11699results about How to "Avoid churn" patented technology

The invention discloses a revegetation system on steep rocky slopes and an implementing method thereof, which are suitable for surface vegetalization of steep rocky uncover slopes with the gradient of 60 degrees above. A slope drainage system is arranged in the system to prevent the vegetalization layer from being flushed by rainwater and reduce water loss and soil erosion; a mix-sprayed vegetalization layer plastic-covered with iron wire corrugated meshes and consisting of continuous fiber is arranged on the slopes and has stable structure, rich nutrition and functions of water conservation and ventilation. The casting separator prevents the mix-sprayed vegetalization layer from sliding downwards; and a drop irrigation facility is distributed to make sure that the vegetalization layer is moist. After maintenance of mix-sprayed construction on the slopes, the vegetable layer with herbaceous plants and shrubs can be effectively formed, thereby reconstructing the destructed vegetables on the slopes and recovering the natural landscapes on the uncover slopes.

The invention relates to a catalyst compound and relative preparation. Wherein, said compound comprises NixWyO2 compound oxide and MoO3, whose mass ratio is 1:10-10:1, and they are 40-100% of total mass. The inventive preparation comprises that using share deposition method to prepare the forward body of NixWyO2 compound oxide, to be mixed and beaten with MoO3; filtering, shaping and activating. The invention can adjust the cooperation between different metals, to obtain high property, with simple method and low metal loss. And the inventive catalyst is used in deep hydrogen process of hydrocarbons material.

The invention discloses an edible biological preservative film and a preparation method thereof. The edible biological preservative film comprises the following components in parts by weight: 30-60 parts of a film former, 1-10 parts of a natural antioxidant, 1-10 parts of a natural bacterial inhibitor, 1-4 parts of a plasticizer and 0.5-4 parts of an emulsifier. The preparation method comprises the following steps: mixing the components in proportion to form preservative film liquid, and preparing the preservative film by adopting a tape-casting process. According to the preservative film, excellent film forming performances of materials such as marine polysaccharides, chitosan, gelatin and the like are utilized, the natural antioxidant and the natural bacterial inhibitor are selected and used, and the modification process is carried out through the plasticizer, the emulsifier and the like, so that the prepared preservative film is good in mechanical property, delays the spoilage of an aquatic product and can effectively prolong the shelf life of the aquatic product.

The invention relates to a smokeless air fryer which finishes the cooking of foods and does not exhaust smoke by utilizing the high-speed hot air circulation technology. The smokeless air fryer comprises an air fryer fixed body and an air fryer movable body, wherein a top-driven power supply switch is arranged on one side of the lower end surface of a boss part at the front part of the air fryer fixed body, and a timer is arranged at the boss part; a top-driven boss is arranged on one side of the upper end surface of a handle of the air fryer movable body, and the handle is in locking and opening matching with an object containing mesh basket; the top-driven boss is in top-driven opening and closing matching with the top-driven power supply switch on one side of the lower end surface of the boss part of the air fryer fixed body; a planer screw type electric heating tube is arranged below hot air blades of the air fryer fixed body, a power supply joint of the planer screw type electric heating tube is connected with the inner wall of the air fryer fixed body through a connection assembly, and a tube body of the planer screw type electric heating tube is elastically connected with the inner wall of the air fryer fixed body through a tension spring; and the center of the bottom of an oil collecting backflow pot of the air fryer movable body is in an arc bulge shape, and the wall circumference and the bottom of the oil collecting backflow pot are in an arc shape.

The invention discloses a page processing method and device of mobile applications, and in particular to a method and a device for updating client-side pages of the mobile applications and a page processing system of the mobile applications. The page processing method of the mobile applications mainly comprises the steps of analyzing pages returned by a server side and transforming the pages into objects which can be recognized by a client side; traversing each page component in the objects which can be recognized by the client side and generating examples of the page components according to types of the page components and a base component library of the client side; configuring the examples of the page components according to attributes of the page components; rendering the examples of the page components; returning all the rendered examples of the page components to the objects which can be recognized by the client side, generating and displaying local objects of the client side of the pages. By adopting the method provided by the invention, the mobile applications can have the advantages of low development cost like web applications and good user experience like native applications.

The invention relates to a preparation method of a catalyst composition. The precursor of NixWyOz composite oxide is generated by co-precipitation method, and then mixed with MoO3, filtered, shaped and activated to become the final catalyst. The method for generating the precursor of the NixWyOz composite oxide by the co-precipitation method is: preparing the salt mixed solution A containing active metal Ni, W components and additives according to the ratio of catalyst components. Sodium metaaluminate solution B is prepared according to the proportion of catalyst components. Solution B and solution A flow into a reaction tank equipped with clean water to form a gel, and a gel-like mixture is formed, which is the precursor of the composite oxide NixWyOz. The catalyst metal prepared by the method of the invention is evenly dispersed and has high performance, especially higher activity for the process of deeply removing impurities of hydrocarbons. Moreover, the method of the invention is simple and convenient, and the metal loss rate is low. The method of the invention is mainly used for preparing bulk phase catalysts with higher metal content.

The present invention provides catalyst for selectively oxidizing methyl acrolein to synthesize methylpropenoic acid and its usage in catalyzing gas phase oxidation of methyl acrolein to synthesize methylpropenoic acid. The catalyst is one heteropoly acid salt containing Mo, P, K, Sb, Cu, As, etc., and has high catalytic activity and stability, long service life, methyl acrolein converting rate higher than 85 % and methylpropenoic acid selectivity over 87 % in the presence of molecular oxygen and diluting gas.

This invention discloses a rare earth Y molecular sieve and preparation; wherein, the rare earth content is 12~22 w.t% considering the quantity of rare earth oxide in molecular sieve, all rare earth ion is in molecular sieve small cage; there is no peak at 0ppm in 27Al M AS NMR spectrogram. The step to obtain molecular sieve comprises: exchanging NaY molecular sieve liquid with ammonium salt or not, taking ion exchange with rare earth chloride by weight ratio of NaY dry basis:RECl3=1:0.17~0.35 at temperature 5~100Deg; pH=2.5~7.5, water: NaY=3~50; adjusting pH value to 8~11 with alkaline solution; mixing, filtering, cleaning, drying; baking for more than 0.1h with 0~100% vapor at temperature 200~950Deg; then, dealing with the molecular sieve according to weight ratio molecular sieve dry basis: ammonium salt :water=1:0~1:2~50 at temperature 60~100Deg; finally, cleaning, filtering, drying and obtaining the product.

The invention discloses slow-release fertilizer with the effect of soil remediation, which is prepared by polyhydroxyalkanoates which can be completely biodegraded, organic and inorganic nutrients and other substances, by slow-releasing the organic and inorganic nutrients, microorganism propagation and sustained and rapid growth of plants can be promoted, the bioactivity and water solubility of polycyclic aromatic hydrocarbons are quickened, and simultaneously, the defects of fertilizer loss and repeated fertilization can be avoided, thereby saving the cost and enhancing the soil remediation efficiency. The invention also discloses a soil pollution remediation method by utilizing the slow-release fertilizer, plants with the remediation effect are planted in the soil with the slow-release fertilizer, and efficient, environment-friendly and sustained remediation of the soil polluted by the polycyclic aromatic hydrocarbons (PAHs) can be realized by utilizing the microorganism-plant remediation technology.

The active sludge-biomembrane compounding integral sewage treating method includes the first leading the sewage to be treated to the anoxic area through stirring for mixing sewage to be treated and active sludge, the subsequent leading the sewage to aerobic area with stuffing for aeration treatment with combined active sludge and biomembrane, and final leading the sewage to the precipitation area for natural deposition to separate sludge and water, leading out purified water, reflowing the mixed sludge liquid to the anoxic area and draining the residual sludge. The present invention also relates to the corresponding sewage treating apparatus. The present invention has the advantages of high treating capacity, resistance to impact load, simple operation, etc. and is especially suitable for use in medium and small towns.

The invention provides a personalized recommendation method and device of characteristic information, wherein the personalized recommendation method comprises the following steps of: receiving a characteristic information acquisition request submitted by a client, wherein the characteristic information acquisition request includes a user identification; acquiring user behavior tendency information according to the user identification; extracting current associated characteristic information according to a preset rule by using the user behavior tendency information; extracting current associated characteristic information which meets preset requirements and returning the extracted current associated characteristic information to the client. According to the invention, various personalized needs of users can be met, online shopping time cost of users is reduced and purchasing conversion rate of electronic commerce is increased.

The invention discloses a method for self-lubricating treatment of laser micro-texture of bearings. The invention comprises the following steps: firstly performing laser micro-processing technology of micro recessed cavities or micro grooves on a bearing surface, and then performing molding and bonding technology by a self-lubricating composite material on the bearing surface; the self-lubricating composite material comprises the following components by mass: 10-15% of polyimide (PI); 8-13% of graphite powder; 40-50% of polytetrafluoroethylene; 25-29% of MoS2; 0-5% of additives. By the self-lubricating treatment of laser micro-texture of a bearing, the invention guarantees the bearing capacity and the fitting accuracy of the bearing, realizes an optimized distribution of the lubricant on the bearing working surface, and improves comprehensive performance of antifriction and wear resistance of the bearing under complicated working conditions.

The invention relates to an automatic irrigation-drainage system for farmland. Irrigation water enters a water level control pond through a water level control valve; a floating ball drives the water level control valve to regulate the water supply amount until the supplied water is equal to the consumed water; the water level is stabilized at a certain water level when the water supply of the water level control valve is stopped at a water supply water level h1; the irrigation water enters a soil filling region at the upper part in a U-shaped concrete groove through a nonfine concrete cover plate and a sand inverted filter from the bottom of the inner part of the U-shaped concrete groove so as to form a soil saturated water layer lower than h1; the water in the saturated water layer is raised to the root layer of the crop in the form of capillary water; the water supply amount is increased or reduced along with water consumption amount so that the farmland is automatically irrigated; because the h1 is lower than the height h2 of the upper edge of the U-shaped concrete groove, no gravity water is leaked; once the soil saturated water layer is higher than the h1 because of raining, the water level control valve is turned off, the irrigation is stopped; if the water layer is higher than the upper edge h2 of the water level control pond, the water overflows to a water accumulation pond, and the water begins to be discharged; and the irrigation is recovered until the soil saturated water layer is lower than h1. The system has full automatic irrigation, high reliability and excellent durability.

The invention relates to a method for producing the tobacco sheet via improved paper making method, which comprises that preparing the tobacco slag, tobacco powder and ash via grinding machine to the tobacco powder at 60-80 deals and the ultra-fine tobacco powder at 120-800 deals; immerging the tobacco stem in water for 1-2 hours, separating the solid and liquid, concentrating the extractive solution into 15-25 degree / Be', adding the ultra-fine tobacco powder at 5-30% of the weight of concentrated solution, to obtain the coat liquid of sheet; the solid extracted from the tobacco stem is decomposed to prepare pulp, to be mixed with external pulped fiber, adjusting the density to 0.05-0.8%, to be mixed with the tobacco powder at 60-80 deals; preparing via paper machine, compressing, dewatering, drying to obtain the base sheet; immerging and coating the base sheet in the coat liquid, drying, breaking to obtain the final product. The invention can improve the smell of sheet tobacco.

The invention relates to a method for freezing and reviving umbilical cord tissues and for separating and increasing stem cells after reviving the umbilical cord, and the step comprises the following steps of preparing umbilical cord tissue freezing liquid; sterilizing and washing the umbilical cord tissues; cutting the tissues into blocks; placing the tissue blocks and the freezing liquid into afreezing tube, cold storing the tissue blocks for 0.5 hour under the temperature condition of 4 DEG C and then storing the tissue blocks for one day under the temperature condition of minus 80 DEG C,and then freezing the tissue blocks in liquefied nitrogen; and taking the umbilical cord tissues out of the liquefied nitrogen to use, thawing the umbilical cord tissues in constant-temperature waterbath, utilizing mesenchymal stem cell culture base to washing the umbilical cord tissues through a drop method, and separating and increasing the mesenchymal stem cells of the revived umbilical cord tissues through a tissue attachment method. The method can effectively protect the frozen umbilical cord tissue, so that the umbilical cord tissues can be revived to use, and the method is particularly suitable for separating and increasing the mesenchymal stem cells after the umbilical cord tissue is revived.

The invention discloses a catalyst with meso pore characteristics and an application thereof. The catalyst with meso pore characteristics is produced by loading ingredients with catalytic activity onto the inner tunnel surface of a meso pore molecular sieve carrier, wherein the meso pore molecular sieve carrier contains one or more elements selected from the group consisting of MCM-41, MCM-48, SBA-15, SBA-16, KIT-5 and KIT-6 with the aperture being from 2nm to 50nm; and the active ingredients contain one or more elements selected from the group consisting of Co, Fe, Ni, Mn, Cr, Ti, Cu, Mg, Nb, Ta, Mo, W, Zn, Zr, Ru, Ag, Au, Ru, Rh, Pt, Re, Al, W, Ga, Ge, Sn, Sb and metal oxide thereof. The catalyst with meso pore characteristics can be applied to the catalytic purification of tail gases containing nitrogen oxide. The catalyst provided by the invention has high catalytic activity and is suitable for a plurality of pollutants; in addition, the active ingredients of the catalyst are fixed so as to avoid loss, volatilization and high-temperature sintering.

The invention discloses a sewage purifier, which comprises polyhydroxyalkanoate, diatomite, humic acid, a bioactivator, inorganic metal salt and other substances. The invention also discloses a sewage purification method by utilizing the sewage purifier. A completely biodegradable material polyhydroxyalkanoate is used as a sustained material of the bioactivator, and the completely biodegradable material is slowly degraded and releases the bioactivator so as to realize the long-term high-efficiency purification function of the bioactivator; and by combining the effects of aquatic plants, phosphorus, nitrogen, polycyclic aromatic hydrocarbon and heavy metals in the sewage are purified and treated, so the sewage purifier has better sewage treatment effect.

A network name card processing system comprises information databank of person to contact, receiving unit of network name card, information picking ¿C up unit of network name card, information updating unit of person to contact and processing unit. Its processing method includes receiving network name card from person to contact, picking up information data of person to contact from network name card, storing information data of person to contact into information databank of person to contact.

The invention discloses a coarse cereal instant rice and a preparation method of the coarse cereal instant rice. The coarse cereal instant rice is mainly prepared by conducting extrusion curing, cutting, pelletizing, drying, then baking and puffing on coarse cereal powder, starch and solid vegetable oil, wherein the coarse cereal is selected from one or combination of corn flour, rice flour, sorghum flour, buckwheat, pearl barley flour, black rice four, sweet potato flour, millet flour, coarse rice powder, glutinous rice flour, red rice flour, soybean flour, red bean flour, green gram starch, black bean flour, oat powder and wheat flour. The coarse cereal instant rice provided by the invention adopts a loose porous structure inside, so that the coarse cereal instant rice is good for digesting and absorbing and is excellent in rehydration property, the rehydration time is relatively short, the rehydrated rice is in full grain, and the coarse cereal instant rice is chewy and not hard or sticky when being eaten.

The invention provides an online classroom atmosphere evaluation system and method. The evaluation system comprises a video stream collection module, a data stream processing module, an image analysismodule, a classroom attendance analysis module, a classroom atmosphere evaluation module, a classroom atmosphere scoring module and a display module; . The invention collects classroom video stream data through a camera, and the captured video is captured frame by frame to obtain images; all the faces images are segmented and numbered sequentially, at the same time, the eigenvalues are assigned to the faces with the corresponding numbers, and then face recognition and facial expression recognition are carried out according to the number, so as to identify the number, emotion and movement posture of students in the video stream data; the score 0 is given to the students lowering heads in the image and the score 1 is given to students having interaction; according to the emotional analysisstrategy of students listening to the teacher, the current student listening student score is obtained and finally comprehensive evaluation of the classroom atmosphere score is obtained. The inventioncan evaluate the classroom quality on-line and in real time, and can effectively improve the evaluation effect.

The invention discloses a magnetic bead-based sample treatment and nucleic acid automatic extraction system, comprising a micro-fluidic chip and a micro motor drive device, wherein the micro-fluidic chip comprises a layer of cover plate, two layers of bottom plates and two layers of structure plates, wherein the chip can automatically finish the operation processes such as cell lysis, nucleic acid purification, nucleic acid eluting and the like, and finally a nucleic acid sample is obtained. Based on siphon principle or micro-fluidic surface tension properties, a driven drive pump without external drive force is designed by the chip, so as to achieve flowing and transferring of a detection sample, a reaction reagent and reaction liquid waste. Under mixed hardening of a micro vibration motor, through a periodic alternating magnetic field and a constant magnetic field provided by an external magnet, effective mixing between the magnetic bead and the reaction sample and the reaction reagent in a reaction cavity, and fixing of the magnetic bead in the liquid waste discharge process are achieved; and the chip is matched with a full-automatic micro motor drive device to automatically finish a plurality of reaction steps, so that a high-purity nucleic acid sample template is provided for gene amplification reaction.

A method for breeding beef cattle and mutton sheep standardly on a large scale through photovoltaic facilities includes the four parts that first, a photovoltaic facility greenhouse is built, maize seedlings or high-quality green forage grass Zea mexicana is produced throughout the year to be used as green fodder of beef cattle and mutton sheep; second, the beef cattle and the mutton sheep are bred and bio-organic fertilizer is produced standardly on a large scale through the photovoltaic facility greenhouse; third, photovoltaic power generation is performed for self use, and excessive electricity is connected into the state grid; fourth, a beef cattle and mutton sheep traceable system is built, and foods are made safe and sanitary. Through the method, not only can solar resources be effectively utilized to output clean and green energy, but also efficient planting and breeding can be achieved, by-products are processed into organic fertilizer, and a new path is provided for green agricultural production. Because a full-frame high-standard support system is adopted for the photovoltaic agricultural greenhouse and photovoltaic modules are arranged on the greenhouse, the space of the greenhouse can be effectively utilized, power utilized in the greenhouse can be supplied through a photovoltaic power station, and equivalently, stereoscopic production is formed on the land with the same area.

The present invention relates to a lithium-sulfur battery, which comprises a positive electrode, a negative electrode and an electrolyte, wherein the positive electrode comprises a positive electrode current collector and a positive electrode active material involved in an electrochemical reaction, the positive electrode active material comprises a thio material, the negative electrode comprises a negative electrode current collector and a negative electrode active material selected from metal lithium, a lithium alloy, lithium-carbon and a silicon base material, a pre-lithium embedding treatment is performed on the positive electrode and / or the negative electrode when the selected thio material and the silicon base material do not contain lithium, and the electrolyte is a solid state electrolyte containing a lithium super-ion conductor material. According to the solid state lithium-sulfur battery, loss of an intermediate product lithium polysulphide during a positive electrode charge and discharge process is avoided, the solid state electrolyte has high ionic conductance so as to improve energy density and cycle life of the lithium-sulfur battery, the packaging process of the lithium-sulfur battery adopting the solid state electrolyte is simpler than the packaging process of the lithium-sulfur battery adopting the liquid state electrolyte, and the lithium-sulfur battery is easy to industrialize.

The invention discloses an integrated nitrogen and phosphorus recovery device in a struvite method, which relates to the field of environmental engineering water treatment and is a reactor for treating nitrogen and phosphorus-containing wastewater in a physicochemical method. Substances nitrogen and phosphorus in the wastewater are removed in a magnesium ammonium phosphate (struvite) form, and the substances are recovered and reused. The reaction device is in an integrated form, which comprises a precipitation zone, a mixing reaction zone, a crystal growth zone and a crystal trapping and water discharging zone from bottom to top sequentially, the mixing reaction zone is provided with a first-grade aerator, which is mainly a wastewater and reagent fully mixing and reacting zone; the crystal growth zone is provided with a second-grade aerator, which is mainly a struvite growth zone; in the precipitation zone, large-grain struvite crystals are mainly precipitated; and the crystal trapping and water discharging zone recovers the struvite crystals by a filter screen. In addition, the device uses external reflux to reinforce and to control the supersaturated rate of the struvite reaction, thus promoting the crystal growth. The device has simple technological process and has the advantages of short hydraulic retention time, high nitrogen and phosphorus recovery efficiency, high recovery pureness, little occupied area, low operation and maintenance cost and the like.

The invention relates to a method for producing the tobacco sheet via dual-mesh paper making method, which comprises that preparing the tobacco slag, tobacco powder and ash via grinding machine to the tobacco powder at 80-100 deals and the ultra-fine tobacco powder at 120-800 deals; immerging the tobacco stem in water for 1-2 hours, separating the solid and liquid, concentrating the extractive solution into 15-25 degree / Be', adding the ultra-fine tobacco powder at 5-30% of the weight of concentrated solution, to obtain the coat liquid of sheet; the solid extracted from the tobacco stem is decomposed to prepare pulp, to be mixed with external pulped fiber, to be divided into two parts to be shaped via the meshes; spraying the tobacco powder at 80-100 deals on the base sheet of one paper machine, and covering this base sheet via another wet base sheet produced by another paper machine, to obtain the composite wet base sheet; compressing, dewatering, drying to obtain the base sheet; immerging and coating the base sheet in the coat liquid, drying, breaking to obtain the final product. The invention can improve the smell of sheet tobacco.

The invention provides a tree wound healing protective agent, which consists of the following components in percentage by weight: 0.1-3 percent of sterilizing agent, 35-48 percent of protective agent, 0.1-8 percent of nutrient, 0.1-3 percent of pigment, 30-50 percent of adhesive, 0.1-8 percent of regulator, 1-5 percent of auxiliary agent and 10-26 percent of water. The preparation method comprises the following steps of: adding water into a reaction kettle; adding the nutrient and the regulator with stirring; heating to maintain solution at 45-65 DEG C; stirring for 30-60 minutes; stopping heating and keeping stirring; naturally cooling mixture in the kettle and adding the adhesive and the auxiliary agent; stirring for 70-90 minutes; stopping heating; adding the sterilizing agent and the pigment with stirring; stirring for 30-50 minutes and then adding the protective agent; and then stirring for 90-240 minutes and stopping. The protective agent has a special effective effect on rotten scars, canker scars, gummosis scars, and cut and saw cut of fruit trees.

The invention relates to the technical field of separation membranes and discloses a preparation method of a polymer porous membrane for removing water pollutants. The preparation method comprises the following steps of blending cyclodextrin and a membrane preparation material, and adding a cross-linking agent into the mixture to fix the cyclodextrin to the membrane material so that repeated use is avoided, cyclodextrin is lost from the polymer porous membrane, a selective separation function of the polymer porous membrane is lost and polymer porous membrane hydrophility is changed. The polymer porous membrane has a substantial capability of adsorption and removal of organic pollutants such as phenols and aromatic amines (aromatic substances) in water, has good heavy metal ion removal effects, has high separation efficiency and low pressure drop, is convenient for regeneration, can be massively produced and used easily, and can be widely used in an ecological protection water purification treatment system and a water treatment system.

The invention relates to a manufacturing method which utilizes waste residue to produce regenerated yarn cop base paper and an obtained product thereof. The method comprises the following steps: the full stuff of processed waste slurry residue and the full stuff of processed waste paper are mixed according to proportion to carry out sand paper tube forming and then the regenerated yarn cop base paper is obtained. By adopting the method, waste paper resources can be saved, waste water treatment can be reduced, and the obtained regenerated yarn cop base paper has the advantages of low ration, good quality and the like.