112results about How to "Stop evaporation" patented technology

The invention relates to a dust suppressing and sand fixing agent. The dust suppressing and sand fixing agent is prepared from the following components in parts by weight: 18 to 24 parts of xanthan gum, 25 to 37 parts of hydroxypropyl methyl cellulose, 16 to 28 parts of modified starch and 25 to 40 parts of sesbania gum powder. Under the synergistic action of all the components, the functions of moisturizing, bonding and agglomerating the dust can be realized, and the aims of good sand-fixing effect, high permeability, no pollution to the environment, low cost and facilitation for preparation and construction can be achieved; meanwhile, the problems of poor dispersity, poor permeability and insufficient dry strength can be solved.

The invention relates to the fields of hot-dip galvanizing alloy technology and auxiliary equipment used therefor, and specifically relates to a dry and wet gas mixing and humidifying device for inhibiting zinc ash in hot galvanizing and a use method thereof. The device comprises a furnace nose (10), and is characterized by also comprising a water tank (1), a water inlet pipe (21), a water discharge pipe (22), an air inlet pipe (23), a flow meter (33), a water level gauge (41), a heater (42), a dew-point instrument (43), a dry gas header pipe (5), a dry wet gas mixing pipe (6), and a control device (7). The use method comprises the following steps in sequence: (i) introducing dry gas; (ii) humidifying the dry gas; (iii) mixing dry gas and wet gas; and (iv) regulating the dew point. The device and method have the advantages that the zinc ash is well inhibited, the strip steel quality is high, the control is accurate, and the automation degree is high.

The invention discloses a method for treating stripping diseases of medium bed in loess slopes. The method comprises the following steps: slopes are renovated; a layer of nutrient wheat straw mud which is formed by evenly stirring of a mixed material and water according to the volume rate of 2.5 : 3.5 to 1 is painted on the renovated slope; the mixed material is evenly mixed by wheat straw stalks, clay, mixed fertilizer and grass seeds according to the volume rate of 25-35:58-62:0.5-1.5:8.5-9.5; the mixed fertilizer is a chemical fertilizer or a fertilizer which is evenly mixed by the chemical fertilizer and farmyard manure according to the proportion of 15-25:5-15; the chemical contains 10 wt% to 15 wt% of nitrogen and 15 wt% to 20 wt% of potassium phosphate; a metal net is covered on the painted nutrient wheat straw mud layer; the covered metal net is laid with a layer of non-woven fabric; and maintenance is carried out to the nutrient wheat straw mud. The invention has simple and easy operation, low cost and good treating effect and can effectively solve the problem of stripping diseases of medium bed in loess slopes.

The invention discloses a skin care composition with moisturizing efficacy, which comprises a phase A, a phase B and a phase C, wherein the phase A contains emulsifier and grease; the phase B contains moisturizer, penetration enhancer, nutrient and the like; and the phase C contains preservative and essence. The invention also discloses a preparation method of the skin care composition. In the invention, the traditional assistant and guide prescription idea of the traditional Chinese medicine is adopted to design an efficacy system, and a silicon oil-in-water preparation system is adopted, thus the skin care composition disclosed by the invention has better functions of moisturizing the skin and maintaining the moisture, and the skin is fresh and greaseless. Simultaneously, the system can bear traditional Chinese medicine additives enriching many ions, thus the obtained product has an obvious moisture maintaining effect.

This invention discloses method and equipment for preparing lead iodide single crystals from lead iodide melt, which comprises the steps of: cleaning an ampule, filling it with lead iodide powders, degassing and sealing the ampule, growing the single crystals and cooling. The method can effectively suppress the decomposition of lead iodide melt and the vaporization of iodine, and can remove segregated lead. The ampule is made of a quartz tube, and comprises a seed crystal bag, a growth chamber, a connecting vessel, a lead tube, a loading bag anb a hook. After filling, the ampule is placed into a two-stage temperature range vertical tubular furnace to finish the growth of the single crystals. The as-grown single crystals are orange and semi-transparent with sizes up to Phi (15-20)X30 mm. The electrical resistivity of as-grown single crystals can reach 1012-1013 ohm .cm, thus the single crystals have wide applications, especially as room temperature nuclear radiation detector.

The invention relates to a steel frame greenhouse technology for peach tree in low-latitude plateau area. The technology is characterized in that steel pipes are welded to form a semicircular steel frame greenhouse to be fixed to the peach tree farmland; a plastic greenhouse film and an inspect proof nets cover the frame; a nonwoven fabric covering surface is hung in the greenhouse; the plastic greenhouse film and the nonwoven fabric are contracted and stretched to realize the control to the temperature in the greenhouse of the peach tree at different growth periods and under the changeful air temperature condition at the low-latitude plateau area; meanwhile, an underground irrigating device, a novel double-layer ground film and a special fruit bag and other technologies are adopted, thus the damage factor under the natural condition is removed, the natural growth state of the peach tree is remained to the maximum, and the quantity of applied pesticides and chemical fertilizers is greatly decreased; the water for irrigating is about 40% that under the common planting condition, and the output is more than 150% that under the common planting condition; in addition, the peach quality is far more than that of the common peach, and the market price is 5 times that of the common peach.

The invention relates to a protective rib template for a cast-in-place reinforced concrete beam column. The protective rib template mainly comprises a rigid fiber mortar rib template and a connectingcomponent, wherein the rigid fiber mortar rib template is prepared from cement mortar or fiber cement mortar, or is prepared by transversely and/or longitudinally distributing fiber ropes into the cement mortar or the fiber cement mortar, or is prepared from the cement mortar, or the fiber cement mortar and fiber cloth and/or a filter net or is prepared from the cement mortar, or the fiber cementmortar and fiber cloth and/or a filter net and/or the fiber ropes. The protective rib template has the characteristics that the cracking resistance and the shock strength are high, the structure is simple, the mass is light, the template can resist construction collision, and the evaporation of the moisture of newly casted concrete slurry can be prevented; form removal is not required, so that theconstruction progress is accelerated, the construction quality is improved, and a main steel bar in the reinforced concrete is provided with a concrete protecting layer with a thickness which is notlower than 25mm; and the protective rib template can be individually and accurately customized.

The invention relates to a method for the controlled evaporation of a liquid drop (2) in a closed or confined type microfluidic device (1), enabling the concentration of analytes possibly present in the drop (2) to be increased.

According to the invention, a drop (2) and/or a bubble (4) are brought into contact with each other, said contact enabling the drop (2) to evaporate in the bubble (4).

According to the invention, a modular storage system for laboratory fluids is characterized in that a carrier frame comprises a defined number of slots for at least two different laboratory vessel inserts, which can be inserted so that they can be arbitrarily interchanged and inserted in arbitrary combinations with a positive fit in the slots of the carrier frame and which each comprise at least one laboratory vessel and/or at least one compartment for at least one laboratory vessel.

The present teachings relate to a printhead maintenance station for an industrial printing apparatus which is used to prevent clogging of the printhead, particularly during periods in which the printheads are idle. The maintenance station includes a capping station which has sockets for keeping the printheads moist and a blotting station for cleaning any residual printing fluids prior to carrying out a print function.

The invention provides a wetting dust sticking material, which is used for coal mine dust reduction. The wetting dust sticking material is prepared from the following raw materials in percentage by weight: 0.5 to 5 percent of secondary alkane sulphonate sodium, 0.1 to 0.5 percent of hydroxypropyl methyl cellulose, 0.1 to 0.3 percent of synergistic ions, 0.05 to 0.2 percent of humectants and the balance of water. The wetting dust sticking material can be prepared from mixed water solution of secondary alkane sulphonate sodium, hydroxypropyl methyl cellulose, synergistic ions and humectants by using conventional stirring equipment at normal temperature; the wetting dust sticking material can be sprayed onto a dust source to control the generation of dust, and can also be spraying the dust-containing air to settle the dust in the air so as to control the generation and the diffusion of the dust. The used raw materials do not have toxicity, and can be naturally degraded; green and environmentally friendly effects are achieved. A dust inhibitor can achieve the effects of reducing the dust reduction water consumption, improving the dust reduction efficiency and saving water resources, and has wide practicability.

The invention relates to a high-strength aluminum alloy composite plate for a surface plate of a brazing honeycomb plate, a core material, wrapping layers and a surface material. The high-strength aluminum alloy composite plate comprises the surface material, a first wrapping layer, the core material and a second wrapping layer, which are overlapped in sequence, wherein the thickness of the composite plate is 0.5-2.5 mm; the surface material is a 4-series aluminum alloy; the mass content of Si is 4.5-11%; the first wrapping layer and the second wrapping layer are both made of a 1050 aluminum alloy with an Si element; the mass content of Si is 0.7-0.9%; the core material is a 6-series aluminum alloy; and the solidus temperature of the core material is higher than or equal to 580 DEG C. Due to adoption of the high-strength aluminum alloy composite plate for gas carrier brazing, the core material, the wrapping layer and the surface material, the strength can be maintained when the weight of the composite plate can be reduced, in addition, the surface plate of an Mg-containing aluminum honeycomb plate can be applicable to gas carrier brazing, the production efficiency of brazing can be improved, and the production cost can be lowered.

The invention discloses galangal fruit and vegetable fresh-keeping agent and the preparation method thereof, which belongs to the field of preparative techniques of film coating agents. The galangal fruit and vegetable fresh-keeping agent is prepared from galangal liquid as raw material. The preparation method comprises the following steps: decocting galangal in water sufficiently to obtain medicinal ingredients; filtering the obtained medicinal liquid, cooling, and storing; and blending the galangal medicinal liquid with bleached lac to coating. The utility model has the benefits that the galangal fruit and vegetable fresh-keeping agent is coated on the surface of fruit and vegetable and has good fresh-keeping effect. The galangal fruit and vegetable fresh-keeping agent has low cost, is environment-friendly, and protects the benefits of fruit growers; and the market is exploited.

The invention belongs to the field of building waterproof coatings and particularly provides a dual-component silicone-acrylic anti-cracking waterproof coating and a preparation method thereof. According to the dual-component silicone-acrylic anti-cracking waterproof coating, on the basis of a traditional JS waterproof coating, the high-temperature anti-cracking performance, the low-temperature anti-cracking performance, watertightness, anti-permeability, tensile strength, bonding strength and other performance of materials are remarkably improved while cost is reduced; the I-type solid content is larger than or equal to 70%, the tensile strength is larger than or equal to 4.8 MPa, the elongation at break is larger than or equal to 350%, watertightness is achieved for 160 min at the pressure of 0.4 MPa, no crack (phi 10mm rods) exists at the temperature of -40 DEG C according to low-temperature flexibility, and no crack exists during construction in the environment of the temperature of 45 DEG C according to high-temperature flexibility.

The invention belongs to the technical field of chemical fiber and relates to a flame-retardant compound cellulose acetate fiber preparation method and application. According to the preparation methoddisclosed by the invention, reduced graphene is utilized to replace graphene oxide, so that the agglomeration phenomenon of graphene in a spinning solution is eliminated, breaking strength is improved by 5% to 30%, viscosity of the spinning solution is appropriately reduced, and spinnability of cellulose acetate is improved. Lewis acid is utilized to react with tripolycyanamide to generate trimerization ammonium salt, so that the problem that the tripolycyanamide cannot be dissolved into acetone is solved; furthermore, the prepared flame-retardant compound cellulose acetate fiber has an excellent flame-retardant effect. The flame-retardant compound cellulose acetate fiber prepared by the preparation method disclosed by the invention can be applied to the fields of wigs, fireproof clothesand the like. The preparation method disclosed by the invention has the advantages of moderate conditions, simple reaction processes and suitability for large-scale production.

The invention relates to the technical field of desert afforestation, in particular to a desertification control method. Transparent materials cover the surface of a desert in pieces and are fixed through stakes, the transparent materials are connected into blocks through ropes, thereby preventing the occurrence of large-area sand storm, preventing water from evaporating continuously while underground water is evaporated to the surface of the desert, and preserving the moisture of the desert; in rainy, snowy and foggy weather, because the surfaces of the transparent materials are flat and smooth, the water flows into the desert through gaps among the transparent materials, thereby preserving rainfall moisture; at night or in seasons with lower temperature, a transparent material layer becomes an insulating layer of the desert, thereby providing favorable conditions for the survival of tree varieties. The desertification control method has the advantages that after the formation of green vegetations of the desert is accelerated, the transparent materials can be recycled and used for next desert control, desert control is one-time investment, the required artificial maintenance is less, the formation of an organic layer of the desert is fast, and the ecology is stable.

The present invention provides a thickener for solving a problem of difficulty in swallowing and a preparation method of the thickener. The thickener is prepared from xanthan gum, maltodextrin, aloe vera extract freeze-dried powder, agar, edible gelatin, a pH value regulator, chitosan oligosaccharide, guar gum and potassium chloride as raw materials. All the raw materials are natural thickeners. Besides, the components completely cover animal thickeners, plant thickeners, microbial thickeners and enzyme treatment thickeners. The thickener for solving a problem of difficulty in swallowing is prepared by mixing, homogenizing and spray-drying, dissolvability is improved, and mouthfeel and a taking effect are improved. The thickener is added into liquid food, full stirring is conducted to enable food to be thicker and smoother, and water is prevented from choking the lungs. The thickener for solving problem of difficulty in swallowing has great help for people with dysphagia, such as infants, old people, patients and the like, and can eliminate esophageal edema, reduce inflammatory risks and repair esophageal cells.

The invention discloses a chlorine dioxide stabilizing medium, a preparation method, and disinfecting liquid prepared from the chlorine dioxide stabilizing medium. The preparation method comprises the following steps of mixing mesoporous TiO2 capsules with isopropyl alcohol and gamma-aminopropyltriethoxysilane, performing a reflux reaction at 70-90 DEG C, and enabling obtained modified nanometer TiO2 capsules to be dispersed in an alkaline solution so as to obtain suspending liquid I; mixing chitosan with the isopropyl alcohol and glycidyltrimethylammonium chloride, performing a reflex reaction at 70-90 DEG C, performing extraction with anhydrous ethanol, performing drying, and enabling the obtained chitosan quaternary ammonium salt to dissolve in an alkaline solution so as to obtain a solution II; and mixing the suspending liquid I with the solution II so as to obtain the chlorine dioxide stabilizing medium. ClO2 is led into the chlorine dioxide stabilizing medium, and a reaction is performed, so that the disinfecting liquid is obtained. The disinfecting liquid is safe and non-toxic, and can rapidly remove microorganisms on the surfaces of fruits and vegetables for preservation of the fruits and the vegetables.