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814results about How to "High technical content" patented technology

Enhancement of barrier fabrics with breathable films and of face masks and filters with novel fluorochemical electret reinforcing treatment

A respirable one-ply, two-ply or multi-ply barrier fabric including one web comprising an electrostatically charged melt blown fibers nonwoven or a nanofiber/melt blown fibers nonwoven having a weak cationic emulsifier to reduce surface energy of the fibers so as to minimize penetration and wetting by oily mists and to thereby preserve the effectiveness of electrostatic charges applied to fibers. Also disclosed is a two-layer or multi-ply barrier fabric which has at least one barrier fabric layer which is impermeable to liquids such as water and body fluids, but which allows the transport of moisture vapor through the micropores or by chemical absorption of water through a monolithic membrane, which may have additional barrier layers to include melt blown and nanofiber/melt blown composites. One or more layers of the respirable barrier fabric or the moisture transporting microporous (MP) or monolithic (ML) films or combination thereof may contain an antimicrobial agent, fluorochemical or other protective finish, as well as any of the layers of the respirable filter fabric or any of the layers of the filter ensemble as well as any layer of the liquid barrier moisture transporting barrierfabrics. Furthermore, the protective fabrics may contain a porous or absorbent fabric or film on the body side for enhanced thermal comfort, and other additives may be included in the fabric ensembles such as activated carbon particles, or activated carbon particles, or other sorbents, or superabsorbents o to absorb odors or toxic chemicals.
Owner:TENNESSEE RES FOUND INC UNIV OF

Anti-seepage and leak-blocking construction method for excavation of subway foundation pit in soft soil area

The invention discloses an anti-seepage and leak-blocking construction method for excavation of a subway foundation pit in a soft soil area, which comprises the following steps: 1) joint pre-reinforcement construction of an underground continuous wall: constructing a pre-reinforcement structure of a high-pressure rotary jet grouting pile, guiding holes, grouting by a sleeve valve pipe, sealing the holes, guiding the holes again and pre-burying the sleeve valve pipe for standby; and 2) the excavation of the foundation pit and the anti-seepage and leak-blocking construction: using surface floating earth for clearing and using the encased steel plate reinforcement method for anti-leak treatment for the situations that joints of the underground continuous wall have defects definitely and risk points are positioned below the excavation surface of the foundation pit, adopting the hole-guiding cyanogen injection condensing method for blocking of leak points with slight water leakage situation, adopting the horizontal hole grouting method for blocking for the water leak points with serious water leakage situation, and carrying out filling, grouting and reinforcement through the pre-buried sleeve valve pipe after completing the blocking. The method has reasonable design, convenient construction, comprehensive consideration, good anti-leak and leak-blocking effect, fast leak-blocking speed and can solve the problems of pipe blocking, poor anti-leak and leak-blocking effect, slow construction progress and the like in the existing anti-leak and leak-blocking construction.
Owner:TIANJIN CONSTR ENG CO LTD OF CHINA RAILWAY FIRST GRP CO LTD +1

Unmanned aerial vehicle cruising and monitoring system for forest fire

The invention provides an unmanned aerial vehicle cruising and monitoring system for forest fire. The weight of the unmanned aerial vehicle is reduced, flight time is prolonged, an unmanned aerial vehicle cruising range is enlarged, route planning is carried out for fire monitoring, and an unmanned aerial vehicle flight control system is combined with a geographic information system. The route planning not only guarantees monitoring quality and monitoring full coverage but also considers the hardware parameters and the flight safety of the cruising unmanned aerial vehicle, a rotary head carries a thermal infrared imager and a colorful high-definition camera, the thermal infrared characteristics of the image of the forest fire are fully utilized, and an automatic monitoring and identification method for forest fire information is designed. Even if the forest fire monitoring distance of the unmanned aerial vehicle is long, fire characteristics can be accurately captured. A colorful high-definition image is compressed and transmitted back to a ground command post, a high-definition fire video image can be quickly transmitted to the ground, a fire position can be accurately reported, so that convenience is brought to the ground command post in accurately judging a fire situation and organizing people to fight the fire, and precious fire-fighting time is saved.
Owner:刘秀萍

Mining area surface subsidence synthetic aperture radar interferometry monitoring and calculating method

InactiveCN103091676AAddresses issues requiring more surface control pointsClear process structureRadio wave reradiation/reflectionTerrainInterferometric synthetic aperture radar
A mining area surface subsidence synthetic aperture radar interferometry monitoring and calculating method belongs to mining area surface subsidence monitoring and calculating method. The method comprises the following steps: having format conversion, calibration, pre-filtering and interference to interferometric synthetic aperture radar (InSAR) data to obtain an InSAR interference phase, eliminating flat ground effect, an terrain phase and orbit errors of the interference phase by means of precise orbit data and an external dynamic effect model (DEM), obtaining phase values which only contain deformation information of a ground surface after filtering to residual phases, on the condition of large deformation gradient, through phase unwrapping, obtaining deflection of the edge of a mining subsidence basin, fusing the deflection with a few ground measured data, reversely deducing probability integral method parameters of the subsidence basin through a genetic algorithm, calculating sinking values of an arbitrary point of the whole surface subsidence basin through required probability integral method parameters and geological mining data, and therefore mining subsidence deformation field is produced. The mining area surface subsidence synthetic aperture radar interferometry monitoring and calculating method has the advantages of being high in monitoring accuracy, large in monitoring range, convenient to operate, low in cost and large in technical content.
Owner:CHINA UNIV OF MINING & TECH

Method for biologically improving saline-alkali soil

The invention discloses a method for biologically improving saline-alkali soil. The method includes the steps of 1, deep ploughing and deep tilling the saline-alkali soil and making the saline-alkali soil exposed under the sun, 2, digging wells to lower the underground water level, 3, constructing tall ridges, 4, adding biological modifiers and turning over the soil after the biological modifiers are evenly broadcasted to effectively increase organic matter and nutrients in the soil, loosen the soil, enrich microbial flora in the soil, increase activity of the soil, and neutralize saline and alkaline through some activated adsorption base ions in the modifiers, and 5, planting oats to absorb part of the base ions in the soil, convert the base ions into substances needed by growth of the oats and reduce the content of saline and alkaline of the soil. The method can be suitable for saline-alkali soil formed due to different factors, and the saline-alkali soil is improved through physical measures, water conservation measures, utilization of the biological modifiers and plantation of the oats. The method has the advantages that improvement economic benefits can be achieved early, operation is easy to conduct, promotional reproductively is high, improvement is sustainable, effects can be accumulated, in situ saline-alkali soil improvement can be achieved, and improvement cost is reduced.
Owner:SHANGHAI CHUANGBO ECOLOGICAL ENG

Packaging part with double-row pins and four flat and pin-free surfaces and production method thereof

The invention relates to a packaging part with double-row pins and four flat and pin-free surfaces and a production method thereof. The packaging part comprises a lead frame carrier, an IC chip, a bonding pad, inner lead pins, bonding lines and a plastic packaging body and is characterized in that the inner lead pins are arranged into two rows, i.e. the inner lead pin (4) and the inner lead pin (5), each pair of lead pins are connected together, a groove is arranged in the middle of the connected pins, the bonding pads are respectively connected with the inner lead pin (4) and the inner lead pin (5) through the bonding lines, an anti-spilling groove is arranged at the bottom of the carrier, and grooves are arranged at the bottoms of the inner lead pins. The packaging part is processed and produced through the processes of reduction, scribing, chip installation, press welding, plastic packaging, electroplating, cutting and the like. The carrier is diminished, the inner lead pins are inwards extended and designed into double rows, and the packaged I/O number is increased, thereby not only markedly saving the cost of plastic packaging materials, but also realizing the thin and miniaturized packaging of portable products, being suitable for multi-pin high-density packaging, and improving the packaging density.
Owner:TIANSHUI HUATIAN TECH

Fermented liquid pasty fertilizer and preparation method thereof

The invention discloses fermented liquid pasty fertilizer which relates to the technology of utilizing fermented liquid for producing pasty and organic compound fertilizer, in particular to a method mixing fermented liquid of livestock manure with humic acid raw materials to prepare the pasty fertilizer and the application of the method, belonging to the technical field of novel organic fertilizer and the cyclic utilization of the resource of agricultural wastes. The pasty fertilizer includes the main component of fermented liquid, and is additionally provided with carbamide, diammonium phosphate, lemery, aminated wood coal, thickening agent and other additives; and the carbamide, the diammonium phosphate, the emery, the aminated wood coal, the thickening agent and the other additives are added to and uniformly mixed and stirred with the fermented liquid, and the mixture is pulverized to form a pasty shape. The invention which utilizes the fermented liquid to prepare the pasty fertilizer turns the wastes into resources, the preparation method is easy, and required equipment is simple, thereby the invention is easy to be easily popularized and applied to the fertilizer industry. The pasty fertilizer has the advantages of favorable dissolvability, full nutrition and obvious effect of yield and quality improvement and can be widely applied to vegetables, fruits, foodstuffs, forests and various cash crops.
Owner:INST OF SOIL & FERTILIZER SHANDONG ACAD OF AGRI SCI

Automobile oblique collision accident analytic computation and simulative reappearance computer system

The invention discloses an automobile oblique collision accident analytic computation and simulative reappearance computer system for road traffic accident assessment of the public security traffic administrative department, which can use basic data obtained by investigating the accident scene to compute driving speed and collision speed of the automobiles in the automobile oblique collision accident, and realize the two-dimension track description, the third-dimension process reappearance, the output of a main computation data table of the automobile oblique collision accident and the output of an accident occurrence process brief text of the accident automobiles. The invention is suitable for being extensively popularized for effectively improving the technological content of traffic accident assessment and treatment so that the analysis assessment result is easy to be highly recognized by the traffic administrative department, the accident assessment authority and the accident parties; the system plays an important role in distinguishing responsibility, avoiding aggravating contradiction, reducing social unstable factor, enhancing harmonious operation of the social life and the like so as to promote the development of the assessment of road traffic accident in our country in a more scientific, accurate and authoritative direction.
Owner:CHANGAN UNIV

Carbonization heat treatment process for wood

Disclosed is carbonization heat treatment process for wood. The technical scheme includes that the wood is loaded in a carbonization kiln, saturated steam is used as a protector, a fain is used for realizing airflow circulation, the inside of the kiln is slowly heated by a hot oil or electric heating system, a high-temperature environment is formed, pressure generated in the kiln is released by a pressure release system so as to form a constant pressure environment, generated flue gas is treated by a water film dust removal system to meet requirements of environmental protection, and steps of the process include a temperature rising and drying stage, a carbonization temperature rising stage, a carbonization stage and a cooling stage. Carbonization colors of the inside of the carbonized wood and carbonization colors of the surface of the carbonized wood are even and uniform, color difference of the surface of the carbonized wood is avoided, the surface of the carbonized wood is bright, and SB / T10508-2008 standards are met. In addition, an integral carbonization process is easy to control, and the carbonization heat treatment process is applicable to wood of various trees. Besides, the carbonization heat treatment process has high technical content, and is low in production cost and favorable for large-scale production.
Owner:开原圣意达木材干燥设备有限公司

Fire disaster self-saving high-speed escaping machine that can be operated and controlled by micro-computer in wireless mode

InactiveCN101095971AEliminate critical defectsQuick and efficient escapeProgramme controlTelemetry/telecontrol selection arrangementsFire - disastersHand held
The invention relates to a fire self-rescuing high-speed life device controlled by micro computer, which can be controlled without wire. The device comprises host computer component, at least a hand-hold wireless remote controller, falling load device and sling component, wherein the host computer component is set at the special life port of building or in the refuge safe room and is connected with the building. The hand-hold wireless remote controller is taken by escaping man or escaping man, escort and ground meeting man all take hand-hold wireless remote controller. The falling load device is connected with the host computer component. The sling component is connected with the falling load device and the host computer component respectively. The device also comprises an air locator, which control the air location of falling load device and the distance between the falling load device and the building outer wall. The air locator is connected with the falling load device and is communicated with the hand-hole wireless remote controller without wire. The device can be controlled by escaping man or escaping man and ground rescuing man. It can control falling speed and space location. It is provided with fire proof and collision prevention performance and safe and reliable use.
Owner:唐海山

UAV (unmanned aerial vehicle) transmission-line patrolling system

The invention relates to a UAV (unmanned aerial vehicle) transmission line patrolling system which is composed of a UAV, an image pickup system and a control system, wherein the image pickup system is arranged on a head rack, the head rack is fixedly connected with the UAV, and the image pickup system comprises a gyroscope part and an image pickup part. According to the invention, loading devices such as gyrostabilized visible light detectors and infrared thermal imaging instruments are arranged on the UAV so as to carry out checking, picture recording and image pickup on a transmission line, so that multiple devices are combined to carry out checking and recording on the transmission line in many approaches, thereby greatly improving the technical contents of transmission line patrolling; and the superiorities of the system are shown more obviously in the places such as high and large mountains or extra (ultra) high-tension power transmission lines which are difficult to be patrolled, therefore, the system is a huge leap in line patrolling, has the advantages of advanced technology, high efficiency, and capability of being not affected by geographical regions, has an important practical significance in improving the economy, security and reliability of patrolling devices, and plays a great helping and promoting role in optimizing task devices for UAV transmission line patrolling.
Owner:天津全华时代航天科技发展有限公司

Garbage classification robot and garbage identification and classification method

The invention relates to a garbage classification robot realizing identification and classification by an infrared sensor, and aims to provide with a trolley for identifying a target object by adopting hardware equipment. The garbage classification robot is characterized by comprising the trolley, wherein the trolley is provided with a garbage box, a mechanical arm for grabbing the garbage and placing the garbage in a garbage can and can rotate, and an intelligent processing unit; and the mechanical arm is provided with the infrared sensor, the trolley is also provided with an ultrasonic sensor in the direction of the mechanical arm, and the ultrasonic sensor and the infrared sensor are both connected with the intelligent processing unit. The garbage classification robot provided by the invention adopts the hardware, namely the infrared sensor to identify the garbage and classify the garbage, and has instantaneity and unique novelty, thus avoiding the phenomena of errors and slow identification caused by image processing; the ultrasonic wave and the infrared sensor are comprehensively applied, so that error of the sensor is remedied; and the whole system adopts an automatic and mechanized implementation manner, thus having high technical content.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Device for automatically detecting flatness and thickness of substrates and separating substrates

The invention discloses a device for automatically detecting the flatness and thickness of substrates and separating the substrates. The device comprises a base, a working table, a substrate supporting table, a substrate box mechanism, a mechanical hand, a computer control system, a laser scanner and substrate separation boxes, wherein the mechanical hand consists of an upper substrate arm and a lower substrate arm; the computer control system controls the upper substrate arm of the mechanical hand to be absorbed to the substrates in the substrate box mechanism and moves the substrates to the substrate supporting table; the computer control system controls the laser scanner to scan the substrates which are placed on the substrate supporting table and classifies substrate data which is obtained by scanning; and after scanning is finished, the computer control system controls the movement direction and angle of the lower substrate arm of the mechanical hand according to data classification, and the lower substrate arm is absorbed to the substrates on the substrate supporting table, moves the substrates and places the substrates into the corresponding substrate separation boxes. The device has the advantages that: parameters of the substrates are detected in real time in an on-line mode; the substrates are separated and classified according to a detection result; and the whole value of a product is improved, and production cost is reduced.
Owner:SHANGHAI BESTITY SEMICON TECH
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