62results about How to "Avoid too much" patented technology

The present invention discloses a mobile terminal based job information pushing method, apparatus and system, which can solve the problems in the prior art that jobs pushed in a job information pushing mode are miscellaneous and low in matching degree, and are inconvenient to browse by a mobile device. The method comprises: obtaining resume information sent by a mobile terminal, and storing the resume information to a resume database, wherein the resume database is used for storing the resume information of all registered users, and each piece of resume information comprises office-holding job information and/or desired job information; obtaining a friend list sent by the mobile terminal, and searching for the resume information corresponding to a friend in the friend list in the resume database; according to the resume information corresponding to the friend in the friend list and through a correlation matching algorithm, searching for the job information matched with the resume information sent by the mobile terminal; and pushing the found job information to the mobile terminal.

The invention discloses a waxing device capable of automatically feeding wax, and relates to the field of auto beauty maintenance devices. The waxing device includes a housing, a motor, a fixing plate and a waxing brush; the motor is positioned on the top of the housing; an output shaft of the motor is connected to the fixing plate; the fixing plate is connected to the waxing brush; the fixing plate is rotatably connected to the housing; a material storage cavity is formed in the housing; a handle is arranged on the left side of the housing; a telescopic air bag is arranged on the upper end of the handle; the telescopic air bag is fixed on the housing; an air inlet hole and an air outlet hole are formed in the telescopic air bag; the air outlet hole communicates with the telescopic air bag and the material storage cavity, and is positioned on the upper part of the material storage cavity; discharging holes are evenly distributed in the fixing plate; one-way valves are arranged in the discharging holes; and the material storage cavity communicates with the waxing device through the one-way valves and the discharging holes. The waxing device can rapidly feed wax in a waxing process, and can improve the waxing efficiency.

The invention discloses a networked control system scheduling method based on a game theory. Steps of the networked control system scheduling method based on the game theory are that a non-cooperative game model of the networked control systems (NCSs) is structured; utility functions of each control loop in NCSs are confirmed; a optimal scheduling strategy is searched; existence and uniqueness of a Nash Equilibrium point is analyzed; the Nash Equilibrium point is solved by utilizing a hybrid adaptive genetic algorithm; a scheduler of the NCSs distributes network resources to each control loop again according to the optimal scheduling strategy of the Nash Equilibrium point. A scheduling mechanism of existing network resources is not depended on by utilizing the networked control system scheduling method based on a game theory. The networked control system scheduling method based on the game theory provides evidences for optimization of network service. The network resources can be used fully. Fair and reasonable competition of each control loop can be ensured. Phenomenon which resources are distributed too much or too little can be avoided. Network resources utilization rate can be improved in a certain degree.

The invention provides a rolling device for an oil containment boom for oil contamination on sea surface, belongs to the technical field of decontamination equipment and solves the problem that a conventional oil containment boom rolling device is relatively strenuous to use. The rolling device for the oil containment boom for oil contamination on the sea surface comprises a rack, wherein a rolling tube for rolling the oil containment boom is rotationally connected onto the rack, a traction frame arranged in the axial direction of the rolling tube is arranged on the rack in front of the rolling tube, an extrusion frame allowing penetration of the oil containment boom is connected onto the traction frame, a driving motor capable of driving the rolling tube to rotate is arranged on the rack, the extrusion frame comprises two strip-shaped connection plates and two extrusion columns, connection columns are arranged vertically in the middle of the outer side surfaces of the two connection plates and rotationally connected onto the inner edges of the left and right sides of the traction frame respectively, one extrusion column is connected between the upper ends of the two connection plates, and the other extrusion column is connected between the lower ends of the two connection plates. The rolling device can roll up the oil containment boom orderly, remove water and oil from the oil containment boom and increase the rolling amount and the rolling efficiency.

The invention belongs to the technical field of water body detection, and particularly relates to a water quality online monitoring system based on a block chain. According to the invention, the system comprises a water quality map enhancement module, a water body moving target detection and tracking module and a water body water quality detection module, the water quality map enhancement module and the water body moving target detecting and tracking module obtain water quality map information, and the water body water quality detecting module calls the water body water quality detection modeland compares the water bodies with standard parameters of a model in the storage device to judge whether water bodies meet standards. The system meets the real-time requirement, and can be transplanted to an embedded system for block chain data transmission. A multi-information multi-feature fusion technology is adopted, water body features and water body irregular features in a water body area are fused, and the accuracy of water body quality detection can be effectively improved.

The invention discloses a treatment device for pitch smoke. The treatment device comprises a treatment box body, a motor and a combustor are arranged at the left end and the right end of the treatment box body respectively, the output end of the motor is connected to a rotating shaft in a transmission mode, the rotating shaft movably penetrates through the left side wall of the treatment box body through a bearing and is fixedly connected to a fan in the treatment box body, a pitch smoke recovery pipe matched with an air inlet of the fan is arranged at the upper end of the treatment box body, and an air outlet of the fan is arranged horizontally and towards the right; a combustion chamber is formed in the treatment box body, a combustion head of the combustor extends into the combustion chamber, and a radiation net is arranged on the left side of the combustion head and is arranged in the combustion chamber. The treatment device is simple and reasonable in structure and convenient to use, and integrally the pitch smoke can be treated effectively and quickly so that the pollution of the pitch smoke to the environment can be lowered to the minimum level; a dust treatment device is arranged so that the condition of excessive dust at the later stage can be avoided.

The invention belongs to the technical field of book gluing devices, in particular to a glue spraying device for books. The glue spraying device for books comprises a rack and a conveyor belt penetrating through the rack, wherein a clamping opening is formed in the conveyor belt; a first air cylinder and a second air cylinder are fixedly arranged on the rack; an upper clamping plate is fixedly connected to the output shaft of the first air cylinder and a lower clamping plate is fixedly connected to the output shaft of the second air cylinder; a wedge rod is fixedly connected to the output shaft of the second air cylinder; a push block and a leaning rod are slidably connected to the rack; a first pawl is fixedly arranged on the leaning rod; a first spring is connected between the leaning rod and the rack; a second pawl is fixedly arranged on the push block; a ratchet matched with the first pawl and the second pawl are also rotatably connected to the rack; and the second pawl is used forlimiting rotation of the ratchet. By adopting the scheme, glue is sprayed to the books quantitatively, and the glue spraying device for books is chiefly used in the gluing process of the books.

The invention discloses safety monitoring equipment for a road and a bridge. The safety monitoring equipment comprises a supporting cylinder, a connecting shell, a base, a fixing cone, an electric push rod, a placing plate, a camera, a reinforcing rod, a supporting column, a placing shell, an image sensor, a processor, a controller, a buzzer, a cooling fan, cooling holes, a water inlet pipe, a water storage shell, a water suction pump, a fixing plate, a water mist spraying head, a water drainage pipe and a water pumping pipe. The safety monitoring equipment for the road and the bridge is simple in structure and novel in design, and the base is stably fixed conveniently; meanwhile, the height of the camera on the bottom side of the placing plate is adjusted conveniently, vehicles on the bridge are shot conveniently, the operation and the use are facilitated, the heat dissipation effect in the placing shell is improved under the action of an arranged stable monitoring mechanism, and thestable work of electric elements in the placing shell is facilitated; and meanwhile, the passing vehicles are reminded conveniently, the situation of the too many bridge vehicles is avoided, the operation and the use are facilitated, the practical value is high, and the safety monitoring equipment is suitable for the application and the popularization.

The invention provides a halftone mask and a fabrication method of a thin film transistor (TFT) substrate. The halftone mask comprises a first light-proof region, a second light-proof region, a U-shaped semi-transparent region, two semi-transparent extension regions and a remaining all-transparent region, wherein the first light-proof region and the second light-proof region are used for being in correspondence to a source position and a drain position of a TFT respectively, the U-shaped semi-transparent region is used for being in correspondence to a U-shaped channel region position of an active layer of the TFT, the two semi-transparent extension regions are located at an opening of the U-shaped semi-transparent region and extend towards the outside of the opening, and a fringe effect can be prevented from being generated to cause over-development and over-etching in the semi-transparent extension regions when a source region, a drain region and a channel region are formed through composition, so that the problems of low yield and too low production rate in the prior art are eliminated. According to the fabrication method of the TFT substrate, provided by the invention, the halftone mask plate is adopted, and the fringe effect can be prevented from being generated to cause over-development and over-etching when the channel region is formed through composition, so that the problems of low yield and too low production rate in the prior art are eliminated.

The invention discloses a sesame frying device with preheating, which includes a preheating drying device and a roasting device. The preheating drying device includes a drying barrel, a collection chamber and an impurity chamber. The drying barrel includes a fixedly connected drying chamber and a drying chamber. Drying cone, the drying cone is located at the lower part of the drying chamber; the roasting device includes a frying device and a cooling drum, the frying device includes a drum, the cooling drum is arranged at the outlet end of the drum, and the cooling drum passes through the intermediate piece and the drum Connected, the cooling cylinder is provided with a cooling outlet. The sesame frying device with preheating of the present invention has wide applicability, preheating and drying can greatly improve the efficiency of sesame frying, the frying device ensures that the sesame is evenly fried, and the frying situation can be monitored at any time during the frying process, At the same time, the excess high temperature during the frying process can be used to fry the sesame seeds at a low temperature. The fried sesame seeds can be cooled in time, and the entire processing process can also ensure continuity.

The invention discloses a refrigerating system and an operation method for preventing the wet compression of the compressor of the refrigerating system. The refrigerating system comprises a main circulation circuit, the main circulation circuit comprises a refrigerant pipeline as well as the compressor, a condenser, a throttle component, an evaporator and a gas-liquid separator which are connected in sequence through the refrigerant pipeline, the gas-liquid separator comprises a liquid refrigerant outlet, the refrigerating system further comprises a migration flow circuit, the migration flow circuit comprises a migration device used for transferring liquid refrigerant from the inlet end of the migration flow circuit to the outlet end of the migration flow circuit, the inlet end of the migration flow circuit is connected with the liquid refrigerant outlet of the gas-liquid separator, and the outlet end of the migration flow circuit is connected between the exhaust port of the compressor and the inlet of the evaporator on the main circulation circuit. The refrigerating system can effectively prevent excessive low-pressure liquid refrigerant and wet compression of the compressor, thereby prolonging the service life of the compressor and improving the operation effectiveness and safety of the refrigerating system.

The invention provides a method and a system for requesting data of MVC (model view controller) frameworks. The method includes constructing a request category in model layers in the MVC framework; receiving network access requests, calling the request category in controllers and calling back request results; displaying data, which are encapsulated into target formats, in views when the request results are successful request results. The request category is used for encapsulating the requested data into the target formats. The method and the system have the advantages that processing logic ofthe data is arranged in the model layers, the data can be quickly obtained if other controllers need to call the processing logic, and accordingly excessive and repeated codes in controller layers canbe prevented.

The invention discloses a preparation method of sitafloxacin hydrate. The method comprises the following steps: taking ethyl 4-bromoacetoacetate used as a raw material, enabling ethyl 4-bromoacetoacetate to be fully reacted with 1,2-dibromoethane and preparing the obtained product into a compound II in the presence of carbonyl reduction enzyme; taking the compound II, enabling the compound II to carry out cyclization reaction with benzylamine in a solvent in the presence of cesium carbonate, enabling the obtained product to be reacted with DPPA and preparing a compound IV; reducing nitrine group of the compound IV to prepare a compound V; connecting primary amine group of the compound V with a BOC protection group to obtain a compound VI; reducing the compound VI through Pd/C, enabling theobtained product to be reacted with 8-chlorine-6,7-difluoro-1-[(1R,2s)-2-fluorocyclopropyl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ethyl ester to prepare a compound VIII; and carrying out deprotection of the compound VIII to obtain sitafloxacin hydrate. The sitafloxacin hydrate is few in preparation steps, simple in post-treatment and relatively high in yield.

The invention provides an integrated thin type plastic drainage plate. The integrated thin type plastic drainage plate comprises a core plate and a filter film; the core plate comprises a base plate and a plurality of supporting plates; the base plate is a long-strip-shaped flat plate; the plurality of supporting plates are symmetrically arranged on the two sides of the base plate and are vertical to the base plate; the supporting plates extend along the length direction of the base plate; the filter film encloses the outer side of the core plate in an adhering mode; the thickness of the formed integrated thin type plastic drainage plate is less than 3.5 mm; the cross section of each supporting plate is shaped like an isosceles trapezoid; and the width of one end far away from the base plate is less than that of one end close to the base plate. According to the integrated thin type plastic drainage plate provided by the invention, the structure shape and the design layout of the supporting plates in the core plate are optimized, and the longitudinal water passing quantity of the integrated thin type plastic drainage plate is greatly increased on the premise of determining the chemical properties of the core plate and the filter film; meanwhile, the thickness numerical value can be controlled and the drainage efficiency of the integrated thin type plastic drainage plate is greatly improved. On the basis, the invention also provides a foundation vertical drainage system.

The invention discloses a composition used for enhancing immunity. The composition comprises VC, radix ranunculi ternati, ginger, echinacea, grape seed extract, allicin, astragalus, houttuynia cordata, dandelion extract, chrysanthemum, VD, VA and VE. By virtue of relation between functional components and functions, scientific basis of each component in compatibility, relation between dosages of the functional components and safety and effective dosages and the like, main raw materials of the composition are determined, all the components are synergistic, production of cytokines is continuously promoted for an organism, participation in regulation of a nerve-incretion-immunity network is realized, activity of immune cells is activated, immunological functions of cells in vivo are enhanced, nutrient absorption of cells is promoted, super-oxide anion free radicals are effectively eliminated, the immunological function of the organism is protected from being damaged, proliferation of lymphocytes of the organism is stimulated, phagocytosis of macrophage is enhanced, and synthesis capability of fibroblast on collagenous fibers is promoted, so that immunity of the organism is fundamentally improved, and then the immunity is enhanced.

The invention provides a sludge separating and filtering clarification tank and a treatment process thereof. The clarification tank comprises a first reaction chamber, a second reaction chamber, a sludge separating chamber, a water inlet pipe and an agitator, wherein the first reaction chamber is connected below the second reaction chamber; the sludge separating chamber surrounds the outside of the first reaction chamber and the second reaction chamber; a flow guide chamber divided by an upper flow guide plate and a lower flow guide plate is also arranged between the second reaction chamber and the sludge separating chamber and communicated with the second reaction chamber and the sludge separating chamber; the agitator passes through the second reaction chamber to reach the first reaction chamber; a water-collecting tank is arranged on the outer wall of the sludge separating chamber in a surrounding manner, and a first sludge condensing chamber is arranged at the bottom of the sludgeseparating chamber; and the water inlet pipe is communicated with the first reaction chamber. Due to the adoption of the sludge separating and filtering clarification tank, the problems of various equipment and bad treatment effect existing in the prior art can be solved.

The invention provides a semiconductor structure and a formation method thereof. The method includes steps: providing a base comprising a first region used for forming a fin type field effect transistor and a second region used for forming an isolation structure; etching the base and forming a substrate and discrete fin portions located on the substrate of the first region, wherein the fin portions adjacent to the second region are first fin portions, the remaining fin portions are second fin portions, and the width dimensions of the first fin portions and the second fin portions are differentalong a direction parallel to the surface of the substrate and vertical to the extending direction of the fin portions; forming an isolating film on the substrate exposed by the fin portions, whereinthe isolating film covers sidewalls of the fin portions; performing an anti-punching through ion implantation process on the fin portion with the larger dimension in the first fin portions and the second fin portions after formation of the isolating film; and performing back-etching on a part thickness of the isolating film, and regarding the remaining isolating film as an isolation structure. According to the semiconductor structure and the formation method thereof, the short channel effect is improved, the carrier mobility of the semiconductor structure is increased, and the electrical performance of the formed semiconductor structure is enhanced.

A manufacturing device of an oxygen-containing gaseous fuel, comprising an electrolysis unit, an air supply unit, a mixing tank and a feedback control unit. The electrolysis unit electrolyzes water so as to generate hydrogen and oxygen and conveys the hydrogen and the oxygen to the mixing tank. The hydrogen and the oxygen are mixed with a liquid catalyst in the mixing tank to generate combustible gas, and the combustible gas is output to a burner. The air supply unit injects compressed air into the mixing tank to increase a generation rate of the combustible gas. The feedback control unit detects a quantity of the combustible gas consumed by the burner so as to control the electrolysis unit to change quantities of the generated hydrogen and the generated oxygen. Therefore, the quantities of the hydrogen and the oxygen generated by the electrolysis unit can be accurately controlled, thereby avoiding deficiency or overabundance of the quantities of the hydrogen and the oxygen, and improving use safety.

The invention belongs to the technical field of flue gas detection, and particularly relates to a flue gas online monitoring system based on a block chain. The system comprises an atlas enhancement module, a moving target detection tracking module and a flue gas detection module, atlas information is obtained by the atlas enhancement module and the moving target detection tracking module, and theflue gas detection module calls a flue gas detection model and compares the flue gas with standard parameters of a model in a storage device to judge whether flue gas meets standards or not. Accordingto the method, the CamShift target tracking algorithm is used for tracking the motion information of the flue gas exceeding the standard in real time, the time required for flue gas identification each time can be saved, the method meets the real-time requirement, and the method can be transplanted into an embedded system for block chain data transmission.

The invention discloses a cement mixing device for bridge construction. The cement mixing device structurally comprises a rotator, a machine body, a sealing ring and supporting feet, wherein the bottom end of the rotator is mounted at the top end of the machine body in an embedded manner, the sealing ring is arranged at the bottom of the machine body, the sealing ring and the machine body are of an integrated structure, top ends of the supporting feet are welded to the bottom end of the machine body, the sealing ring is located below the rotator, and the machine body comprises a rotating mechanism, a fugitive dust preventing mechanism, a material controlling mechanism, a water adding mechanism, a control module, a pressing mechanism and a shell. According to the cement mixing device, through improving an equipment structure, when the cement mixing device is in use, the proportion of water can be adjusted according to weight of cement flour, and the condition that blended cement is toodiluted and cannot reach construction standards due to the fact that the content of water is relatively high during water adding is prevented; and meanwhile, a valve can be automatically closed when the adding of the cement flour reaches maximum, thus, the continuous adding of the cement flour is stopped, and the condition that the cement flour is excessive and is not prone to stirring is avoided.

The invention discloses a method for detecting serial digital quantity signals. An ASK circuit, RET circuits and a TER circuit are used by the method, wherein the ASK circuit is located at the head end of the circuit and used for sending an ASK signal; the RET circuits are distributed on the segmented serial circuit and used for collecting the digital quantity signals to be detected, coding the digital quantity signals according to protocol and sending out an RET signal; and the TER circuit is located at the tail end of the circuit and used for sending a TER signal. All the signals are transmitted on the serial circuit connected in a segmented manner, particularly, the ASK signals which are continuously sent out by the ASK circuit are received by the RET circuit, and then, the RET signal is sent out by the RET circuit, thus connecting the serial circuit in the segmented manner; after the RET signal returned by the RET circuit is received by the ASK circuit, the digital quantity signals and the relative position of the RET circuit in the RET signal are detected according to the predetermined protocol; and after the TER signal returned from the TER circuit is received by the ASK circuit, that the ASK signals reach the tail end of the serial circuit is judged. Accordingly, the entire process circulating continuously constitutes the method for detecting the digital quantity signals through the serial circuit.

The invention discloses a flexible bran removing device for rice grains. The flexible bran removing device comprises a rice brushing mechanism and a supporting frame; the rice brushing mechanism is located above the supporting frame, the top surface of the supporting frame is connected with a table board, the rice brushing mechanism is connected with the top surface of the table board, a belt wheel shield is arranged on one side face of the rice brushing mechanism, and a water and gas device is arranged on the other side face; the rice brushing mechanism comprises a rice brushing chamber shell, a feeding hopper is arranged at the top of the rice brushing chamber shell, and a discharge hopper is arranged at the bottom of the rice brushing chamber shell; a plurality of bran brushing mechanisms are arranged in the rice brushing chamber shell, the tops of the bran brushing mechanisms are connected to a feeding hopper, and the bottoms of the bran brushing mechanisms are connected to the discharge hopper. According to the flexible bran removing device, the water and gas device on the side face of the rice brushing chamber shell can provide the atomized water and gas for the interior of the rice brushing mechanism, the cost and electrical appliance power are reduced, and the overall working efficiency of the device is improved. The flexible bran removing device has the advantages of effectively removing rice bran, reducing cost, reducing energy utilization, saving energy, protecting environment, preventing excessive polishing of brown rice, increasing rate of kernels with remainedgerm of the brown rice, reducing the rate of broken rice and the like.

The invention provides a multifunctional intelligent vehicle lamp control box controlled by an APP. The multifunctional intelligent vehicle lamp control box comprises a mobile terminal and a control terminal. The mobile terminal comprises an application APP, and the application APP is provided with a key control module and a display module. The key control module correspondingly sends out different control commands or pairing commands through different keys or keys of different combinations, and multiple key functions can be set in a user-defined mode. The display module is used for displayingworking states of the vehicle lamp and the horn. The control terminal comprises a wireless communication module, an MCU control module, a switch module and a power supply module. According to the multifunctional intelligent vehicle lamp control box controlled by an APP and the control method thereof, on the basis of the intelligent design, a corresponding application APP is installed on the mobile terminal, a control command is sent, and the control terminal is controlled by using a wireless communication technology, so that the control terminal carries out corresponding control operation orsends out a control signal to control different types of vehicle lamps and loudspeakers to carry out work switching, and a one-to-many intelligent control mode is realized.

The invention discloses an automatic distributing machine for organic fertilizer processing, and belongs to the technical field of organic fertilizer processing. The automatic distributing machine comprises a cross frame, two motors and supports are mounted in the fronts and the rears of the left side and the right side of the bottom of the cross frame, the motors are positioned on the inner sidesof the supports, driving gears are mounted on the outer walls of output shafts of the motors, rotating shafts are mounted on the supports, driven gears are mounted on the inner sides of the rotatingshafts, organic fertilizer raw materials are conveyed to weighing boxes by a screw conveyer, weighed and distributed, the weight of organic fertilizers distributed in fermentation tanks can be accurately controlled, more or less distribution is avoided, materials can be simultaneously distributed in the fermentation tanks by the two weighing boxes, distributing efficiency is high, the motors drives the distributing machine to move on steel rails to distribute the materials when the materials are distributed, the organic fertilizers cannot be stacked in the fermentation tanks, the materials areuniformly distributed, and some impurities mixed in the organic fertilizer raw materials can be filtered by a filter screen.

The invention relates to a continuous filtering device adopting an up-flow type flowing bed and a filtering method. In a conventional three-phase treatment process, for a coagulating basin and a sedimentation basin in conventional two-stage biochemical treatment, deep treatment is performed on effluent of the secondary sedimentation basin after active sand is indirectly arranged behind a secondarysedimentation basin, and then process facilities such as the coagulating basin and the sedimentation basin need to be specifically arranged. Coagulant cannot be directly fed in a water inlet pipelineor channel, active sand process work amount and investment are relatively high, and operation and maintenance cost are high. The continuous filtering device adopting an up-flow type flowing bed comprises a shell, wherein the shell is connected with a raw water inlet (2), a sand washing sewage outlet (3) and a pure water outlet (9) respectively, dirty sand (11), a sand bed (5) and a sand pouring hopper (7) are arranged in the shell, and the sand pouring hopper is formed by welding a sector structural member and a conical structural member. The device and the method are applied to the field ofdrinking water, industrial water, advanced sewage treatment and reclaimed water reuse treatment.

The invention discloses an LCD screen buffering shock-proof rubber protecting jacket capable of being quickly assembled and disassembled. The LCD screen buffering shock-proof rubber protecting jacketcomprises a terminal front cover, a rubber jacket, a display screen and a display screen pressing plate. During assembling, the display screen is nested in the rubber jacket, after nesting is completed, the display screen and the rubber jacket are installed in the terminal front cover, finally, the display screen pressing plate is in threaded connection with the terminal front cover, and the pressing and fixing effects are achieved, wherein the rubber jacket is provided with anti-slide protrusions and sealing protrusions, when the protecting jacket is collided, stress absorbing and buffering effects are achieved, the practicality of the protecting jacket can be effectively improved, and the safety of the display screen is ensured; and in addition, the rubber jacket has a symmetric layout,the front surface and the rear surface does not need to be distinguished in the assembling process, and thus, the assembling efficiency can be further improved.

The invention belongs to the technical field of textile and garment, and relates to a simple multi-layer isolation garment and a manufacturing method thereof. The simple multi-layer isolation garmentcomprises a garment piece body; the surface of the garment piece body is covered with a multi-layer isolation film; the back surface of the garment piece body is open; and the garment piece body comprises a one-piece garment piece and two sleeve body garment pieces, wherein the one-piece garment piece is of an integrated structure. The manufacturing method specifically comprises the steps of: garment piece cutting, sewing, bonding and film covering. The simple multi-layer isolation garment is easy to put on and take off, waterproof and tight and can effectively guarantee the safety of medicalstaff; frequent replacement of the isolation garment is avoided, and the cost of replacement of the isolation garment is reduced.

The invention discloses a narrow L-shaped film and a production method thereof. The narrow L-shaped film comprises a bottom film body, and a plurality of L-shaped film bodies are arranged on the bottom film body in an inclined shape at intervals. The manufacturing method comprises the steps that the bottom film body is adhered with a product film body; rolling cut is carried out from one surface of the product film body to the bottom film body through a first rolling-cut film body; materials in a mould frame rolling cut by the first rolling-cut film body is removed; a second rolling-cut film body is adopted to roll and cut from one surface of the product film body to the bottom film body position; and the material outside the mould frame rolling cut by the second rolling-cut film body is removed to form a finished product. According to the narrow L-shaped film and the production method thereof, the L-shaped film is formed by adopting two rolling-cutters to rolling and cutting twice, sothat the edge warping phenomenon generated during the narrow production of the L-shaped film is effectively prevented, and the yield of product production is improved; and the L-shaped film is arranged and produced in an inclined mode, so that excessive waste materials between product intervals are avoided, and raw materials are saved.

The invention discloses an ignition and detonation velocity synchronous testing device and method, and solves the problems that an existing device cannot synchronously test ignition time and detonation velocity, is easy to fail and has potential safety hazards. The ignition and detonation velocity synchronous testing device is provided with a sample tube, and an ignition unit and a microwave interference unit which are connected with the sample tube, and a signal synchronization device is arranged between the ignition unit and the microwave interference unit. The signal synchronization deviceis provided with a signal input unit and a signal output unit which are in transmission connection through an optical coupler. The signal input unit synchronizes an ignition signal of the ignition unit to the signal output unit through the optical coupler, and the signal output unit sends the ignition signal to the microwave interference unit to send and receive a microwave signal. The device is suitable for synchronous triggering and acquisition of ignition and detonation velocity tests of explosives and powders, and is also suitable for synchronous acquisition of ignition, temperature, pressure, high-speed photography and the like in explosive and powder combustion and detonation experiments.