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31results about How to "Help eliminate" patented technology

Method for enriching high density anaerobic ammonia oxidizing bacteria in sewage nitrogen removing system

The invention discloses a method for enriching high density anaerobic ammonia oxidizing bacteria in a sewage nitrogen removing system. The method comprises following steps: (1) collecting nitrification sludge that contains floras of anaerobic ammonia oxidizing bacteria, preparing an active sludge solution, inoculating the solution to an enrichment medium, and carrying out nitrification domestication until the ammonia nitrogen conversion rate is not less than 80%; (2) inoculating the domesticated sludge to a reactor, adding a macroporous polyurethane filler, matrix ammonia nitrogen, and nitritenitrogen into the reactor, and starting the anaerobic ammonia oxidizing reactor at a low matrix concentration; (3) increasing the addition amount of matrix, and starting the anaerobic ammonia oxidizing reactor at a medium-high matrix concentration; and (4) increasing the addition amount of matrix, and enriching the high density anaerobic ammonia oxidizing bacteria. The macroporous polyurethane filler can provide a micro-aerobic environment for anaerobic ammonia oxidizing bacteria and can adapt to the agglomeration growth characteristics of anaerobic ammonia oxidizing bacteria; bacteria such as AOB, NOB, etc. can be eliminated, and high purity anaerobic ammonia oxidizing bacteria with high abundance can be obtained.
Owner:RENMIN UNIVERSITY OF CHINA

Complex scene video shadow detection and elimination method

The invention discloses a view screen shadow detection and elimination method based on depth information. The method comprises the following steps: firstly, estimating normal information and point cloud position information of each pixel point by utilizing depth information of an image; comparing the feature similarity between each pixel point and a spatio-temporal local neighborhood pixel point in a video stream of each pixel point to estimate the shadow confidence value of each pixel point, further optimizing the shadow confidence by using a Laplace operator to obtain a final shadow detection result, and finally constructing an illumination recovery optimization equation based on a video stream by using the shadow detection result to obtain a final shadow elimination result. The method has the advantages that the interference of texture information on shadow detection is effectively reduced through texture filtering, the initial shadow confidence coefficient is optimized through a Laplace operator, a more perfect shadow detection result is obtained, shadows are eliminated through chrominance constraints and correlation between a front frame and a rear frame, and chrominance invariance and inter-frame continuity of the result can be effectively guaranteed.
Owner:WUHAN UNIV

Low-temperature heat-seal acrylic emulsion and preparation method thereof and application thereof

The invention provides a low-temperature heat-seal acrylic emulsion and a preparation method of the low-temperature heat-seal acrylic emulsion. The preparation method comprises the steps of adopting seeded emulsion polymerization and adding a defined amount of microcrystalline wax before a vacuum degassing and absorbing after-treatment. The parts of the components by weight are 100 parts, including 25 parts of monomer mixture which comprises 75-90 percent of crylic acid -2- ethyl acid ester, 5-20 percent of acrylonitrile and 5-10 percent of methacrylic acid, an initiating agent which comprises organic peroxides, methanal and sodium hydrogen sulfate, a mixed emulsifying agent which comprises a non-ionic surface active agent and secondary chain alkyl sodium sulfonate, a seeded emulsifying agent which comprises secondary chain alkyl sodium sulfonate and MA-80, an auxiliary agent which comprises ammonium acetate and ferrous chloride, and a potential of hydrogen (PH) conditioning agent. The heat-seal temperature of the low-temperature heat-seal acrylic emulsion is 40-48 DEG C. The low-temperature heat-seal acrylic emulsion is good in stability, good in particle evenness, and good in heat-seal evenness. The preparation method of the low-temperature heat-seal acrylic emulsion is used for high-speed packaging of food such as candies and chocolates with the requirement of low temperature and heat seal.
Owner:HAINAN BNK WATER BASED NEW MATERIAL CO LTD

Mosquito eradication device and method for air conditioner and air conditioner

The invention relates to a mosquito eradication device and method for an air conditioner and the air conditioner. The mosquito eradication device comprises a mosquito eradication unit and a mosquito lure unit. The mosquito eradication unit is provided with a high-voltage power grid used for killing mosquitoes through electric shock after being powered on; the mosquito lure unit is provided with a lure optical source and used for attracting the mosquitoes to be close to the mosquito eradication unit. The lure optical source is arranged in the mosquito lure unit, for example, the lure optical source is purple or the lure optical source is an optical source, with other wavelengths, capable of luring the mosquitoes, by using the phototaxis of the mosquitoes, the mosquitoes are attracted to the mosquito eradication unit, the mosquito eradication unit instantly kills the mosquitoes close to the high-voltage power grid through electric shock, just through a physical process, the mosquitoes are killed, the device is easy and quick to operate and free of harm to the human body, the unnecessary trouble for a user is reduced, and the comfort and rest and sleep quality of the user can also be improved. Through optimization arrangement of the positions of the mosquito lure unit and the mosquito eradication unit, additional arrangement of a detachable mosquito storage net disc and the like, the probability of eliminating the mosquitoes is conveniently increased, the mosquitoes are conveniently collected and treated, and the comfort and satisfaction degree of the user are further improved.
Owner:NINGBO AUX ELECTRIC +1

Low-temperature heat-seal acrylic emulsion and preparation method thereof and application thereof

The invention provides a low-temperature heat-seal acrylic emulsion and a preparation method of the low-temperature heat-seal acrylic emulsion. The preparation method comprises the steps of adopting seeded emulsion polymerization and adding a defined amount of microcrystalline wax before a vacuum degassing and absorbing after-treatment. The parts of the components by weight are 100 parts, including 25 parts of monomer mixture which comprises 75-90 percent of crylic acid -2- ethyl acid ester, 5-20 percent of acrylonitrile and 5-10 percent of methacrylic acid, an initiating agent which comprises organic peroxides, methanal and sodium hydrogen sulfate, a mixed emulsifying agent which comprises a non-ionic surface active agent and secondary chain alkyl sodium sulfonate, a seeded emulsifying agent which comprises secondary chain alkyl sodium sulfonate and MA-80, an auxiliary agent which comprises ammonium acetate and ferrous chloride, and a potential of hydrogen (PH) conditioning agent. The heat-seal temperature of the low-temperature heat-seal acrylic emulsion is 40-48 DEG C. The low-temperature heat-seal acrylic emulsion is good in stability, good in particle evenness, and good in heat-seal evenness. The preparation method of the low-temperature heat-seal acrylic emulsion is used for high-speed packaging of food such as candies and chocolates with the requirement of low temperature and heat seal.
Owner:HAINAN BNK WATER BASED NEW MATERIAL CO LTD

Chinese medicinal herb pillow

The invention discloses a Chinese medicinal herb pillow.The Chinese medicine herb pillow comprises 0.5-1.5 parts of Cortex albiziae, 0.5-1.5 parts of Radix scutellaria, 2.5-3.5 parts of Herba houttuyniae, 0.5-1.5 parts of Radix polygalae, 2.5-3.5 parts of Semen cassiae, 0.5-1.5 parts of Radix notoginseng, 0.05-0.15 part of Tibetan saffron, 1.9-2.9 parts of Gerbera piloselloides and 0.5-1.5 parts of Liaodiaozhu.A mode of administration to human body through external contact and a mode of administration by bringing into the human body through breathing are combined, thereby being interactive and complementary.A proper amount of volatile matters can be contained in medicine and can be brought into the human body through breathing to play a role in smelling aroma to remove diseases.In addition, a portion below the back of the head to a Dazhui acupoint of the human body contacts with the medicinal pillow directly, the medicine in a pillow core continuously acts on collaterals, meridians and acupoints of the head, treatment is realized unconsciously, collaterals and meridians of the human body can be dredged, qi and blood can be circulated, and elimination of inflammation is facilitated; the Chinese medicinal herb pillow has good treatment effect on physical symptoms like headache and insomnia, dizziness and red eyes, weakness and nausea and vomiting, neck-shoulder soreness and palpitation and anhelation.
Owner:梁荣桂

Hardware mechanical part rust prevention device capable of conveniently removing bubbles

The invention relates to the technical field of hardware machinery, and discloses a hardware mechanical part rust-proof device convenient for removing bubbles, the hardware mechanical part rust-proof device convenient for removing bubbles comprises a sliding frame, the front end of the sliding frame is movably connected with an adjusting mechanism, and the lower end of the adjusting mechanism is fixedly connected with a positioning mechanism. According to the hardware mechanical part rust prevention device facilitating bubble removal, hardware mechanical parts are limited through the abutting plate capable of being fastened in an opening and closing mode, multiple sets of positioning mechanisms are designed in a matched mode, all the parts can be kept stable and do not interfere with one another in the oil immersion process, and a driving gear is matched to drive a transmission gear to continuously rotate; the bearing strip part can transversely reciprocate under the limitation of the first connecting rod and the second connecting rod, and is matched with the reciprocating deformation of the hinging frame, so that the positioning mechanism moves up and down, and the part can transversely fluctuate to be in full contact with oil and eliminate bubbles on the surface; and therefore, the stability of the hardware part during oil immersion operation is effectively improved, and the oil immersion quality of the part is improved.
Owner:徐州晨晓精密机械制造有限公司

Energy-saving and environment-friendly solid waste treatment equipment used at water outlet in sewage pool

The invention relates to the technical field of sewage treatment, in particular to energy-saving and environment-friendly solid waste treatment equipment used at a water outlet in a sewage pool. The inner wall of a shell is movably connected with a guide rod through a spring, and one end of the guide rod is fixedly connected with a threaded rod; a reset spring is fixedly connected to one end of the threaded rod and located on the inner wall of the shell, a bearing rod is fixedly connected to one end of the outer surface of the guide rod, a drainage port is formed in one side of the bearing rod and located at the bottom of the sewage pool, and a first gear is engaged with one side of the threaded rod; a rotating shaft of the first gear is movably sleeved with a first belt, one end of the first belt is movably sleeved with a first rotating shaft, the portion, extending to the outer side of a protection frame, of the outer surface of a second gear is fixedly connected with a supporting rod, and one end of the supporting rod is fixedly connected with a dredging wheel; and in the rotating process of the dredging wheel, the effect of dredging blockages around the water outlet is achieved, and the situation that sewage in the sewage pool overflows and pollutes the environment is avoided.
Owner:温州腾骄环保科技有限公司

Protecting device for collecting garbage in lake water

The invention discloses a protecting device for collecting garbage in lake water. The inner side of a floating rod is filled with a cork stopper; fixing rings are installed at the two ends of the corkstopper through screws; the floating rod is wrapped with foamed plastic; the fixing rings penetrate through the foamed plastic; bactericide boxes are suspended below the fixing rings through connecting rods; openings are formed in the side surfaces of the bactericide boxes; a plurality of connecting lugs are disposed below the foamed plastic; three rows of protecting nets are tied below the connecting lugs through connecting ropes; three rows of fish passing nets are tied below the protecting nets through connecting ropes; meshes of the fish passing nets are larger than those of the protecting nets; a sedimentation rod is tied below the fish passing nets through connecting ropes; and a plurality of tying grooves are formed in the surface of the sedimentation rod. By cooperation of the protecting nets in three rows and the fish passing nets in three rows, the structure is firm, the fish school can pass conveniently while the garbage is stopped, and meanwhile by means of the bactericideboxes on the two sides, bacteria and parasites which are bred nearby the garbage can be eliminated advantageously.
Owner:天津荣昇环保科技有限公司

Nerve-soothing agilawood tea

The invention discloses nerve-soothing agilawood tea, and relates to the technical field of agilawood tea, and particularly relates to nerve-soothing agilawood tea. The nerve-soothing agilawood tea ismainly prepared from the following raw materials in parts by weight: 60 to 100 parts of agilawood leaves, 5 to 13 parts of Chinese angelica, 3 to 7 parts of lily, 5 to 13 parts of spina date seeds, 3to 7 parts of lotus seeds, 3 to 7 parts of poria cocos, 2 to 6 parts of rehmannia, 4 to 12 parts of medlar, 3 to 7 parts of red dates, 2 to 6 parts of cortex moutan, 3 to 7 parts of jasmine flowers,5 to 13 parts of liquorice, 3 to 7 parts of vine of multiflower knotweed, 1 to 3 parts of ginseng and 10 to 24 parts of honey. The nerve-soothing agilawood tea has the advantages that the agilawood tea leaves mainly contain rich trace elements, vitamins and the like; the normal life activity of the body is maintained; the adverse factor elimination is facilitated; the aging prevention is facilitated; the arrhythmia can be resisted; a good treatment effect is achieved on a patient with myocardial ischemia; the cardiovascular and cerebrovascular diseases are improved; the atherosclerosis and thelike are prevented; the effects of calming the mind and relieving asthma are achieved; a good treatment effect is achieved on an asthma patient; and the blood circulation can also be improved.
Owner:刘志强

A shadow detection and elimination method for complex scene video

ActiveCN110349099BReduce distractionsGuaranteed continuity between framesImage enhancementImage analysisPattern recognitionShadowings
The invention discloses a view screen shadow detection and elimination method based on depth information. The method comprises the following steps: firstly, estimating normal information and point cloud position information of each pixel point by utilizing depth information of an image; comparing the feature similarity between each pixel point and a spatio-temporal local neighborhood pixel point in a video stream of each pixel point to estimate the shadow confidence value of each pixel point, further optimizing the shadow confidence by using a Laplace operator to obtain a final shadow detection result, and finally constructing an illumination recovery optimization equation based on a video stream by using the shadow detection result to obtain a final shadow elimination result. The method has the advantages that the interference of texture information on shadow detection is effectively reduced through texture filtering, the initial shadow confidence coefficient is optimized through a Laplace operator, a more perfect shadow detection result is obtained, shadows are eliminated through chrominance constraints and correlation between a front frame and a rear frame, and chrominance invariance and inter-frame continuity of the result can be effectively guaranteed.
Owner:WUHAN UNIV

Method for measuring deviation between mechanical center of rectangular beam transmitting device and beam center

The invention discloses a method for measuring the deviation between the mechanical center of a rectangular beam emitting device and the beam center, including the following steps: a vertical plate, asecond support system and a laser leveler are set; the anterior-posterior shaft of a rectangular beam emitting device is fixed on the second support system; with the plane where the center line of the anterior-posterior shaft of the rectangular beam emitting device is located as the mechanical center, the laser horizontal line of the laser leveler is projected to the anterior-posterior shaft, andthe height of the anterior-posterior shaft is adjusted to make the center line of the anterior-posterior shaft all on the laser horizontal line; the rectangular beam emitting device emits a rectangular beam and projects the rectangular beam to the vertical plate, the beam center is measured by measuring the upper and lower edges of the rectangular beam, and the beam center and the laser horizontal line are compared to obtain the deviation between the mechanical center of the rectangular beam emitting device and the beam center. The measuring method is convenient to operate, and the equipmentis simple. The deviation between the mechanical center of the rectangular beam emitting device and the beam center can be effectively measured. The method is of great significance to improving the performance of the rectangular beam emitting device.
Owner:HUBEI JIUZHIYANG INFRARED SYST CO LTD

Machine for treating common cold

The invention discloses a machine for curing cold, including a shell, an outlet grid, an inlet grid and a fan. The upper end of the outlet grid is connected with a fan cover; the bottom of the shell is provided with a power supply coupling end. The machine is characterized in that an air channel is arranged in the shell between the outlet grid and the inlet grid; the middle part of the air channelis fixedly provided with a ceramic heating element through a support; the top of the air channel is connected with a hygrosensor; the shell outside the air channel is internally provided with a negative-ion generator; the outlet grid is provided with a negative-ion jet orifice; an insulating layer is arranged between the air channel and a rear shell slab; a circuit wafer which is used for controlling and adjusting time, wind speed and temperature is fixedly arranged between the air channel and a frontal shell slab the middle part of which is embedded with a liquid crystal display. The machineprovided by the invention is reasonable in design, novel in structure, elegant in form, and convenient for carrying and using without any toxic or side effects. Besides, the machine improves the curative effect to cold, particularly suitable for pregnant women, children and the elderly, being novel physiotherapy equipment for curing cold.
Owner:山东正基宏景医疗器械有限公司

Polyvinylidene chloride copolymer emulsion for pharmaceutical packing coating and preparation method and application thereof

The invention provides polyvinylidene chloride copolymer emulsion for pharmaceutical packing coating and a preparation method and application thereof. The copolymer emulsion is manufactured by adopting of seeded emulsion polymerization and adding of microcrystalline wax in the process of vacuum desorption, and parts by weight of components of the copolymer emulsion is calculated by 100 parts including 50 parts of monomer mixture, initiating agent, seeded emulgator and mixed emulgator. The monomer mixture comprises 90-94% vinylidene chloride, 3-5% crylic acid-2-phthalic acid ester, 2-5% metacrylic acid ester monomer and 0.2-1.5% methylacrylic acid, the initiating agent comprises organic peroxides and sodium formaldehyde sulfoxylate, the seeded emulgator comprises sodium dodecyl benzene sulfonate and non-ionic emulsifier, and the mixed emulgator comprises two different secondary chain alkyl sulfonates. The obtained pharmaceutical packing coating is good in separation performance (west separation and oxygen separation), low in vinylidene chloride residuals, and low in cost, a quality guarantee period of pharmaceutical packing reaches 3 years and is up to an international standard of plastic uptake drug packing, copolymer emulsion stability is good, and a quality guarantee period of the emulsion is more than two years.
Owner:HAINAN BNK WATER BASED NEW MATERIAL CO LTD

Method for preparing modified foamed fluoroplastic polymer composite cable

The invention discloses a method for preparing a modified foamed fluoroplastic polymer composite cable, comprising the following steps of: (1) preparation of an insulating material: placing organic silicon resin, sodium aluminum silicon titanium glass, magnesium oxide, an anti-aging agent, calcium carbonate, a high-boiling-point plasticizer, an anti-ultraviolet radiation agent and a silane coupling agent WD-50 which are weighed proportionally in an internal mixer; uniformly stirring and mixing the previous materials for 2 to 3 hours to form mixed rubber; before mixing, performing high-temperature processing on the assistant agents which are liable to absorb moisture such as magnesia and calcium carbonate; after the internal mixer mixes the mixed rubber, enabling a single-screw extrusion molding machine to perform extrusion molding at an extrusion temperature of 120 to 130 degrees centigrade; and obtaining a solid A in a baking oven after the extrusion. The preparation method improves the original defects of the composite material by vulcanizing the cable material, enhances the wear resistance, swelling resistance and heat resistance of the cable. The high-temperature processing agent can reduce air bubbles in the vulcanized rubber and improves the quality of the cable before the mixing.
Owner:YANGZHOU YAGUANG CABLE

Environment-friendly irrigating equipment using animal waste and operating method thereof

The invention discloses an environment-friendly irrigating equipment using animal waste and an operating method thereof. The environment-friendly irrigating equipment comprises a collecting chamber, afermenting chamber, conveying mechanisms and a control mechanism; the control mechanism comprises a processor, a driving device and a storage device; the storage device is used for storing waste treatment data; the collecting chamber includes a plurality of collecting units; the fermenting chamber is communicated with the collecting chamber through a connection hole; the connection hole is provided with a first electronic control valve; the fermenting chamber comprises a plurality of fermenting units in one-to-one correspondence with the collecting units; each fermenting unit includes a suspended matter concentration meter, a temperature sensor, a heating device and a fermenting agent feeder, the suspended matter concentration meter is used for detecting a concentration of waste water inthe fermenting unit, the temperature sensor is used for detecting the temperature of the waste water in the fermenting unit, the heating device is used for heating the waste water in the fermenting unit, and the fermenting agent feeder is used for feeding a waste fermenting agent; the conveying mechanisms are communicated with the fermenting units and also connected with the driving device to discharge fermented waste.
Owner:钱月英
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