38results about How to "Avoid cleansing effect" patented technology

The invention relates to a preparation method of bensulfuron methyl molecularly imprinted polymer and application thereof. The preparation method includes steps of dissolving one or more functional monomers and bensulfuron methyl in a solvent, respectively adding a crosslinking agent, an initiator and a dispersing agent, mixing and dissolving by supersonic wave, aerating N2 to protect, heating or using ultraviolet radiation to initiate polymerization reaction, eluting template molecule, and drying in vacuum to obtain the bensulfuron methyl molecularly imprinted polymer. The purification and enrichment effects of the bensulfuron methyl molecularly imprinted polymer to sulfonylurea herbicides is obviously better than present nonspecific C18 column, silica gel column, and magnesium silicate column, thereby increasing detection limit and sensitivity of analysis instrument.

The present invention relates to a production method of a sludge fertilizer. In the method, the collected sludge, straw of crops and wormwood are covered and piled together orderly, repeatedly and uniformly; the sludge is used for covering for 21 days until the inner temperature reaches to 25 to 40 DEG C; the mixture is naturally fermented; after being mixed well, the mixture is piled again and is enclosed by the sludge for 21 days for sedimentation and slaking; and the sludge fertilizer can be prepared after the mixture is turned over. In the method, the harmful sludge is adopted to product helpful fertilizer, thus changing the waste into valuable materials and solving the problem of environmental pollution caused by the sludge. The application of the straw of crops in the field facilitates the improvement of the ecological environment of the crops and the realization of development of sustainable and renewable energy. The wormwood, which is used as the fertilizer, has excellent quality of the fertilizer and is high-quality raw material that is used for preparing fertilizers in the northern part of China. The application of the wormwood is in particular suitable for the field that has been fertilized for a plurality of years. The method requires no power equipment or capital investment, and has the advantages of low cost and no pollution. Thus the method is a production method that can be used for preparing fertilizers of original ecology in the natural ecological environment, according to the lunar solar terms and the difference in various areas.

The invention provides a method for preparing building cementitious materials from ardealite by means of artificial quartzite slurry modification. The ardealite is industrial solid waste and is used as a main raw material for the building cementitious materials. The method includes drying and grinding the ardealite which is the industrial byproduct waste, uniformly mixing the ardealite, cement andindustrial byproducts such as slag powder and fly ash with one another to obtain mixtures, adding the mixtures into water and blending the mixtures and the water to obtain thick slurry; mixing silicafume with artificial quartzite slurry under high-speed stirring conditions and activating the artificial quartzite slurry; sufficiently mixing and homogenizing the thick slurry and the artificial quartzite slurry with each other, then adding polymeric aluminum and / or other aluminum salt and polycarboxylic acid water reducing agents into the thick slurry and the artificial quartzite slurry and uniformly stirring the polymeric aluminum and / or the other aluminum salt, the polycarboxylic acid water reducing agents, the thick slurry and the artificial quartzite slurry to obtain the plastic cementitious materials with short coagulation time and high strength and ardealite dosage. The silica fume is an industrial byproduct. The polymeric aluminum and / or the other aluminum salt are used as admixtures. The method has the advantages that the ardealite can be directly used after being dried and ground without earlier-stage purification and ageing treatment, accordingly, the production cycle canbe shortened to a great extent, and the cost can be reduced; the building cementitious materials are high in industrial solid waste mixing amount, the optimal industrial solid waste mixing amount canreach 80%, in other words, 80% of the traditional silicate cement can be replaced, and the method has important significance in saving resources, increasing the industrial solid waste comprehensive utilization rate and protecting environments.

The invention relates to the technical field of inorganic material preparation, in particular to a Mg6Al2(OH)18.4.5H2O nanosheet and a preparation method and application thereof. The method comprises the steps: with magnesium nitrate or magnesium chloride as a magnesium source, aluminum nitrate or aluminum chloride as an aluminum source and sodium hydroxide as an alkaline medium, back-dropwisely-adding a mixed solution of the magnesium source and the aluminum source rapidly added into a sodium hydroxide solution; and washing the obtained precipitate, re-dispersing the precipitate in water containing ethylene glycol, carrying out heat treatment in a microwave hydrothermal parallel synthesizer, carrying out hydrothermal treatment, putting the product into a microemulsion for preparing nano silicon dioxide, and heating to obtain the Mg6Al2(OH)18.4.5H2O nanosheet. The preparation method is special, reaction conditions are easy to control, raw materials are easy to obtain, reproducibility is good, and the prepared nanosheet is thin and good in dispersity and is expected to be applied to the fields of flame-retardant materials of plastics such as polypropylene and the like.

The invention provides a flexible recyclable material-based space consumption type heat dissipation working medium recycling method. The method specifically comprises the steps of (1) estimating mass of a required liquid working medium according to a peak heat load, working time, an adopted working medium type and a working temperature of a spacecraft heat control system; (2) according to a demand of a consumption type heat dissipation apparatus on a working backpressure, setting a highest working backpressure; based on the estimation of the mass of the working medium and the highest working backpressure, estimating the volume of a gas working medium generated by evaporation in a working process of equipment; (3) selecting a flexible material to design a space consumption type heat dissipation working medium recycling apparatus, and enabling the internal volume of the recycling apparatus in a natural extension state to be greater than or equal to the volume of the gas working medium; and (4) recycling a space consumption working medium by combined use of the working medium recycling apparatus and the space consumption type heat dissipation apparatus. Necessary technical guarantee is provided for application of a space consumption type heat dissipation method to a long-term space navigation task.

The invention discloses an air purifying system used for an operating room and a control method thereof. The air purifying system comprises a central controller, a data base, a pollution factor analysis unit, a risk analysis unit and an air purifying unit. The data base comprises a data extraction module. The pollution factor analysis unit comprises a sensor module and an analysis module. The air purifying unit comprises an air replacement module, an air purifying module and an air storage module. The control method of the air purifying system used for the operating room comprises the following steps of (1) sealing of the operating room and closing of a door of the operating room; (2) air pollution factor analyzing; (3) risk analyzing; and (4) air purifying. According to the air purifying system used for the operating room and the control method thereof, the air purifying system is redesigned, the air quality can be monitored, and risk results possibly caused by the air quality are analyzed so that air purifying can be implemented by medical workers according to the risk results conveniently, intelligent operating is realized, operation is convenient, and the problems of excessive purification and insufficient purification can be avoided. Meanwhile, the air purifying system provided by the invention is high in purification efficiency and pertinence.

The invention discloses a drinking water storage tank, which realizes the purposes of pollution prevention, filtering and water purification. The drinking water storage tank comprises an inner tank body and an outer tank body which are respectively provided with a communication port; a flow guide noise elimination spiral plate surrounding the inner tank body is arranged in a space formed by the outer wall of the inner tank body and the inner wall of the outer tank body; the inner edge and the outer edge of the spiral plate are respectively connected with the outer wall of the inner tank body and the inner wall of the outer tank body; and a water inlet is formed in the outer tank body, and a water outlet is formed in the inner tank body. The drinking water storage tank can substitute a mounted flow stabilizing tank required by a common water tank, and has good use effects on pollution prevention, filtering and water purification; and in addition, owing to the spiral plate arranged in the outer tank body, a certain noise pollution can be reduced during injecting water into the water storage tank.

The present invention relates to the field of environmental protection technology, and discloses a lime kiln that evenly adds lime and blows air evenly in intermittent motion. The main body of the lime kiln is equipped with a waste gas purification device, and the waste gas purification device is equipped with a runner and a purification bin inside. The wheel is connected with the rotating shaft three, the rotating shaft three is connected with the connecting rod two, the connecting rod two is connected with the air pressure plate, one end of the purification chamber is connected with the air intake pipe, and the other end of the purification chamber is connected with the air outlet pipe. In the lime kiln where lime is evenly added and blown evenly by intermittent movement, the exhaust gas enters the purification chamber from the intake pipe. Since the exhaust gas contains many impurities, it will naturally fall on the air pressure plate, and the air pressure plate will follow it in the purification chamber. Purify and extrude, then exhaust the exhaust gas from the outlet pipe, and the air pressure plate keeps reciprocating up and down at a constant speed with the continuous rotation of the runner to carry out work and exhaust, and achieve the purpose of purifying the air at a constant speed.

A process for filling a canister for an inhaler is provided. The canister may be filled with components of a medicament. The canister may be suitable for use in a pressurised metered dose inhaler, such as a breath-actuate inhaler. The process may include sealing the canister with air at ambient conditions. A filling device may dispense a pressurised liquid or gas into the sealed, air-filled canister through a metering valve. The pressurised liquid or gas may comprise at least a propellant. While pressure-filled canisters were previously purged with propellant immediately before sealing to remove the air, the present process may exclude the purging step.

The invention provides a method for recovering space-consuming heat-dissipating working fluid based on flexible and recyclable materials. The specific process is: (1) According to the peak heat load, working time, working medium type and working temperature of the spacecraft thermal control system Estimate the quality of the required liquid working fluid; (2) Set the maximum working back pressure according to the demand of the consumable cooling device for working back pressure; Estimate the volume of the generated gaseous working medium; (3) select a flexible material to design a space-consuming heat dissipation working medium recovery device, so that the internal volume of the recovery device in a naturally extended state is greater than or equal to the volume of the gaseous working medium; (4) The working medium recovery device is used in conjunction with the space-consuming heat sink to realize the recovery and reuse of the space-consuming working medium. The invention provides indispensable technical support for the application of the space-consuming heat dissipation method in long-term space missions.

The invention relates to a spent fuel storage module which is characterized in comprising a middle container (8) arranged in a storage module boundary and a fuel container (9) arranged in the middle container (8). The storage module boundary is formed by connected components of a storage module concrete structure (7) and a common channel wall (6). Spent fuel storage modules positioned at two sides of the common channel (1) communicate with the common channel (1) through fuel access channels (5) arranged on the common channel wall (6). The spent fuel storage module is suitable for two storage manners which are a dry storage manner and a wet storage manner, such that spent fuel storage modularization and unitization are realized. Also, an integral anti-shock design is adopted, such that accident risk is reduced. Long-time cooling of the spent fuel utilizes passive natural air convection, such that a risk of the loss of cooling capacity is greatly reduced, and nuclear power plant overall safety and economical efficiency are improved.

The invention relates to the technical field of preparation of inorganic materials, specifically a kind of Mg 6 al 2 (OH) 18 4.5H 2 O nanosheets and their preparation method and application. In the method, magnesium nitrate or magnesium chloride is used as a magnesium source, aluminum nitrate or aluminum chloride is used as an aluminum source, and sodium hydroxide is used as an alkaline medium. Quickly back drop into the sodium hydroxide solution, wash the obtained precipitate and redisperse it in the water containing ethylene glycol, after heat treatment in the microwave hydrothermal parallel synthesizer, then carry out the hydrothermal treatment, and then put it in the preparation of nano-dioxide Mg is obtained after heating in the microemulsion of silicon 6 al 2 (OH) 18 4.5H 2 O nanosheets. The preparation method of the present invention is special, the reaction conditions are easy to control, the raw materials are easy to obtain, and the reproducibility is good. The prepared nanosheets are thin and have good dispersibility, and are expected to be applied to the fields of flame-retardant materials such as polypropylene and other plastics.

The invention relates to a method for detecting royal jelly component migration quantity in a filter stick. The method includes the steps of firstly, determining a puff number; secondly, setting a required heating cavity temperature according to the puff number; thirdly, smoking; fourthly, analyzing components. The method has the advantages that purified air flow is used to perform elution, complex smoke component background interference generated during actual cigarette combustion is eliminated, the precision and accuracy of the detecting result are increased evidently, and complex sample purification and enrichment operation in the conventional analysis and detection of the components, migrating to smoke, of a specially perfumed filter stick is avoided. The method has the advantages thatthe equipment used by the method is simple in structure, the situation that conventional temperature consistency cannot reflect oral cavity smoking temperature is avoided, and influence of complex smoke is reduced.