83results about How to "Avoid cross influence" patented technology

The invention belongs to the technical field of urban bituminous pavement repairing, and discloses a structure for repairing urban bituminous pavements and a construction method thereof. The structure comprises a bituminous pavement layer, a base layer, an upper layer high-strength geogrid, a geocell reinforcement layer filled with old bituminous pavement mixed aggregates, a lower layer high-strength geogrid, a waterproof layer and roadbed from top to bottom. According to the structure for repairing urban bituminous pavements and the construction method thereof, prior old bituminous pavement materials are fully used, and cross impacts of rainfall and ground water on the roadbed and the bituminous pavement are segregated effectively. Simultaneously, by means of a combined reinforcement structure of the upper layer and the lower layer high-strength geogrids and the geocell reinforcement layer, the anti-deformation capacity of the bituminous pavement structure can be improved effectively, cracking and deformation of the bituminous pavement structure are restricted, and the service life of the bituminous pavement is increased. Particularly, when local bad foundation exists in the roadbed, the 'girder effect' formed by the combined reinforcement structure can effectively transmit loads on the local bad foundation to around foundation, and secondary damages to a novel paved bituminous pavement structure are avoided.

The invention relates to the field of gas sensitive sensors, and in particular relates to an array type smell detecting element based on an MEMS (Micro Electro Mechanical System) technology. The problem that the individuals in the gas sensitive sensor array used by the existing electronic nose are not uniform in response to characteristic drift is solved. The detecting element comprises a semi-conductor substrate, as well as a gas sensitive unit, a temperature sensing unit for detecting the working temperature of the gas sensitive unit, and a heating unit for heating the gas sensitive unit to the needed working temperature, wherein the gas sensitive unit, the temperature sensing unit and the heating unit are obtained by being processed with the MEMS processing technology on the semi-conductor substrate; the gas sensitive unit comprises a plurality of gas sensitive metallic oxide thin films which are arranged in the light of an array; the gas sensitive metallic oxide thin films are different in size parameters but the same in type; and each thin film is provided with two electrodes for connection with data acquisition equipment. The array type smell detecting element is simple in structure and can be realized by being processed with the MEMS technology which is relatively maturely developed; and in addition, the array type smell detecting element is beneficial to the realization of the integration and the miniaturization of the electronic nose and achieves reasonableness in method and correctness in identification.

The invention discloses a second-generation sequencing method for dimolecular self-checking library preparation and hybrid capture used for trace DNA ultralow frequency mutation detection. The methodcomprises the following steps: extracting plasma free DNA, performing DNA chemical error repair, preparing a self-checking dimolecular identification code hairpin type joint, repairing plasma free DNA, connecting DNA with the joint, and performing Pre-PCR amplification, excessive hybrid capture, Post-PCR amplification, computer sequencing, data error correction, and mutation analysis and annotation. The method disclosed by the invention can efficiently realize low frequency mutation detection of plasma free DNA. DNA error repair and dual redundancy checking technology can enable the method tohave ultralow false positive rate and high sensitity while detecting trace samples, thus avoiding defects of existing plasma circulating free DNA detection methods, not only realizing cancer mutationdetection and targeted medication guidance, but also realizing early screening of genetic and birth defects of fetus.

The invention relates to the technical field of catalysts for preparing gasoline, in particular to a catalyst for preparing a gasoline blending component through alcohol-naphtha coupling, a preparation method and application thereof. The catalyst comprises a metal modified molecular sieve, a rare earth element modified molecular sieve, one or multiple active components like platinum, palladium, tin and rhenium loaded on a carrier and two or three active components like nickel, molybdenum and tungsten. The catalyst has functions of isomerization, naphthene dehydrogenation, cracking, alkylation,aromatization and desulfurization and can effectively increase gasoline yield and octane value of gasoline and lower sulfur content.

The invention relates to the technical field of environmental monitoring, and provides an atmospheric environmental pollutant prediction model based on a dynamic space-time attention mechanism. The model comprises the following steps: acquiring concentration data, temperature data and humidity data of pollutants at S monitoring stations, and constructing an input matrix; performing one-dimensional convolution operation on the input matrix to obtain an original sequence; constructing a space-time encoder, and inputting the original sequence into the space-time encoder; adding a convolution gating unit to control the output of the space-time encoder; constructing a static attention mechanism and a dynamic attention mechanism, and fusing the static attention mechanism and the dynamic attention mechanism with output information of the space-time encoder to obtain encoding information of a target site; and constructing a decoder, decoding the coding information of the target site, and outputting a prediction result. By means of the technical scheme, the problem that in the prior art, an air pollutant prediction model is poor in prediction accuracy is solved.

The invention discloses a refreshing and breathable sanitary towel.The refreshing and breathable sanitary towel comprises a bottom waterproof layer and an upper water storage layer.The upper water storage layer is arranged on the bottom waterproof layer, a breathable layer is arranged on the upper water storage layer, a soft layer is arranged on the breathable layer, anti-leakage protecting wings are arranged on the two sides of the upper water storage layer respectively, the breathable layer is made of non-woven fabric or eyelet fabric, the soft layer is a cotton thin layer, and the edges of the two sides of the breathable layer and the soft layer are connected.By means of the mode, the refreshing and breathable sanitary towel has the advantages that as the breathable layer is additionally arranged particularly, the breathability of the soft layer is improved, and back permeating from the upper water storage layer to the soft layer is reduced; as the anti-leakage protecting wings and the upper water storage layer are isolated from each other, cross influences are avoided, and the soft layer is more refreshing.

The invention belongs to the technical field of battery equalization and particularly discloses a single capacitor centralized-type equalizer topology and an equalization method thereof. N battery cells are sequentially serially connected to form a battery pack; each battery cell is connected with an energy converter; the energy converters are in mutual parallel connection at an output end and aretogether connected with an energy storage capacitor; two ends of the energy storage capacitor are connected with a discharge control switch and a rear diode, and the discharge control switch and therear diode are connected with the positive end and the negative end of the battery pack. The topology distributes one relatively-independent energy converter for each battery cell, one capacitor is adopted to temporarily store energy, the energy stored in the capacitor is periodically fed back to the battery pack, and overall equalization on the battery pack is realized. the discharge circuit of asingle battery passes through the whole battery pack, the battery equalization speeds at different positions are kept consistent, a voltage interleaving phenomenon caused by equalization speed differences is avoided, and the single capacitor centralized-type equalizer topology has the advantages of quick equalization speed, little energy loss and the like.

The invention provides a wide-range single-inductor multiple-output converter which comprises a main power circuit, a follow current loop, a switching element and a feedback control circuit. When a secondary side current is is reduced to a follow current reference value, a switching tube S2 is closed, an original current is kept at a constant value through the switching tube S2 and a diode Dfw until a switching tube S1 is switched on again; the switching element is used for controlling on-off of the circuit and guaranteeing that the circuit works in a pseudo continuous electric conduction mode, and meanwhile all output branched circuits multiplex one transformer in a time-division mode. The feedback control circuit is connected with the switching element and the main power circuit and used for feeding back, controlling and adjusting output voltage or currents of all the output branched circuits, and therefore the output voltage or the currents are kept constant. The converter is simple in structure, small in size, low in cost capable of achieving wide-range output and beneficial to improving production efficiency, components are few, and no intersection influence exists among all the output branched circuits.

The invention discloses a software testing method and system based on point function driving. The software testing system comprises a client computer, a test execution environment server, a test driving device and a database server, wherein the test driving device comprises a central processor and an interface chip, an input field retrieval register, an input field stack supervisor register, a business function retrieval register, a function chain generating register and a function chain loading register, wherein the central processor and the interface chip are used for interacting data with the test execution environment server; the input field retrieval register is used for retrieving the association relationship data of the tested function, and obtaining the information of all input field data types; the input field stack supervisor register is used for storing the information of data types in a stacking way; the business function retrieval register is used for obtaining the function containing the information of corresponding data types; the function chain generating register is used for generating the function chain data containing the mapping relationship between the information of data types and the tested function; and the function chain loading register is used for loading the function chain data to the test execution environment server through the interface chip. According to the mutual relationship of functions, the correlation or cross function of the software is fully tested, and the software testing cost is reduced.

An outlay plant tissue cutter optical bioreactor culture system which contains transfusion system, air transportation system, illumination system and bioreactor culture system, data processor, light-sensitive monitor, tee valve, incision system, air filter, vacuum / pressure pump. The silicone tube is the connection of the transfusion system and air transportation system to the bioreactor culture system; the outside of it is illumination system; and the other side is light-sensitive monitor. The invention can decrease the pollution of the incision greatly.

The invention, which relates to the field of gait detection and recognition, discloses a gait detection and recognition system and method based on micro-nano optical fiber composite sensing. The system comprises a light source module, an optical fiber coupling module, a detection demodulation module, a signal processing module, an upper computer module and a plurality of micro-nano optical fiber composite sensors. Each micro-nano optical fiber composite sensor comprises a multi-core optical fiber, a photonic crystal optical fiber and a single-mode optical fiber which are connected in sequence;a tapering area is arranged on the single-mode optical fiber; the connection position of the multi-core optical fiber and the photonic crystal optical fiber is a first collapse area; and the connection position of the photonic crystal optical fiber and the single-mode optical fiber is a second collapse area. According to the invention, the sensor can be prevented from being influenced by cross inthe measurement process, so that three-dimensional gait detection and recognition of multi-information fusion are carried out, and the measurement precision and recognition rate are effectively improved.

The invention provides a multi-modal network control-data plane consistency verification method and device. The method comprises the following steps: loading a consistency verification component in a multi-modal network control plane, and loading a probe generation component and a log sampling component in a multi-modal network data plane, wherein the probe generation component injects detection flow into a network, so that the detection flow is forwarded through a data plane; using the log sampling component for sampling, analyzing and sorting the detection flow which is forwarded and output by the data plane, and sending a sorting result to the consistency checking component; and enabling the consistency verification component to compare a network configuration information analysis result in the control plane with a sorting result generated by the log sampling component to complete verification work, wherein the network configuration information analysis result and the sorting result generated by the log sampling component adopt the same file format. According to the invention, consistency verification of the control plane and the data plane can be completed, and security support is provided for a multi-mode network to bear various services.

The invention discloses a passive type body liquid sample screening and examining device based on paper diaper and a using method thereof, relates to an examining device of body liquid sample, and aims to solve the problem that the conventional device is inconvenient to use, a sample with a small volume cannot be measured accurately and reliably, and the results cannot be maintained for a long time. From the top to bottom, the device sequentially comprises a surface layer made of a hydrophilic material, a collecting layer made of a hydrophobic material, a test layer made of a hydrophilic material, a protective layer made of a hydrophobic material, and a read layer made of a hydrophobic material; the collecting layer comprises a central outlet arranged on the center of the collecting layer, and a self locking switch arranged on the center outlet; and the test layer comprises a test layer body, a route network for passing fluids, and a detection reaction reagent block arranged in the route network. The provided device can detect small volume samples, is capable of detecting multiple markers, and has the advantages of reliable test results, long retaining time of results, and user-friendliness.

The invention relates to an atmospheric aerosol smoke system for simulating an open burning of biomass and measuring a mass concentration. The system comprises a combustion device for simulating an open burning of biomass, an aerosol smoke box for simulating emission of atmospheric pollutants into the atmosphere, and a particulate mass concentration measuring device connected in sequence. The atmospheric aerosol smoke system of the invention has three functions simultaneously, that is, the process of the open burning of the biomass to emit the atmospheric pollutants can be accurately and trulysimulated; the physicochemical reactions of various heights of the atmospheric pollutants produced by the open burning of crop straw in the troposphere and even the stratosphere are artificially controllable and repeatedly simulated, and at the same time the effects of complex meteorological and topographical factors in the actual environment are excluded; and the mass concentration of differentemission factors can be accurately measured.

The invention discloses an automatic control system and an automatic control method of a direct current electric arc furnace. The automatic control system of the direct current electric arc furnace comprises a direct current electric arc furnace body, an in-furnace infrared temperature measuring device, a cathode electrode, an electrode lifting device, an in-furnace temperature control sensor, an electrical power device, a voltage control sensor, an anode electrode, a discharge temperature control sensor, a discharge infrared temperature measuring device and a feed control device. The automatic control method of the direct current electric arc furnace includes: collecting voltage values between the cathode electrode and the anode electrode in the direct current electric arc furnace body, and calculating difference values between the voltage values and a preset voltage value so as to control the electrode lifting device to rise and fall for adjusting the voltage values; collecting in-furnace temperature, and calculating different values between the in-furnace temperature and preset temperature so as to control current magnitude of a direct current power source; collecting temperature of material flowing out of a discharge port, and calculating difference values between the temperature of the material and preset temperature so as to control feed amount. The automatic control system and the automatic control method of the direct current electric arc furnace use different control parameters for amending voltage, electric arc, feeding speed and the like, avoid cross influence of the above factors, and achieve full automatic control for the direct current electric arc furnace.

The invention discloses a method for embedding an optical fiber for testing internal force of a cast-in-place pile by an acoustic testing pipe. The method comprises the following steps that 1, an optical fiber embedding device is manufactured; 2, a steel wire rope is connected with the optical fiber embedding device, and the optical fiber is wound; 3, the optical fiber is bound; 4, the acoustic testing pipe is grouted; 5, the optical fiber is lifted downward; and 6, the steps 1 to 5 are repeated to complete the embedding of the optical fiber in the other acoustic testing pipe. According to themethod, the design is reasonable, the influence on the construction of the cast-in-place pile is less, the accuracy of strain test of the cast-in-place pile is ensured, and the subsequent analysis ofthe internal force of the cast-in-place pile is convenient.

The invention discloses a detection device for a micro-fluidic biologic chip and a preparation method of the detection device. The detection device mainly comprises a groove plate, a bottom plate, a groove and a notch, wherein detection points are arranged in the groove. The detection device is easy to prepare and use, and is suitable for large-scale production and application, and the detection result is stable and reliable.

The invention discloses a normal temperature liquid phase adsorption and membrane separation dehydration method for polyoxymethylene dimethyl ether. The method comprises the following steps: (a) feeding to-be-dehydrated polyoxymethylene dimethyl ether into an adsorption tower filled with an adsorption agent, carrying out adsorption, discharging adsorbed polyoxymethylene dimethyl ether from the adsorption tower, and adding adsorbed polyoxymethylene dimethyl ether into a product collection tank; (b) after the adsorption agent reaches a certain adsorption value, stopping feeding, regenerating the adsorption agent, draining desorption liquid from the bottom of the adsorption tower in the regenerating process, adding materials which are subjected to primary membrane separation dehydration into a raw material liquid pipeline, carrying out deep dehydration in the adsorption tower, and starting adsorption after the regeneration is finished in the adsorption tower; and (c) circularly carrying out the steps (a and b). By virtue of a process, few devices are used in the whole process, and the operation is simple; by virtue of smart process condition selection, and the dehydration efficiency and the dehydration quality can be effectively improved.

The invention provides a silicon wafer classifying and collecting method. The silicon wafer classifying and collecting method comprises the steps that silicon wafers are conveyed by a first conveying device to a detection station; the silicon wafers are detected at the detection station, and the silicon wafers are divided into a first type of silicon wafers of which the detection result meets a predetermined standard and a second type of silicon wafers of which the detection result does not meet the predetermined standard according to the detection result; the first type of silicon wafers are conveyed by the first conveying device to a first wafer receiving station so as to receive the first type of silicon wafers; the second type of silicon wafers are transferred from the first conveying device to a second conveying device located on the side of the first conveying device; and the second type of silicon wafers are conveyed by the second conveying device to a second wafer receiving station so as to receive the second type of silicon wafers. According to the silicon wafer classifying and collecting method, the second type of silicon wafers are reversed to the second conveying device located on the side of the first conveying device to be collected, the first type of silicon wafers are directly collected on the first conveying device, therefore, the collecting processes of the two types of silicon wafers do not interfere with each other, and finally the overall collecting efficiency is improved.

The invention relates to a double-antibody sandwiched enzyme-linked immunosorbent assay kit for detecting a foot-and-mouth disease vaccine host cell protein. The double-antibody sandwiched enzyme-linked immunosorbent assay kit comprises a standard substance, a 96-pore elisa plate coated with a rabbit anti-BHK21 cell protein polyclonal antibody, horse radish Peroxidase labeled goat-anti-rabbit IgG, an anti-BHK21 cell protein antibody fluid, a diluent, a confining liquid, a washing liquid, a stop liquid 2M H2SO4 and a developing liquid, wherein the standard substance is a baby hamster kidney cell protein; the coated antibody and the detection antibody are both rabbit anti-BHK21 cell protein polyclonal antibodies. The coated antibody quantity in the detection kit provided by the invention is more stable and homogeneous; trace antigens are emulsified more simply, conveniently and fully; a binding antibody and a detection antibody are the same antibody and are more convenient, rapid and efficient for manufacturing the kit; the cross influence among different antibodies is prevented.

The invention relates to an atmospheric aerosol smoke system for simulating open burning of biomass and measuring number concentration of particulate matters. The system comprises a burning device forsimulating the open burning of the biomass, an aerosol smoke box for simulating a process of discharging atmospheric pollutants into the atmosphere, and a particular matter particle size measuring device, which are connected in sequence; the atmospheric aerosol smoke system has three functions at the same time, and stimulates the process of discharging the atmospheric pollutants in the open burning of the biomass accurately and really; the physical and chemical reactions of the atmospheric pollutants generated in open burning of crop straws at all heights of the troposphere and even the stratosphere can be simulated in an artificially controllable and repeatable manner, and meanwhile, the influence of complex weather, terrains and other factors in the actual environment is eliminated; andthe number concentrations of atmospheric particulate matters with different particle sizes discharged in the open burning of the biomass can be accurately reflected.

The invention provides a mixed type double-layer optical intelligent sensor network with bidirectional expandability. The mixed type double-layer optical intelligent sensor network comprises a double-layer structure including a terminal node layer and a sensor network layer. The terminal node layer produces a modulating signal and generates spectrum, conducts wavelength conversion and broadens the spectrum, decodes an optical code diversion multiple access signal, demodulates and displays in real time. The sensor network layer comprises n sensor network sublayers, codes the optical code diversion multiple access signal, returns to a wavelength router, and then transmits to a receiver. Separated type and distributed type sensor units or sensors in the sensor network sublayers are mixed and networked. The wavelength router is increased and the number of the sublayers is expanded longitudinally; various topological structures are selected by the sensor units or the sensors so as to achieve expansion of the sensor units or the sensors and have the bidirectional expandability. A mixed type double-layer network coordinates and works, and demodulation information is displayed on a computer in real time. A threshold value is set, and if a demodulation valve reaches the threshold value, alarm is conducted. Meanwhile, the mixed type double-layer optical intelligent sensor network can be connected to other terminal equipment to remind operators of removing hidden danger and nip in the bud.

The invention relates to the technical field of culture and analysis of microorganisms, and discloses a high-throughput algae culture and test method. The method comprises the following steps: (S1) culturing algae in a high-throughput algae culture device; (2) caring out automatic sampling by an automatic sampling device from the high-throughput algae culture system and conveying the obtained sample to an analysis and detection device for detection; and (3) according to a test result of the analysis and detection device in the step (2), regulating and controlling culture conditions through a culture parameter feedback regulation device. According to the method, high-throughput and intelligent algae culture, rapid and automatic sampling detection, automatic sampling analysis in the cultureprocess and feedback control over culture conditions can be achieved.

The invention provides a detection mechanism used for detecting a tested edge of a to-be-tested silicon at a detection station, the tested edge includes two opposite first surfaces, a second surface and an end surface connecting the first surfaces and the second surface. The detection mechanism includes a surface light source, an end surface light source, a surface reflection mechanism, an end surface reflection mechanism and a detection camera, wherein the surface light source is configured to illuminate surface illumination light to at least one surface of the tested edge, the surface reflection mechanism is configured to reflect the surface illumination light reflected by the at least one surface to the detection camera, the end surface reflection mechanism is configured to reflect theend surface illumination light emitted by the end surface light source to an end surface of the tested edge, and the end surface illumination light is reflected by the end surface of the tested edge to the detection camera. The detection mechanism is advantaged in that the end surface of the tested edge of the to-be-tested silicon and at least one surface can be detected, and thereby detection efficiency is improved, and detection cost is reduced.

The invention discloses a stirrer used for testing in the internal medicine department and provided with a convenient-to-replace stirring structure, and relates to the field of medical devices. The device includes a bottom plate, side plates are symmetrically fixedly connected to the bottom plate, the side plates are slidably connected with a cross plate, the left end of the cross plate is provided with a motor, the output end of the motor is in flat-key connection with a second rotation shaft, the two ends of the second rotation shaft are rotatably connected with bearings, the second rotation shaft is uniformly fixedly connected with a driving bevel gear that are meshed and connected with a driven bevel gear, the bottom of the driven bevel gear is fixedly connected with a straight rod, the bottom of the straight rod is fixedly connected with a connection block, the connection block is connected with a polygonal inserting block through a polygonal groove, the connection block and the polygonal inserting block are connected with a plug pin, the bottom of the polygonal inserting block is fixedly connected with the stirring structure, the stirring structure includes a stirring shaft, a stirring rod and a bolt, the top of the stirring shaft is fixedly connected with the polygonal inserting block, the bottom of the stirring shaft is connected with the stirring rod, and the top of the stirring rod is in threaded connection with the bolt. The stirring structure is convenient to replace and meanwhile is adjustable in size.

The invention discloses a wafer transfer method and a wafer transfer platform. The wafer transfer method comprises the following steps: S1, a first manipulator conveys a wafer in a front open type wafer conveying box into a transition bearing mechanism of a transition chamber; S2, a second manipulator sends the wafer in the transition chamber to a process bearing mechanism in the process chamber for processing; s3, the second manipulator sends the wafer processed by the process chamber into a vacuum bearing mechanism of the vacuum chamber; s4, the steps from S1 to S3 are repeated until the wafers in the open wafer transfer box are all processed by the process chamber and then placed in the vacuum chamber; s5, the processed wafers in the vacuum chamber are sequentially conveyed into the front-open type wafer conveying box through the first manipulator. The processed wafers and the unprocessed wafers are separated, the cross influence of the processed wafers and the unprocessed wafers is avoided, it is ensured that the processed wafers are not polluted, the yield of the wafers is increased, high practicability and popularization value are achieved, the improvement cost is low, and the actual process requirements are met.

The invention discloses a movable light-guide fiber display which structurally comprises a handle, a control switch, a movable box and a display screen. The movable box is provided with a light sourceplate, a fixed plate, a scaling mechanism and a transparent plate. A pressure block in a blocking mechanism is scaled through a controller in a telescopic device, when a telescopic mechanism is retracted, a bent rod is stressed and bent inwards to block light, so that the irradiation range in an irradiation hole is prevented from being too dense, the intensity of the light is adjusted, the diffraction phenomenon caused by too dense irradiation is avoided, and the visual effect at the edge of the pattern is prevented from being influenced by light cross; and the refractivity of a light sourceemitted by a bent mirror is controlled, so that light rays are in a good uniform scattering state, the light rays are prevented from forming a cross phenomenon, the light rays enter a reverse transparent mirror in a scattering structure and are refracted and diffused from rhombic holes after being focused, the light rays reach a uniform state, light sources are scattered orderly, and the problem of non-uniform brightness caused by scattering deviation is solved.

The invention discloses a semiconductor structure and a forming method thereof. The forming method comprises steps: a substrate is provided, wherein the types of the device regions comprise one or twoof an NMOS region and a PMOS region, and the same type of the device regions is used for forming devices with different threshold voltages; a gate structure is formed on the substrate; and source-drain doping layers are formed in the substrate at two sides of the gate structure, and in the same type of device regions, the source-drain doping layers corresponding to different threshold voltages have different doping ion concentrations. By adjusting the doping ion concentration of each source-drain doping layer in the same type of device regions, the threshold voltage of each device is easy toadjust respectively, the adverse effect of the process of forming a work function layer on the performance and yield of the device can be reduced, and the cross influence of the threshold voltage adjustment of any device on other devices is avoided.