466results about How to "Low environmental impact" patented technology

A process for selectively removing carbon dioxide from a gaseous stream by converting the carbon dioxide to a solid, stable form is provided. In a sequestration process, carbon dioxide enriched air is passed through a gas diffusion membrane to transfer the carbon dioxide to a fluid medium. The carbon dioxide rich fluid is then passed through a matrix containing a catalyst specific for carbon dioxide, which accelerates the conversion of the carbon dioxide to carbonic acid. In the final step, a mineral ion is added to the reaction so that a precipitate of carbonate salt is formed. This solid mineral precipitate can be safely stored for extended periods of time, such as by burying the precipitate in the ground or depositing the precipitate into storage sites either on land or into a body of water. An apparatus for removing carbon dioxide from a gaseous stream is also provided.

A porous polymer sheet or membrane is provided with a thin coating of an electrically non-conductive ceramic composition and the coating conforms to all surfaces, including the pore surfaces, of the membrane. Such a coated membrane serves well, for example, as an intra-cell separator in a lithium ion battery. The coating increases the mechanical properties and thermal stability of the separator in battery operation and retains electrolyte. The coating may be formed by a two-step vapor-phase process in which atoms of one or more metals such as aluminum, calcium, magnesium, titanium, silicon and / or zirconium are deposited in a conformal layer on a workpiece surface. The metal atoms may then be reacted with ammonia, carbon dioxide, and or water to form their respective non-conductive nitrides, carbides, and / or oxides on the surface. The two-step process is repeated as necessary to obtain a ceramic material coating of desired thickness.

The embodiment of the invention discloses a user interaction system and method. The system comprises an interface display module, a three-dimensional positioning module and a calculation processing module. The interface display module is used for providing an interaction interface for a user. The three-dimensional positioning module is used for capturing three-dimensional positioning information of a user scenario and sending the three-dimensional positioning information of the user scenario to the calculation processing module. The calculation processing module is used for calculating the three-dimensional space relative positions of the user eyes and hands relative to the three-dimensional positioning module based on the three-dimensional positioning information of the user scenario and determining positions of interaction hot spots in the interaction interface based on the three-dimensional relative positions and the relative position relation between the three-dimensional positioning module and the interaction interface.

The invention discloses an aluminum oxide ceramic substrate with high heat conductivity. The aluminum oxide ceramic substrate is prepared by steps of stirring a ceramic powder material, a binder, a plasticizer, a dispersant and a solvent uniformly, preparing a ceramic raw-ceramic substrate through a tape casting method, glue discharging and sintering. The aluminum oxide ceramic substrate is characterized in that the solvent is a mixture of butanol, isopropanol and butyl acetate, and the ceramic powder material comprises aluminium oxide powder and auxiliary agents. The invention also discloses a preparation method for the aluminum oxide ceramic substrate with the high heat conductivity. According to the aluminum oxide ceramic substrate and the preparation method, the solvent system which comprises the butanol, the isopropanol and the butyl acetate are used as the main solvent in place of traditional toluene, thus enhancing dissolution of PVB by the solvent, thereby guaranteeing uniformity of raw ceramic slurry, making physical properties of sintered ceramic stable, reducing environmental influences of the exhausted gas during production processes compared to traditional modes of production, contributing to energy conservation and emission reduction, and reducing the cost.

The invention discloses a system and method for detecting and processing composite data of a radar video. The method comprises the following steps: a radar detects a target, and acquires target data and environmental coordinates of the target; after the radar realizes target tracking, video acquisition equipment acquires image information and pixel coordinates of the target; a radar video information fusion system performs information fusion of the target data and the image information of the target; and information fusion includes coordinate conversion, time aligning, data decision and first data association. According to the system and the method disclosed by the invention, fusion of the target data acquired by the radar and image information acquired by the video acquisition equipment is realized through information fusion including coordinate conversion, time aligning, data decision and data association; complementation of advantages of radar data and video data is realized; the stability is high; influence by environment is small; and the anti-interference capability is high.

A porous polymer sheet or membrane is provided with a thin coating of an electrically non-conductive ceramic composition and the coating conforms to all surfaces, including the pore surfaces, of the membrane. Such a coated membrane serves well, for example, as an intra-cell separator in a lithium ion battery. The coating increases the mechanical properties and thermal stability of the separator in battery operation and retains electrolyte. The coating may be formed by a two-step vapor-phase process in which atoms of one or more metals such as aluminum, calcium, magnesium, titanium, silicon and / or zirconium are deposited in a conformal layer on a workpiece surface. The metal atoms may then be reacted with ammonia, carbon dioxide, and or water to form their respective non-conductive nitrides, carbides, and / or oxides on the surface. The two-step process is repeated as necessary to obtain a ceramic material coating of desired thickness.

The invention relates to the technical field of a polyurethane pouring sealant, and particularly relates to a halogen-free flame retardant heat conduction polyurethane pouring sealant. The halogen-free flame retardant heat conduction polyurethane pouring sealant is formed by uniformly mixing 100 parts by mass of component A and 15-25 parts by mass of component B, wherein the component A comprises 30-45 parts by mass of polymer polyhydric alcohol, 15-25 parts by mass of halogen-free flame retardant, 40-55 parts by mass of heat conducting filler, 0.1-2 parts by mass of defoaming agent and 0.1-2 parts by mass of catalyst, the component B is isocyanate, and the polymer polyhydric alcohol is one of or a mixture of castor oil and polyether polyol. The halogen-free flame retardant heat conduction polyurethane pouring sealant does not contain halogen and has high conductivity of heat, high flame resistance and strong mechanical property. Meanwhile, the invention also discloses a preparation method of the halogen-free flame retardant heat conduction polyurethane pouring sealant. The preparation method is simple in process and has strong operability.

The invention discloses a parking lot parking space detection method based on multi-sensor information fusion. The method comprises the following steps: step 1, placing a laser radar, a gyroscope and an accelerometer on a movement platform, and driving the movement platform to move in a parking lot; step 2, during a movement platform moving process, acquiring detection data of the laser radar and preprocessing the detection data; step 3, utilizing the preprocessed detection data for sequentially carrying out feature extraction and pattern matching, and recognizing local parking space information in the parking lot; step 4, analyzing data acquired by the gyroscope and the accelerometer, determining a position and a gesture of the movement platform, and correcting the local parking space information through gesture calculation of the movement platform; (5) overlaying multiple local environments to generate a scene map of parking lot empty parking spaces. The parking lot parking space detection method provided by the invention can be applicable to intelligent identification of parking spaces of an indoor parking lot, an outdoor parking lot, a roadside parking lot and the like.

The invention relates to a compound microbial fertilizer and a preparation method thereof. The compound microbial fertilizer is characterized by being prepared from the following materials in percentage by weight: 40.0-50.0 % of rape seed cakes, 10.0-20.0% of crops straws, 1.5-3.0% of mycothallus, 0.5-1.0% of bacterium thallus and 35.0-40.0% of water. By using the solid fermentation method twice, the invention organically combines the fungi (Trichoderma harzianum and Aspergillus aculeatus for biological control effect) and the bacteria (Bacillus subtillis and Bacillus megatherium for growth-promoting effect), and realizes a simple preparation method. The compound microbial fertilizer has the advantages of environmental condition resistance, high count of active viable bacteria, less influence by the environment after application, slow release of thallus and long-term effective colonization at rhizosphere of plants, promotes plant growth and simultaneously has a certain biological control effect on soil-borne diseases.

The invention discloses an underwater outer circular pipe cleaning and detecting robot, which comprises a chassis, a propeller propulsion system, a center of gravity adjusting mechanism, a cleaning system, a manipulator, a light communication system and an operation detecting tool. The chassis is located below the robot, and is used for providing a stable operation platform to support and drive the robot to crawl; The propeller propulsion system is fixed on the upper part of the chassis for driving the robot to suspend; The center of gravity adjusting mechanism is located below the chassis foradjusting the center of gravity position of the robot. The cleaning system is fixed under the front part of the chassis and is used for underwater cleaning. The manipulator is fixed on the front partof the robot chassis and used for grasping the operation detection tool. Light communication system is used to provide lighting, camera and external communication functions. At that same time, the invention has the function of cleaning and detection, has flexible operation, small environmental influence, large operation time window and moderate operation cost, can provide a stable detection platform for the detection of offshore and underwater facilities, and improves the detection precision.

Low concentrations of silicon in an etchant solution are analyzed by adding a predetermined concentration of fluoride ions to a test solution comprising a predetermined volume of the etchant solution, and measuring the concentration of fluoride ions in the test solution. Reaction with silicon ions in the test solution reduces the concentration of fluoride ions, which are present in stoichiometric excess, so that the silicon concentration of the etchant solution can be calculated from the difference between the predetermined and measured concentrations of fluoride ions in the test solution. The method is especially suited for analysis of silicon nitride etchants comprising a high concentration of phosphoric acid.

The invention discloses a composite material section bar as well as a preparation method and an application thereof in preparation of a solar photovoltaic module. The composite material section bar comprises fiber reinforcement and resin, wherein the mass ratio of the fiber reinforcement to the resin is (6-9): (1-4), and the fiber reinforcement is the mixture of mixed fibers and mixed fabrics. The composite material section bar can be used for preparing the solar photovoltaic module, has the advantages of lightness, hardness, high mechanical strength, good bending strength, high temperature resistance, low cost, low energy consumption, and very good corrosion resistance and can be applied to regions with environments such as high air temperature, high humidity and high concentration of salt and alkali. The composite material section bar is little influenced by the environments, has good electrical insulation property and can not be subjected to earthing treatment.

The invention discloses a three-dimensional shape sensing monitoring method and system based on a multi-core optical fiber, and the method comprises the steps: obtaining the strain measured by all fiber gratings on each measuring section of the multi-core optical fiber, and obtaining the curvature and bending direction of each measuring section through inversion; performing interpolation and encryption processing on the curvature of each measuring section according to the measuring section interval to obtain a curvature function of each measuring section; substituting the curvature function ofeach measuring section into a Frenet equation set to obtain a vector expression of each measuring section; performing iterative operation according to the vector expression of each measuring sectionto obtain a central coordinate of each measuring section; and performing three-dimensional shape reconstruction according to the central coordinates of each measuring section, and determining the three-dimensional shape of a to-be-measured structure. According to the method, the key technical problems of three-dimensional shape autonomous sensing and diagnosis, curvature demodulation, three-dimensional shape reconstruction and the like are solved, and the requirements of future structural environment sensing and shape self-adaptive active control can be met.

The invention relates to a lane line detection method, and belongs to the field of automobile active safety. The method comprises the steps that (1) a camera captures a video image; (2) edge enhancement is performed on the captured video image; (3) a self-adapting threshold selection method is adopted for the image after being processed through the edge enhancement to calculate a binarized threshold, and a binarized image is obtained; (4) lane line inner side edge point extraction is performed on the binarized image; (5) partition Hought transformation is adopted for the extracted image data for fitting lane lines. In the method, a self-defining difference algorithm is adopted, so that the lane line edges are enhanced well, and the problem that in the prior art, an automobile has a traffic accident due to lane deviation is solved.

The invention belongs to the technical field of agricultural product quality analysis, and particularly relates to a near-infrared detection method for the peanut quality and application. The method comprises the following steps that peanut samples are collected, physical and chemical testing is performed on the peanut samples, near-infrared scanning is performed on the peanut samples, denoising processing and preprocessing are performed on obtained light absorption values, obtained preprocessed light absorption values are analyzed, near-infrared spectrum characteristic wavelengths are obtained through screening, and a prediction model of the peanut quality is built through a stepwise regression method. According to the near-infrared detection method for the peanut quality and the application, the obtained information is intuitive and reliable, the characteristic wavelengths of the peanut quality are determined and are few in number, and the analytical method that the model is built through the characteristic wavelengths is applied, so that the model precision is improved; on the condition of the same prediction precision, the prediction speed is high; meanwhile, through the built near-infrared prediction model method for the moisture, protein, fat, total sugar and ash content of peanuts, the peanut quality can be analyzed more comprehensively, and usage and popularization are easy.

Methods of controlling plant diseases mediated by bacterial or fungal plant pathogens. The method comprises providing Streptomyces scopuliridis strain RB72 or an isolated protein or polypeptide comprising the amino acid of SEQ ID NO:1 and applying the Streptomyces scopuliridis strain RB72 or the isolated protein or polypeptide comprising the amino acid of SEQ ID NO:1 to plants or plant seeds under conditions effective to treat plant diseases mediated by bacterial or fungal plant pathogens. Also disclosed is a plant or plant seed treated by this method, a planting composition, and a method of enhancing growth.

The invention relates to an aquatic amino acid preparation and a preparation method and aquatic feed thereof, wherein the aquatic amino acid preparation comprises an amino acid raw material and a capsule auxiliary material, and is an amino acid microcapsule preparation prepared by a preparation method of the microcapsule preparation. The preparation method comprises the following steps: (1) preparing the amino acid raw material and the capsule auxiliary material; (2) melting the capsule auxiliary material; (3) emulsifying, shearing and agitating the melted capsule auxiliary material and the amino acid raw material at high speed; (4) insulating heat for the mixed material and spraying to prepare microcapsule particles; and (5) cooling and sieving the microcapsule particles to collect the prepared finished products of the amino acid microcapsule preparation. The aquatic feed is the aquatic feed in which the amino acid microcapsule preparation is added. The aquatic amino acid preparationhas better slow release property, special controlled release property, good anti-water-solution-loss property and better free-running property, can effectively promote the synchronous absorption of exogenous amino acid and protein amino acid in the feed, and has the characteristics of low formula cost, high cultivation benefit and little influence on the cultivation water environment.

The invention provides a dead reckoning positioning method based on an ultrasonic sensor and a wheel speed sensor, and an automatic parking system, used for solving the problem that an indoor mobile robot and an auxiliary parking system are difficult to measure the driving state of a vehicle by adopting inertial navigation equipment in the low-speed motion state of the vehicle. A parking space anda parking space coordinate system are determined by utilization of the ultrasonic sensor; data of the wheel speed sensor is used; a dead reckoning algorithm is adopted; the initial posture of the vehicle in the parking space coordinate system and the vehicle posture in the parking process are located; and the method can be used for the mobile robot to autonomously search the position of a charging pile in the field of mobile robots.

The invention relates to a modular dike which is intended for shore protection. The inventive dike is based on a reduced number of different prismatic, tubular modules including one quadrangular-section module, two triangular-section modules and a straight trapezoidal-section module. The aforementioned modules are equipped with tongue-and-groove coupling means for the stacking thereof and lateral fixing means such that it is possible to produce a dike of any width, height and section. Moreover, the modules have a thickness of the order of 2.5 metres, a similar height and a length of between 6 and 12 metres. In this way, the dimensions of the modules are suitable for the standard containers that are used to transport goods by road and, more specifically, the constituent modules of the dike can be transported by road on the standard transport network used for the containers. Furthermore, the modules are provided with large lightening holes and, following installation, the modules can be stabilised using, among other means, sand-filled geotextile bags which are disposed therein.

The invention discloses a cervical vertebra rehabilitation and health care training aiding system, which comprises a headband and a computer, wherein a three-axis acceleration sensor, a microcontroller and a signal transmission module are arranged on the headband; the microcontroller collects three axial acceleration signals and sends the three axial acceleration signals to the computer through the signal transmission module; the computer receives the acceleration signals and transmits the acceleration signals to a cervical vertebra rehabilitation and health care training application program inside; the application program builds a virtual object for simulating head movement, utilizes information technology to build a virtual cervical vertebra training environment and preset an efficient and interesting training mission, i.e. presets mouse or keyboard movement corresponding to the movement of the virtual object in a two-dimensional space or a three-dimensional space, and drives the virtual object to move correspondingly according to mouse or keyboard movement converted by the three axial acceleration signals. Meanwhile, the application program judges whether the head movement meets a preset training mission requirement or not in real time according to acceleration information, and if not, a text, voice and / or picture prompt is displayed.

The invention provides an aluminate cement material containing. Q phase mineral that weight percenge is 40-80. The invention cement material has advantages of excellent functin of early strength and quick hardening, low firing temp., chalk containing magnesium-silicon and low-grade bauxite can be used as raw material to produce the cement material with high aluminium and low calcium.

The invention discloses a method for repairing soil polluted by arsenic. The method is characterized by comprising the following steps: (1) taking a stabilized medicament and mixing with the soil polluted by arsenic, and conserving, wherein the stabilized medicament is prepared from the following components: FeSO4.7H2O, CaO and water; (2) taking a curing agent and mixing into the soil treated by the step (1), and conserving, wherein the curing agent is prepared from the following components: cement, water, sodium silicate and bentonite. By adopting a manner of combining the stabilized medicament with the curing agent and injecting in situ, the site soil polluted by heavy metal is subjected to curing and stabilization treatment, and the leaching concentration of heavy metal arsenic in the treated soil is lower than IV type water standards in the Underground Water Quality Standards (GB / T14848-93).

Under the guidance of a national policy, a technique for producing a biomass fuel by using crop straws is developed slowly so that the development of a downstream energy-consumption industrial (power generation, industries, civilian uses and the like) technique is obstructed. The straws are only used by civilian parts, and most of the straws are burnt. Mainstream techniques developed on markets comprise a biomass fuel granule granulating machine and a ring model briquetting machine, and both machines adopt a mechanical force compression technical scheme and do not solve technical problems fundamentally. The technical scheme of the invention is that: according to physical and chemical properties of the main components namely cellulose, hemicellulose and lignin of the straws, the cellulose, the hemicellulose and the lignin are separated from one another under a certain process condition; the cellulose is promoted to swell and increase an inter-felting capacity; the hemicellulose and thelignin are transformed, degraded and condensed into a phenolic aldehyde condensation compound to play a role of phenolic aldehyde resin; under the action of mechanical force, the phenolic aldehyde condensation compound is compressed and formed, and the density of a product fuel brick is between 1 and 1.4 tons / cubic meter; and each ton of the straw biomass fuel is amounted to about 0.5 ton of standard coal.

The invention relates to a fatigue drive detecting method based on eye features. The fatigue drive detecting method based on the eye features comprises the following steps that a face detection classifier is established; drive state images of a driver are collected in real time; the eyes of the driver are accurately positioned in the drive state images; in continuous video images, according to the positions of the eyes in the image of the last frame, the positions of the eyes in the image of the current frame are accurately predicted; according to the predicated positions of the eyes, the positions of the eyes are accurately positioned, and the positions of the eyes on the last frame are replaced by the new positions of the eyes; whether the eyes of the driver are opened or closed is judged, and according to the ratio of the number of closed eye frames within unit time, whether the driver is in the fatigue drive state or not is judged; if the driver is in the fatigue drive state, an alarming reminding is conducted or a real-time video of the driver in the fatigue drive state is sent to a remote server, and a remote order is received. The fatigue drive detecting method based on the eye features has the advantages that the monitoring accuracy is high, the leak detection and false detection rate is low, the environmental influence is small, the speed is high, and the cost is low.

The invention discloses a wireless idle brake control system and control method for a railway wagon. The control system comprises a locomotive brake control system and a vehicle brake control system; the locomotive brake control system comprises an operator, a display screen and a control module; the vehicle brake control system comprises an electric control device and an execution module; the control module is communicated with an electric control device of each vehicle by a wireless ad hoc network; the control module and the electric control module of each vehicle are nodes of the wireless ad hoc network. By using the wireless ad hoc network technology, in the operation of a railway wagon train, a brake release signal becomes a wireless network signal and is transmitted to the rear vehicles, and the transmission speed is improved, so the rear vehicles act at the time as consistent as possible, the longitudinal force in the brake process of the train is reduced, the impact among the vehicles is reduced, a bus cable does not need to be arranged on the train due to the wireless signal transmission mode, the operation that stations are arranged along the railway line as relay points is not needed, and the influence on the environment of the railway line is smaller.

The invention provides a method (200) of operating a metal foundry (2), in particular a green sand metal foundry (2): so as to lower the environmental impact of the operation of the metal foundry. The metal foundry (2) comprises at least one metal foundry machine (10) such as at least one of a vertical green sand moulding machine (30). mould conveyor (50), shake out machine (60) or a sand cooler (70). The at least one metal foundry machine (10) produces at least one environmental disturbance: when used in the operation of the metal foundry (2), The method (200) comprises the steps of obtaining at least one measurement of the at least one environmental disturbance (210), obtaining at least one instruction (220) of the at least one metal foundry machine on the basis of the at least one measurement, the at least one instruction configured to cause a decrease of the at least one environmental interference, and using the at least one instruction (280) to operate the at least one metal foundry machine (10). The at least one instruction is preferred obtained using a lookup table or a function based on the at least one measurement. A system (100) for performing the method and a metal foundry (2 comprising the system are also provided.

The present invention relates to medium- or high-voltage equipment having low environmental impact, including a leaktight enclosure in which there are located electrical components covered with a solid dielectric layer of varying thickness and a gaseous medium for providing electrical insulation and / or for extinguishing electric arcs that are likely to occur in said enclosure, and that comprises heptafluoroisobutyronitrile in a mixture with a dilution gas.

The invention provides a controlled release fertilizer special for saline alkali soil improvement. The controlled release fertilizer is characterized by being prepared from 25-35 wt% of medical stone, 5-10 wt% of potassium chloride, 5-15 wt% of mineral powder, 25-30 wt% of organic fertilizer and water, and the sum of the all components is 100%; the active solid strains include lactic acid bacteria, bacillus subtilis, bacillus megatherium, trichoderma, aspergillus niger, monascus, trichoderma harzianum, aspergillus aculeatus and yeast; the mineral powder is one or a mixture of peat, zeolite, vermiculite, montmorillonite, calcium carbonate and expanded perlite, the fineness of the mineral powder is less than or equal to 200 meshes, the organic fertilizer contains a fermented manure fertilizer, a rape seed cake fertilizer and straw, and the weight ratio of the fermented manure fertilizer to the rape seed cake fertilizer to the straw is (5-7.5):(2.5-3.5):(0.5-1.5).

The invention relates to a preparation method of humic acid-containing water-soluble fertilizers with a rooting effect. Soil loosening agents, wetting seeping agents and rooting agents are uniformly mixed according to a certain mass ratio, and a rooting composition is obtained; macro elements, humic acid-containing organic matters, medium elements, trace elements and auxiliary materials are added into a stirring container according to a certain mass ratio; then, the rooting composition is added; the materials are uniformly stirred; the humic acid-containing water-soluble fertilizers with the rooting effect are obtained. The preparation method has the advantages that the cost is low; the rooting effect is good; no side effect exists.

The invention provides an elevator speed measuring device capable of reducing environment affects during measuring the speed of an elevator. The elevator speed measuring device comprises a shooting portion and a computation portion, wherein the shooting portion shoots the dark field images of a supporting member which supports an elevator compartment and moves with the elevator compartment, and the computation portion calculates the speed of the elevator compartment according to the dark field images.