264results about How to "Suitable for large-scale use" patented technology

The invention discloses a monitoring system for railway track bolt looseness. The monitoring system comprises a laser emission module, a track fiber, a cutting device, a laser receive module and a processing circuit module. The processing circuit module comprises an electromagnetic relay, an alarm circuit module and a control circuit module used for controlling a railway track system. The cutting device is used for cutting off the fiber when a bolt loosens. When the railway track bolt loosens, the cutting device cuts off the fiber, the laser receive module can not receive a light signal, so an alarm is given; meanwhile, a railway track relay circuit is cut off. The invention further discloses a monitoring method for railway track bolt looseness. According to the monitoring system and the monitoring method for railway track bolt looseness, the looseness condition of the railway track bolt is systematically monitored in real time; in addition, the design process and the manufacturing process are simple, the price is low and large-scale manufacturing and application are facilitated.

The invention discloses a hydrophilic and oleophobic easy-to-clean organic coating and a preparation method thereof. The organic coating is obtained by curing an organic solution by a curing agent, the organic solution is a fluorine-containing polyurethane modified epoxy resin solution formed by carrying out a reaction on fluorine-containing polyurethane and an epoxy resin in an organic solvent, and the fluorine-containing polyurethane and the epoxy resin form a semi-interpenetrating network structure formed through the bonding of chemical bonds. A micro area with uniformly distributed hydrophilicity and oleophobicity is constructed on the surface of an object to be coated through the semi-interpenetrating structure and low surface performances of fluorine, so the hydrophilic and oleophobic easy-to-clean organic coating is formed. Experiments prove that the lowest contact angle between the organic coating and water can reach 15DEG, and the highest contact angle between the organic coating and oil can reach 90DEG, so water can thoroughly displace oil stains on the surface of an original solid, and an easy-to-clean effect is reached.

The invention discloses a soilless plant cultivation substrate and a preparation method thereof. The preparation method of the cultivation substrate disclosed by the invention comprises the following steps: firstly, uniformly mixing agricultural and forestry waste, water, a fermentation catalyst, a fermentation fungicide, bamboo vinegar and / or pyroligneous liquor to carry out fermentation treatment for the first time to prepare a first fermentation substrate; and then, adding the fermentation catalyst, the water, the bamboo vinegar and / or the pyroligneous liquor into the first fermentation substrate to carry out fermentation treatment for the second time to obtain the soilless plant cultivation substrate, wherein the fermentation catalyst comprises rhamnolipid. The plant cultivation substrate prepared by the preparation method disclosed by the invention is balanced in nutrition, high in nutritional ingredient content, reasonable in structure, stable in physical property and convenient for being absorbed by plants, satisfies plant growth needs, improves survival rate for plant cultivation and ornamental effect.

The invention provides a method for preparing phloretin. The method comprises the following steps of: heating, hydrolyzing and purifying to obtain the phloretin under the action of dilute acid by using naringin dihydrochalcone. The naringin dihydrochalcone is prepared by the following method: performing catalytic hydrogenation on naringin under the medium pressure, normal temperature or heating action by using hydrogen in the presence of alkali liquor and rare metal catalyst, and collecting the naringin dihydrochalcone from the reaction system. The method is easy to operate, low in cost and high in product quality, and large-scale application of phloretin on the medicine, food and cosmetics can be well met.

The invention discloses a dispersion method for positive electrode slurry of a lithium ion battery. The dispersion method comprises the following steps in sequence: pre-preparing a water system or oil system adhesive solution at certain concentration through an adhesive making tank; adding the adhesive solution, a conductive agent, a dispersing agent and a solvent into a stirring bucket, performing full pre-mixing by a high-speed dispersing machine to obtain a pre-dispersed solution; adding a positive electrode active material in two times, performing pre-mixing in the first time, and performing high-speed dispersing and mixing after adding in the second time, performing high-speed dispersing for a certain time to obtain a high-viscosity dispersing turbid liquid; and adding a certain amount of solvent to further perform high-speed dispersing until the slurry reaches proper viscosity and solid content to obtain the positive electrode slurry with excellent performance and to complete the overall process. By making full advantage of a mechanical relation between high-viscosity heterogeneous fluids, and by adopting the simple and convenient method, the dispersing effect of a stirrer is given into full play, uniform applying of shearing force on super-fine powder in the slurry in the stirring process is promoted, the stirring time is saved, and the uniformity, the stability and the consistency of the slurry are improved.

A method for extracting information based on a multistage rule base comprises the steps that (1) a URL address of web pages is obtained; (2) the web pages corresponding to the URL address are downloaded; (3) a web page tree-type structure chart is obtained; (4) web page clustering is conducted, web pages are selected from the web pages to be clustered to serve as a training set, and a clustering rule of the web pages is defined according to a robot learning method; (5) a searching result is extracted; (6) information is collected and displayed. After the web page tree-type structure chart is obtained in the step (3) and the web pages are clustered in the step (4), the recall ratio of the retrieved information can be effectively increased, the clustering rule is automatically generated by means of robot learning in a training set mode, manual clustering is not needed, the automation degree of searching is effectively increased, and the condition of large-area use is achieved on the premise that the recall ratio is guaranteed. According to a device for extracting the information based on the multistage rule base, a hardware foundation is provided for an information extraction process, cost is low, and the device is suitable for large-scale use.

The invention relates to an on-line flexible package polymer lithium battery pack monitoring system which comprises a plurality of resistance strain sensors (1), temperature sensors (2) and a computer information processing unit (3), wherein the plurality of resistance strain sensors (1) are adhered to the surfaces of lithium batteries in a uniformly distributed way; the temperature sensors (2) are adhered to the central areas of the surfaces of the lithium batteries; and the computer information processing unit (3) is connected with the resistance strain sensors (1) and the temperature sensors (2) respectively. According to the on-line flexible package polymer lithium battery pack monitoring system, the computer information processing unit (3) judges the working state of a lithium battery pack by processing lithium battery deformation information acquired by the resistance strain sensors (1) and temperature information acquired by the temperature sensors (2), monitoring is kept on when the working state is normal, and alarming and treatment are carried out when the working state is abnormal.

The invention discloses an electrochemical purification method for molten salt. The electrochemical purification method for the molten salt comprises the steps that (1), three electrodes of a cathode, an anode and a reference electrode are used, and an electrochemical window of the molten salts to be purified and an electrochemical reduction spike potential of impurities in the electrochemical window of the molten salts to be purified are confirmed; graphite serves as an anode material, inert metal serves as a cathode material, and the inert metal is the metal which does not react with the molten salt to be purified; and (2), electrolysis is conducted under the voltage which is negative than the electrolytic reduction peak potential of the impurities determined in the step (1) and larger than or equal to the electrochemical window of the molten salt to be purified. The method is not only suitable for a chloride molten salt system but also suitable for a fluoride salt dissolving salt system, metal cationic impurities and oxygen-containing anion impurities in the molten salt are purified and removed at the same time through single experiment operation, it is not necessary to add other chemical reagents to the molten salt system, and secondary pollution to the molten salt in the purification process is avoided.

The invention discloses a preparation method of a high capacity porous silicon material. The method is characterized by specifically including: placing magnesium silicide powder in nitrogen atmosphere, conducting 600-800DEG C heat treatment, then performing pickling and aftertreatment to obtain the porous silicon material with high capacity. The preparation method of the high capacity porous silicon material provided by the invention uses nitrogen atmosphere to replace air atmosphere, avoids oxidation of silicon at the same time of porous silicon preparation, and has no need of high volatility hydrofluoric acid to conduct treatment, and the process is simple, efficient and environment-friendly. The prepared porous silicon has very low oxygen content, can be applied as a negative electrode material in a lithium ion battery to remarkably improve the specific capacity and cycle stability of the lithium ion battery.

The invention discloses a device and method for switching LVDS video signals from one way to multiple ways, comprising a man-machine interface module, an LVDS video receiving module, a synchronizing module, a video decoding module, an LVDS image data caching module, an image resolution detection module and multiple LVDS video output modules; the method is based on the device. An LVDS image time sequence is rebuilt on every local LVDS video output module according to one way of LVDS video signals; multiple ways of LVDS image data are output from every local LVDS video output module to a module to be tested according to the time sequence; the LVDS video signals are switched from one way to multiple ways; the method is applicable to verify middle and large scale modules; every way of LVDS video signals are output simultaneously independently; the parameters can be adjusted independently; and the method is applicable to carry out simultaneous dot screen verification to a number of modules with the same resolution and different characteristics in different working conditions.

The invention discloses a composite plant culturing medium pH and EC regulator comprising bamboo / wood vinegar, humic acids, and brown sugar. According to the invention, the composite medium regulator is prepared from natural non-polluted easy-degradation raw materials with wide sources. With the composite medium regulator, physical and chemical properties of culturing media can be improved, the pH and EC values of the culturing media can be reduced, and the utilization rate of nutrients can be improved. The regulator provided by the invention can be used for replacing natural regulators with short-term effects and artificial regulators with high prices. With the regulator provided by the invention, a problem of relatively high pH and EC values of culturing media (peat, grass peat, and soil) in agricultural productions, forestry productions and floriculture can be solved, and a problem of relatively high costs of common high-molecular compounds can be solved.

The invention relates to a low-corrosion complex chloride snow-melting agent. The calcium chloride and the magnesium chloride are used as a snow-melting main material, the sodium gluconate, zinc salt, amides and polyol compound and glycine betaine are added so as to inhibit the corrosion of a cathode and an anode of a carbon steel; a stable absorption film is formed on the surface of the carbon steel and the concrete so as to effectively reduce the corrosion to the carbon steel and the damage to the concrete; the inhibition rate can be used for achieving more than 80%; and furthermore, the salt-tolerance growing capability of a plant can be effectively improved. The snow-melting agent provided by the invention has low freezing point, can be used at the severe cold area at minus 40 DEG C at the highest, the snow-melting speed is fast, and re-freezing is inhibited; the snow-melting agent is free from phosphorus element and pollution-free, the precipitatin reaction cannot occur between components to influence the performance. The snow-melting agent has the advantages of small damage to a road surface, easily obtained raw materials, and high cost performance; and therefore, the practical applicability is strong and the large-scale use is achieved.

The invention discloses Danish dough made by a pre-fermentation freezing technique. The Danish dough comprises wheat flour, sugar, salt, milk powder, a modifier, yeast, butter, eggs and water, whereinthe modifier comprises an immobilized enzyme system, a free enzyme system, zein, gelatin, vitamin C, an emulsifying agent, a thickening agent, gluten and the balance of additives. The invention further discloses a making method of the Danish dough by using the following raw materials. The invention aims to provide the dough, wherein the later stage fermentation stability of the frozen dough and the water preserving capability in the frozen process can be effectively improved. Besides, the invention further provides the method for making bread by using the dough.

The invention relates to a hoisting system which comprises a cultivation frame storing a plurality of transparent root system cultivation containers, hoisting frameworks, a hoisting frame, a jacking sub-car and a walking mechanism, wherein the hoisting frameworks are disposed between a conveying belt and a multi-layer stereoscopic cultivation rack; the hoisting frame can complete transport betweenthe cultivation frame and the conveying belt and can drive the cultivation frame to move up and down in the hoisting framework; the jacking sub-car can transfer the cultivation frame between the hoisting frame and the multi-layer stereoscopic cultivation rack; and the walking mechanism can drive the hoisting frameworks and the hoisting frame to slide along the conveying belt and the multi-layer stereoscopic cultivation rack between the conveying belt and the multi-layer stereoscopic cultivation rack. Transport between the cultivation frame and the conveying belt is completed by the hoisting frame; the cultivation frame is hoisted to a position of the multi-layer stereoscopic cultivation rack by the hoisting frame and the walking mechanism; the cultivation frame can be transferred betweenthe hoisting frame and the multi-layer stereoscopic cultivation rank by the jacking sub-car; and high-throughput and automatic carrying of the cultivation frame. The existing multi-layer stereoscopiccultivation rack and the cultivation frame in the multi-layer stereoscopic cultivation rack do not need to be changed; cost is low; and the system is applicable to large-scale use.

The invention provides a low-density liquid crystal polymer. The low-density liquid crystal polymer comprises the following components in parts by weight: 60-90 parts of wholly aromatic liquid crystalpolyester resin, 10 to 30 parts of hollow glass beads, 1 to 3 parts of a compatilizer and 1 to 30 parts of a filling material, wherein the diameter of the hollow glass beads is 10-50 [mu]m. The low-density liquid crystal polymer provided by the invention has the following advantages: the wholly aromatic liquid crystal polyester resin is used as a parent material; the synergistic effect of the hollow glass beads with a diameter of 10-50 [mu] and the compatilizer is utilized to modify the wholly aromatic liquid crystal polyester resin, so the overall density of the prepared liquid crystal polymer is reduced, and the density of the prepared liquid crystal polymer is greatly reduced; meanwhile, the liquid crystal polymer has good thermal performance and can be widely applied to the fields ofelectronics and electrics, aerospace materials and the like.

The invention provides a device for classifying and counting steel balls, which comprises a groove and a steel ball outlet located at the bottom of the groove, wherein a steel ball classifier is arranged right under the steel ball outlet; the steel ball classifier is a cone formed by uniformly encircling a plurality of steel bars; a steel ball classifying slide rail is formed by a clearance between every two adjacent steel bars; a plurality of adjacent ball-receiving slots concentric with the steel ball classifier are arranged right under the steel ball classifier; the ball-receiving slots are circular ring-shaped and are tilted downwards for certain angles; a cylinder is arranged under the ball-receiving slots; the cylinder is provided with upper and lower openings; a baffle is located on one side of the upper surface of the cylinder, away from the ball-receiving slots; a counting wheel is arranged in the cylinder and is coaxial with the cylinder; two flutes are symmetrically arranged on the counting wheel; the size of the openings of the cylinder is more than the diameter of the flutes; and a counter is connected with the counting wheel. The device for classifying and counting the steel balls provided by the invention can more effectively classify the size of the steel balls and can count the classified steel balls; the structure is simple, the use is convenient and the classifying and counting are accurate; and the device is suitable for large-scale use.

The invention discloses a taxi calling intelligent response system and method. The taxi calling intelligent response system is simple in structure, safe and convenient to operate, high in intelligence, more sensitive and rapid in response, and low in installing cost. The taxi calling intelligent response system comprises an intelligent terminal device (1) used for receiving a taxi taking order from a taxi taking software server (7), a speech recognition system (2) used for realizing information interaction with the intelligent terminal device (1) to automatically send an order getting signal, an order getter (3) manually sending an order getting signal, and a Bluetooth transmission device (4) used for processing the order getting signal and then sending the processed order getting signal to the intelligent terminal device (1), wherein the taxi calling intelligent response system is firstly used for setting a keyword of the speech recognition system (2), automatically recognizing the keyword, and making an order getting response; when the set keyword is not included in an order, whether the order is gotten is determined according to the wish, if the order is gotten, the order getting signal is sent through the order getter (3), and the order getting signal is transmitted to the intelligent device terminal (1) after being processed through the Bluetooth transmission device (4).

The invention discloses a soilless plant culturing medium and a preparation method thereof. The preparation method includes the steps of: uniformly mixing forestry and agricultural wastes, water, a fermentation conditioner, a fermentation inoculant, and bamboo vinegar liquid and / or wood vinegar liquid to perform primary fermentation to obtain a first fermentation substrate; adding the fermentation conditioner, water and the bamboo vinegar liquid and / or wood vinegar liquid to perform secondary fermentation. The fermentation conditioner includes [beta]-cyclodextrin, sawdust and bottom mud from fish pool. The plant culturing medium has balanced nutrients, is high in content of the nutrients, has reasonable structure and stable physical characters, is convenient to absorb by plants, satisfies demand of growth of plants, and improves survival rate and ornamental effect of plants.

The invention belongs to the technical field of fine chemical engineering, and particularly discloses a method for preparing magnesium oxide-graphene composite heat-conduction insulation filler. The method includes the steps that a graphene-oxide water solution serves as a raw material, a magnesium salt solution is added, the pH value is adjusted, the product is subjected to an in-situ deposition reaction on graphene oxide, and magnesium hydrate is obtained; the obtained magnesium hydrate-graphene oxide hybrid material is heated at the inert atmosphere at the temperature of 300 DEG C, and the magnesium oxide-graphene (graphene oxide reduction) composite filler is obtained. The filter is added into an electric insulation polymer, the heat conductivity of the polymer composite material can be improved, and meanwhile the electrical insulating performance is kept. The preparing method is easy to operate, environmentally friendly, easy to produce in a large-scale mode and the like.

The present invention discloses a modified nanometer chlorapatite and a preparation method thereof, wherein the modified nanometer chlorapatite comprises nanometer chlorapatite and sodium lauryl sulfate, the sodium lauryl sulfate is modified on the nanometer chlorapatite surface, and a mass ratio of the sodium lauryl sulfate to the nanometer chlorapatite is 7-15:1. The modified nanometer chlorapatite preparation method comprises: under a stirring condition, adding a CaCl2 solution to a sodium lauryl sulfate solution in a dropwise manner, adding a Na3PO4 solution to the obtained mixed solution in a dropwise manner, and adjusting the pH value to 8.0-10.0 so as to prepare the product. The modified nanometer chlorapatite the present invention has advantages of large specific surface area, good dispersion property, high stability, and the like. In addition, the modified nanometer chlorapatite preparation cost is low, no secondary pollution is generated to the environment, and the method is suitable for large-scale use.

The invention provides a low-dielectric-constant liquid crystal polymer. The low-dielectric-constant liquid crystal polymer comprises, by weight, 50-90 parts of wholly aromatic liquid crystal polyester resin and 10-30 parts of hollow glass beads, wherein the diameter of the hollow glass beads is 10-50 [mu]m. The low-dielectric-constant liquid crystal polymer takes the wholly aromatic liquid crystal polyester resin as a parent material, the hollow glass beads with the diameter of 10-50 [mu]m are added, the wholly aromatic liquid crystal polyester resin is modified with the hollow glass beads, the hollow glass beads are of hollow structures and have hard shells, the interiors of the shells are rarefied gas, and the hollow glass beads with the hollow structures are added, so that the hollow glass beads are mixed with the wholly aromatic liquid crystal polyester resin, and the overall dielectric constant of the prepared liquid crystal polymer is reduced.

The invention relates to a self-help intelligent rubbish classification recycling bin, which is characterized by comprising a hardware bin body and a software system. The hardware bin body sequentially comprises a bin top, a bin body and a waterproof pedestal from the top down, and a supporting pedestal is also arranged on the waterproof pedestal; and the software system comprises an automatic identification system, an intelligent distribution system, a point receipt self-help operation system and an Internet connection information storage database. The self-help intelligent rubbish classification recycling bin disclosed by the invention has a scientific and reasonable structure and a human friendly design and is convenient to use, so that the recycling bin is fit for large scale application in cities. Meanwhile, the self-help intelligent rubbish classification recycling bin disclosed by the invention meets the social system engineering demand in generalization and execution and is beneficial for construction work of national sanitation protection model city of the current government.

The invention relates to a method for preparing luminescent carbon dots from glycerin. The glycerin based carbon dots prepared by the invention can be used for biological imaging technology and analysis to determine the content of metal ions. The method for preparing luminescent carbon dots from glycerin is as below: heating the glycerol to a certain temperature, slowly dropwise adding concentrated sulfuric acid while stirring, reacting for a certain time, filtering, washing, and removing superfluous sulfuric acid to obtain a glycerin based solid carbon material; and further carrying out alkali dissolution and reaction or ethanol extraction to obtain the glycerin based luminescent carbon dot. The preparation method has the advantages of simple operation, high yield and easiness for preparation of a large amount of carbon dots, and can satisfy the requirement of using glycerin based luminescent carbon dot.

The invention discloses a household energy management system. The household energy management system comprises a household appliance management control system (1). The household appliance management control system (1) is a management and decision control unit for all high-power household appliances in a family and comprises a PC or a processer (14) operating corresponding control algorithms. In order to achieve demand-side response management, a household appliance interface unit (2) is further arranged between a high-power household appliance load (11) and the household appliance management control system (1), so that power data collection of the high-power household appliances, communication between the high-power household appliances and the household appliance management control system, and control over the local load state are achieved. According to the household energy management system, mainly, DR control over the medium-power and high-power household appliance load of a resident user is conducted, and on the premise that the comfort degree of the user and the load priority are fully considered, full automation of control is achieved.

The invention belongs to the technical field of miniature energy conversion and storage devices and particularly discloses a perovskite solar cell integrated device and a preparation method thereof. The integrated device comprises a perovskite solar cell, a thermoelectric power generation piece and a supercapacitor which are sequentially arranged from top to bottom. The perovskite solar cell comprises a conductive substrate, a solar electrode, a perovskite photosensitive layer and a carbon counter electrode which are sequentially arranged from top to bottom. The thermoelectric power generation piece is arranged between the perovskite solar cell and the supercapacitor, and the thermoelectric power generation piece and the perovskite solar cell are electrically connected in a serial connection mode. The supercapacitor is arranged on the cold surface layer of the thermoelectric power generation piece. The invention further discloses a preparation method of the perovskite solar cell integrated device. The integrated device is simple in structure, high in photoelectric conversion efficiency, large in electric energy storage capacity and very stable in storage and output and further has the advantages of being convenient to manufacture, low in cost and suitable for large-area industrial production.

The invention provides a heat-resisting and anti-impact PPR (Polypropylene Random) pipe and a preparation method thereof and belongs to the technical field of PPR pipes. The heat-resisting and anti-impact PPR pipe is prepared from the following raw materials in parts by weight: 90-120 parts of polypropylene randon coplymer, 10-20 parts of low-molecular-weight polybutylene, 20-30 parts of hydrotalcite and 0.8-1.5 parts of an antioxidant, wherein the number mean molecular weight of the low-molecular-weight polybutylene is 2300-2550. The heat-resisting and anti-impact PPR pipe provided by the invention has good strength and heat resisting performance, and the low-temperature fragility is also improved. Furthermore, the invention relates to the preparation method of the heat-resisting and anti-impact PPR pipe.

The invention discloses a disaster jellyfish emergency disposal method. According to the disaster jellyfish emergency disposal method, a mode that an emergency disaster jellyfish mincing device and a jellyfish collection system are combined is adopted, wherein a hollow steel wire is arranged at the bottom of a drag net; when the drag net is driven to quickly advance by a ship, jellyfishes gathered at the bottom of the drag net are crushed by means of water flow impact pressure; at a region with relatively shallow water, the disaster jellyfish collection system is combined; a jellyfish collection passage designed in the disaster jellyfish collection system is positioned at an included angle formed by a W-shaped interception net; and on the tide, the jellyfishes are introduced into and gathered to the jellyfish collection passage by the interception net under the action of the tide and then are killed off in a centralized way. According to the disaster jellyfish emergency disposal method, a large number of disaster jellyfishes are effectively disposed, the ecological hazard of the jellyfishes can be reduced, and a quick, high-efficiency and convenient disposal effect can be performed on the jellyfish disaster which outbreaks rapidly.

The present invention relates to hydrocarbon hydrotreating process including the steps of loading catalyst into the reactor, activating, reaction, etc. The hydrotreating catalyst contains organic nitrogen compound in 0.5-20 wt% of the catalyst, simple substance sulfur in the amount of 30-150 % of the theoretical sulfur demand of the catalyst, and organic solvent in 0.1-50 wt% of the catalyst. The hydrotreating catalyst with the common action of organic nitrogen compound, sulfur and organic solvent has high sulfur holding rate in activation, less concentrated heat release, lowered temperature rise in the catalyst bed and high activity. It may be applied in various kinds of hydrocarbon hydrotreating process.