208results about How to "Damage minimization" patented technology

The invention discloses a preparation method of a continuous filament of an asphalt-based carbon fiber, and belongs to the field of carbon fiber production. The preparation method solves the problems that the existing spinning speed is lower, the fiber bundle damage is large, the infusibility efficiency is low, and doubling and embrittlement are easy. The preparation method comprises the specific process steps that a, spinning asphalt is extruded into fines by spinning position fusion, humidified, oiled and bundled to form a protogenic asphalt fiber bundle; b, double roller stranding and tensioning are conducted; c, the asphalt fiber bundle is wound on a spinning roller sleeve; d, an asphalt fiber reel is immersed in an oxidability liquid phase, and a liquid-phase oxidized fiber bundle reel is obtained; e, the reel is immersed in a high-temperature-resistant oil solution; the filament is unreeled and rollers are removed at a low speed; the oxidized fiber bundle continuously enters a continuous infusible furnace and a continuous low-temperature pre-carbonization furnace to form a pre-carbonization fiber bundle reel; and f, drawing heat treatment is conducted through a continuous carbon-fiber high-temperature carbonization furnace and a graphitization furnace, and then the continuous filament of the asphalt-based carbon fiber is obtained.

A comprehensive localized therapy method and equipment for tumor features that various endoscopes are used to inject the magnetic immune microspheres carrying biologic medicine and the antineoplastic magnetic chemical medicine into tumor focus, the liquid radioactive source is poured in the inner cavity of catheter, and an alternative magnetic field is generated around the tumor focus to induce the microspheres to generate heat and adsorbing the antineoplastic medicine to round the tumor focus. Its advantage is the combination of biotherapy, chemicotherapy, radiotherapy and thermotherapy.

The invention discloses a device for controlling the misfire of a spark ignition engine. The device comprises an ignition coil, a spark plug, an ionic current detection unit, a signal processing unit, a micro control unit and an ignition driving unit, wherein the ignition coil is used for providing an ignition power source to the spark plug; the spark plug is used for igniting in an air cylinder;the ionic current detection unit is used for detecting the ionic current of the ignition coil and sending the ionic current to the micro control unit; the signal processing unit is used for receivingan engine working state signal, processing the engine working state signal and then sending the processed engine working state signal to the micro control unit; the micro control unit is used for judging whether misfire happens or not according to the received ionic current and the engine working state signal; and the ignition driving unit is used for driving the ignition coil and controlling thespark plug to ignite if misfire exists. The invention also discloses a method for controlling the misfire of the spark ignition engine. According to the invention, the damage caused by misfire is minimized through misfire control.

A class of bearings, each of them can be used as a connecter to connect two parts in a structural system and as a supporter to transfer loads from one part to another, for examples, gravity of a superstructure to a substructure in a bridge or a building, or that of a machine to its foundation. While performing load transmission, it is able to reduce the transmission of transient vibrations between connected two structural parts and preserve the integrity of entire structural system; for examples, to protect a bridge's structural integrity when either an earthquake strikes its pier and foundation or a tsunami hits its superstructure or both occur simultaneously.

The invention relates to a method for determining the content of oxynitride in air. The method comprises the following steps: continuously enabling air collected in atmosphere with a predetermined flow and at a preset time to pass through a first absorption tube, an oxidization bottle and a second adsorption tube which are connected in series to absorb oxynitride in reaction air; putting an absorption liquid which is reacted with air in absorption reaction in the first and second adsorption tubes into a reaction bottle filled with a diazo reaction liquid for diazo reaction; putting a diazo reaction liquid which is reacted in diazo reaction in the reaction bottle filled with the diazo reaction liquid into a reaction bottle of a coupled reaction liquid for azo reaction; and by taking a blank liquid of a reagent as a reference liquid, determining the absorbancy of the diazo reaction liquid after azo reaction and calculating concentration of oxynitride in air based on a standard work curve, wherein the vertical coordinate and horizontal ordinate of the standard work curve are respectively absorbancy and nitrite concentration. The determining method is convenient and efficient to operate, relatively high in sensitivity, accurate in result and suitable for popularization.

Techniques, systems, and devices are disclosed for synthetic aperture ultrasound imaging using spread-spectrum, wide instantaneous band, coherent, coded waveforms. In one aspect, a method includes synthesizing a composite waveform formed of a plurality of individual orthogonal coded waveforms that are mutually orthogonal to each other, correspond to different frequency bands and including a unique frequency with a corresponding phase; transmitting an acoustic wave based on the composite waveform toward a target from one or more transmitting positions; and receiving at one or more receiving positions acoustic energy returned from at least part of the target corresponding to the transmitted acoustic waveforms, in which the transmitting and receiving positions each include one or both of spatial positions of an array of transducer elements relative to the target and beam phase center positions of the array, and the transmitted acoustic waveforms and the returned acoustic waveforms produce an enlarged effective aperture.

The invention relates to a comprehensive detoxification and cleaning process for chromium slag by roasting and oxidation. The technical solution adopted is: a comprehensive detoxification and cleaning process of chromium slag roasting and oxidation, characterized in that: chromium slag is used as raw material, chromite and soda ash are auxiliary materials, and the material ratio is: chromium slag: chromite ore: soda ash=2:1 :0.6, at the roasting reaction temperature of 1050°C, the chromium trioxide in the mixed material is roasted and oxidized at high temperature to form sodium chromate, the conversion rate is more than 80%, and the extraction liquid is used as the mother liquor for the production of red alum sodium products. The main process flow: roasting and oxidation + ball mill leaching + plate and frame filter press dehydration + liquid production red alum sodium production + filter cake secondary beating to extract supernatant + acidification solidification + landfill or building materials. The total chromium content in the detoxification slag is low, and the comprehensive utilization rate is high, which solves the post-disposal problem existing in the traditional dry and wet chromium slag detoxification process, and the cost is low. The method is also applicable to the roasting production with calcium, less calcium and calcium-free in chromium salt production enterprises, and the effect is equally remarkable.

The invention relates to a manufacturing method of soymilk, which has the minimum damage to the nutrient composition and enables to improve the flavor and the mouthfeel when maintaining the compact tissues and elasticity. An apparatus therefore is also disclosed. The soymilk manufacturing method comprises the following steps of preparing soymilk materials including water and beans, heating the soymilk materials to a first temperature, keeping the first temperature, cooling the soymilk to a second temperature lower than the first temperature, keeping the second temperature, crushing the soymilk materials and cooling the crushed soymilk materials. The soymilk manufacturing method further comprises the steps of preparing the soymilk materials, heating the soymilk materials to a first temperature, keeping a first temperature, crushing the soymilk materials, heating the crushed soymilk materials to a second temperature high than the first temperature and cooling the soymilk materials.

The invention relates to the field of agricultural machinery and in particular relates to an air-sweeping type grape vine earth cleaner. The air-sweeping type grape vine earth cleaner comprises a mainrack, an earth cleaning hairbrush assembly, an earth cleaning fan assembly, a scraper assembly, two universal wheels and two depth limiting wheels. The main rack comprises a rack, a three-point connector, a gearbox, an air outlet position adjusting outer square tube, an air outlet position adjusting inner square tube and air outlet level angle adjusting guide rails; the earth cleaning hairbrush assembly comprises a hairbrush belt pulley, a hairbrush belt, a belt tensioning wheel, a hairbrush body, a lifting plate, a lifting plate balanced round tube, a hairbrush body shaft bearing block, a hydraulic cylinder and a hairbrush shaft; the earth cleaning fan assembly comprises a fan, a fan belt pulley, a fan belt, an air pipe, an air outlet and an air outlet adjusting device; and the scraper assembly comprises a scraper, a scraper supporting round tube and a scraper fixing sleeve. According to the tool, the earth cleaning uniformity can be effectively ensured, the labor intensity is alleviated, and rural income is increased.

The invention discloses a method for enhancing power grid system robustness through link switching state optimization. According to the method, an appropriate network protection strategy is designed for the cascade failure phenomenon from the perspective of a complex network. Firstly a model of combination of electronic properties and network topology information is established; then cascade failure propagation is suppressed by using the protection strategy of cutting off the corresponding link so that damage of cascade failure to a power grid can be reduced, a situation that the number of the cut-off link is enabled not to be high in actual operation is considered and a power grid link state control problem is converted into a multi-target optimization problem; and finally the multi-target optimization problem is solved by using a non-dominated sorting binary differential evolution algorithm, and the switching state of each link of the power grid is controlled according to the optimal link scheme. The electronic properties of the power grid are considered, the network protection strategy of cutting off the appropriate link is used, and robustness of the power grid can be enhanced under the condition of few cut-off links so that damage of cascade failure to the power grid can be effectively reduced.

The invention provides a day-ahead hierarchical coordinated dispatching method used for an active power distribution network. The method comprises the following steps of: carrying out the optimized dispatching on source load resources; carrying out network reconstruction optimization among a plurality of feeder lines of the active power distribution network; carrying out coordinated correction on the active power output of the source load resources; and judging the active dispatching correction result of each source load resource. By use of the technical scheme provided by the invention, the operation optimization difficulty of the active power distribution network can be simplified, a calculated amount is reduced, the advantages of a disturbed power supply, an adjustable load and power distribution network reconstruction are utilized to a maximum degree, and therefore, the damage and the influence of the disturbed power supply, the adjustable load and the power distribution network reconstruction on the operation of the power distribution network are minimized.

A method for depositing an organosilicate layer on a substrate includes varying one or more processing conditions during a process sequence for depositing an organosilicate layer from a gas mixture comprising an organosilicon compound in the presence of RF power in a processing chamber. In one aspect, the distance between the substrate and a gas distribution manifold in the processing chamber is varied during processing. Preferably, the method of depositing an organosilicate layer minimizes plasma-induced damage to the substrate.

A boning apparatus for the thigh of a chicken includes a thigh transfer line which reversely hangs and transfer the thigh of the chicken; a thigh pretreatment assembly arranged on the path of the abovementioned thigh transfer line and used for cutting the periphery of the knee joint part of the thigh; and a thigh boning assembly which pulls out chicken meat from the knee joint part of the thigh that passes the abovementioned thing pretreatment assembly and separates thighbones.

A method of repairing, reinforcing or reinstating a bridge, comprising fixing a reinforcing plate in a spaced relationship with an existing plate or girder, especially on the underside of the bridge structure, to form a closed cavity, and injecting plastics or polymer material into said cavity in liquid form, whereby said plastics or polymer material sets or cures so as to bond to said reinforcing and existing plates with sufficient strength to transfer shear forces therebetween.

The present invention relates to an apparatus for controlling a sliding door, the apparatus allowing a user using a door configured to slide automatically to safely move to the inside and outside of the door. The apparatus comprises: a door movement detection unit configured to detect movement information of the sliding door from an image of a camera that captures an image of the inside of the sliding door; a moving object movement detection section configured to detect movement information of the moving object inside and outside the sliding door from the video image; a track intersection object detection section configured to detect presence information of an intersection object that intersects a track of the sliding door from the video image; and a door opening/closing control section configured to combine the information detected from each of the detection sections to control opening/closing of the sliding door.

A drive system with full surface drive contact. The drive system tends to maximize the surface contact pattern or area at typical bit-recess reaction (drive) torque values, thereby tending to minimize bit-recess surface contact stresses, coating damage, recess ream and premature bit fatigue failure. An object of an embodiment of the present invention is to provide a drive system with full surface drive contact. An object of an embodiment of the present invention is to provide a drive system that tends to maximize the surface contact pattern or area at typical bit-recess reaction (drive) torque values, thereby tending to minimize bit-recess surface contact stresses, coating damage, recess ream and premature bit fatigue failure.

The present invention relates to a bio-gas hydrogen sulfide removal device which can continuously remove hydrogen sulfide in bio-gas. The bio-gas hydrogen sulfide removal device adopts ion exchange fiber Pall ring for bio-gas purification. The Pall ring is filled in a net drum cylinder. The Pall ring is provided with ion-exchange fiber. When the drum rotates, the Pall ring precipitates in a regeneration liquid for ion exchange. Through the internal friction shock of the Pall ring, under the condition of without an external additional device, the regenerated chloride is removed efficiently, so that the hydrogen sulfide scavenging capacity is maintained at the maximum, and the use amount of the regeneration liquid is reduced. In addition, hydrogen sulfide from bio-gas is removed, so that the damage of hydrogen sulfide in the process of using bio-gas is minimized. Corrosion for power equipments and boilers can be prevented by using bio-gas as a fuel.

Provided is a driving control method for a 4wd hybrid electric vehicle. The driving control method comprises: a stage that in a case that changing a driving mode from 4WD to 2WD according to an external requirement, a superior controller calculates the speed of a motor engine capable of being synchronous with wheel speed in reference to wheel speed received from external environment and the sliding values of front wheels and rear wheels, and transmits the speed to an inverter; a stage that corresponding to a speed control signal, the inverter synchronizes the speed of the motor engine; a stage that according to the inverter, the superior controller turns on a clutch, a stage that in order to drive a driving torque of the a motor engine, a torque control signal of the driving torque is calculated and is transmitted to the inverter; and a stage that the inverter drives the driving a motor engine. Having synchronized the wheel speed with the speed of the driving engine, the driving control method may minimize generated constant-speed damage by turning on or off the clutch when changing a driving mode from 2WD to 4WD.

A tool for suture or insertion according to the present invention is a tool for suturing using a fiber for a living body or for inserting a fiber for a living body, which comprises a body, a hollow head connected with one end of the body, and a needle member including a first opening formed on the head. The present invention minimizes the damage on the small vein or muscles during suturing or inserting, and inserts the fiber for a living body into a surgical procedure area in a spiral form.

There is provided a refrigerator. The refrigerator includes an icemaker for making and discharging ice, an ice bank for storing the ice discharged from the icemaker, an ice discharge duct for discharging the ice stored in the ice bank to the dispenser, and an approaching prevention unit that is disposed in the ice discharge duct to prevent a user from approaching the ice bank through the dispenser.

The invention discloses a washing device and a control method thereof. The washing device includes an input section selecting the washing mode based on the likes of the fruits and vegetables; a plurality of spray holes; a spray nozzle selecting at least part of the plurality of spray holes according to the washing mode and spraying the wash water; a washing pump supplying it to the nozzle pressure of the spray nozzle; a water supply valve controlling the water supply operations of cold water and warm water; and a control section, controlling the operations of the spray nozzle, the washing pump and the water supply valve. The invention modulates the water pressure and spray states of the wash water based on the likes of the fruits and vegetables, so that the damage to the fruits/vegetables is minimized and the effective washing operations can be processed. In addition, the invention sets up an additional assistance shelf for accommodating the fruits/vegetables, which can more effectively improve the washing properties of washing device.

An imaging and treatment device comprises a catheter body, an imaging transducer, and an elongated member. The imaging transducer is disposed at a distal portion of the catheter body. A treatment element is disposed at a distal end of the elongated member, and the elongated member is movable within a lumen of the catheter body.