76results about How to "Reliable screening" patented technology

A transport system, in particular an airport baggage handling system, includes a container for receiving an article, a sensor assembly including an inductive sensor for monitoring a transport of the container along a transport path, and a screening device for completely scanning the article within the container together with the container. The container is provided with a marking in the form of a doped zone or a metal element so attached to the container body as to pass the sensor assembly in its response range for detection of the container. The container body is hereby constructed to allow scanning of the article together with the container body.

The invention relates to a pilot protection method for a power transmission line based on signal distance and Bergeron model, belonging to the technical field of relay protection for electric power systems. The pilot protection method comprises the following steps of: when the power transmission line has faults, in a short-time window, measuring voltages (uM, uN) and currents (iM, iN) at the head end (M) point and the tail end (N) point of the power transmission line, simulating and calculating the current at the tail end of the power transmission line by using the actually measured voltage (uM) and current (iM) at the head end according to the line current distribution rule expression of the Bergeron model, comparing the waveforms of the quasi tail end current and the actually measured tail end current (iN), calculating the mutual distance degree between the quasi current and the actually measured current (iN), comparing the calculated mutual distance degree with the set mutual distance degree setting value, and identifying faults inside or outside the region according to the size relationship of the two mutual distance degrees. The pilot protection method is not influenced by excesssive resistance and fault initiating angle and has the advantages of quickly and reliably identifying faults inside and outside the region and the like.

An acceleration sensor includes a fixing portion, a weight portion, a detection beam, support beams, and a metal wiring. The weight portion is supported on the fixing portion so as to be freely displaced. The detection beam is connected to the fixing portion and the weight portion and piezoresistive elements are provided on the detection beam. The support beams are provided separately from the detection beam and are connected to the fixing portion and the weight portion. Both ends of the metal wiring are extended to the fixing portion and the metal wiring is wired so as to pass through the support beams.

An illumination device (1) having comprising at least one support element (4) and at least one light-emitting diode (5) arranged on the support element (4), characterized in that wherein at least one of the plurality of components (2, 3, 4, 7, 10) of the illumination device (1) intended for heat dissipation from the light-emitting diode (5), in particular the support element (4), is provided at least in part with an electrically insulating layer (6, 11) having a high thermal conductivity, formed at least in part from a carbon compound, in particular from amorphous carbon, in particular tetrahedral amorphous carbon.

The invention discloses a targeting vector and nucleic acid composition for constructing a liver injury mouse model, and a construction method, and relates to the technical field of genetic engineering and genetic modification. The targeting vector disclosed by the invention comprises a first expression cassette and a second expression cassette positioned at the downstream of the first expressioncassette; the first expression cassette comprises the following sequential series components: a liver-specific promoter, a tetracycline transcriptional activation regulating factor and a first polyA;and the second expression cassette comprises the following sequential series components: a second polyA, a mouse prourokinase activator coding gene, and a tetracycline-induced promoter. The liver injury mouse model constructed by the targeting vector has henotype of spontaneous liver injury and induction aggravated liver injury; the mouse death rate of the filial generation thereof is low; large-scale breeding can be conveniently carried out; and the invention provides the reliable liver injury mouse model for researching liver diseases.

The invention belongs to the technical field of tumor cell three-dimensional culture, and particularly relates to a tumor cell three-dimensional model and a construction method and application thereof. According to the construction method, an alginate solution is added into a mixed cell suspension solution containing tumor cells and fibroblasts, a mixed cell-alginate solution is obtained, and thenthe mixed cell-alginate solution is dropped into a calcium salt solution to obtain mixed cell microspheres. The tumor cell three-dimensional model and the construction method and application thereofhave the advantages that alginate and calcium salt are adopted for cross-linking to prepare the microspheres as cytoskeletons, thereby reducing the cost of three-dimensional culture of the tumor cells, the alginate has good biocompatibility and non-immunogenicity, thereby being capable of providing a good three-dimensional growth environment for the cells, and three-dimensional co-culture is carried out on the tumor cells and the fibroblasts, thereby being capable of simulating the living environment of the tumor cells in the body more accurately, so that screening and / or evaluation of antitumor drugs by the constructed tumor cell three-dimensional model are / is more accurate and reliable, thereby being capable of reducing the cost of the research and development of the antitumor drugs.

The invention provides an intelligent review system based on semantic splitting and a working method. The system comprises an expert database subsystem, an expert extraction subsystem, an expert review subsystem, a data entry subsystem, an evaluation rule subsystem, a data comparison subsystem and an intelligent review subsystem. An expert database, expert technical fields and expert personal information are generated according to expert information. a target evaluation rule is set, and a target review expert is obtained; normalization processing is performed on obtain a scoring table and review opinions; and data verification is carried out, a single evaluation rule, a multi-dimensional evaluation rule, an index evaluation rule and a fund evaluation rule are set, document classification, compliance check and innovativeness check are carried out, and a comprehensive score can be generated. According to the system and the method provided by the technical schemes of the invention, project classification is carried out through semantic splitting, intelligent preliminary screening is carried out through multi-dimensional comprehensive scoring of innovation, grammar compliance and the like, and the review efficiency is improved on the basis of online automatic expert screening, review time arrangement and comprehensive scoring.

The invention discloses a defect detection method and a defect detection device of an optical component, wherein the judging part (13) makes the dimension L1 of the lamination direction of the incident area (19) larger than the thickness L2 of the light guide layer (22) of the optical component (14) way of incidence. The detection light (18) can enter the light guide layer (22) even if the positioning accuracy of the incident position of the detection light (18) is low. The judging unit (13) makes the detection light (18) incident so as to be smaller than the dimension L3 of the lamination direction of the optical member (14). The detection light (18) can be prevented from being scattered by scattering factors such as dust and scratches on both end faces of the optical member (14) in the stacking direction Z. Therefore, the defect (25) of the optical component (14) can be detected with high precision by detecting the light emitted from the optical component (14).

A method is provided for accurately screening monolithic ceramic capacitors to reject those having internal defects. A constant direct current is supplied between the external electrodes (6) of a monolithic ceramic capacitor (1) having defects (12) in its effective dielectric layer (8). When the voltage between the external electrodes (6) is increased and a voltage curve (11) becomes flat, the constant direct current (4) is further supplied for a predetermined time. If the voltage between the external electrodes (6) abruptly falls during the predetermined time, the capacitor is rejected as defective.

The invention provides a method for high-efficiency screening of cold-resistant varieties of rice at a seedling stage, relating to the technical field of rice screening. The method comprises the following steps: selecting soil, putting the soil into a culture dish, adding nutrients, drying the seeds, selecting the seeds, soaking the seeds with a reagent, carrying out germination treatment, sowing the seeds, putting the culture dish in an artificial weather box to simulate a cold environment and recording and analyzing the cold resistance level of all the rice varieties at the seedling stage. The method provided by the invention has the advantage that the problem of low screening efficiency of the existing cold-resistant varieties of the rice at the seedling stage is solved.

The invention discloses a cloud server-based investment management evaluation system. The system includes an information acquisition terminal, a risk evaluation module, an income evaluation module anda report generation terminal. The information acquisition terminal collects running information of all investment enterprises, and sends the collected running information to the risk evaluation module. The risk evaluation module compares the received running information and preset risk rating information to determine investment risk coefficients of the investment enterprises, and respectively sends the same to the income evaluation module and the report generation terminal according to the investment risk coefficients of the investment enterprises. The income evaluation module calculates income evaluation coefficients according to the received investment risk coefficients, and sends the income evaluation coefficients to the report generation terminal. The system can effectively evaluate investment risks and incomes of all the investment enterprises through the risk evaluation module and the income evaluation module, facilitates reliable screening of managers on the investment enterprises, and has the characteristics of high accuracy of screening and time saving of manual reviewing.

The invention discloses a gene expression profile based drug toxicity individual-susceptible gene marker screening method. The method comprises the following steps: choosing individuals susceptible and tolerable to a drug toxicity according to the drug toxicity susceptibility difference of individuals to respectively compose a susceptible subset and a tolerance subset; choosing differentially expressed genes before administration according to the gene expression profiles of the above two subsets before the administration; further screening the differentially expressed genes before the administration according to the gene expression profiles of the two subsets after the administration to obtain an individual-susceptible latent gene marker capable of indicating the drug toxicity; and verifying the latent gene marker, and screening to obtain individual-susceptible gene marker capable of indicating the drug toxicity. The individual susceptibility of drug toxicities is researched on the basis of the gene expression profile, so the method is reliable and has a strong maneuverability.

The invention discloses gene markers for forecasting an immunotherapy effect on a cancer and application of the gene markers. The markers comprise BRD4, RPS6KA4, TET1, BCL10, FGFR2, RAD51C, TCF7L2, TGFBR1, AR, BBC3, H3C11, TSC2, NSD1, PNRC1, IGF2, H3C3, SOCS1, TCF3, TSHR, PMS2, EGFR and CDKN2A. According to the application, a model constructed by 22 genes can be used for predicting an immunotherapy effect and better instructing clinical medication, and the susceptibility and specificity of prediction of the model are superior to those of PD-L1 expression.

The invention provides a screening method for pollutants in water. The screening method comprises the following steps of: obtaining a sample to be detected from a water sample to be detected; carryingout two-dimensional gas chromatographic analysis on the sample to be detected to obtain an intermediate analyte; bombarding one part of the intermediate analyte through an EI ion source to generate ions with different mass-to-charge ratios; carrying out mass spectrum analysis to obtain first spectrograms which are arrayed according to the size sequence of the mass-to-charge ratios; carrying out ECD (Electron Capture Detector) detection on the other part of the intermediate analyte to obtain second spectrograms; screening the first spectrograms by adopting a mass spectrum difference value method and comparing with the second spectrograms; if a screening result of the mass spectrum difference value method has an effective signal which represents organic chloride, organic bromide or a nitrylsubstitute possibly and the second spectrograms also have the effective signal, determining that the sample contains the organic chloride, the organic bromide or the nitryl substitute. By adopting the method provided by the invention, reliable screening of chlorine substituted (-Cl) organic pollutants, bromine substituted (-Bl) organic pollutants and nitryl substituted (-NO2) organic pollutants can be conveniently and rapidly realized.

The invention provides a transformer digital self-adaptive protection device and method based on pressure features. The device comprises a transient oil pressure feature quantity measuring module, a switching quantity input module, a signal modulation and collection module and a digital core module, wherein the transient oil pressure feature quantity measuring module is connected with the signal modulation and collection module; and the signal modulation and collection module and the switching quantity input module are connected with the digital core module. The transient oil pressure digitalinformation of a plurality of measuring points inside an oil tank is obtained in real time; an action pressure value representing the oil pressure amplitude is obtained through operation; a protectioncriterion and threshold value setting method is built by using the obvious differences of the feature quantity under different operation conditions of a transformer; the reliable fast and sensitive discrimination and elimination of faults inside the oil tank of the transformer can be realized; and no influence is caused by excitation inrush current. Meanwhile, the fault state self-adaptive and threshold value self-adaptive protection scheme is designed so as to accelerate the protection action speed.

The invention discloses a grading, drying and selecting sieve for grain processing, which comprises a screening box, an entrance and exit are opened on the screening box, a movable door is installed on the screening box corresponding to the entrance and exit, and the inside of the screening box is fixedly connected sequentially from top to bottom. There are a first screening plate, a second screening plate and a third screening plate, a heating plate is fixed on the inner wall of one side of the screening box, a first spring is fixedly connected to both sides of the top of the screening box, and the top of the first spring is fixedly connected to a first connecting plate. A motor is fixed on the bottom of the first connecting plate through the mounting plate, and the motor drives the screening box to shake through the transmission assembly, and the grain is graded and screened through the first, second, and third screening plates, and the heating plate can remove the moisture in the grain. The invention is convenient to use, reliable in screening and low in drying cost.

The invention discloses an on-load tap changer top cover deformation monitoring and protecting integrated device and method. The device comprises an oil pressure starting unit and a strain monitoring unit; the oil pressure starting unit and the strain monitoring unit are disposed on a converter transformer tap changer top cover; the oil pressure starting unit comprises a high-frequency dynamic oil pressure sensor; the strain monitoring unit comprises a strain sensor; and the strain monitoring unit is also connected with an alarm unit and a tripping unit. The device and method have an irreplaceable protection effect on reliably and quickly identifying the plastic deformation of the top cover. The device and method have important engineering practical significance for transformer operation personnel to accurately and reliably acquire internal oil pressure of the oil chamber of the transformer tap changer and the deformation data of the top cover of the transformer tap changer in real time and evaluate the safe operation state of a transformer. The device can reliably operate for a long time, is not influenced by strong electromagnetism and greasy dirt environment, has the advantages of high response speed and high measurement frequency, does not inject harmonic waves into a power system in the operation process, and does not influence the normal operation of primary and secondary equipment in a transformer substation.

The invention discloses a filtering method of human body temperature measurement data, and belongs to the technical field of human body temperature detection. The method comprises the following steps:acquiring original temperature measurement data and corresponding time data for continuously measuring the temperature of a human body according to a specified time interval; setting the lowest temperature threshold and the highest temperature threshold of each time stage; comparing the obtained original temperature measurement data with a lowest temperature threshold value and a highest temperature threshold value of a corresponding time stage; and keeping the original temperature measurement data between the lowest temperature threshold and the highest temperature threshold of the time stage as effective body temperature values, and selecting the integral body temperature and the highest body temperature value within the specified duration from the effective body temperature values. According to the method, the temperature of the human body can be continuously measured, and the temperature measurement data can be effectively filtered, so that an infected person or even a non-symptomatic infected person can be identified.

The invention discloses a water treatment method based on pollutant screening. The water treatment method comprises the following steps: collecting a sample to tested from a water sample to be tested;carrying out two-dimensional gas-phase chromatographic analysis so as to obtain medium analyte; carrying out EI (Electronic Impact) ion source bombardment on a part of the analyte to generate ions, and carrying out mass spectrometry so as to obtain a first spectrum; carrying out ECD (Electron Capture Detector) on another part of the analyte so as to obtain a second spectrum; and screening the first spectrum by using a mass spectrum difference value method, comparing with the second spectrum, and confirming that the sample to be tested has iodine substituted organic pollutants or nitrile organic pollutants if effective signals representing iodine substituted organic pollutants or nitrile organic pollutants are available in screening results and the second spectrum also has the effective signals. By adopting the method, reliable screening on iodine substituted organic pollutants or nitrile organic pollutants can be conveniently and rapidly achieved, screened pollutants can be effectively treated, and the organic pollutants can be specifically removed.

The invention relates to a primer ACY of a Ty-3 molecular marker and an indexing method thereof. Genome DNA of tomato leaves of two anti-infection materials of a tomato yellow leaf curl virus is subjected to PCR amplification, so that an accurate and efficient molecular marker for distinguishing a disease-resistant variety from a susceptible variety is obtained, and the marker is stable and reliable, and therefore, tomato marker-assistant selective breeding is facilitated. The special Ty-3 molecular marker amplifies a 132bp stripe in the disease-resistant variety and amplifies a 123bp stripe in the susceptible variety, and the stripes are clear; and a primer is designed in a gene region, so that false positive generated by exchange is not generated, and accurate reliability of identification results is guaranteed; and the identification results are completely consistent with a field phenotype of a used material.

This invention discloses a selection method for the reliability of an infrared focal plane detector, which adds several mutual connected In convex points on the surroundings of a photosensitive array chip and adds several mutual connected In convex points on the surroundings of a read-out circuit, when the chip and the read-our circuit are welded face-down to make up of a focal plane detector, the added several In convex points will compose several single connected resistors and the common connected welding points of the chip and the circuit are taken as a common connected resistor, then the single connected resistors and the N common connected welding points are parallel to constitute a test circuit to be tested with a resistor test device and the resistance value is judged.

The invention provides a customer screening method and device, a server and a computer readable storage medium. The method comprises the following steps: acquiring customer characteristic data of an inactive customer; inputting the obtained customer characteristic data into a classification decision model to obtain an evaluation value of a classification parameter output by the classification decision model; and screening the non-activated clients according to the evaluation values of the classification parameters. Compared with the situation that screening is conducted according to manual industry experience in the prior art, the influence of manual subjective factors on the screening result can be effectively avoided, and therefore the accuracy of the screening result is effectively improved.

The device includes testing scrip, standard color grade card and hard plate. A flute is on bottom part of the plate. The color grade card is put in the flute. Grids including 8 grids in lateral and 12 grids in vertical and testing scrip is in each grid. There are two red areas in different dark and light on the color grade card. Different red color represents different amount of haemoglobin. An interpretation hole is located in center areas respectively. Blood is dropped to a piece of test scrip. After about 30 seconds, spot of sampled blood is compared with color in color grade card through the hole. Based on result, determining whether a blood donor is qualified is made. Features of the test device are simple design, easy of carrying, fast and reliable testing.

A sterilization container has a valve arrangement that remains open in a venting phase and is then closed before a pressure difference is compensated for at a predetermined differential pressure. The valve remains closed until the container is opened for the purpose of withdrawing and using the sterilized instruments contained therein. The valve is actuated through a snap disk arrangement, the snap disks of which vault gradually into opposite directions at predetermined temperatures, thereby effecting a defined valve control. The snap disk arrangement is provided in a thermally isolated housing, which prevents a premature back-switching of certain snap disks that could be caused by a cooling-off as a result of the evaporation of condensate.

The invention provides a display screen defect evaluation device, a maintenance method thereof, and a to-be-detected display screen. Specifically, the display screen defect evaluation device includes a detection unit, and the detection unit comprises: an optical lens, which has a variable focal length; and an optical filter component, which is disposed oppositely to the optical lens and is provided with a plurality of marks, which fit the focus of the optical lens in order so as to calibrate the position of each optical filter in the optical filter component. The invention solves the problem of poor reliability of display screen defect evaluation in the prior art.

A handheld work apparatus has a combustion engine for driving a tool of the work apparatus and further has an air filter unit for filtering the intake air of the combustion engine. The work apparatus defines a vertical direction. The air filter unit includes an air filter and a filter housing enclosing the air filter. The air filter extends along a filter axis and has a filter element disposed peripherally around the filter axis, wherein the filter axis forms an angle of inclination (α) with the vertical direction. The filter element has an upper filter section in relation to the vertical direction. The filter housing has, remotely from the upper filter section, at least one air intake window and, in addition thereto, a further upper, permanently open cold air intake window in the region of the upper filter section.

The invention relates to a regional energy system potential evaluation method and a system for realizing the method. The method comprises the following steps: receiving an input target region; receiving one or more regions divided from the target region; receiving an input regional energy (refrigeration / heating) demand and a construction feasibility score distribution proportion; if the grid division tool is used, extracting the pre-calculated energy demand and construction feasibility score of the region from a database; if a lasso tool is used, extracting energy use requirements and construction related data of the region and national design specification data from the database; extracting a building energy demand and construction feasibility evaluation model matched with the target region from an algorithm library, and respectively calculating an energy demand and construction feasibility score of the region by utilizing the model based on the data; and based on the score distribution proportion, performing weighted average on the energy demand and the construction feasibility score to obtain an engineering potential score of the region, and outputting the engineering potentialscore.