40results about How to "Meet the dosage" patented technology

The invention relates to a weak turbulence air purification system capable of regulating cleanliness. The system is provided with one or more fresh air units, a blowing ceiling, a return air processorand a central controller, wherein the one or more fresh air units is provided with a fan, a fresh air filter layer, a dehumidifying device and an air conditioning device; the blowing ceiling is provided with a filter module which is configured to diffuse input fresh air and return air, so that the fresh air and return air enter a medical room in a form of weak turbulence; the return air processorcomprises a return air filter device for purifying and filtering imported return air; and the central controller is configured to adjust the capacities, for example, blast capacity, cooling capacity,heating capacity, humidification amount and etc.) of various functional units of the air purification system manually or automatically according to the environmental requirements (for example, temperature, humidity, air speed, cleanliness, pressure difference of a filter and etc.) of the medical room (for example, operating rooms of various types). The invention also relates to a corresponding operating room capable of regulating the cleanliness.

The invention provides a cooling and conveying device, and belongs to the technical field of conveying devices. The cooling and conveying device comprises a tank, a spindle, a driving mechanism, a feed inlet, a discharge outlet and a cooling mechanism. Advancing blades are intermittently arranged on the spindle and comprise cavity matrixes and spiral blades, the spiral blades are arranged on the cavity matrixes, the cooling mechanism comprises a water inlet pipe, communicating pipes and a water outlet pipe, the water inlet pipe, the communicating pipes and the water outlet pipe are arranged in the spindle, and the water inlet pipe, the cavity matrixes and the water outlet pipe are sequentially communicated with one another via the communicating pipes. The cooling and conveying device has the advantages that the cooling and conveying device is novel in structure and reasonable in design and can be applied to mixing, conveying and cooling expanded ammonium nitrate explosive, the expanded ammonium nitrate explosive can be sufficiently mixed, products are good in free-running property and stable in quality, and good cooling effects can be realized.

The invention discloses an intelligent hot water distribution multi-user solar water heating system. The system comprises a solar heat collector, a water tank, user water-using terminals, a connecting water tank, a hot water output pipe of each user water-using terminal and a cold water input pipe of each user water-using terminal, wherein a first intelligent controller is arranged in front of each user water-using terminal; the water inlet end of the solar water collector is provided with a water level and water temperature sensor; the water tank is provided with a second intelligent controller; each intelligent controller comprises a microprocessor, a flow sensor, an electromagnetic valve, a temperature sensor, a display screen, a keyboard and a communication interface; the microprocessor is communicated with other components of the intelligent controller; and all intelligent controllers communicate with each other through a communication interface. The system has the advantages of remarkably enhancing solar energy utilization efficiency, reducing energy source consumption, meeting the requirement of most users in a user group on basic solar hot water amount to the maximum extent, allowing the users to set the hot water using mode and using amount of the system according to practical requirements, lowering system running difficulty and remarkably expanding the range of application.

The invention discloses a solar water heater. The solar water heater comprises a water storage tank, a heat collecting tube, a convex lens cover plate, a supporting base and a reflector plate, wherein a water inlet tube and a water outlet tube are arranged on the water storage tank; and the water storage tank made of metal is arranged inside a balcony. The heat collecting tube is a metal glass vacuum tube; and a panel is formed by jointing convex lenses, so as to quickly increase heat collecting efficiency. The water outlet tube and the water inlet tube which are respectively arranged above and below the heat collecting tube are connected with the water storage tank. The reflector plate, the heat collecting tube and the convex lens cover plate are fixed on the supporting base in sequence, and then, are arranged on the vertical surface of a building. The supporting base and the vertical surface of the building are provided with fasteners which are set to be hangers or bolts convenient to dismount. The solar water heater has the advantages of simple structure, convenience and quickness in use, and capability of improving the quick utilization rate of the solar energy.

The invention belongs to the field of genetic engineering and provides a double-label vector for expression, refolding and modification of a long-acting protein medicament and a method. The method comprises the following steps: constructing a pSumo-Intein plasmid vector, preparing a human SENP2 catalytic domain protein, constructing a pSumo-target DNA-Intein plasmid vector, expressing, refolding and purifying the pSumo-target DNA-Intein plasmid vector in expression host bacteria and the like to obtain a target protein. According to the double-label vector provided by the invention, two labels, namely Sumo and Intein are integrated into a same expression plasmid, and the advantages of the two labels can be simultaneously utilized to prevent degradation by a protease to the greatest extent during expression in colon bacillus. The double-label vector provided by the invention can be used for large-scale and low-cost implementation of purification and refolding of the protein medicament from the laboratory scale to the industrial production scale, high-throughput protein antigen expression and long-acting transformation of the existing protein medicaments.

The invention belongs to the technical field of veterinary chemical medicinal preparations, and particularly relates to a dimetridazole soluble powder and a preparation method thereof. The dimetridazole soluble powder is prepared from the following components in parts by weight: 18-22 parts of dimetridazole and 10-15 parts of hydrophilic carrier, and the balance of glucosum anhydricum or lactose anhydrous supplemented to 100 percent, wherein the hydrophilic carrier is one or more of PVP K30, poloxamer 188 and sodium lauryl sulfate. According to the dimetridazole soluble powder, the specific surface area of an insoluble medicine can be improved, and the wetting property can be increased, so that solubility of dimetridazole can be improved, the dissolving time is shortened, and the aim of clinical drinking water administration can be achieved. The dimetridazole has good bioavailability and good medicinal effect.

The present invention discloses a medicine dispensing box for medical nursing. The medicine dispensing box for the medical nursing comprises a medicine box body and spherical medicine pills, a storage chamber and six material discharge chambers are arranged in an inside of the medicine box body, the spherical medicine pills are placed in a chamber of the storage chamber, one ends, close to the storage chamber, of the six material discharge chambers all communicate with the storage chamber and the other ends are all exposed outside of the medicine box body, a chamber mouth of the storage chamber is screwedly connected with a sealing cover, the inside of the medicine box body uses a center of the medicine box body as a circle center and is radically slidably connected with six push buttons, the six push buttons are all exposed out an upper surface of the medicine box body, one sides of the six push buttons close to the storage chamber are all fixedly connected with springs, and end parts, far away from the push buttons, of six of the springs are all fixedly connected with an inner wall of the medicine box body. The above structures are cooperated, so that the medicine dispensing box is convenient for classification of dosages required by different patients and besides, the medicine dispensing process is quicker and more convenient.

The invention discloses a power-driven ridging cultivator. The power-driven ridging cultivator comprises a rack, a traction suspension bracket, a gearbox, a rear beam, a ridging ploughshare, a soil hacking cutter, a deep scarification shovel, land wheels, a front beam, cutter shafts, cutter holders, side plates and a drive mechanism; ridging is performed before soybean, corn or potatoes are sown,inter-cultivation is performed one week after deep scarification or 20-30 days after sowing, rice seedlings cannot be damaged, earthing-up cultivation operation is performed, and mechanical weeding isrealized while inter-cultivation is performed. After inter-cultivation operation is performed, soil is loosened and ventilated, the light area of a ridge body is enlarged, the appearance of the ridgebody is smooth and tidy, the tuber storage capability of a ridge surface is increased, the lodging-resistant capability of soybeans and corn is improved, exposure of green tubers of potatoes is avoided, growth and development of the tubers are facilitated, and the excellent yield-increasing effect is realized. The power-driven ridging cultivator can meet agronomic requirements of planting of potatoes, soybeans and corn; compared with conventional methods, the power-driven ridging cultivator has the advantages that the dosage of a herbicide is reduced, the production cost is substantially reduced, and the working efficiency is improved.

The invention relates to a pressurized topdressing gun injection fertilization method for cherry planting. The method comprises the following steps: equipment preparation and assembly: firstly, preparing a tricycle, a plunger booster pump, a fertilizer water storage tank, a high-pressure hose, a water inlet pipe, a topdressing gun, a soil sampler, a soil water content sensor and a soil nutrient tacheometer; one end of the high-pressure hose is connected with the water outlet end of the plunger booster pump, the other end of the high-pressure hose is connected with the topdressing gun, one end of the water inlet pipe with a filter screen is placed in a fertilizer storage tank, and the other end of the water inlet pipe is connected with the water pumping end of the plunger booster pump. According to the pressurized topdressing gun injection fertilization method for cherry planting, the topdressing gun is used for applying fertilizer into a fruit tree root system concentrated distribution layer for injection fertilization, the workload is small, time and labor are saved, and the method can be conveniently used in arid areas where water is difficult to use or orchards with small areas, uneven terrain and large fall; soil hardening and fertilizer loss caused by flooding irrigation can be avoided, fruit tree root systems are not damaged, and orchard soil structures are not damaged.

The invention discloses an asphalt mixture transportation method for an expressway. The asphalt mixture transportation method comprises the steps that the number of material transportation vehicles iscalculated, an advance route is determined, the material transportation vehicles are preheated, lubricant is sprayed, vehicles are loaded, heat preservation is conducted, transportation is conducted,and cleaning is conducted, the number of the material transportation vehicles is determined according to production capacity, transport time, consumption and the like of a mixing plant, safety reserve vehicles are increased, and occurrence of material stopping of paving is avoided. Material transportation vehicle pre-heating, lubricant spraying, heat preservation and other measures can minimize probability of segregation of an asphalt mixture, and the effects of improving the quality of asphalt pavement, prolonging the service life of the pavement, and lowering the cost of later maintenance are realized.

The invention relates to the technical field of ecological greenhouses, and especially relates to a six-in-one combined ecological greenhouse. The ecological greenhouse includes animal houses; one sides of the animal houses are provided with front greenhouses and rear cold sheds; one sides of the rear cold sheds are provided with workshops; and the lower parts of the animal houses are provided with methane generating pits. Energy conservation, water conservation, ecology and efficiency can be realized through the ecological greenhouse; the ecological greenhouse can enhance land utilization rates and increase planting and breeding indexes; the reducing of investment and the enhancing of output can be achieved by taking production standardization as measures; and therefore, the economic incomes of farmers can be increased, the living standard of people can be improved, the food quality and safety of urban and rural food baskets can be enhanced, and the ecological greenhouse is the ecological cycle facility agricultural engineering taking the maintaining of agricultural environmental safety as purposes.