122results about How to "Solve the smell problem" patented technology

The invention relates to the technical field of medical apparatuses, in particular to an intelligent control system for a nursing bed. The intelligent control system comprises a bed body controller for controlling motion of a bed body, an intelligent anus cleaner for controlling an intelligent closestool to work, and an intelligent detection module for detecting the motion state of the bed body of the nursing bed and the intelligent closestool; and the bed body controller, the intelligent anus cleaner and the intelligent detection module are fed-back and driven by virtue of an intelligent host. The intelligent control system disclosed by the invention is convenient to operate, and the intelligent control system has the capacities of achieving intelligent management and constant monitoring.

The invention discloses a biological deodorant for animal feeding and belongs to the field of feed additives. The biological deodorant for animal feeding is composed of an active ingredient and an auxiliary protection carrier, wherein the active ingredient comprises synbiotics, the weight proportion of the synbiotics to the auxiliary protection carrier is (25-35): (50-65), the synbiotics are compounds of probiotics and prebiotics, and the mass fractions of the probiotics and the prebiotics are 65-80% and 20-35% respectively. After the biological deodorant for the animal feeding is used for feeding animals, all the active ingredients are synergistic in animal intestinal tracts, and finally the aim of reducing or eliminating odour of animal excrements is foundationally achieved, so that the biological deodorant for the animal feeding has good popularization and application values.

Polymer composition comprising a heterophasic propylene copolymer, talc, an organic antioxidant, and a triazine derivative.

The invention discloses a preparation method of an ultraviolet-cured acrylic ester hot-melt pressure-sensitive adhesive. The ultraviolet-cured acrylic ester hot-melt pressure-sensitive adhesive for an adhesive tape is in the form of a non-solvent 100-percent hot melt adhesive, is mainly prepared from an acrylic ester series polymer, a photo-initiator component binding to a main chain of the polymer, and a tackifying resin which is adopted as required, can be cured rapidly under the radiation of ultraviolet C (the wavelength is 190 to 280 nanometers), has high heat resistance characteristic at the temperature of 120 to 140 DEG C, can be applied to industrial adhesive tapes, can be taken as a bonding agent for automobile heating components, has the characteristics of nontoxicity, safety, skin affinity and adjustable glass transition temperature, and can be applied in the field of sanitary and medical products. The ultraviolet-cured acrylic ester hot-melt pressure-sensitive adhesive can be coated under a high gram weight and at a high speed on the aspect of coating implementation; the problems of solvent explosion danger, solvent discharge and odor in the solvent type acrylic acid series pressure-sensitive adhesive are solved.

The invention discloses a fertilizer rich in nitrogen and phosphorus and a preparation method thereof. The fertilizer is prepared by using 1.4 to 1.7 parts by mass of magnesium hydroxide, 2.4 to 7.4 parts by mass of phosphate, water, 2.1 to 2.2 parts by mass of urea, 39 to 41 parts by mass of straw and 50 to 53 parts by mass of manure as raw materials and comprising the following steps of: (1) mixing the magnesium hydroxide and the phosphate with the water for preparing emulsion; (2) mixing the emulsion of step (1) and the urea with compost materials and then statically closing and fermenting for obtaining the fertilizer, wherein the compost materials are the straw and the manure; and the parts by mass of the straw and the manure are both dry weight. The fertilizer has simple operation and easy execution and is suitable for composting rubbish, manure and the like. By using the method for composting, nitrogen loss and odor are reduced, the fertilizer effect of composting products is increased, the fertilizer containing guano is finally obtained, and the composting quality is enhanced.

The invention relates to a medium temperature Alpha-amylase strain and a building method thereof. Bacillus subtilis AS 1.108 medium temperature Alpha-amylase gene obtained by PRC is cloned to bacillus subtilis expression plasmid pWB980 and is switched to WB600 to facilitate medium temperature Alpha-amylase to obtain high expression. The medium temperature Alpha-amylase gene has 1431 basic groups and codes 447 amino acids. The molecular mass of recombinase is 49.1KDa by SDS-PAGE detection, the optimal operation temperature and pH value are 60 DEG C and 6.0 respectively. The activity of the enzyme is about 2 times of the activity of the original strain, thus the problems of stink generated by the original strain and long fermentation period are solved. The method not only saves grains for industrial uses, reduces cost and provides better condition for deep processing of starch material, but also greatly reduces energy consumption and better suits industrialized production and application, thus having important economic benefits and obvious social benefits.

The invention relates to the technical field of medicine equipment, in particular to an excrete cleaning device for a nursing bed. The nursing bed comprises a bed, wherein the bed comprises a bed frame and a bed body; the bed body is arranged on the bed frame, and comprises a foot bed plate, a hip bed plate and a back bed plate which are sequentially and rotationally connected; the hip bed plate is provided with a nursing opening, an excrete door is arranged on the nursing opening, and the excrete cleaning device is arranged under the excrete door; an electric push rod is arranged on the bed frame and is used for controlling the lifting of the excrete cleaning device. The nursing bed is characterized in that a water conveying mechanism and a waste treatment mechanism are arranged on the bed frame, the water conveying mechanism is used for flushing the excrete cleaning device, and the waste treatment mechanism is used for discharging the wastes after the excrete cleaning device is flushed; the excrete cleaning device comprises a closestool and an urinal cover; a cleaning mechanism and a drying mechanism are arranged in the closestool, the cleaning mechanism is used for cleaning the lower part of a human body, and the drying mechanism is used for drying the lower part of the human body after cleaning. The nursing bed has the advantages that the structure is reasonable and simple, the function is strong, and the convenience in use is realized.

The invention provides a degassing technology capable of effectively removing the odor of high density polyethylene (HDPE). The polyethylene (PE) material particles with a certain particle size are steamed and inactivated by low-pressure steam in a steamer, are fluidized and dried by hot nitrogen in a fluidized drier, and are added with an auxiliary and the like to achieve the purposes of inactivating a catalyst, removing a catalyst oxide and effectively reducing volatile matters, so that the technology provided by the invention thoroughly solves the problem of the odor of a product, and remarkably improves the product quality.

The invention relates to a reinforced and scratch-resistant polypropylene material and a preparation method thereof, wherein the material is prepared from 70-95 parts of polypropylene, 30-5 parts of SiAlON, 0.1-0.5 part of a coupling agent, 0.1-1 part of a thermal stabilizer, 0-1 part of a lubricant, and 0-0.5 part of white oil, and the weight sum of the polypropylene and the SiAlON is 100 parts. According to the present invention, the one-dimensional beta-SiAlON adopted as the scratch-resistant agent is added to the polypropylene material so as to concurrently provide advantages of material scratch resistance enhancing and material strength increasing and overcome the disadvantage of the material scratch resistance reducing of the traditional reinforcing filling material; and the obtained reinforced and scratch-resistant polypropylene material is used in vehicle interior decoration materials, and does not have disadvantages of scratch-resistant agent precipitation, odor, appearance and the like compared to the traditional scratch-resistant agent adding material.

Resourceful treatment equipment for excrement and urine of a toilet comprises an excrement decomposing system, a microbial treatment system and an advanced oxidation system. The problems that excrement and urine sewage is directly drained into a sewer line, thus, water resources are wasted and the environment is polluted are solved effectively, and furthermore, the problems of wastewater recyclingand odor in an existing toilet are solved effectively.

The invention provides a low-peculiar smell bacitracin production bacillus licheniformis and a construction method and an application of the low-peculiar smell bacitracin production bacillus licheniformis. A ptb gene in a genomic DNA sequence of the bacillus licheniformis DW2 is knocked out through a genetic engineering method to obtain the bacillus licheniformis DW2deltaptb, and compared with the bacillus licheniformis DW2, the synthetic amounts of isobutyric acid and isovaleric acid of the bacterial strain are respectively reduced to 33% and 37% in the fermentation process of the bacitracin, and the peculiar smell is remarkably reduced.

A preparation method of a meropenem intermediate is disclosed. The method includes adding salicylamide and cyclohexanone into an organic solvent that is toluene; reacting the mixture under the function of a catalyst that is p-toluenesulfonic acid; then performing material centrifugation, rinsing and centrifugation until a product is dry to obtain white crystals; raising the temperature until the obtained material is dissolved; then adding an organic solvent that is toluene and a catalyst that is n-propylamine; then adding 2-chloropropionyl chloride dropwise and reacting the mixture until the reaction is finished; performing vacuum distillation to remove the toluene; performing centrifugation after crystallization; and after a centrifugation product is dry, discharging and drying. The moleratio of the salicylamide, the cyclohexanone, the p-toluenesulfonic acid, the n-propylamine and the 2-chloropropionyl chloride is 1:1.3-1.7:0.01-0.04:0.2-0.5:0.2-0.5. The salicylamide, the cyclohexanone and the 2-chloropropionyl chloride are adopted as raw materials, the p-toluenesulfonic acid and the n-propylamine are adopted as catalysts, the one-time product yield is 92.4% by reaction temperature control and material ratio control, and the mother liquor recovery rate is 5%.

The invention discloses a hydrothermal or pyrohydrolysis tail gas resource utilization system, which comprises a slurrying reactor, an anaerobic reactor, a biogas cabinet and a desulfurizing tower, wherein the slurrying reactor is communicated with the anaerobic reactor, the anaerobic reactor is communicated with the biogas cabinet, the biogas cabinet is communicated with the desulfurizing tower,a waste gas condenser and a steam-water separator are arranged between the slurrying reactor and the anaerobic reactor, the waste gas outlet of the slurrying reactor is connected with the gas inlet ofthe waste gas condenser, the gas outlet of the waste gas condenser is connected with the gas inlet of the anaerobic reactor, a check valve is arranged between the gas outlet of the waste gas condenser and the gas inlet of the anaerobic reactor, and the gas inlet of the anaerobic reactor is lower than the working liquid level of the anaerobic reactor. According to the invention, the hydrothermal waste gas of an anaerobic reaction needing heat is directly connected with an anaerobic reactor, and the hydrothermal waste gas of an anaerobic reaction doing not need heat passes through a waste gas condenser and a steam-water separator and then is connected with the anaerobic reactor.

The invention provides a method for reclaiming desert or desertified soil through utilizing sludge. The method comprises the following steps: digging a ditch or a pit region: digging the ditch or the pit region by guaranteeing that the depth is smaller than or equal to 3m, the width is 3m-5m and the coverage area is 10%-40% of a needed reclaiming area; backfilling the sludge: backfilling the sludge into the ditch or the pit region to form a sludge backfilling region, wherein the backfilling depth of the sludge is smaller than or equal to 3m; covering sandy soil: covering the sandy soil on the surface of the sludge, wherein the thickness of a covering layer is 10cm-30cm; and planting plants: planting the plants above and at the periphery of the sludge backfilling region to form a protection forest planting region, and enabling roots of the plants to extend toward the sludge backfilling region, so as to realize soil reclamation. The method provided by the invention adopts sludge backfilling and the desertified soil is treated by wastes; the sludge has a good water holding capacity and a good fertilizer effect; and measures that the sandy oil covers a sludge layer, suitable grass is planted on the sludge backfilling region, soil improvement is carried on the sandy soil covering layer and a surface layer of a region which is not backfilled, and the slope of the region which is not backfilled is adjusted are adopted, so that the effect of alleviating water loss and soil erosion is realized.

The invention relates to the field of sanitary equipment, in particular to a positive and negative pressure composite-type pneumatic toilet flushing system, which comprises a PLC (programmable logic controller) control cabinet, a vacuum and compressor machine room system, a gas and dirt separating system and a toilet flushing control system, wherein a control vacuum pump and an air compressor of the vacuum and compressor machine room system work in accordance with a logic program in a mode of being connected to the PLC control cabinet. The toilet flushing system disclosed by the invention has the beneficial effects that the toilet flushing system can save water consumed in toilet flushing, solve the problem of odor dissipation and simplify application conditions.

The invention relates to an efficient zirconium phosphate deodorant and deodorization polyurethane. The efficient zirconium phosphate deodorant is prepared by the following steps of mixing nano zirconium phosphate, glycerol monolaurate and ethanol, and uniformly stirring to obtain modified zirconium phosphate; and then mixing the modified zirconium phosphate with nano titanium dioxide, tungsten sol, a compatilizer and a dispersing agent, and performing heating and stirring to obtain the efficient zirconium phosphate deodorant. The efficient zirconium phosphate deodorant is added into a polyurethane spinning solution, and the deodorant polyurethane is obtained through stirring, curing and dry spinning. The deodorant polyurethane is high in strength, is improved in air permeability, can be widely applied to various products such as outerwear, underwear, socks, sportswear, bandages and paper diapers, and has relatively good market application prospects.

Disclosed are an assembled folding feces and urine separation toilet bowl and a use method thereof. The assembled folding feces and urine separation toilet bowl comprises a toilet bowl surface, a feces pool supporting bag, a toilet bowl opening, a rotating shaft, a feces supporting frame, a urine supporting frame, a cushion, four supporting legs, four mounting holes and a urinal supporting bag, the toilet bowl surface is of an axially symmetric structure, and the four mounting holes are used for fixing the supporting legs. A urine bag sleeves a urinal supporting frame, urination can be finished, and the urine bag and a feces bag sleeve a urinal and a feces pool supporting frame respectively, so that defecation can be finished. The urine bag is packed after urination, the packed feces bag, toilet paper and disinfectant tissues are placed into an outer feces bag containing adsorbing agents after defecation, the outer feces bag is sealed, and bagged feces and urine can be stored for a long time and can be used for producing fertilizers, biological products, feed, methane and the like. Water and a special space are omitted, and the toilet bowl is small in size, light in weight, convenient to convey and distribute and simple to use and can be directly used for a family without a toilet, an earthquake stricken area, a flood stricken area and emergency water failure.