52results about How to "Won't evaporate" patented technology

The invention discloses a preparation method of high-purity sulforaphen. The preparation method comprises the steps of crushing broccoli seeds or broccoli bulbs, and performing enzymolysis, high-pressure homogenization, filtration, ionic liquid extraction and the like to obtain the high-purity sulforaphen. The method disclosed by the invention is simple in steps and easy in operation; the content of sulfuric myrosinase is increased by adding carrot juice, the activity of myrosinase is significantly improved under VC (vitamin) catalysis, and the conversion rate of the sulforaphen is improved; the extraction rate of the sulforaphen is improved and the extraction time is shortened by high-pressure homogenization extraction; the extraction efficiency is improved by ionic liquid extraction; and the method is economic and environment-friendly, the final purity of the sulforaphen is more than 95%, the whole process time is not more than 4 hours, the production efficiency is improved, and the whole extraction process does not need other organic solvents, so the method is pollution-free, realizes low-temperature operation and belongs to a typical environment-friendly process.

The invention discloses a preparation method of a polymer-added composite cathode and application of the composite cathode in a solid-state battery. The composite cathode is characterized by comprising a composite cathode pole piece and a solid-state electrolyte material, wherein the composite cathode pole piece is prepared from a cathode active material, an additive, a conductive agent and a binder; the solid-state electrolyte material is prepared from a high-molecular polymer with a long chain segment, lithium salt conducting a coordination reaction with the high-molecular polymer, and a fast ion conductor. The invention also discloses a preparation method of the polymer-added composite cathode applied to a solid-state lithium battery. The preparation method is characterized by comprising the following steps: preparing a cathode pole piece, preparing a solid-state electrolyte membrane. The preparation method disclosed by the invention has the following advantages: the arrangement regularity of polyoxyethylene molecular chains is damaged by the effect among the molecular chains of several polymers, the glass-transition temperature is lowered, the crystal formation is inhibited, and the ionic conductance is enhanced.

The invention relates to the field of extracting, and specifically relates to a supercritical fluid extracting device. The device comprises a fixing frame, a storing mechanism, a barrel body, a driving mechanism, a mixing mechanism, a filtering mechanism, an extracting mechanism and a feeding port, wherein the mixing mechanism is mounted in the barrel body and comprises injecting heads, an air pipe, a rubber rod, a funnel and a compressing plate; the inner sidewall of the barrel body is fixedly connected to the funnel; the top surface of the funnel is connected to the compressing plate throughthe elastic rubber rod; the top surface of the compressing plate is propped against the driving mechanism; the bottom end of the funnel is equipped with the air pipe; the injecting heads which are distributed at equal intervals are arranged on the sidewall of the air pipe; and the filtering mechanism is in thread connection with the bottom end of the barrel body. According to the device, air in the barrel body is compressed and blown into the materials and the supercritical fluid, so that the dissolving rate of the materials in the supercritical fluid is increased, and moreover, the temperature of the supercritical fluid does not increase.

The invention relates to a process for firing a Ru porcelain having a thread structure through a nine-step method. The process comprises the following steps: shaping raw materials, producing a thread structure, and performing in-kiln biscuit firing to obtain a green body; and glazing the green body, and performing in-kiln glaze firing to obtain the finished product, wherein the content of aluminum oxide in the raw materials is 22-30%; the water content of the raw materials is 9.5-10.5%; and the glazing concentration of the green body is 60-64 Baume degrees. The in-kiln glaze firing is divided into the nine steps in the specification; and by strictly firing according to temperature and time parameters in each step, the shrinkage ratio of the fired porcelain is controllable, and the finished product is unified in rim thread specification and high in precision.

The invention discloses a quantitative fertilizer applying device for agricultural planting, and belongs to the technical field of agricultural equipment. The device includes a case body, a rotating chamber, a material storage chamber and a pushing chamber; the rotating chamber, the material storage chamber and the pushing chamber are located inside the case body; the sidewall of the rotating chamber is provided with a first motor; the output end of the first motor is connected to a first rotating shaft; the end, away from the first motor, of the first rotating shaft is connected to a rotatingcylinder; the rotating cylinder is connected to soil digging plates; the first rotating shaft is connected to a transmission mechanism; and the bottom of the material storage chamber is provided witha beveled funnel. Through the mutual cooperation of the soil digging plates and a rotating disc, fertilizer can fall into small dug ditches; and through the mutual cooperation of a cam and a soil filling plate, the fertilizer can be buried while being finely sowed, so that the fertilizer can be avoided from being directly irradiated in air, the fertilizer cannot be evaporated and lost, and therefore, pollution to environment cannot be caused while the fertilizer is fully absorbed by crops.

The invention belongs to the surface coating coating technology, and particularly relates to a method for preparing an Al2O3 thin film and a Cr2O3 thin film by controlling oxygen pressure through a powder stack. According to the method, the new powder stack Fe-FeO is used for controlling the oxygen pressure, the Al2O3 thin film and the Cr2O3 thin film are prepared under the low oxygen pressure through few adding elements, the oxygen pressure is adjusted so that pure Al2O3 or Cr2O3 or a mixture of Al2O3 and Cr2O3 can be obtained, and the content is far smaller than the content of Al and Cr needing to be added for preparing of the Al2O3 thin film and the Cr2O3 thin film in air. Compared with the manner of controlling the oxygen pressure by introducing gas, the method is safer and more saving. Components of the powder stack cannot evaporate and are evaporated on the alloy surface to generate phase changes with a matrix.

The invention discloses an infrared light tube or bulb with a double-color coating, which comprises an infrared light tube or bulb (1), wherein a filament (4) is arranged in the infrared light tube or bulb (1); the outer surface of the infrared light tube or bulb (1) is coated with a gold-plated layer (2); the surface of the gold-plated layer (2) is coated with a whitewashed layer (3); the whitewashed layer (3) is coated on the gold-plated layer (2); and the area of the whitewashed layer (3) is larger than that of the gold-plated layer (2). In the infrared light tube or bulb with the double-color coating provided by the invention, a gold-plated coating and a whitewashed coating can be realized on a high-power infrared lamp, so that high reflectivity of gold plating and high temperature resistance advantage of whitewashing are achieved, the reflecting utilization ratio of the high-power infrared lamp is increased greatly, and the energy-saving effect and high efficiency of the high-power infrared lamp are realized simultaneously.

Disclosed are a solvent for polymerization and a method for preparing polymers using the same. The solvent is less harmful to the human body, causes a resultant polymer to be present always in a liquid phase, and is not evaporated during polymerization and thus is present in a polymer in such a manner that the whole polymer may serve as active component, resulting in reduction of the polymer production cost.

The invention relates to an accumulator non-maintenance electrolyte which belongs to field of lead-acid accumulator. The accumulator non-maintenance electrolyte comprises by volume percent: 0.1-0.3 of magnesium carbonate, 3-5 of rosin powder, 0.2-0.3 of humic acid, 0.3-0.4 of potassium permanganate, 2-3 of protanetrione, and the balance of dilute sulfuric acid with specific gravity of 1.27. Advantages of the accumulator non-maintenance electrolyte are that: generation of sulfated pole plate and abscission of pole plate active material are avoided, transition of complex particles are generated, evacuation is magnified, liquid surface tension and adhesive force is increased, reaction speed of ions is quickened, terminal voltage and starting current of accumulator are increased, the electrolyte is not easy to ice in winter and volatilize in summer, quality and purity of electrolyte are greatly increased.

The invention discloses a drop-proof heating plate of a steamer fabric entering opening which can prevent dripping upon the steamer fabric entering opening from dropping on the fabric. The drop-proof heating plate comprises a hollow plate, wherein, the bottom surface of the hollow plate is provided with at least one pair of ventholes which are communicated with a cavity body inside the hollow plate, one side of the hollowing plate extending into the box is provided with a convex fluid blocking edge higher than the upper plane. The drop-proof heating plate is mainly applied to the fabric entering opening of the steamer.

The invention belongs to the technical field of tree cultivation, and discloses a transplanting cultivation method for Pu'er old tea trees. The method mainly comprises the following steps: tree selection and pruning: selecting Pu'er old tea trees in winter and spring, and pruning the selected Pu'er old tea trees to be transplanted; excavation and transportation: excavating the Pu'er old tea trees,retaining soil balls in the excavation process, and then transporting the Pu'er old tea trees to a transplanting place; planting: pruning roots of the Pu'er old tea trees, spraying a rooting solutionand a sterilizing solution, and then planting the Pu'er old tea trees; and cultivation: brushing a trunk and a cut with a paraffin solution, and then watering the Pu'er old tea trees. The method provided by the invention is simple to operate, good in effect and good in sealing performance for tree bodies, water of the tree bodies does not evaporate, water transpiration and loss are reduced, it isensured that the tree bodies do not dehydrate, the trunk does not rot, the trunk and bark are not damaged, water balance and physiological balance of the tree bodies are maintained to the maximum extent, rapid rooting of the tea trees is achieved, and the survival rate of the transplanted tea trees is improved by 95% or above.

The present invention relates to a malus micromalus rot prevention and control agent, which comprises stemona japonica, scutellaria baicalensis georgi, angelica dahurica, rosin, gentiana scabra bunge, folium isatidis, rhus chinensis mill, and garlic. The preparation method comprises: weighing various components according to the ratio, leaching with clear water, leaching with ethanol, adding food fat and alum, and concentrating to obtain an oily paste finished product, wherein the effective components of various components are extracted by using the clear water and the ethanol, the formed paste is directly applied onto the cleaned lesion, the lesion cannot shed after the continuous use, it can be ensured that the water inside the tree cannot be evaporated from the wound, the bark burning problem cannot be generated, the invasion of the outside bacteria is avoided, the disease treatment effect is good, and the recurrence rate is low.

The invention relates to the technical field of dough mixing for noodles and discloses a dough mixing device for fine dried noodles. The dough mixing device comprises a dough mixing bucket and a driving base, wherein the dough mixing bucket comprises a bucket cover, a bucket body and a dough knife; a constant temperature chamber is arranged on the circumferential side surface of the bucket body; ahard water pipe, a water storage tank and a constant temperature regulating mechanism are arranged in the constant temperature chamber; a water inlet end of the hard water pipe is connected with thewater storage tank by virtue of a water inlet pipe; the constant temperature regulating mechanism comprises a plurality of water outlets; elastic rubber sheets are arranged at the water outlets; wateroutlet seams are formed in the elastic rubber sheets; one sides of the elastic rubber sheets far from the hard water pipe are connected with sealing covers used for controlling the water outlet seamsto be opened and closed; the water outlets are positioned on the outer side of the hard water pipe and are connected with water outlet shells; the water outlet shells communicate with a cooling tankby virtue of cooling pipes; the cooling tank communicates with the topmost layer hard water pipe by virtue of a return pipe; a valve and a second water pump are sequentially arranged from top to bottom on the return pipe; and a regulating mechanism used for controlling the valve to be opened and closed is arranged at the upper end of the hard water pipe. The device provided by the invention can keep temperature constant during dough mixing in summer.

A field-enhancing device (100) comprises at least one metal layer (005) or a metal grating (006) consisting of metal stripes or a dielectric grating (007). Usually the device is constructed on some substrate (001). The adhesive layer (002) is advantageous when the next layer is metallic, but is not needed with dielectric layers. The next layers to be constructed form a mirror structure that can also be omitted for simple field enhancing device constructs. The mirror structure can be either a metal mirror structure (003) or a distributed Bragg reflector structure (DBR) (004). The next layer isthe thin metal layer (005). This layer can be covered with a 1-D metal grating (006) consisting of metal stripes or with a dielectric grating (007) having similar geometry. The structure can also be fabricated without metals when dielectric grating (007) is used as the field-enhancing part. Finally, a protective layer (008) can be added on top of the structure.

An odor-resistant water leakage device comprises an outer sleeve, a supporting frame, a first water sealing piece and a second water sealing piece. The outer sleeve is provided with a supporting position and a water leakage cavity; the supporting frame is provided with a first positioning groove and a second positioning groove; the first water sealing piece is provided with a first positioning hole, and the second water sealing piece is provided with a second positioning hole; the first water sealing piece and the second water sealing piece are deformable and resettable thin elastic rubber sheets; the supporting frame is arranged on the supporting position, the first positioning hole is formed in the first positioning groove, the second positioning hole is formed in the second positioninggroove, and the first water sealing piece and the second water sealing piece are arranged in the water leakage cavity. When water flow enters the water leakage cavity, the first water sealing piece and the second water sealing piece deform downwards, after the water flow passes through the water leakage cavity, the first water sealing piece and the second water sealing piece reset, and the first water sealing piece and the second water sealing piece block part of the water flow to form a water seal.