33results about How to "Improve the consistency rate" patented technology

The invention discloses a comprehensive ability assessment method and a comprehensive ability assessment system for old people. The assessment method comprises the steps of obtaining level values of ability assessment based on comprehensive ability data information of old people; and obtaining comprehensive ability levels of old people based on the level values of the ability assessment and weight coefficients of the level values. The assessment system comprises a data module used for acquiring, processing and storing comprehensive ability data of old people, and an assessment module which performs analysis to obtain the comprehensive ability levels of old people. The assessment method is scientific and rigorous in design, credible in assessment level division result, wide in application range, good in operability, short in assessment time, time-saving, labor-saving, high in consistency rate and wide in actual application prospect; and the assessment system is reasonable in structure design and can quickly and reliably obtain the comprehensive ability levels of old people.

The invention relates to a gene chip for detecting important respiratory pathogenic viruses. A preparation method of the gene chip comprises the following steps of: preparing a specific primer; preparing a virus specific probe; preparing an oligonucleotide chip; establishing an RT-PCR (Reverse Transcription-Polymerase Chain Reaction) system; establishing a hybrid system; preparing a visual detection reagent; and establishing a developing method. The gene chip prepared by the invention can be used for simultaneously discriminating nine general respiratory pathogenic viruses comprising A and B type influenza viruses, parainfluenza viruses type 1 and 2, human metapneumovirus, respiratory syncytial virus, measles virus, rubella virus and mumps virus, provides a new solution for quickly detecting the general respiratory pathogenic viruses at high throughout and can provide guidance for monitoring, clinically diagnosing and treating the respiratory pathogenic viruses.

The invention discloses a point-to-point secret key negotiation method based on physical layer pilot frequency presetting. The method comprises the steps that a mobile station transmits a standard pilot frequency signal to a base station, and the base station estimates and quantizes the complex channel coefficient of an uplink via the standard pilot frequency signal so that the required base station side secret key is obtained; the base station calculates a pilot frequency presetting complex coefficient so that an equivalent complex channel coefficient obtained by multiplying of the pilot frequency presetting complex coefficient and the complex channel coefficient of the uplink is enabled to be at the central position of a complex channel coefficient quantitative judgment domain; and the base station transmits pilot frequency obtained by multiplying of the pilot frequency presetting complex coefficient and standard pilot frequency, and the mobile station estimates and quantizes the equivalent complex channel coefficient of a downlink via the standard pilot frequency signal so that the required mobile station side secret key is obtained. The whole process of secret key generation, negotiation and distribution is completed in one time according to physical layer pilot frequency presetting so that the method has advantages of high consistency rate of the generated secret keys, great intercepting resistance and low realization difficulty and cost.

The invention relates to a gene chip for detecting important enteric causative viruses. The preparation method for the gene chip for detecting important enteric causative viruses comprises the following steps: preparing a specific primer; preparing a virus-specific probe; preparing an oligonucleotide chip; building an RT-PCR (Reverse Transcription-Polymerase Chain Reaction) system; building a hybrid system; preparing a visual detection reagent; and building a color developing method. According to the gene chip prepared by the invention, 10 types of common enteric causative viruses can be simultaneously screened, including poliomyelitis virus I, II and II, enterovirus 71 type, coxsackie virus A16type, coxsackie virus B3, B4 and B5 types, echovirus 30 type and Rotavirus. According to the invention, a new solution for high-flux and quick detection of common enteric causative viruses can be provided, and guidance for monitoring, clinically diagnosing and treating the enteric causative viruses can be provided.

The invention relates to a guiding gene chip for HCV infection individual treatment. The preparation method of the guiding gene chip comprises the following steps: preparing a universal primer; preparing an HCV hypotype nucleic acid parting probe and a human IL-28B rs12979860 investigation of polymorphism probe; preparing an oligonucleotide chip; building a polyfunctional RT-PCR system; building a hybrid system. The gene chip prepared by the method can discriminate five hypotypes of 1b, 2a, 3a, 3b and 6a of HCV at the same time, can detect polymorphism of CC, TT and CT three genes of human rs12979860, has the advantages that the gene chip is quick, accurate, and high in flux and specificity, and can provide guiding for HCV clinical diagnosis and individual treatment.

The invention is applicable to the technical field of communication, and provides a side channel key generation method, a side channel key generation device and a communication system, the side channel key generation method can be applied to an information sending end for encryption communication, and the method comprises the following steps: after a communication starting signal is sent, collecting channel state phase information; performing phase correction on the acquired channel state phase information to generate phase-corrected channel state phase information; quantizing the channel state phase information after phase correction to generate a binary bit with a preset length; checking the binary bit with the preset length, generating a check code, and sending the check code to the information receiving end which is in encrypted communication with the information sending end; and randomly selecting digits from the binary digits with the preset length to generate a communication key, and sending an index with the selected digits to the information receiving end. According to the side channel key generation method provided by the invention, the consistency rate, the generation rate, the randomness and the security of key generation can be greatly improved.

The invention discloses a construction method and application of a Guilingji UPLC fingerprint and belongs to the technical field of traditional Chinese medicine. Psoralen, neobavaisoflavone and oleanolic acid are selected as reference samples, and 2-5 microliters of test sample solution and 2-5 microliters of reference sample solution are precisely extracted and separately injected into an ultra-high performance liquid chromatograph for analysis separately; according to chromatographic conditions, a chromatographic column adopts octadecylsilane bonded silica as filler, the column temperature is 25-35 DEG C, the flow rate is 0.1-0.3 mL / min, the detection wavelength is 203 nm, a mobile phase adopts acetonitrile and water gradient elution, and the Guilingji UPLC fingerprint is obtained. According to the Guilingji UPLC fingerprint established by means of the method, the material information of Guilingji can be comprehensively reflected, the precision degree is high, the reproducibility isgreat, and the quality of the Guilingji can be accurately and effectively evaluated and controlled.

The invention discloses a construction method and application of the UPLC fingerprint of Dinghundan, belonging to the technical field of traditional Chinese medicines. According to the invention, a test solution and a reference solution are respectively subjected to ultra-high performance liquid chromatographic analysis under the following chromatographic conditions: formic acid-water with a concentration of 0.1% is used as a mobile phase A; formic acid-methanol with a concentration of 0.1% is used as a mobile phase B; gradient elution is performed; a column temperature is 30 DEG C; the sampleinlet amount is 5 [mu]mL; the flow rate is 0.2 mL / min; and detection wavelength is 280 nm. 22 common peaks are obtained through analysis of the fingerprint information of Dinghundan. According to theinvention, traditional Chinese medicine chromatographic fingerprint similarity evaluation system software developed by the National Pharmacopoeia Commission is adopted for data matching of the liquidchromatograms of the test solution and the reference solution to obtain a standard fingerprint chromatogram. The fingerprint of Dinghundan established by using the construction method provided by theinvention can comprehensively reflect substance information of Dinghundan, and can accurately and effectively evaluate and control the quality of Dinghundan.

The invention relates to the technical field of inductor manufacturing, and discloses an inductor wire twisting mechanism. The mechanism comprises a frame, a positioning component, a cable managementjaw, a branching jaw and a twisting jaw, wherein the positioning component, the cable management jaw, the branching jaw and the twisting jaw are arranged on the frame. The positioning component can position a jig. The cable management jaw, the branching jaw and the twisting jaw are all located on the same side of the jig. The cable management jaw, the branching jaw and the twisting jaw can move toward or away from the jig. The wire management jaw can be clamped or stretched vertically. The branching jaw can be clamped or stretched horizontally. The twisting jaw can be rotated. The invention further discloses an inductor wire twisting device. The device comprises a main frame, a conveying mechanism arranged on the main frame, a number of feeding mechanisms which are sequentially arranged along the side of the conveying mechanism, a number of inductor wire twisting mechanisms and a blanking mechanism. The feeding mechanisms take the jig on which a wire package is placed to the conveyingmechanism. The inductor wire twisting mechanism twists multiple strands on the wire package. The blanking mechanism takes and transfers the jig on the conveying mechanism. The device has the advantages of high efficiency and high consistency.

The invention discloses an engine rocker arm oil hole permeability automatic detection device. The device comprises a gas detection table, a feeding robot and a discharging robot, wherein the feedingrobot and the discharging robot are located on the two sides of the gas detection table; a rocker arm positioning mechanism, a rocker arm jacking mechanism and a rocker arm sensing device are arrangedon the gas detection table; the feeding robot places a rocker arm on the rocker arm positioning mechanism of the gas detection table; the rocker arm jacking mechanism is used for guiding and fixing;the rocker arm positioning mechanism is provided with a gas inlet and a gas outlet; the gas inlet is externally connected with a gas source; the gas outlet is aligned with an oil hole of the rocker arm; an air pressure sensor is arranged on the inner side of the gas inlet; airflow entering the gas inlet enters the oil hole of the rocker arm through the gas outlet; pressure changes are detected through the air pressure sensor; and if an oil way is unobstructed, pressure is unchanged; and if the oil way is obstructed, the pressure is increased. According to the device of the invention, 100% detection of the permeability of the oil hole of the engine rocker arm can be realized; unmanned automatic engine oil hole permeability detection is adopted, and therefore, the detection efficiency is improved, the detection accuracy and consistency rate are improved, manual deviation is avoided, and the operating cost and risk of companies are reduced.

The invention relates to the technical field of press-fitting machines, in particular to an automatic press-fitting machine for an engine ball head and a ball socket, comprising an equipment steel frame, a side cover A, a light switch socket, a solenoid valve island, an electrical cabinet side cover A, and an electrical cabinet front cover Panel, front door, side panel door, touch screen, alarm, equipment front door, vibrating plate cover door, hydraulic support rod, ground foot, main power switch, side cover B, ventilation fan, electrical cabinet side cover B, defective product box, Rear cover plate A, rear cover plate B, front door baffle and control button of the equipment, side cover plate A is fixed on one side of the equipment steel frame by bolts, and side cover plate B is fixed on the other side of the equipment steel frame by bolts; light switch The socket is fixed on the upper side of the side cover A of the electrical cabinet by bolts, and the solenoid valve island is fixed on the lower side of the side cover A of the electrical cabinet by bolts. The integrated and modular layout of the present invention also shortens installation and maintenance time, and brings more convenience to operators and maintenance personnel.

The present disclosure relates to an information sending method, device, base station and storage medium, so as to improve the probability of successful random access between the base station and user equipment. The method for sending information includes: during the random access process between the base station and the user equipment, when the base station does not receive the random access establishment message sent by the user equipment, the public search space and the dedicated search space Selecting a target search space; sending downlink control information to the user equipment through the target search space.

The invention discloses a polycrystalline self-doped smooth top gate JFET device and a manufacturing method thereof. The device comprises a P-type substrate 100, a P-type buried layer 101, an N-type epitaxial layer 102, a P-type isolation penetration region 103, a field oxide layer 104, a pre-oxide layer 105, a P-type channel region 106, a P-type heavily doped source-drain region 107, a polycrystalline gate region 108, an N-type gate diffusion region 109, a TEOS metal front dielectric layer 110, a source-drain electrode first layer metal 111 and a gate electrode first layer metal 112. The manufacturing method comprises the following steps: 1) injecting a first conductive type buried layer; and 2) growing a second conductive type epitaxial layer; 3) injecting a first conductive type isolation penetration region; 4) growing a field oxide layer; 5) injecting a first conductive type channel region; 6) injecting the heavily doped source-drain region of the first conductive type; 7) forminga polycrystalline gate region; 8) etching a second conductive type gate diffusion region; and 9) depositing a TEOS metal front dielectric layer, and forming source and drain electrode first layer metal and gate electrode first layer metal. The device can control the magnitude of the input impedance and threshold voltage more accurately.

The invention discloses a method and a computer system for detecting copy number variation using a single sample based on a next-generation sequencing technology. The present invention can start from the original sequencing data, without relying on factors necessary or required by traditional methods such as comparison, sequencing depth, GC content correction, and paired samples to detect copy number variation CNV on a single sample. This not only simplifies the experimental and analysis steps and reduces the cost, but also the analysis results are highly consistent with the traditional method, and the false positives and false negatives detected by the traditional method are effectively corrected by adding clinical verification results (such as FISH verification) .

The invention discloses a method for constructing Dingkundan UPLC fingerprint and its application, belonging to the technical field of traditional Chinese medicine. The test solution and the reference solution were subjected to ultra-high performance liquid chromatography analysis, and the chromatographic conditions were 0.1% formic acid water as mobile phase A, 0.1% formic acid methanol as mobile phase B, gradient elution, column temperature 30 ° C , the injection volume was 5 μL, the flow rate was 0.2 mL / min, and the detection wavelength was 280 nm. A total of 22 common peaks were obtained by analyzing the fingerprint information of Dingkundan. Using the Chinese medicine chromatographic fingerprint similarity evaluation system software formulated by the National Pharmacopoeia Commission, the liquid chromatographic data of the test solution and the reference solution were matched to obtain the standard fingerprint. The Dingkundan fingerprint spectrum established by the invention can comprehensively reflect the material information of the Dingkundan, and can accurately and effectively evaluate and control the quality of the Dingkundan.

The invention discloses a biomarker for detecting small intestine neuroendocrine tumors. The biomarker comprises CgA and Midkine. The invention also discloses a kit. The kit comprises an antibody fordetecting CgA and an antibody for detecting Midkine. The invention also discloses a kit composition. The kit composition comprises a kit for detecting CgA and a kit for detecting Midkine. The invention also discloses a use of the kit or kit composition in preparation of a preparation for detecting small intestine neuroendocrine tumors. The biomarker composition is used for plasma (including serumsamples) detection or diagnosis of the small intestine neuroendocrine tumors. The method is non-invasive, is easy to operate and has the characteristics of high sensitivity and high specificity.

The invention relates to an anti-human ApoA1 monoclonal antibody for identifying HDL subclasses positively correlated with coronary heart disease, and preparation and an application thereof. The invention discloses an ApoA1 monoclonal antibody D11-6, and the ApoA1 monoclonal antibody D11-6 can be used for specifically recognizing a specific antigen epitope of an ApoA1 protein. The ApoA1 monoclonal antibody D11-6 is secreted by a hybridoma cell strain D11-6, the hybridoma cell strain D11-6 is preserved in the China Center for Type Culture Collection (CCTCC), the preservation date is April 26, 2021, the preservation number is CCTCC NO: C202187, and the preservation address is Wuhan University, China. The ApoA1 monoclonal antibody D11-6 disclosed by the invention is used for developing a kit suitable for clinical high-flux immunoturbidimetry automatic detection, so that risk prediction and clinical monitoring of cardiovascular and cerebrovascular diseases can be realized, and a foundation is further laid for clarification of occurrence and development mechanisms of the diseases.

The invention relates to the technical field of press-fitting equipment, in particular to an automatic press-fitting device for a ball head and ball socket lantern ring assembly of an engine. The automatic press-fitting device comprises a ball head lantern ring assembly and the ball head and ball socket lantern ring assembly. The ball head lantern ring assembly is composed of a ball head bolt and a lantern ring, the ball head and ball socket lantern ring assembly is composed of a ball head bolt, a lantern ring and a ball socket, in the ball head lantern ring assembly, holes are formed in the middles of the two faces of the lantern ring, and a ball head of a ball stud cannot pass through the small hole, and can pass through the large hole. The press-fitting efficiency of the ball head and ball socket lantern ring assembly is greatly improved, the detection accuracy and consistency rate are greatly improved, manual deviation is completely eradicated, and the number of press-fitting and detection personnel is reduced. The operating cost and risk of a company are effectively reduced. Meanwhile, due to integrated and modularized layout, the installation and maintenance time is shortened, and more convenience is brought to operators and maintainers.

The invention discloses a construction method of Guilingji UPLC fingerprint and its application, which belongs to the technical field of traditional Chinese medicine. Psoralen, new psoralen isoflavone and oleanolic acid are selected as reference substances, and the test substances are precisely absorbed 2‑5 μL each of solution and reference solution were injected into ultra-high performance liquid chromatography for analysis, chromatographic conditions: chromatographic column filled with octadecylsilane-bonded silica gel, column temperature 25‑35 °C, flow rate 0.1‑0.3 mL / min, the detection wavelength is 203nm, and the mobile phase is eluted with a gradient of acetonitrile and water to obtain the UPLC fingerprint of Guilingji. The fingerprint of the tortoise set established by the invention can comprehensively reflect the material information of the tortoise set, has high precision and good reproducibility, and can accurately and effectively evaluate and control the quality of the tortoise set.

The invention relates to the technical field of engine ball head and ball socket automatic detection and grading, in particular to an automatic grading mechanism for a ball head and a ball socket of an engine. A ball head and ball socket clamping mechanism is fixed to a buffer connecting mechanism through a bolt; a large ball head and ball socket discharging mechanism is fixed to a ball head feeding mechanism through a threaded hole; a small ball head and ball socket discharging mechanism is fixed to a ball socket feeding mechanism through a threaded hole; and a ball head and ball socket grading detection mechanism is fixedly connected to a grading platform through a bolt. By integrating inductive sensors such as an electromagnetic valve, an infrared correlation sensor, a groove photoelectric electromagnetic proximity switch, a magnetic switch and a photoelectric switch, the running state of the ball head and ball socket automatic grading mechanism is monitored in real time, the ball head and ball socket grading detection efficiency is greatly improved, the detection accuracy and consistency rate are greatly improved, manual deviation is avoided, and detection personnel are reduced.

The invention discloses a method and system for generating a physical layer key based on deep learning. By collecting the estimated value pairs of the channels of the legal communication two parties within the coherence time, and fusing the estimated value pairs obtained by the legal communication two parties respectively, the obtained value is obtained. A pair of training data, several pairs of training data are obtained within a certain coherence time, and a secret key generation network is established between the two communication parties. The secret key generation network includes a feature extraction network and a decoding network; the training data is used to train the secret key generation network to realize the network Deep learning training, the feature extraction of both parties in the communication, the Pearson correlation coefficient and the mean value of each dimension of the consistent feature vector output by the network are shared to complete the training of the secret key generation network, and the trained secret key generation network is used to generate the feature vector according to the communication value, using the secret key generation network. The key quantization algorithm quantizes the generated eigenvectors to obtain the key sequence of both parties in communication, which effectively improves the key generation rate and the key generation rate, and improves network security.

The invention relates to the technical field of automatic detection and classification of engine ball head ball sockets, in particular to an engine ball head ball socket automatic classification mechanism. The feeding mechanism is fixed on the ball head feeding mechanism through threaded holes, the small ball head and ball socket feeding mechanism is fixed on the ball and socket feeding mechanism through the threaded holes, and the ball head and ball socket grading detection mechanism is fixed to the grading mechanism through bolts. on the platform. The invention realizes real-time monitoring of the running state of the ball head and ball socket automatic grading mechanism by integrating inductive sensors such as a solenoid valve, an infrared beam sensor, a groove photoelectric electromagnetic proximity switch, a magnetic switch, and a photoelectric switch, and greatly improves the performance of the ball head. The detection efficiency of ball and socket bins greatly improves the detection accuracy and consistency rate, eliminates manual deviation, and reduces the number of inspection personnel.

The invention relates to an information sending method and device, a base station and a storage medium, and aims to improve the probability of successful random access of the base station and user equipment. The information sending method comprises the steps of in the process of random access between the base station and user equipment, when the base station does not receive a random access establishment message sent by the user equipment, selecting a target search space from a public search space and a proprietary search space; and sending downlink control information to the user equipment through the target search space.

The invention discloses a physical layer key generation preprocessing method based on symplectic transformation, which comprises the following steps of: firstly, respectively acquiring uplink and downlink channel characteristic measurement values by two wireless communication parties Alice and Bob, respectively performing symplectic transformation on the acquired uplink and downlink channel characteristic measurement values, and finally obtaining a channel characteristic result on a time delay Doppler domain. The generated channel characteristics of the time delay Doppler domain can further generate a secret key through the steps of quantization, secret key negotiation, privacy methods and the like. According to the invention, the problem of low key generation consistency rate caused by poor channel reciprocity due to high-speed movement of the terminal is solved. The method is used for improving the consistency of physical layer keys and enhancing the security of a wireless communication system, can be specifically applied to wireless key distribution, including the fields of secure communication, millimeter wave communication, underwater communication, military communication and the like, and can be expanded to a multi-node communication scene.

The invention discloses a point-to-point key negotiation method based on physical layer pilot pre-adjustment, comprising: a mobile station transmits a standard pilot signal to a base station, and the base station estimates and quantizes the complex channel coefficient of the uplink through the standard pilot signal to obtain the obtained The required base station key; the base station calculates the pilot pre-modulation coefficient, so that the equivalent complex channel coefficient multiplied by the pilot pre-modulation coefficient and the uplink complex channel coefficient is in the center of the complex channel coefficient quantization decision domain ; The base station transmits the pilot obtained by multiplying the pilot pre-modulation coefficient by the standard pilot, and the mobile station estimates and quantizes the equivalent complex channel coefficient of the downlink through the standard pilot signal to obtain the required mobile terminal key. The invention completes the whole process of key generation, negotiation and distribution in one time according to the pilot frequency pre-adjustment of the physical layer, and has the advantages of high consistency rate of generated keys, good anti-eavesdropping performance, low implementation difficulty and low cost.

The invention provides a method for enhancing the reciprocity of physical layer information. First of all, modify the communication protocol of the two parties so that it can quickly build and return the detection frame at the link layer, which reduces the time difference between the two parties measuring the channel, thereby reducing the channel change during this period of time, and improving the extraction efficiency of the two parties. The reciprocity of the channel characteristics obtained; then, according to the variance of the extracted channel characteristics, dynamically adjust the sending rate of the detection packet, which reduces the channel and system overhead, and enhances the reciprocity of the communication parties; then, screens out the dynamic The channel characteristics measured in the area; finally, the channel characteristics with enhanced reciprocity can be obtained by denoising the selected channel characteristics.

The invention relates to a gene chip for detecting important enteric causative viruses. The preparation method for the gene chip for detecting important enteric causative viruses comprises the following steps: preparing a specific primer; preparing a virus-specific probe; preparing an oligonucleotide chip; building an RT-PCR (Reverse Transcription-Polymerase Chain Reaction) system; building a hybrid system; preparing a visual detection reagent; and building a color developing method. According to the gene chip prepared by the invention, 10 types of common enteric causative viruses can be simultaneously screened, including poliomyelitis virus I, II and II, enterovirus 71 type, coxsackie virus A16type, coxsackie virus B3, B4 and B5 types, echovirus 30 type and Rotavirus. According to the invention, a new solution for high-flux and quick detection of common enteric causative viruses can be provided, and guidance for monitoring, clinically diagnosing and treating the enteric causative viruses can be provided.

The invention relates to a gene chip for detecting important respiratory pathogenic viruses. A preparation method of the gene chip comprises the following steps of: preparing a specific primer; preparing a virus specific probe; preparing an oligonucleotide chip; establishing an RT-PCR (Reverse Transcription-Polymerase Chain Reaction) system; establishing a hybrid system; preparing a visual detection reagent; and establishing a developing method. The gene chip prepared by the invention can be used for simultaneously discriminating nine general respiratory pathogenic viruses comprising A and B type influenza viruses, parainfluenza viruses type 1 and 2, human metapneumovirus, respiratory syncytial virus, measles virus, rubella virus and mumps virus, provides a new solution for quickly detecting the general respiratory pathogenic viruses at high throughout and can provide guidance for monitoring, clinically diagnosing and treating the respiratory pathogenic viruses.