1298results about How to "Cut costs" patented technology

The invention relates to a fault simulation system and a fault analysis method for single event upset in a large scale integrated circuit SRAM-type FPGA (Field Programmable Gate Array). The fault simulation system comprises a host computer and a control board, wherein the control board comprises a fault injection module, a fault detecting module and a fault analyzing module. The fault simulation system and the fault analysis method provided by the invention are flexible to use, low in cost, high in simulation precision, fast in simulation speed and free from any physical damage to a chip.

The invention relates to a mobile phone automatic test device and a method. The device is connected with a computer, and comprises a controller, a test clamp, a mobile phone and a collector, wherein the controller provides the test clamp with a power supply and an audio interface, and is connected with the test clamp through a key matrix winding displacement and a sensor cylinder winding displacement; the test clamp is used for fixing the to-be-tested mobile phone, a test thimble is pressed to the test point of the to-be-tested mobile phone, and a test signal of the test point is connected to the controller; an LCD screen, a data cable of a touch screen, and a signal wire of the mobile phone are connected to the 40Pin interface of the collector; and the collector is connected with the computer through a USB interface, and is further connected with a controller through an RS232 interface. By adopting the device, the defects of the prior art such as low production efficiency and inaccurate test results of the manual mobile phone test are overcome.

The invention discloses an O-shaped sealing ring automatic assembly device and method. The device comprises a sleeve automatic loading module, an O-shaped sealing ring automatic loading module, an automatic detecting module, a finished product sorting module, all of which are arranged on the outer side of a revolving worktable module in the peripheral direction in sequence; the sleeve automatic loading module and the O-shaped sealing ring automatic loading module are in supply connection with the revolving worktable module; the automatic detecting module detects the assembly effect of O-shapedrings on the revolving worktable module in real time; and the finished product sorting module is used for realizing sorting of qualified and unqualified products through chutes according to the detecting result of the automatic detecting module. The device is simple in structure and convenient to use; and through motions of three arc plates on clamping jaws of a three-jaw cylinder and pressing plates with the same apertures as the diameters of sleeves, the clamping and assembly of the O-shaped sealing rings are achieved, the automatic assembly task of the O-shaped sealing rings can be finished with high quality, a lot of manpower and costs are saved, the assembly efficiency is quickly accelerated, and the production demands are met.

The invention relates to the manufacture field of absorptive sanitary articles and automatic production equipment and discloses an absorptive core. The absorptive core comprises an absorptive core surface layer, an absorptive core middle layer and an absorptive core bottom layer, wherein the tightness degrees of the absorptive core middle layer and the absorptive core bottom layer are larger than the tightness degree of the absorptive core surface layer. The invention further discloses absorptive core molding equipment and an absorptive core manufacture method. The gathering degrees of fluff pulp fibers in the surface layer, the middle layer and the bottom layer of the absorptive core are from relative looseness to compactness, and the gradient density design can rapidly absorb body fluid, is favorable to fluid permeation and effectively reduces the possibility that the body fluid leaks from the absorptive sanitary articles. When the absorptive core of the structure is manufactured, a molding screen is effectively prevented from being blocked by high molecular absorption resin granules, time and cost which are spent on cleaning and maintaining the molding screen are saved, and the production efficiency of the absorptive core molding device is further improved.

The invention discloses a process of knocking out Wnt3a gene and a verification method thereof. The knockout and verification of Wnt3a gene are finished through the following steps: establishment of a Cas9 lentiviral vector for Wnt3a gene, culture and passage of HepG2 cell, lentivirus infection and screening of target cell, verification of gene knockout efficiency through a mispairing enzyme method, cell protein analysis and cell proliferation detection by a CCK-8 method. The invention has the following advantages: the Wnt3a gene is knocked out by establishing a Cas9 double-vector lentivirus system for the first time; Crispr / Cas9 is a technology for accurately editing specific site of the genome of any species, and the cell-level single gene or multiple genes can be knocked out by the technology; compared with other gene editing technologies, the method has the advantages that the targeting accuracy is higher; only if the RNA target sequence is completely matched with the genome sequence, can the Cas9 cut the DNA and realize simultaneous knockout of multiple sites of the target gene; and moreover, the experimental period of vector establishment is short, the time and the cost are remarkably saved, and species limit is avoided.

The invention belongs to the technical field of preparation of metal and alloy, and provides a preparation method for high-strength and high-toughness ultra-fine grain aluminium alloy. The preparation method comprises the steps that aluminium alloy is firstly cast to form a cast-state blank; then the cast-state blank is turned into an ECAP (Equal Channel Angular Pressing) blank, and then the ECAP blank is subjected to homogenization treatment and curing quenching treatment; and then the blank subjected to the curing quenching treatment is subjected to 1-8 passes of ECAP dynamic ageing treatment at temperatures ranging from the room temperature to 300 DEG C. According to the preparation method, through the ECAP dynamic ageing treatment at different temperatures, the grain size of the alloy is obviously refined; and the form and distribution of a nanometer ageing precipitated phase are more reasonable, so that the strength of the alloy is greatly improved, and meanwhile the alloy has excellent ductility and toughness.

The invention relates to the decorative winding device technical field, in particular to a base paper cutting winding machine which comprises an unwinding device and a winding device. A cutting mechanism comprising a cutting roller and a cutting knife is arranged between the unwinding device and the winding device, the two ends of the cutting roller are movably arranged on a cutting bracket, and the cutting knife is coaxially arranged on the cutting roller. A driving roller is arranged right under the cutting roller, the two ends of the driving roller are movably arranged on the cutting bracket, and the cutting roller is respectively connected with the two ends of the driving roller by driving pairs. Two groups of guiding roller sets are arranged on the winding device, and the guiding roller sets are arranged on a winding frame. A first winding roller and a second winding roller are respectively arranged on the upper part and the lower part of the winding frame, and the first and the second winding rollers are respectively connected with a first driving mechanism and a second driving mechanism. By utilizing the cutting winding machine, cutting and winding works can be completed by one time, furthermore, the cutting is equal and the winding is neat, thus conserving manpower and cost.

The invention discloses a light path collimation integrated device and method for a high-power laser device. A transmission grating engraved with references is put near to the small-hole face of a space filter; the transmission grating is irradiated by parallel non-coherent illumination lights produced by a light emitting diode and an illumination collimation lens at a specific angle; a sampling light path is put in a direction of first-stage diffraction light of the transmission grating so as to form a light beam information monitor; the light beam information monitor simultaneously acquiresinformation of a near field and a far field of a light beam; the output of the light beam information monitor is connected to a computer; deviation values of the near field and far field of the lightbeam relative to the respective set positions are determined through an image processing technology; and a corresponding near field adjusting device and a corresponding far field adjusting device areselected according to the respective deviation values so as to adjust light path collimation. The light path collimation integrated device has the characteristics of integration, modularization, simple structure and high precision, and can meet a monitoring requirement of the high-power laser device on large-aperture light beam collimation.

The invention provides an active bleeding system used for an electric automobile. The active bleeding system comprises a power battery, a bus capacitor, a charging and discharging socket, a bidirectional DC / DC (direct current to direct current) module, a drive control switch, a bidirectional DC / AC (direct current to alternating current) module, a motor control switch, a charging and discharging control module and a controller module, wherein the controller module is connected with the drive control switch, the motor control switch and the charging and discharging control module, and is used for controlling the drive control switch, the motor control switch and the charging and discharging control module according to the current working mode of the active bleeding system. The active bleeding system can be used for carrying out high-power alternating current charging on an electric automobile by using a civil or industrial alternating current power grid, so that a user can charge efficiently and quickly anytime and anywhere, the working voltage range for the battery is wide, and space and cost can be saved. The invention also provides the electric automobile.

The invention discloses a method for culturing edible fungi, which includes the following steps: culturing the mother culture in larger scale to prepare liquid culture spawn, introducing the liquid culture spawn together with culture medium which needs to be sterilized separately to cultivating material for thick solid ventilated culturing, when the cultivating material is filled with hypha, briquetting and shaping the cultivating material, and sending the briquetted cultivating material to a mushroom house to produce mushroom. The method is environment-friendly, energy-saving, short in production period, low in pollution rate and small in work intensity.

The invention discloses a method for breeding functional formula rice varieties, belonging to the technical field of special rice breeding. The method is characterized by comprising the following steps of selecting a rice variety with larger extending area and good quality in production as the recurrent parent, crossing the recurrent parent with black rice, purple rice, red rice, glutinous rice and giant embryo rice respectively, backcrossing the offsprings with the recurrent parent, breeding the near-isogenic lines which have agronomic traits similar to the agronomic traits of the recurrent parent and respectively have the traits of the black rice, purple rice, red rice, glutinous rice and giant embryo rice and mixing the seeds in proportion to prepare the seeds for production of the formula rice. The method has the following beneficial effects that after the formula rice varieties bred by the method are planted, the shapes of plants and leaves and the agronomic traits are neat and consistent; the rice obtained by grinding unhulled rice can simultaneously contain the five functional rice, namely the black rice, the purple rice, the red rice, the glutinous rice and the giant embryo rice; the functional formula rice can be produced by planting the seeds; the production method is simple and is high in efficiency and good in benefits; and the produced high nutrition functional formula rice integrates color, aroma, taste and nutrition curative effect and has good health care function.

The invention discloses a sheet mounting, dismounting and positioning all-in-one machine, which comprises a bottom frame, a turning mechanism, a positioning mechanism and an ascending and descending mechanism, wherein the turning mechanism, the positioning mechanism and the ascending and descending mechanism are arranged on the bottom frame, glass is turned to the horizontal direction from the vertical state by the turning mechanism and is arranged on the positioning mechanism, the positioning mechanism conveys the glass to a fixing position through a Y-axis conveying belt, and the ascending and descending mechanism can do ascending and descending movement, so that the glass on the positioning mechanism is assembled and conveyed to a next station. The sheet mounting, dismounting and positioning all-in-one machine has the advantages that various functions such as turning, Y-axis moving, positioning and glass conveying can be realized on one piece of equipment, the space occupied by sheet mounting, positioning and sheet dismounting is minimized, and the equipment investment quantity and the equipment investment cost are reduced.

The embodiments of the invention provide a video generation method and device. The method comprises the following steps of acquiring a story outline corresponding to a target text, wherein the story outline is an event stream with a time shaft, and the label of an event corresponding to each time period on the time shaft includes a role label; determining a target actor corresponding to each character label in the story outline; acquiring a target video segment corresponding to each time period in the story outline from a video clip database according to the story outline and the target actor;and splicing the target video segment according to the time shaft corresponding to the story outline to obtain a video corresponding to the story outline. In the embodiments of the invention, for thetarget text, the corresponding video is automatically generated, and the generation cost of the video is effectively reduced.

The invention discloses a preparation method for Carbon 5 / Carbon 9 hydrogenated petroleum resin. In the existing preparation methods, certain methods have extremely high requirements on devices and high cost, and catalysts used by certain methods are not ideal for aromatic ring hydrogenation effect or easily cause intoxication. The preparation method comprises the following steps: firstly dissolving Carbon 5 / Carbon 9 petroleum resin by a dissolvent, then carrying out centrifugal sedimentation on the carbon 5 / Carbon 9 petroleum resin so as to remove most insoluble gel and asphaltenes, filtering the carbon 5 / Carbon 9 petroleum resin in an absorption tower filled with fillers so as to remove remained insoluble gel, asphaltenes and heavy metals; carrying out medium pressure hydrogenation reaction on liquid obtained through filtration in a static bed filled with secondary hydrogenation catalyst; and finally, carrying out flash evaporation and steam stripping so as to remove solvent in the product. The preparation method adopts a macroporous catalyst carrier; fluids are not easily blocked in holes, thereby greatly reducing fluid pressure drop and increasing effective catalytic area; and secondary hydrogenation can be completed in medium pressure, thereby greatly reducing requirements on devices and investment cost of the devices and obtaining hydrogenated petroleum resin with high quality.

The invention provides a method for preparing a rubber-plastic compound. A composite device containing normal-temperature millstone-type elastomer fine crushing machineries is utilized to carry out crushing treatment on a mixture containing formulas of thermosetting elastomer and plastic or / and thermoplastic elastomer, and the mixture comprises the following components in weight ratio: thermosetting elastomer sieved by a sieve with the aperture of 5-40 meshes: plastic sieved by a sieve with the aperture of 1-5mm or / and thermoplastic elastomer sieved by a sieve with the aperture of 1-5 meshes:filler: other adjuvants = 40-90:60-10:0-200:0-10. The invention comprises a method, the composite device for implementing the method, and rubber-plastic compound products produced by the method, wherein a regeneration rubber-plastic compound is included. The invention not only can enable the absorb filler operation to become clean, continuous, normal-temperature and energy saving in the process of preparing new rubber-plastic composite material, but also can enable mixed waste plastic difficult to be reused by the prior art to be conveniently used for high-valued recycling.

The invention discloses a sewage treatment plant monitoring system and a sewage treatment plant monitoring based on cloud. The monitoring system comprises an MCC cabinet, a PLC cabinet, an industrial switch, and at least one monitoring center. The working state output end of field production equipment is connected with the industrial switch through the MCC cabinet and the PLC cabinet in sequence. A field online analysis meter is connected with the industrial switch through the PLC cabinet. The industrial switch is connected with the monitoring centers. The monitoring system further comprises a cloud server connected with the monitoring center via a network, and a remote terminal connected with the cloud server via a network. Working condition data of a sewage treatment plant is saved to the cloud server, the hardware and software cost and maintenance work are saved, local data can be backed up better, and daily data can be processed remotely. Moreover, as the functions of remote access, expert diagnosis and remote maintenance are achieved, the workload and travel expense of maintenance personnel are reduced, and the service efficiency, service quality and customer satisfaction are improved greatly.

The invention relates to a method for welding an insulated frame body and a bipolar plate / a microporous diaphragm of a battery with a bipolar structure by laser, wherein a laser from a laser source is focused on an opaque plate surface of the bipolar plate or the microporous diaphragm through the semitransparent frame body so as to melt an upper and a lower plastic plates of an irradiated part and thus to allow the two plates to be melted together under the effect of pressure. The method of the present invention improves the welding efficiency and greatly reduces reject rate. Besides, the method of the invention has the advantages of labor force saving and cost saving. The present invention also relates to a device of for welding the insulated frame body and the bipolar plate / the microporous diaphragm of the battery with a bipolar structure by laser.

The invention discloses an artificial lawn and a fabrication process thereof. The lawn comprises a soil basal layer, a warp knitting grid net paved above the soil basal layer, and fiber grass clusters knitted on the warp knitting grid net, wherein the warp knitting grid net is in a grid structure which is formed by interlacing warps and wefts, natural grass is inserted into grids by the warp knitting grid net, and grass roots of the natural grass are planted in the soil basal layer; the warps and the wefts are all grass silk yarn harnesses knitted and twined by fiber grass yarns, and the grass roots of the fiber grass clusters are knitted in the grass silk yarn harnesses. The process comprises the steps: producing the fiber grass yarns; arraying a plurality of fiber grass yarns side by side, then, knitting the grass yarns into a fried dough twist grass yarn harnesses, and knitting the grass yarn harnesses into the warp knitting grid net; building the soil basal layer on the ground; paving the knitted warp knitting grid net above the soil basal layer; inserting or planting the natural grass in the warp knitting grid net. The artificial lawn and the fabrication process thereof have the benefits that materials, such as base fabrics and mucilage glue, are not needed, so that the economic cost is reduced; the natural grass is planted in the grid, so that the artificial lawn and the fabrication process thereof are more real and have strong flexibility.

The present invention relates to a making method of a vapor barrier film for a vacuum heat insulating shield, and a choke film of the vacuum heat insulating shield special for construction. The choke film not only satisfies the high choke performance needed by the vacuum heat insulating shield, but also has the advantages of puncture resistance, weather resistance, cracking resistance, easy hot sealing and good protective effect. The making method uses the following technical scheme: upper-layer material is fed to the topside flow way, and middle-layer material, lower-layer material, binder between the middle-layer material and the upper-layer material and binder between the middle-layer material and the lower-layer material are fed to each flow way of a module in turn; the upper-layer material is selected from PDVC, PS or PET, the middle-layer material is selected from PE, PVOH, PA, EVOH, EVA, PET or PP, and the lower-layer material is PE; a film bubble pipe is extruded through the module; the film bubble pipe is cooled; a clamping plate device in a shape of a character of 'ren' is leaded in to planish the film bubble pipe; and a single-layer flat film of 50 t 200 mum is made through a winder.

The invention discloses a system and a method for controlling a display terminal of an electronic tag. The system comprises a control host, a coordinator, a router and the display terminal of the electronic tag, wherein the control host is connected with the coordinator through an RJ45 interface; the coordinator is wirelessly connected with the router through Zigbee; and the router is wirelessly connected with the display terminal of the electronic tag through Zigbee. According to the system and the method, electronic paper is used as a display screen in the display terminal of the electronic tag, the cost and the time for earlier wiring are saved, the convenience of reformation on the conventional warehouses is improved, more information can be accommodated, and the misoperation of operating personnel is reduced.

The invention relates to a preparation method for a hydrophilic antibacterial ultrafiltration membrane. The method comprises the following steps of providing a basic filter membrane; dissolving dopamine into a trihydroxymethyl aminomethane buffer solution to prepare a dopamine solution; coating the surface of the basic filter membrane with the dopamine solution to form a polydopamine coating on the surface of the basic filter membrane; coating the surface of the polydopamine coating with an amino-modified polyethylene glycol solution to form an amino-modified polyethylene glycol layer on the surface of the polydopamine coating; arranging antibacterial nanoparticles on the surface of the amino-modified polyethylene glycol layer to obtain the hydrophilic antibacterial ultrafiltration membrane.

The invention discloses a circuit for measuring phase difference of common-period signals, which comprises 128 IODELAYs (programmable input and output delay units dedicated for Xilinx FPGA), a D trigger, 128 6-digital counters, a logic control circuit and two paths of common-period signals to be measured: the first path of period signals CLK1 and the second path of period signals CLK2. The method provides a method for measuring the phase difference of the common-period signals in high accuracy, which comprises the following steps: the CLK1 is sent to input ends of the IODELAYs and input to a D end of the D trigger after step-by-step delay by the IODELAYs; the CLK2 is input to a CLK end of the D trigger and CLK ends of the counters through a global clock network; and variation of a Q value at an output end of the D trigger is detected, thus obtaining edge coincidence information of the CLK1 and the CLK2 after the delay and achieving the aim of measuring the phase difference of the common-period signals according to the delay amount of the IODELAYs.

The invention discloses a multi-operating condition extreme load testing system and a testing method for a wheel loader transmission system. The system mainly comprises a power loading module, a support module, a simulation road surface module, a traction module and a data acquiring and recording module, wherein technical means such as active loading, road surface modulation and the like are adopted, so that the system can be suitable for different spading operating conditions, different road surfaces and loaders of different sizes, and rapid testing of the extreme load of the loader transmission system is realized by testing frictional drag applying on each tire; and according to the method, loads are actively applied to a loader and a bucket through a hydraulic cylinder and a traction module, so that the stress state of the bucket is the same as the stress state during practical operation, loading is flexible, various operating conditions of the loader can be simulated, and testing cost is lowered. Due to the adoption of the system and the method, the extreme loads on a single half shaft, a front transmission shaft, a back transmission shaft, a transmission case output shaft and the like in the transmission system in the operating process of a wheel loader can be obtained.

The invention specifically provides a method for monitoring plant growth by using an unmanned aerial vehicle with a multispectral light source, belonging to the technical field of monitoring of plant growth. The method comprises the following steps: determining the characteristic wavelengths of plants according to the species of the plants and selecting a corresponding standard narrowband colored light combination as a standard multispectral light source; irradiating the plants with the standard multispectral light source, acquiring information like the chromaticity coordinates and reflection spectra of the plants of different species and establishing a plant spectrum database; controlling the unmanned aerial vehicle to shoot a detected plant by using an area-array CCD spectral imager and to store information; and comparing the information of the shot detected plant with information like the chromaticity coordinates and reflection spectra of leaves of a plant of a same species in the plant spectrum database so as to analyze the growth condition of detected leaves. According to the invention, the unmanned aerial vehicle carries the multispectral light source and the area-array CCD spectral imager for monitoring, so the coverage area of a single scanning is great and measuring precision is high; the unmanned aerial vehicle is simple in flight route, easy to control and low in cost; thus, the method is applicable to monitoring of plant growth during current agricultural plantation in fields, greenhouses, plant factories, etc.

The invention discloses a GA-BP neural network-based gear contact fatigue life prediction method. The method comprises the following steps of 1, collecting gear contact fatigue test data and normalizing the gear contact fatigue test data as sample data of a BP neural network model; 2, constructing a structure of a BP neural network; 3, optimizing the weight and threshold of the BP neural network by using a genetic algorithm, and training the BP neural network; 4, calculating a prediction precision evaluation parameter determination coefficient, and obtaining an optimization weight and a threshold when the prediction precision evaluation parameter determination coefficient meets a set value; and 5, testing the established GA-BP neural network by using the test sample set. Compared with an existing gear contact fatigue life prediction method based on a physical model, the gear contact fatigue life prediction method is low in cost and high in prediction precision, does not need to be derived according to a failure mechanism, achieves prediction of the gear fatigue life, improves the prediction accuracy, is easy to use, and provides a new technical means for design and manufacturing ofgears.

The invention relates to a device for preparing macromolecule nano-fibre, and a spinning method. The device comprises: a nozzle which is connected with a fibre spraying tube and is electrically connected with the anode or the cathode of a high-voltage generator, wherein, a conductive receiving board is electrically connected with the cathode or the anode of the high-voltage generator; a drain sleeve, the lower port of which is sealed together with the upper port of the fibre spraying tube; and a heating coil which is arranged outside the fibre spraying tube and enwraps the fibre spraying tube tightly, wherein, a temperature transmitter is positioned between the heating coil and the fibre spraying tube and is attached to the fibre spraying tube, and a temperature feedback controller is electrically connected with the temperature transmitter and the heating coil respectively. A signal which is measured by the temperature transmitter is received and the working of the heating coil is regulated and controlled, to lead the contained macromolecular solution to reach the preset temperature. In the spinning method, the macromolecular solution which is prepared by polymer material is contained in the fibre spraying tube, and is heated until the temperature reaches the preset temperature through the temperature feedback controller; pressure is loaded, the macromolecule nano-fibre flows out from the nozzle under the action of the electric field force and is collected on the receiving board.

The invention discloses a solid electrolyte ionic conductivity prediction method based on a BP neural network, and the method is characterized in that the method comprises the following steps: 1, collecting material data, carrying out the preprocessing of the material data, obtaining a total sample set, and enabling the material data to be divided into a test set sample and a training set sample;2, constructing a BP neural network model according to the step 1; and 3, selecting a transfer function, a training function and a learning function in the BP neural network model, and initializing each parameter. According to the method, the ionic conductivity performance of the solid electrolyte containing elements such as Li, Na, Mg and Al can be accurately predicted, corresponding components and structures of the solid electrolyte are prepared according to the prediction result, the blindness in the electrode material design process can be reduced, and a large amount of time and cost are saved.

The invention discloses an indoor location and navigation method based on a built-in inertial sensor of a smart phone. The method includes the following steps of, firstly, recording received precise GPS (global positioning system) signals, and taking the precise GPS signals as an initial locating position; secondly, when the GPS signals go weakened or disappear, recording travelling distance and direction of a user through the built-in sensor of the smart phone to calculate the displacement of the user on a horizontal plane; thirdly, according to the calculating result of a current moment and the position information of a previous moment in the second step, obtain current position information, and according to the position information of every 2 seconds, drawing a traveling route. Compared with other indoor navigation schemes, the indoor localization and navigation method based on the built-in inertial sensor of the smart phone only requires one smart phone without dependence on peripheral equipment and has the advantages of being high in precision, low in cost and easy to implement.

The invention discloses a coding detonating control device. The device comprises a ground system and an underground system which are connected through a cable; the ground system comprises a computer and a ground monitoring instrument; the ground monitoring instrument is a special hardware device for monitoring the state of perforators at all levels as well as selecting and perforating, in order to build reliable communication while working power is supplied to the underground system; a control instruction from a computer is converted into a coding signal to be loaded to a power wire to be sent to the underground system, and then an information code fed back from the underground system is received and compiled and then sent to the computer for analyzing and processing; the underground system comprises coding controllers which are mounted in different perforators; the coding controllers receive instruction signals from the level-based perforating monitoring instrument, actuating the corresponding detection and ignition and other operations, detecting the switching state of self, coding the detection result as well as returning to the ground system; the output end is able to reliably detonate a magnetic electric detonator and an EFI detonator.