67results about How to "Helps to rule out" patented technology

The invention discloses a wireless sensor network system used for toxic gas detection which is a self-organized multi-hop wireless sensor network system for toxic gas detection consisting of a large-volume toxic gas sensor, a large-volume wireless terminal and a wireless receiving terminal. The toxic gas sensor is responsible for signal acquisition and processing on the front end; the wireless terminal is matched with the toxic gas sensor, connected with a control unit through a RS-232 serial port, responsible for reporting the detection result of the toxic gas sensor matched with the wireless terminal, and makes relay forwarding for other wireless terminals around the wireless terminal; the wireless receiving terminal is responsible for the coordination of the system, the display and the storage of the detection state information of the sensor, makes multi-node information fusion to all the reporting data, analyzes the leakage source of toxic gas and the diffusion trend thereof, and is supplied through a wire DC power supply mode. The wireless sensor network system adopts a multi-hop relay forwarding mechanism, effectively overcomes the disadvantages that the wireless transmission has limited distance and is easy to block, and is suitable for various complicated application environments.

A provided preparation method of pet food comprises the steps: preparing a meat powder and smaller meat granules; adding carrots into a pet finished product, stirring uniformly; then adding dried sweet potatoes, stirring uniformly; and adding the meat powder and the smaller meat granules into the pet finished product which has been added with the carrot and the dry sweet potato, and stirring uniformly to obtain the pet food. By using the preparation method of the pet food, the phenomenon in the prior art is solved that the pet food losses nutrition when in high-temperature puffing, drying and spraying processes, and has the frosting surface in winter and the oil-flowed surface in summer; and the pet food prepared by using the method is helpful for digestion of pet intestinal tracts and provides a plurality of organic green nutrition for pets, and the palatability of the product is increased.

The invention relates to yttrium-stabilized zirconia ceramic nano-powder as well as a preparation method and application thereof; the yttrium-stabilized zirconia ceramic nano-powder is composed of Y2xZr1-2xO2-x, wherein x is more than 0 and less than 0.15; and the preparation method is characterized by comprising the following steps: (1), respectively weighing a metal ion salt solution containingZr<4+> and a metal ion salt solution containing Y<3+> according to a stoichiometric ratio ofY2xZr1-2xO2-x, and performing mixing to obtain a metal ion mixed solution; (2), adding the obtained metal ion mixed solution into a precipitant solution containing a dispersing agent, and fully performing stirring to obtain a precipitation solution, the precipitant being at least one of ammonia water, ammonium carbonate, ammonium bicarbonate and urea; and (3), aging, washing, drying and sieving the obtained precipitation solution, and performing calcining at 500-1500 DEG C for 1-10 hours to obtain the yttrium-stabilized zirconia ceramic nano-powder.

The invention relates to a grain-saving feed diluted enzyme additive and a preparation method thereof. The grain-saving feed diluted enzyme additive consists of rare earth chloride, rare earth nitrate, lignin enzyme, cellulase, hemicellulase, complex enzyme, medical stone, bentonite, talcum powder, zeolite, ferrous sulfate, manganese sulfate, zinc sulfate, copper sulfate, cobalt sulfate, calcium sulfate and sodium selenite. Lanthanide series light rare earth and enzyme are taken as main materials, Chinese medical stone is taken as a carrier, a proper amount of microelements is taken as feed additive, catalysis of the rare earth, degradation of the enzyme and nutrition functions of the microelements are combined according to optimal proportion. The feed made from the additive has rich nutrition, delicious flavor and high digestivity, and can increase yield factor of livestock and poultry by 6-8%, save 10-12% feed, reduce feed cost by 8-10%, and effectively improve product quality.

The invention discloses a sewage reuse purification system, and relates to the field of sewage purification. The sewage reuse purification system comprises a sewage purification device and a controller; the sewage purification device comprises a precipitating chamber and a purification chamber; a filter chamber is formed in the precipitating chamber; a first water inlet is formed in the filter chamber and provided with a sewer pipe; the sewer pipe penetrates through the top of the precipitating chamber to be connected to the first water inlet; evenly-distributed filter holes are formed in theside wall of the filter chamber; the precipitating chamber communicates with the interior of the filter chamber through the filter holes; and a water outlet is formed in the lower part of the precipitating chamber and provided with a water discharging pipe, and the other end of the water discharging pipe is connected to the purification chamber. According to the sewage reuse purification system, sewage is purified at multiple stages, the utilization degree of the purified sewage is increased, meanwhile, a sewage discharging structure is contained in a sewage purification device, and thus precipitate after sewage purification can be directly discharged.

The invention discloses a preparation method of an EVA elastomer. In a single polymerization kettle, ethylene and vinyl acetate carry out free radical copolymerization in a solvent in the presence of an initiator; the free radical copolymerization comprises a pre-polymerization phase, a chain propagation phase, and a chain termination phase; and the controlled pre-polymerization phase, the chain propagation phase, and the chain termination phase are performed at different temperatures to prepare the EVA elastomer. According to the method, the controlled pre-polymerization phase, the chain propagation phase, and the chain termination phase are performed at different temperatures, thus the chance of implosion is largely reduced; the temperature runaway of polymerization and initiator loss caused by once heating are relieved, the reactions of polymerization monomers carry out completely, higher monomer conversion rate and copolymerization yield can be obtained; the copolymerization speed is guaranteed, at the same time, the solid content of products is increased, and the VAc content of polymerization products is adjusted to produce EVA elastomer products for satisfying different needs.

The invention discloses non-chrome silver-based soldering flux and a preparation method thereof, and belongs to the field of soldering materials. The non-chrome silver-based soldering flux comprises, by weight, 39.0-41.0% of Ag, 29.5-31.5% of Zn, 2.5-3.5% of Sn, 1.3-1.7% of Ni, 0.1-0.2% of In, 0.05-0.1% of Co, 0.01-0.02% of graphene and the balance Cu and inevitable impurities. The soldering strength of the prepared soldering flux for stainless steel joints can reach 140 MPa, and the spreading performance and plasticity of the soldering flux are good.

The invention relates a bolt for vacuum equipment, comprising bolt head [01] and bolt body [05]. Outer thread [02] is set on the outer edge face of bolt body [05], one via hole [03] is opened in the bolt body [02] along the axial direction and one via hole [04] is set along the vertical direction with outer edge face of bolt body [05]. Axial air in the top between bolt and screw is removed conveniently by the axial via hole [03] and air between bolt and screw thread on the outer edge face of bolt is removed conveniently so as to help to obtain vacuum of vacuum equipment.

The invention discloses a diaphragm with dual-effects of reflecting and transmission and a manufacturing method thereof. The diaphragm comprises a reflecting layer, a pressure-sensitive adhesive layerand a release layer, and the pressure-sensitive adhesive layer is adhered with the release layer; the diaphragm further comprises a transmission layer adhered with the reflecting layer and adhered with the pressure-sensitive adhesive layer, and fine particles are arranged in the transmission layer. The transmission layer is arranged at a lower surface of the reflecting layer, the light intensityattenuation when irradiation light ray of an external lighting source irradiating from an upper surface of the reflecting layer penetrates the transmission layer arranged at the upper surface of the reflecting layer in the prior art is fundamentally solved, and the defect that the product is short in service life since the transmission layer on the upper surface of the reflecting layer quickly ages after being influenced by the light, the moisture, the temperature change and like external environment factors in the prior art is effectively solved; the reflected light intensity of the product is greatly improved, the service life of the product is effectively prolonged when the reflecting performance, the caution and identification effects of the product are effectively improved.

The invention discloses a cordierite-based glass ceramic combined silicon carbide ceramic material, which comprises a base material and a binding agent, wherein the base material comprises 10-30 wt% of cordierite-based glass ceramic powder and 70-90 wt% of oxidation pretreatment silicon carbide aggregate, the cordierite-based glass ceramicpowder is prepared from the following components in percentage by weight: 15-22 wt% of MgO, 20-25 wt%of Al2O3, 56-60 wt%of SiO2 and 1-3 wt% of Li2O, the oxidation pretreatment silicon carbide aggregate is prepared by performing oxidation treatment on silicon carbide aggregate at a temperature of 1000-1100 DEG C for 1-2 hours, and the use amount of the binding agent is 8-12wt% of the base material. The invention also discloses a preparation method of the cordierite-based glass ceramic combined silicon carbide ceramic material. According to the invention, cordierite-based glass ceramicis taken as a sintering aid, and cordierite crystals are added in a matrix in an in-situ synthesis manner, so that not only is a low-temperature sintering aid provided, but also the silicon carbide ceramic material with high density and low sintering temperature is obtained; and the method has important significance in improving the quality of the silicon carbide ceramic material and saving the product cost, and is beneficial to popularization and application progress and development of the industry technology.

The present invention relates to health-care drink and a preparation method thereof. The drink is prepared from the following raw materials in weight ratios: 23 kg of radix puerariae, 21 kg of fructus perillae, 18 kg of edible amaranth, 6 kg of radix polygoni multiflori, 18 kg of phyllanthus emblica fruits, 14 kg of poria cocos, 11 kg of flax, 17 kg of thesium chinense, 7 kg of ganoderma lucidum, 9 kg of semen euryales, 11 kg of prunella vulgaris, 20 kg of buckwheat, 8 kg of semen plantaginis, 13 kg of radix scrophulariae, 12 kg of folium ginkgo, 12 kg of radix isatidis, 10 kg of galium aparine, 8 kg of dysosma versipellis, 17 kg of zizania latifolia and 11 kg of semen ziziphi spinosae. The health-care drink supplements human body needed nutritional ingredients, can also reduce human body dietary amount, has certain inhibition treatment effects on high blood pressure, high blood sugar and high blood lipids, and has advantages of being low in costs, free of toxic and side effects, simple in method, good in use effect and rich in nutrition.

The invention discloses a method for preparing Nd: YAG transparent ceramic by using magnesium silicate as a sintering aid. During the preparation process, Nd2O3 powder, Y2O powder and Al2O3 powder are weighed in a stoichiometric ratio and 0.1-0.4% magnesium silicate is added in the powder; the powder is ball-milled and mixed, and then subjected to drying, sieving, dry pressing and isostatic cool pressing treatments to obtain a ceramic biscuit; the ceramic biscuit is sintered for 5-20 hours in vacuum at 1700-1800 DEG C to obtain a transparent ceramic sintered body; air pores are eliminated by a liquid phase generated by the sintering aid during the sintering process, and MgO in the sintering aid is capable of inhibiting the abnormal growth of crystalline grains. The method disclosed by the invention is capable of effectively improving the transparency of the Nd: YAG transparent ceramic.

The invention discloses an industrial Internet of Things server communication data processing system, and relates to the technical field of communication data processing. The problem that data reliability cannot be guaranteed is solved. The system specifically comprises a server, an information collection unit, a verification unit, a storage unit, a data processing unit, a data transmission unit and at least one terminal, wherein the server is a module for receiving a data request for target data and executing the data request; the signal output end of the information collection unit is electrically connected with the storage unit; the signal input end of the verification unit is electrically connected with the terminal and the storage unit, and the signal output end of the verification unit is electrically connected with the server. The information collection unit collects mechanical equipment data information and transmits the mechanical equipment data information to the storage unit; the storage unit detects and arranges the information, refuses invalid data information, regularly updates current actual accurate information of equipment, guarantees the accuracy of data processing, and facilitates the prediction and elimination of faults in the use process of the equipment.

The invention provides application of micron-grade bamboo resource vegetable carbon black in barley grass powder. By adding the micron-grade bamboo resource vegetable carbon black into the barley grass powder, the problems such as diarrhea caused by the barley grass powder are solved. A composition is prepared from, by mass, 10-11 parts of the barley grass powder, 1-2 parts of stevia rebaudiana powder, 1-2 parts of sucrose and 0.1-0.5 part of the micron-grade bamboo resource vegetable carbon black. By adding the bamboo carbon powder into the barley grass powder, discomfortable symptoms generated by diarrhea can be relieved, odor in feces is inhibited, intestinal weak acid bacteria are increased, and harmful bacteria are decreased; negative ions can be provided, generation of an active enzyme which is one of sickness reasons can be inhibited to achieve a health care effect, and digestion and impurity removal can be promoted.

The invention provides a traditional Chinese medicine composition curing allergic rhinitis and a preparation method of a fumigant of the traditional Chinese medicine composition. The traditional Chinese medicine composition is prepared from the following components in parts by weight: 10-20 of flos magnoliae, 10-20 of fructus xanthii, 10-20 of herba taraxaci, 10-20 of herba schizonepetae, 10-20 of radix saposhnikoviae, 5-15 of herba menthae, 10-20 of radix scutellariae, 10-20 of cortex moutan, 10-20 of flos chrysanthemi, 10-20 of cortex dictamni, 5-20 of rhizoma typhonii, 10-20 of ramulus cinnamomi and 3-12 of liquorice root. The traditional Chinese medicine composition is specially used for washing nasal cavity suffering allergic rhinitis. Clinical tests prove that the traditional Chinese medicine composition is safe and effective, and has the functions of dispelling wind and relieving itching, clearing heat and detoxicating, and inducing resuscitation and protecting nasal membrane.

The invention discloses a bimetal compounding method, and belongs to the technical field of bimetal composite casting. The method aims to solve the technical problems of low interface bonding strength, difficulty in control of solidification time and many casting interface defects in the bimetal casting compounding process. According to the technical scheme, the method comprises the following specific steps that S1, the surface of solid metal to be compounded is subjected to surface treatment; S2, the solid metal to be compounded is placed in a mold, a solid to be compounded is fixed to an ultrasonic vibration tool head, and ultrasonic vibration is applied to the solid metal to be compounded; S3, an ultrasonic vibration device is started, and the ultrasonic vibration tool head and the solid metal to be compounded generate ultrasonic vibration; S4, another kind of metal to be compounded is molten to 10-100 DEG C above the liquidus and then poured into the mold in the step S2, and the molten metal solution is compounded with the solid metal under the action of ultrasonic vibration; and S5, after the metal solution is solidified, the ultrasonic vibration device is stopped, and the product is cooled to room temperature to obtain a bimetallic composite material.

The invention discloses a medicine used for curing infantile malnutrition and its preparation method thereof. The medicine is prepared with small centipede herb, Clarias fuscus, Malus hupehensis, Coix lacryma-jobi L.var.monilifer Watt, negundo chastetree fruit, maggot, scabrid small hooked hedyotis herb, sugar cane juice and effective microorganism original liquid. The small centipede herb can dispel the wind, unchoke orifices, remove toxicity for detumescence, dissipate blood stasis, dislodge the nebula film and help to eliminate the infantile malnutrition according to the drug theory and long-term treatment experience. As the Clarias fuscus raises blood deficiency and prospers the male, it is suitable to treat the malnutrition caused by long-term illness and weakness. Coix lacryma-jobi L.var.monilifer Watt and maggot can clear heat and cool blood, strengthen the spleen, disperse food retention, kill parasites and especially treat the infantile and parasitic malnutrition with abdominal bloating and prominent veins. Malus hupehensis and scabrid small hooked hedyotis herb harmonize the stomach, strengthen the spleen and clear dampness, which can be applied in curing infantile malnutrition caused by dampness stagnation and accumulation with high efficiency.

The invention discloses a cordierite-based glass ceramic combined Al2O3-SiO2 system ceramic material, which comprises a base material and a binding agent, the base material comprises 5-30 wt% of cordierite-based glass ceramic powder, 10-60 wt% of mullite aggregate, 10-60 wt% of corundum aggregate, and 0-30 wt% of quartz aggregate; the cordierite-based microcrystalline glass powder is prepared from the following components in percentage by weight: 15 to 22 percent of MgO, 20 to 25 percent of Al2O3 and 25 to 60 percent of SiO2; and the use amount of the binding agent is 8-12wt% of the base material. In addition, the invention also discloses a preparation method of the cordierite-based glass ceramic combined Al2O3-SiO2 system ceramic material. According to the invention, cordierite-based microcrystalline glass is taken as a sintering aid, and cordierite crystals are added into an Al2O3-SiO2 system ceramic matrix in an in-situ synthesis manner, so that not only is a low-temperature sintering aid provided, but also the performance of the Al2O3-SiO2 system ceramic material is effectively improved; and the method has important significance in improving the quality of the Al2O3-SiO2 system ceramic material and saving the product cost, and is beneficial to popularization and application as well as progress and development of the industry technology.