75results about How to "Churn fast" patented technology

The invention discloses a high-performance liquid chromatography separation and determination method for impurities in a fosfomycin trometamol raw material drug and preparations thereof and an application thereof, aiming at separating the impurities. According to the method, the aminopropyl silane-bonded silica gel is used as a chromatographic column of a filler, a differential detector is used for detection; and a phosphate buffer solution and methanol-acetonitrile are mixed as a mobile phase; the method includes the following steps of: 1, preparation of a system suitability solution: wettinga raw material drug or a preparation with water, heating, and dissolving and diluting the raw material drug or the preparation by the mobile phase to obtain a solution A; dissolving and diluting theraw material drug or the preparation by using the solution A to obtain the system suitability solution; 2, preparation of a test solution: taking the raw material drug or the preparation, and adding the mobile phase for dissolving and dilution to obtain the set content of fosfomycin trometamol as the test solution; 3, preparation of a reference solution: diluting the test solution by using the mobile phase to obtain a solution containing fosfomycin trometamol equivalent to a mass concentration of 0.3-0.5% of the test solution as the reference solution; and 4, determination method: separately injecting the above three solutions into a liquid chromatograph, and calculating the content of each impurity in the raw material drug by using a principal component self-control method.

The invention discloses a method for planting rice in a saline-alkali land of the Yellow River irrigation district. The method comprises the steps that (S1) seedling culture is carried out; (S2) calcium sulfate powder is scattered in a ploughed and stirred saline-alkali paddy field with loose and soft soil, ploughing and stirring are conducted again, the paddy field is leveled, water is injected till the water level is 5-10 cm higher than the flat soil surface, and field steeping is continued for 7-10 days; (S3) water accumulated on the field surface is discharged, washing with flowing water is conducted for one time, a soil conditioner is applied, ploughing and leveling are conducted again, water is injected till the water level is 3-7 cm higher than the water surface, and rice seedlings are inserted; and (S4) additional fertilizers are applied periodically to supplement rice nutrients till the rice gets mature. The method for planting the rice in the saline-alkali land of the Yellow River irrigation district disclosed by the invention has the advantages that operations are simple; the programming degree is high; promotion is easy; the planting cost is low; soil salinization can be improved; a soil pH value can be reduced; soil fertility can be increased; and the yield of the rice planted in the saline-alkali land can be increased by 20%-30%.

The invention discloses a configuration method for light-potentially rocky desertification environmental plant hedge in karst region. The configuration method comprises selection of plant hedge planting type, land consolidation, plant hedge planting, late stage watering management, later stage pruning management forming plant hedge configuration form of pyracantha fortuneana, climbers+shrubs+herbs, climbers+small trees+herbs, herbs+shrubs; the plant hedge configuration form of pyracantha fortuneana, climbers+shrubs+herbs, climbers+small trees+herbs, herbs+shrubs is obtained in the method, control of soil erosion is conducted concerning light-potentially rocky desertification in karst region, the surface coverage is increased, the surface flow rate is reduced, the soil erosion is decreased, and the soil fertility is improved and preserved. Cash crops such as Hypericum monogynum, pyracantha fortuneana, Trifolium repens, and Prunus Humilis Bunge are planted. Crop yield is high, terrace stability and economic incomes of peasants are improved, the usage rate of the soil in karst region is increased, and the method is especially accepted by peasants in light-potentially rocky desertification environment.

The invention discloses a production process for preparing a novel carburant from a carbon solid waste material. A binder which is low in cost, high in viscosity, non-toxic, odorless, green and environment-friendly is selected to replace coal pitch. Carbon solid waste is subjected to a series of procedures of crushing, screening, purifying, stirring, mixing, kneading, profiling, drying, cooling and packaging, and through the step of water locking, the carbon solid waste is convenient to form, good in toughness and high in strength.

The invention discloses a door control server. The door control server comprises a shell; mounting plates are arranged on two sides of the shell; a heat conduction plate is arranged in the shell; the periphery of the heat conduction plate is connected with the inner walls of the shell; a heat absorption layer is arranged at the bottom of the heat conduction plate; a plurality of copper pipes are arranged above the heat conduction plate; two ends of each copper pipe are connected with the inner walls of the shell; a plurality of heat conduction rods are arranged at the bottoms of the copper pipes; the bottoms of the heat conduction rods are connected with the heat conduction plate; the copper pipes are filled with volatile liquid; a plurality of transmission pipes are arranged at the tops of the copper pipes; the top of each transmission pipe extends to the position above the shell; a condensation plate is arranged at the top of each transmission pipe; and a heat dissipation plate is arranged above the shell. The door control server is simple in structure, relatively low in cost, economic and practical, and can have relatively good heat dissipation performance; and elements in the door control server can be protected.

The invention belongs to the field of refrigeration devices and specifically relates to a working method of pork refrigeration equipment. The equipment comprises a cabinet; a top of the cabinet is hinged with a cover plate for sealing; multiple air pumps are installed at the bottom of the cabinet with intervals; the air pump is provided with a rubber pipe; the rubber pipe is provided with an air pipe therein; the air pipe is connected with an output end of the air pump; a top of the rubber pipe is provided with a ball; the circumferential surface of the ball is provided with a plurality of through grooves; the inside of the ball is provided with an expansion sleeve; a surface of the expansion sleeve is provided with a plurality of spurs in the through grooves, and the expansion sleeve is connected with the air pump; a refrigerator for cooling is provided at the upper portion of the side wall of the cabinet; a water tank is arranged in the side wall of the cabinet; a side wall of the cabinet is provided with a horizontal tube leading to the inside of the cabinet; the horizontal pipe is connected with the water tank, and an impeller driven by the motor is arranged between the horizontal pipe and the refrigerator; the edge of the impeller abuts the outlet of the horizontal tube. This program can avoid pork adhesion, prevent pork damage and keep pork moisture.

The invention discloses a rapid clothes dryer, and belongs to the technical field of drying equipment. The upper end of the rapid clothes dryer is a rack cover 5, the rack cover 5 is connected with alifting rack 4 through a connecting device, the lower end of the rack cover 5 is connected with an air pressure device 8, the lower end of the air pressure device 8 is connected with a piston 9, a rack is arranged at the lower end of the rack cover 5, an air collecting opening 13 is formed in the upper end of the rack 1, a condenser pipe 6 is arranged in an interlayer of the rack 1, a water collecting tank 15 is arranged at the lower end of the condenser pipe 6, an insulating plate 7 is arranged on the inner side of the rack 1, a stopping plate 11 is arranged on the bottom of the rack 1, a drying device 3 is arranged at the lower end of the stopping plate 11, the drying device 3 is provided with a heating resistance wire 12, a drying fan 14 is arranged at the lower end of the heating resistance wire 12, and is placed on a rotary wheel plate 15, and the whole device is placed on the base 2. The rapid clothes dryer is high in clothes drying efficiency; the time is short; and the energy is saved.

The invention provides a two-post pressurizing furnace. The pressurizing furnace comprises a furnace body, a furnace pipe, a furnace lining, a guide post, a top cylinder and a base, wherein the furnace lining comprises brick layers and fireproof fibre layers, the brick layers are located on one side adjacent to the furnace pipe, certain spaces between the brick layers in the furnace lining are used for fixing heating elements, so as to effectively prevent the heating elements from falling off in the working process; the fixing effect is better, so that the life of the heating elements can be prolonged. The two-post pressurizing furnace has the beneficial effects that the furnace lining is made from the brick layers and the fireproof layers, therefore, on the one hand, the service life of the heating elements can be effectively prolonged by the structure of the brick layers; on the other hand, the fireproof fibre layer can guarantee that the heat quantity in the whole inner furnace does not run off too fast, so as to play a role in saving energy to a certain degree.

The invention discloses a method for preserving, sprouting and cultivating gold-rimmed nanmu seeds. The cultivating method comprises the following steps: (1) collecting and treating the seeds; (2) preserving the seeds; (3) laying a seedbed; (4) sprouting; (5) sowing; (6) managing cultivation. According to the method, water and light are controlled in the whole process from the seed preservation to the cultivation management and a beneficial environmental condition is supplied for the sprouting growth of the gold-rimmed nanmu seeds. A water sprayer and a temperature control unit are adopted for guaranteeing the seed preservation and increasing the germination rate of the seeds in the reuse process; the sprouting is performed in a sprouting instrument, the comprehensive environment during sprouting is more effectively controlled and the germination rate of the seeds is increased; in the cultivation management process, the humidity, temperature and light are controlled, an excellent surviving environment is supplied and the survival rate is further increased.

The invention discloses an ameliorant combination suitable for secondary saline-alkaline soil in irrigation areas of the Yellow River. The ameliorant combination comprises, by weight, 120-180 parts of a soil loosening agent, 250-400 parts of citric acid residue, 160-200 parts of diatomite of 1,250-2,000 meshes, 120-160 parts of ammonium molybdate, 80-120 parts of sodium selenite, 30-60 parts of seaweed slag, 8-20 parts of straw ash, 800-1,200 parts of coconut residuum and 10-14 parts of microbes. The soil loosening agent is a mixture obtained by crushing peat, dry pine needle, vermiculite, natural zeolite and peanut shell according to the mass ratio of 5:3:1:2:1. According to the ameliorant combination suitable for secondary saline-alkaline soil in irrigation areas of the Yellow River, various nutritional ingredients are reasonably cooperated, and various components are combined mutually, influence each other and coordinate with each other. Then, soil secondary saline-alkalization caused by random fertilization can be avoided.