to 2 percent of the dry weight of the product, colonies of which the total number is less than or equal to 8,000 cfu / g, coliforms which are less than or equal to 30 MPN / 100g, and no detected pathogen. The method has the advantage of short processing time; and the finished product is instant and can be stored at the normal temperature. The instant scallop adductor and the preparation method thereof provided by the invention play an important role in promoting the rational utilization of scallop resources, forming a post-production processing industrial chain and adjusting a scallop processing industrial structure, and are of far reaching importance in promoting the sustainable development of the economic structure of agriculture in scallop producing areas in China and social progress.

The invention relates to freeze dried monophosphate adenine arabinoside powder injection for injection and a preparation method thereof. The freeze dried powder injection is prepared by freeze-drying a monophosphate adenine arabinoside liquid, wherein, the monophosphate adenine arabinoside liquid comprises 100 g of monophosphate adenine arabinoside, 25 g of mannitol, 3 g of disodium hydrogen phosphate, 0.3 g of sodium dihydrogen phosphate, 1 g of ethylenediaminetetraacetic acid, and 2000 mL water for injection. The preparation method comprises the following three steps: prefreezing, sublimating, and heating drying. Compared with common water injection in the prior art, the freeze dried powder injection and its preparation method disclosed herein have remarkable advantages in storage and transportation.

The invention relates to a hydrogel base material of a facial mask. The hydrogel base material is prepared by mixing 10% polyvinyl alcohol, 10% polyvinyl pyrrolidone, 2% chitosan liquid and an additive, and concretely comprises: 6-10 parts of 10% polyvinyl alcohol, 4-6 parts of 10% polyvinyl pyrrolidone and 0-5 parts of 2% chitosan liquid; the additive consists of 0.02%-0.03% of EDTA (Ethylene Diamine Tetraacetic Acid), 0-1% of methyl parahydroxybenzoats and 2%-5% of glycerinum based on the mass of the base material, as well as a proper amount of a pH regulating agent. Compared with a conventional facial mask, the hydrogel facial mask can be greatly absorbed, moisture and essential components are retained, so that hydrogel facial mask is unlikely to evaporate and dry, and the moisture and nutrients can be replenished continuously; and furthermore, the essence is all retained on the hydrogel, no essence is leaked, and the hydrogel facial mask is convenient to use.

The invention discloses an intelligent-touch-screen symmetric type automobile steering wheel. The intelligent-touch-screen symmetric type automobile steering wheel comprises a steering wheel body. The steering wheel body comprises an operation wheel and a supporting wheel. A left intelligent touch screen and a right intelligent touch screen are arranged on the two sides of the supporting wheel. The top of the left intelligent touch screen and the top of the right intelligent touch screen are each provided with upper physical keys. The bottom of the left intelligent touch screen and the bottom of the right intelligent touch screen are each provided with lower physical keys. The operation wheel is of a hollow structure. Air supply openings are formed in the operation wheel. The horizontal height of the upper physical keys and the horizontal height of the lower physical keys are larger than the horizontal height of the left intelligent touch screen and the horizontal height of the right intelligent touch screen. A safety air bag is arranged in the supporting wheel. A temperature sensor is further arranged on the operating wheel and electrically connected with a controller. A power source is electrically connected with the controller. The intelligent-touch-screen symmetric type automobile steering wheel is novel in design, convenient to operate and safer and more comfortable in traveling.

The invention relates to a method for increasing gallnut yield by cultivating moss and culturing aphids on non-woven fabric as a matrix, and belongs to the technical field of cultivation of economic forests. According to the method disclosed by the invention, according to the biological characteristics of good winter host moss for gallnut aphids, by taking schlechtendalia chinensis production as an example and taking the non-woven fabric as a carrier, the moss is cultivated and the aphids are cultured on the non-woven fabric matrix, and artificial management and culture is performed through a gallnut aphid scattering method or by inoculating gallnut aphids and autumn migrants, therefore the survival rate of overwintering aphids is increased; through production application in gallnut producing areas, such as Wufeng Tujia autonomous county, Zhushan county in Hubei province, the density of the overwintering aphids on the moss reaches 21 thousand per square meter on average, and the highest gallnut yield of a three-year-old gallnut forest is 82.5 kilograms per mu, which has a remarkable yield-increasing effect in comparison with the yield 30 to 50 kilograms per mu of traditional forest moss cultivation. The non-woven fabric adopted by the method disclosed by the invention is low in cost and small in size; moreover, the aphids and the moss are light in weight, firm as a whole, and easy to move; the aphids can be conveniently collected or scattered, and a better aphid collecting effect can be achieved; the method is simple and convenient in management and easy to popularize and apply.

The invention discloses a bath moisturizer having high moisturizing effects and a preparation method thereof. The moisturizer includes first polyethylene glycol, an oil emollient humectants, water-soluble silicone wax, polyol, a silicone moisturizing lubricant, dimethiconol, hydrogenated lecithin, a macromolecule humectants, ceramide and a polyglycerol emulsifying agent; and the average molecularweight of the first polyethylene glycol is 4,400-10,000. The moisturizer has high moisturizing effects, and is long in service life and stable in performance.

The invention relates to a preparation method and application of an ultrahigh-performance biomass-based banana peel guided activated carbon VOCs adsorbent, wherein the preparation method comprises thesteps: cutting banana peel into pieces, washing cleanly, and carrying out high-temperature carbonization to prepare charcoal; and then mixing the charcoal with KOH in proportion, and then carrying out high-temperature activation to obtain the final banana peel charcoal. The preparation method disclosed by the invention has the advantages that banana peel is used as a carbon source, KOH is used asa dehydrating agent, and the prepared banana peel charcoal has ultrahigh specific surface area and pore volume, and has ultrahigh adsorption capacity for VOCs; the method has the advantages of sufficient used raw material sources, low production cost, simple material preparation process, favorable reproducibility and favorable adsorbability, and is easy to operate; and the method realizes efficient utilization of waste banana peel, solves the problem of treatment of the waste banana peel, improves the utilization efficiency of charcoal resources, and expands the application of the charcoal inthe field of environmental protection.

The invention discloses an anti-acne composition containing epidermal growth factors and tea tree oil and a preparation method thereof. The anti-acne composition disclosed by the invention comprises the following components: epidermal growth factors, tea tree oil, metallothionein, chlorhexidine, humectant, tackifier, alpha-carboxylic acid, pH value regulator, surfactant and deionized water. The preparation method of the anti-acne composition disclosed by the invention comprises the following steps of: mixing and heating the epidermal growth factors, the tea tree oil, the metallothionein, the chlorhexidine and the surfactant to be used as an oil phase; dissolving and heating the humectant, the tackifier and the alpha-carboxylic acid in water to be used as a water phase; adding the oil phase into the water phase, and stirring uniformly; and adding the pH value regulator for regulating the pH value, thereby obtaining the anti-acne composition containing epidermal growth factors and tea tree oil. The epidermal growth factors contained in the anti-acne composition disclosed by the invention can accelerate the metabolism of skin cells, and the natural tea tree oil capable of resisting bacteria and diminishing inflammation can efficiently sterilize bacteria, diminish inflammation and remove acnes, thus the anti-acne composition has good moisture retention and small skin irritation.

The invention provides a stretchable ultrasonic auxiliary mask and a preparation method thereof, and is used for solving the problems in the prior art that the mask absorption efficiency is low, an ultrasonic introducer is not convenient to carry or operation is complex. According to the stretchable ultrasonic auxiliary mask, an ultrasonic array stretchable circuit board is packaged between an external mask-shaped elastic film and an internal mask-shaped elastic film and used for generating ultrasonic waves of the preset frequency; and a connector connects the ultrasonic array stretchable circuit board and an excitation unit and provides excitation voltage generating the ultrasonic waves of the preset frequency for the ultrasonic array stretchable circuit board through the excitation unit so as to realize the function of the ultrasonic auxiliary mask. According to the ultrasonic function, the stretchable auxiliary mask is perfectly fit with the face, and the facilitation of medicine or moisture absorption can be realized by cooperation of other masks so that the absorption speed and the absorption rate of the medicine or the moisture can be greatly enhanced in comparison with the mode of directly using the beauty medicine mask; the moisture can be kept from being easily evaporated in comparison with using the ultrasonic introducer so that operation is easier; and the ultrasonic auxiliary mask can be folded or curled so that carrying is convenient and operation is easy.

The invention relates to a soil-free culture system with a closed ecological tank. The soil-free culture system comprises a culture system and a water circulation system, wherein the culture system comprises a high-pin-style culture tank, a porous barrier playing a supporting role, a porous material playing a filtration role, perlite and a cover plate with field planting holes; the high-pin-style culture tank, the porous barrier, the porous material, the perlite and the cover plate are sequentially arranged from bottom to top; the cover plate can totally cover the opening of the culture tank, and a cylindrical drainage opening extruded downward is arranged on the lower surface of the culture tank; the water circulation system comprises a main water supply pipe, a water supply branch pipe, a water supply capillary hose, a water return branch pipe and a main water return pipe. The soil-free culture system can save water and fertilizers, and is high in yield and efficiency, and thus the soil-free culture system is a closed zero-release ecological cultivation system.

The invention discloses a novel facial mask for resisting aging and filling fine wrinkles. The facial mask comprises a facial mask body, wherein the facial mask body is immersed in anti-aging essence, and the anti-aging essence is prepared from the following components in percentage by weight: 11 percent of humectant, 2.5 percent of low-molecular-weight hyaluronic acid filling spheres, 2 percent of acetyl hexapeptide-8, 0.7 percent of ceramide, 1.0 percent of mung bean fermented extract, 1.7 percent of glucomannan, 2.0 percent of palmitoyl pentapeptide-3, 0.3 percent of Chinese-sacred lily extract, 1.3 percent of phenoxyethanol, 1.3 percent of ethylhexylglycerin, 0.4 percent of hydroxyethyl cellulose, 0.05 percent of essence and the balance of deionized water. The preparation method comprises the following steps: uniformly mixing the components in proportion to obtain the anti-aging essence; and immersing the facial mask body into the anti-aging essence to obtain the facial mask. The facial mask combines the functions of instant wrinkle removing and long-acting wrinkle removing, and can be used for immediately achieving the effect of lightening wrinkles and improving skin color after being applied to skin for 20 minutes.

The invention relates to an improved manufacture method of cement accelerator, which comprises the following steps: step I, raw material mix calcination: carrying out mix calcination on 28.8% of bauxite, 40.1% of limestone, 21% of soda ash and 10.1% of raw coal to obtain a aluminum oxygen chamotte; step II, mix grinding: taking calcined aluminum oxygen chamotte and industrial coal cinder to carry out mix grinding to obtain a cement accelerator in the prior art; and step III: adding polyacrylamide and redispersible emulsion powder in proportion in the cement accelerator in the prior art. By adopting the method in the invention, the cement accelerator prepared improves the caking property of the concrete, enables the concrete to have enough moisture for conservation, changes the brittleness of the concrete, and enables the sprayed concrete to have a favorable anti-permeability, meanwhile increases the bond force of the sprayed concrete and the base course, and increases the stretching bonding strength of the base course.

The invention discloses a water resource recycling and utilization device for arid areas, which comprises an outer tank body and an inner tank body.A water collecting tank and a bracket are arranged atthe lower end of the outer tank body, a cavity is formed between the outer tank body and the inner tank body,the water collecting tank communicates with the cavity, a water collecting plate is arranged above the outer tank body, a heating member composed of a heat collecting plate, a heating rod, and a heat conducting member is arranged in the middle of the water collecting plate, a plurality of through holes communicating between the inner and outer spaces of the outer tankbodyare formed in the water collecting plate, and the interior of each of the through holes is fixedly connected toa water collecting member, wherein the tops of the water collecting members arejointly directed to a support frame. A reflector collects intense light during the day to heat and vaporize collected rain dews of the inner tank body, so that the rain dews are liquefied by a condensing unit, filtered, and purified, pollutants such as impurities in the rain dews are eliminated, water is subjected to a decontamination ensuring treatment in terms of safety and sanitation, water, heat, solar energy and other resources in the arid areas are utilized to the maximum extent, collection and disinfected drinking of the rain dews in the arid areas are realized, and safety and environmental protection are realized.

The invention provides a plant planting method for reducing water evaporation in desert, and belongs to the field of desert treatment. The method comprises: transplanting saplings cultivated indoors into planting pots; setting a plurality of planting rows of rows in the desert to be greened, planting the planting pots in the desert to be greened; evenly arranging a plurality of water collecting devices 1 to 2 m below the bottom of each planting pot, with each planting pot as the center and within an annular region with a radius of 1-2 m; burying the water collecting devices and the planting pots; and laying a sand modifier on the buried surface, and turning the surface sand within a radius of 1-2 m around the saplings every 15-20 days until the sapling height is 2 meters or higher. The method adopts specific cultivation devices combined with the sand modifier and cultivation method to achieve the effect of reducing water evaporation in root soil of desert plants.