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57results about How to "Does not affect the detection effect" patented technology

Uniform wearing identification method for power construction site staff

The invention discloses a uniform wearing identification method for the power construction site staff. The method comprises the following steps: detecting whether a person enters a site or not, detecting the head and the body of the detected person and the direction of the detected person relative to a camera, and detecting whether the person wears a safety helmet or not; if the person wears the safety helmet and the face or the back of the person is opposite to the camera, carrying out safety hamlet character detection in a head area; when one side of the person is opposite to the camera, carrying out armband detection in a joint area of the head and the body; according to safety hamlet and armband detection results, judging whether the person is a staff member or not; and if the detection results show that the person is not a staff member, sending an alarm prompt. The method provided by the invention has the beneficial effects that HOG features are combined with SVM classifiers; and the LBP operator is adopted for texture analysis of safety hamlet characters and an armband, so that rotation invariance, gray invariance and other outstanding advantages are achieved, and the illumination robustness is high.
Owner:HANGZHOU POWER SUPPLY COMPANY OF STATE GRID ZHENGJIANG ELECTRIC POWER +1

Fixed-position human behavior analysis method

The invention discloses a fixed-position human behavior analysis method, and the method comprises the following steps: 1), carrying out the HOG feature extraction of a human body detection target or scanning window; 2), carrying out the CSS feature extraction of the human body detection target or scanning window; 3), extracting the HOG and CSS features, inputting a trained SVM, and judging whether the inputted trained SVM is a human body or not: carrying out SVM human body detection if the inputted trained SVM is the human body; 4), carrying out the CNN human body second confirmation of a detected human body image; 5), marking key parts in the human body image with landmark key points, connecting the landmark key point, forming integrated description of the human body or face, and carrying out shape regression; 6), carrying out the MHCRF behavior recognition of the series of obtained landmark key points related with a target attitude through the relative position of the obtained landmark key points. The method has the advantages of invariance and normalization, and is especially suitable for the detection of the human body in the image.
Owner:浙江博天科技有限公司

Preparation of cell growing slide assembly of CBA (cytometric bead array) kit for detecting MOG-IgG, CBA detection kit and application of CBA detection kit

The present invention relates to the preparation of a cell slide assembly for a CBA kit for detecting MOG-IgG, the CBA detection kit and its application. The preparation method of the cell slide assembly is as follows: S1: construction of MOG plasmid; S2: overexpression of MOG gene Lentiviral packaging; S3: Construction of a cell line (MOG-293T cell line) overexpressing the MOG gene; S4: Preparation of cell slide components. The kit includes cell slide assembly, anti-human IgG-FITC secondary antibody, blocking solution, PBS and mounting medium; the kit can be used for detection of MOG autoimmune IgG antibody in clinical samples. The kit of the invention has the advantages of simple operation, strong detection specificity, high sensitivity, good repeatability of experimental results, can be popularized and applied, and can be used for detection of MOG autoimmune IgG antibody in clinical samples.
Owner:GENERAL HOSPITAL OF PLA

Wireless electroencephalogram-based control system for controlling crawler type mobile robot

The invention belongs to the field of brain computer interface application control of motor imagery, and specifically relates to a wireless electroencephalogram-based control system for controlling a crawler type mobile robot. The wireless electroencephalogram-based control system for controlling the crawler type mobile robot includes eight conductive electrode caps used for detecting brain waves which collect and transmit brain waves, a wireless multi-parameter synchronizer that receives electroencephalogram signals, a mobile computing terminal that processes brain wave signals and sends control signals and the crawler type mobile robot that is wirelessly controlled, wherein the mobile computing terminal runs inside an algorithm analysis program that analyzes brain waves and a control program used for sending the electroencephalogram control signals to the crawler type mobile robot. The control system provided by the invention uses wireless head-mounted few-electrode cap to detect the brain waves, greatly simplifies preparation difficulty of brain wave detection without influencing a brain wave detection effect, and an equipment tester who wears the electrode caps can conveniently and freely rotate the head and neck.
Owner:HARBIN ENG UNIV

Fluorescent reagent for detecting trace gamma-globulin, as well as preparation method and application thereof

The invention discloses a fluorescent reagent for detecting trace gamma-globulin, as well as a preparation method and application thereof, and belongs to the field of fluorescent bio-sensors. The fluorescent reagent is prepared from TABD-Py-PF6 and a good solvent. The preparation method comprises the following steps: dissolving (1Z,3Z)-1,4-di(4-methoxycarbonyl) phenyl-1,4-dibromo-1,3-butadiene in the good solvent, adding 4-pyridine phenylboronic acid, a catalyst and a basic salt, and reacting to obtain TABD-Py; dissolving the TABD-Py in a solvent, adding iodomethane to synthesize iodate, adding potassium hexafluorophosphate, and reacting to obtain TABD-Py-PF6; dissolving the TABD-Py-PF6 in the good solvent to obtain the fluorescent reagent. The fluorescent reagent does not need participation of metal ions, has a specific lighting-type fluorescent response on gamma-globulin, has high and quick sensitivity on gamma-globulin detection, and has high selectivity. The fluorescent reagent has an excellent visible detection signal, can be completely separated from high-precision instruments according to actual requirement, and can meet current requirement for detecting the gamma-globulin in serum to a great extent.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Bill thickness detecting device

The present invention discloses a bill thickness detecting device arranged in an ATM banknote processing mechanism. The device comprises a conveying roller, an upper infrared distance measurement sensor, a lower infrared distance measurement sensor, and a controller. The conveying roller provides power to allow a bill to move along a bill transport path. The upper infrared distance measurement sensor and the lower infrared distance measurement sensor are symmetrically arranged at two sides of the bill transport path and are connected to the controller and transport distance data detected in real time to the controller. The controller is internally provided with a data collection module, a data analysis module, and a data processing module. The data collection module receives measurement data in real time. The data analysis module analyzes the measurement data. The data processing module receives the data information analyzed by the data analysis module and judges whether the bill is qualified or not. According to the technical scheme, comprehensive bill thickness data can be obtained, whether the bill is qualified or not can be comprehensively evaluated, the bill conveying speed can be raised, the detection efficiency is improved, and the detection effect is not affected.
Owner:SHANGHAI GOOAO ELECTRONIC TECHNOLOGY CORP

Kit for quantitatively detecting PML/RARalpha mRNA level

The invention discloses a kit for quantitatively detecting PML / RARalpha mRNA level. The kit comprises a standard product for manufacturing a standard curve, an internal reference gene real-time quantitative PCR system and at least one of three real-time quantitative PCR systems: L-type PML / RARalpha real-time quantitative PCR system, S-type PML / RARalpha real-time quantitative PCR system and V-type PML / RARalpha real-time quantitative PCR system. The kit can accurately, rapidly and quantitatively detect the PML / RARalpha mRNA level, is used for diagnosis of acute promyelocytic leukemia and monitoring of minimal residual diseases during treatment, and provides important molecular basis for confirmed diagnosis of clinic diseases, determination of treatment proposals, curative effect evaluation and prognosis.
Owner:PEOPLES HOSPITAL PEKING UNIV

Optical fiber type continuous monitoring device for sublingual microcirculation

The invention discloses an optical fiber type continuous monitoring device for sublingual microcirculation which comprises a sublingual microcirculation detection body, an imaging element and an imageprocessing part. The imaging element and the image processing part are separately arranged, and the sublingual microcirculation detection body is connected with the imaging element and the image processing part through optical fibers. According to the invention, the detection head body is separated from subsequent image processing and other working units, so that the size and weight of the detection head body are reduced, and the detection head body is prevented from occupying too much space under the tongue and causing pressure under the tongue. While improving the comfort of a user, the optical fiber type continuous monitoring device can make the operator get rid of the work burden of a long-time handheld device, realize continuous microcirculation monitoring, and improve the accuracy and repeatability of the continuous microcirculation monitoring area.
Owner:SHANGHAI JIAO TONG UNIV +1

Motion direction based abnormal behavior detection method in monitoring video

The invention discloses a motion direction based abnormal behavior detection method in monitoring video, which solves a problem that a video abnormal behavior is difficult to be detected accurately through analyzing the motion direction. The abnormal behavior detection method mainly comprises the following three parts: preliminary video object acquisition, video object optimization and video object abnormal behavior detection. In the first part, original video frames and background video frames are processed, and a preliminary video object is acquired by using an improved background subtraction method; in the second part, preliminary video object pixels with the moving speed being within a noise boundary threshold are screened, and the accurate position of the video object is acquired; and in the third part, the motion direction of the video object pixels is calculated, and a motion direction entropy is calculated so as to judge whether a behavior is abnormal or not. The abnormal behavior detection method simulates artificial marking, can detect most of the abnormal situations in time and has good real-time performance and effectiveness.
Owner:NANJING UNIV OF POSTS & TELECOMM +1

Financial document image segmentation and correction method based on mobile terminal

The invention discloses a financial document image segmentation and correction method based on a mobile terminal. The method comprises the following steps: (1) preprocessing an image; (2) performing foreground and background segmentation on the image; (3) carrying out contour detection on the segmented image; (4) removing redundant contours; (5) carrying out straight line fitting on the document contour to obtain four straight lines, and then solving four intersection points; and (6) correcting the position of the document to obtain a standard rectangle. According to the financial document image segmentation and correction method based on the mobile terminal, the financial document image is accurately segmented under different illumination intensities, and the whole algorithm has the advantages of being simple, high in accuracy, good in robustness and high in positioning speed.
Owner:湖南联信科技有限公司

Method for separation, enrichment and detection of Cu and Zn in food

The invention discloses a method for separation, enrichment and detection of Cu and Zn in food. The method is as below: co-precipitating Cu and Zn in a food sample with 2,9 -dimethyl-4,7-diphenyl-1,10- phenanthroline disodium sulfonic acid (BCP); and then determining the content of Cu and Zn by using a flame atomic absorption spectrometry (FAAS). The method has the advantages of simple process, high detection and sedimentation speed and low cost; BCP is used as a co-precipitation agent, and no vector element is needed. Compared with the prior literature art, the method has the advantages of low detection limit and high degree of accuracy.
Owner:云南商测质量检验技术服务有限公司

Kit for quantitatively detecting AML1/ETO mRNA level

The invention discloses a kit for quantitatively detecting an AML1 / ETO mRNA level. The kit comprises a standard product which is used for manufacturing a standard curve, an inner reference gene real-time quantitative PCR system and an AML1 / ETO real-time quantitative PCR system. The kit can accurately, quickly and quantitatively detect the AML1 / ETO mRNA level, is used for diagnosing acute myelogenous leukemia and monitoring minimal residual diseases in a treatment process, and provides an important molecular basis for accurate diagnosis of clinical diseases, determination of a treatment proposal, curative effect evaluation and prognosis.
Owner:PEOPLES HOSPITAL PEKING UNIV

Fluorescence compound for detecting trace cyanogens ions as well as preparation method and application of fluorescence compound

The invention discloses a fluorescence compound for detecting trace cyanogens ions as well as a preparation method and application of the fluorescence compound, and belongs to the field of fluorescence chemical sensors. The fluorescence compound is called as TPP-CN for short. The preparation method comprises the following steps: firstly, dissolving TPP into a good solvent 1, adding phenylboronic acid, a catalyst and alkali salt, performing a sufficient reaction at certain temperature so as to obtain TPP-CHO; dissolving TPP-CHO into a good solvent 2, adding malononitrile, performing a sufficient reaction at certain temperature, and purifying, thereby obtaining TPP-CN. The TPP-CN has high-sensitivity specific fluorescence response to cyanogens ions in a water body, dual response of fluorescence intensity quenching and color 'blue shift' can be resulted, and moreover the response is very rapid to implement.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Zr < 4 + >-induced metal organic gel fluorescent switch sensing material and preparation method and application thereof

The invention discloses a Zr < 4 + >-induced metal organic gel fluorescent switch sensing material and a preparation method and application thereof, and the method comprises the following steps: A1, transferring DMF and H2O into a reaction vessel, and then fully shaking until the DMF and H2O are completely mixed, wherein the volume ratio of DMF to H2O is 7: 3; A2, adding BTC into the reaction container, wherein the reaction container is subjected to ultrasonic treatment for 20 seconds until the ligand BTC in the system is completely dissolved, and then adding ZrCl4 into the mixed solvent, wherein the molar ratio of ZrCl4 to BTC is 1: 4; and A3, putting the reaction system into an ultrasonic instrument, and carrying out ultrasonic treatment at 80 DEG C for 30 minutes to form white columnargel. According to the constructed novel fluorescence switch sensing platform, ARG can be selectively detected through a charge transfer effect, and CrO4 < 2-> in water can be rapidly detected and removed through energy resonance transfer and a chemical adsorption effect.
Owner:ANHUI UNIVERSITY

Image collection method based on detection ball and detection ball

The invention discloses an image collection method based on a detection ball. The method comprises the following steps: detecting the light intensity of a current scene; detecting a life signal in the current scene to determine whether a life body is present in the current scene; when the life body is determined to be present in the current scene, controlling a light source to continuous illuminate at a corresponding illumination effect according to the detected light intensity, and controlling a camera to collect videos; and when the life body is determined to be not present in the current scene, controlling the light source to carry out flashing illumination at the corresponding illumination effect according to the detected light intensity, and controlling the camera to collect images. The invention further provides a detection ball. The detection endurance time can be prolonged while ensuring the detection effect.
Owner:GCI SCI & TECH

Pedestrian detection method

A pedestrian detection method provided by the invention comprises the following steps: S100, training SVM (Support Vector Machine) classifiers, and training the two SVM classifiers by taking a human head and two legs as positive samples and taking a pedestrian background as a negative sample; S200, constructing an image pyramid by using the to-be-detected image; S300, sliding the window, and intercepting a target window on each scale of the image pyramid; S400, extracting HOG features from the target window; S500, sending the HOG features extracted in the step S400 into an SVM classifier, andjudging whether the target window is the head of a pedestrian, the two legs of the pedestrian or the pedestrian background in a classified mode; And S600, combining pedestrians according to the head and leg results detected in the step S500, and judging whether the to-be-detected image contains the pedestrians or not. Therefore, the pedestrian detection rate is improved by detecting the combination strategy of the human head and the two legs, and the problem that the pedestrian detection rate is not high is solved through the pedestrian detection and recognition method based on the SVM and theHOG.
Owner:珠海大轩信息科技有限公司

Attitude estimation method based on sparse Gaussian process with noise input and attitude estimation system thereof

The invention provides an attitude estimation method based on the sparse Gaussian process with noise input and an attitude estimation system thereof. The attitude estimation method comprises the stepsof image feature extraction: the human body attitude contour of an image is extracted through the suppressed background model and the adaptive threshold and the HOG features of the image are extracted; and prediction estimation: the induction input and output set of a sparse algorithm is selected, the Gaussian noise is added to the input set, and the hyper-parameters of the Gaussian process withthe noise input are determined through the maximum likelihood estimation method and the gradient descent method so that the joint probability distribution function of the Gaussian process can be determined, the selected induction input and output set is used as the training set to perform sparse training of the sparse algorithm and the prediction estimation model can be obtained. Great invariancecan be maintained for the geometrical and optical deformation, and the tiny motion of the human body can be omitted without influencing the detection effect so that the method has better fitting degree and robustness, low complexity and great operation efficiency, prediction accuracy and anti-noise performance.
Owner:SHANGHAI JIAO TONG UNIV

Molybdenum diselenide gas-sensitive sensing material as well as preparation and application thereof

The invention provides a molybdenum diselenide nano material. The molybdenum diselenide nano material has a nano flower structure formed by assembling molybdenum diselenide nano sheets. The MoSe2 nanomaterial with the specific morphology and the hierarchical porous structure, which is obtained by the invention, has the nano flower with the hierarchical porous structure, and the unique two-dimensional plane structure and three-dimensional porous structure of the nano flower greatly enhance chemical adsorption between the material and a target molecule and accelerate electron exchange between asubstrate and a gas molecule to be detected. The molybdenum diselenide nano material has high selectivity and stability for gas-sensitive detection of the gas to be detected; even if foreign gases such as formaldehyde, chlorobenzene, ethanol, acetone and toluene coexist in the gas to be detected, high-selectivity and high-sensitivity detection can still be performed on the gas to be detected, andthe result repeatability is high during continuous cyclic detection. The preparation method is simple, mild in condition and controllable in process, is beneficial to industrial implementation, and has a wide practical prospect.
Owner:UNIV OF SCI & TECH OF CHINA

A continuous automatic cutting machine for carrier tape connector

The invention relates to a continuous automatic slitting machine for a carrier tape connector, which includes a frame and a power distribution control box. A feeding slideway and a conveying trough are arranged in parallel on the frame. The wheel and the other end are equipped with a slitting mechanism. The slitting mechanism includes a slitting device and a sheet feeding device that cooperates with the conveying trough. The material feeding and feeding cylinder is arranged on the frame, the feeding and feeding cylinder is connected with the feeding and feeding seat, the supporting and pressing cylinder is arranged on the feeding and feeding seat, and the feeding sliding cylinder is connected with the feeding and feeding slide under the supporting and pressing cylinder. The supporting and pressing blocks matched with the products in the channel; the invention realizes the automatic and continuous slitting of the carrier tape connector, and at the same time can ensure the accuracy of each slitting, making the incision neat, avoiding the damage caused by slitting, and improving Cutting efficiency.
Owner:大千纺织(安徽)有限公司

Fluorescent probe for identifying mercaptoamino-acid and preparation method of fluorescent probe

The invention discloses a fluorescent probe for detecting mercaptoamino-acid based on naphthalimide indole and a preparation method of the fluorescent probe. The structure of the fluorescent probe isshown as follows (please see the specifications for the structure). The fluorescent probe is used for detecting cysteine, homocysteine and glutathione, and is good in selectivity, high in anti-interference capability and high in response speed; and meanwhile, the fluorescent probe has long-wavelength transmission and large stroke shift in the detecting process, detecting sensitivity can be improved, and small background interference can be achieved. The fluorescent probe can be used for detecting the mercaptoamino-acid in biological samples and cells.
Owner:ZHENGZHOU UNIV

Copper ion detecting reagent and preparation method thereof, test paper and preparation method thereof, and application in copper ion detection

The invention discloses a copper ion detecting reagent and a preparation method thereof, a piece of test paper and a preparation method thereof, and application in copper ion detection. The copper iondetecting reagent is 1-(2-pyridylazo)-2-naphthol-6-sulfonic acid soluble salt aqueous solution. The test paper comprises a base material and a functional layer deposited on the outer surface of the base material; the functional layer is formed by alternately deposition of a positively charged organic compound layer and 1-(2-pyridylazo)-2-naphthol-6-sulfonic acid soluble salt layer. The structuralformula of the 1-(2-pyridylazo)-2-naphthol-6-sulfonic acid soluble salt is shown as a formula (I); and in the formula, M(xor) is selected from alkali metal ion or ammonium ion and the positively charged organic compound is selected from a positively charged organic small molecule or cationic polyelectrolyte. With the copper ion detecting reagent and the copper ion detecting test paper, the copperions in the water body can be detected conveniently and flexibly by naked eyes; the detection sensitivity and the selectivity are high; and no instrument equipment is needed. The formula (I) is shownin the specification.
Owner:上海历思实业有限公司 +1

Pedestrian positioning and track obtaining method based on camera video stream

A pedestrian positioning and track acquisition method based on a camera video stream is characterized by sequentially comprising two steps: 1, a feature extraction and detection algorithm of an indoortarget person; wherein the pedestrian detection module is used for performing pedestrian detection on each frame of image of a camera video stream; 2, a pedestrian position information and a moving track acquisition algorithm thereof; wherein the algorithm is used for acquiring position information and moving tracks of pedestrians detected in each frame of image of a camera video stream. According to the method, the space models of the indoor camera and the pedestrian are established, the related models are established from the vertical section and the horizontal section of the pedestrian respectively, the established models are simple and efficient, the required calculation amount is small, the accuracy of the acquired position information is high, the calculation force can be saved, thetime consumption is reduced, and the real-time performance is ensured.
Owner:TONGJI UNIV

Gas detection device for underground detection

The invention discloses a gas detection device for underground detection, and relates to the technical field of gas detection. The device comprises a mounting plate, wherein the surface of the mounting plate is connected with a telescopic rod, and the upper surface of the mounting plate is connected with a gas detector; the bottom of an L-shaped plate is connected with a first pulley, a traction rope is wound on the first pulley, one end of the traction rope is fixedly connected with a second pulley, and the other end of the traction rope is fixedly connected with a third pulley; a sliding rope is wound around the third pulley, one end of the sliding rope is fixed to the bottom of the L-shaped plate, and the other end of the sliding rope is slidably connected with the second pulley; the lower end of the third pulley is connected with a floating plate floating on the water surface, and the surface of the floating plate is connected with sliding rods; the two ends of the two sliding rods are in sliding connection with probe mounting plates; and a gas detection probe is mounted on the upper surface of the probe mounting plate. Through cooperation of the first pulley, the second pulley, the third pulley, the traction rope and the sliding rope, the detection efficiency is improved, and the service life is prolonged.
Owner:ANHUI SAIAN ANQUAN EQUIP

Universal elisa plate detergent for increasing signal-to-noise ratio of ELISA (Enzyme Linked Immunosorbent Assay) kit and use method of universal elisa plate detergent

InactiveCN108037279AIncrease ionic strengthAchieve low background and high signal-to-noise ratioMaterial analysisSignal-to-noise ratio (imaging)Non specific
The invention discloses a universal elisa plate detergent for increasing the signal-to-noise ratio of an ELISA (Enzyme Linked Immunosorbent Assay) kit and a use method of the universal elisa plate detergent and belongs to the technical field of biologics. The universal elisa plate detergent for increasing the signal-to-noise ratio of the ELISA kit comprises 0.1-0.35M NaCl, 0.05-0.1%vol triton X-100, 3-6g / L N-lauroyl sarcosine sodium and the balance of a 0.01M phosphate buffer solution, wherein the pH value of the phosphate buffer solution is 7.2-7.4. Due to addition of SDS (Sodium Dodecyl Sulfonate) and Triton-X100 with relatively good cleaning properties into the detergent, the ionic strength of the detergent is improved, the nonspecific mutual action of molecules is effectively controlled, furthermore a low background and a high signal-to-noise ratio of ELISA experiment results are achieved, the detection sensitivity and accuracy are improved, and the universal elisa plate detergentis relatively good in universality and very good in popularization application potential.
Owner:ACADEMY OF MILITARY MEDICAL SCI

Anti-human AQPs autoantibody detection kit and preparation method thereof

The invention discloses preparation of an AQPs high-expression brain region slice detection assembly with abundant capillaries and vascular endothelium required by a human AQPs autoantibody detectionkit, an indirect immunofluorescence kit and application thereof. The preparation method of the microvascular and vascular endothelium-rich AQPs high-expression brain region slice detection assembly comprises the following steps: obtaining rat brain tissues; preparing a specific brain area tissue slice; and detection assembly preparation. The kit comprises the microvascular and vascular endothelium-rich AQPs high-expression brain region slice detection assembly, a confining liquid, PBST, a mounting medium and a fluorescent secondary antibody. The kit can be used for detecting anti-AQP4, AQP1 and other AQPs autoantibodies in clinical serum and cerebrospinal fluid samples. The kit is easy to operate, high in sensitivity, strong in staining form specificity, simple in result interpretation, accurate and reliable, and capable of supplementing the detection capability on AQP1 and other AQPs antibodies on the basis of ensuring that the detection on the AQP4 spatial conformational antibody isnot lower than the specificity and sensitivity of other means and meeting the requirements of auxiliary clinical diagnosis.
Owner:BEIJING TIANTAN HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV

Safety explosion-proof apparatus for continuously monitoring material fermentation and operating method thereof

A safety explosion-proof apparatus for continuously monitoring material fermentation and an operating method thereof are provided. In large-scale biogas fermentation process, a fermentation tank is made from an opaque material, such as concrete, and is completely sealed and dark, and providing a probe or a viewer to monitor materials in real time is required; a mark may be left on the surface of a monitoring device by scum floating up during stirring, and observation is blocked; fermentation produced gas contains flammable combustible gas and little device-corrosive gas, resulting in influences on monitoring stability. The safety explosion-proof apparatus comprises a fermentation tank, a seal cover and a heating tape; a pressure valve is mounted at the left top of the fermentation tank and is connected with a water incoming pipe, the water incoming pipe is connected with a nozzle, a glass seal hood is mounted at the upper left of the fermentation tank, a heating fan and a lighting probe are fixed in the glass seal hood, the lighting probe is connected with an external conductor, the external conductor is connected with a display, and an alarm is mounted on the seal cover and is connected with a pressure sensor. The safety explosion-proof apparatus is simple in structure, safe and handy.
Owner:ENERGY & ENVIRONMENT RES INST OF HEILONGJIANG PROVINCE

Kit for detecting rhinoviruses, respiratory syncytial viruses and parainfluenza viruses by micro-fluidic chip and application method of kit

The invention discloses a kit for detecting rhinoviruses, respiratory syncytial viruses and parainfluenza viruses by a micro-fluidic chip and an application method of the kit. The kit comprises the multi-flux microfluidic nucleic acid detection chip, a preloaded dry powder testing agent and a positive quality control. The multi-flux microfluidic nucleic acid detection chip is used for controllingflow passages actively. The preloaded dry powder testing agent comprises a primer for specific conserved sequences of the rhinoviruses, the respiratory syncytial viruses and the parainfluenza virusesand a TagMan fluorescence probe. The kit has the advantages that the micro-fluidic chip technology is applied, all operations are completed by instruments after sample loading, convenience and simplicity in operation and high speed are realized, detection can be completed within 30-60 minutes, and pollution is avoided; the TagMan fluorescence probe PCR technology is applied to detect the rhinoviruses, the respiratory syncytial viruses and the parainfluenza viruses; designed primer and probe sequences are quite conservative in genes of the rhinoviruses, the respiratory syncytial viruses and theparainfluenza viruses, high specificity is achieved, detection results can be acquired within two hours, and sensitivity can reach 10copies / microliter.
Owner:NANJING LANSION BIOTECH CO LTD

Detection two-wheel robot utilizing two-wheel differential chassis to steer

The invention discloses a detection two-wheel robot utilizing a two-wheel differential chassis to steer and belongs to the technical field of robots. The detection two-wheel robot comprises the chassis, a moving component is arranged at the lower end of the chassis, the upper part of the moving component is mounted with the chassis through a mounting plate, the upper part of the chassis is connected with a movable shaft disc, and a positioning device is arranged between the chassis and the movable shaft disc. According to the detection two-wheeled robot utilizing the two-wheeled differential chassis to steer, the stability is improved, meanwhile, the energy loss is reduced, the steering speed is increased, the use convenience is met, the adaptability of the whole robot is improved, the adjustability of the robot is improved, the use requirement is met, multi-angle adjustment is facilitated, the stability is high, the sensitivity is greatly improved, the working efficiency is greatly improved, the detection efficiency is improved, detection can be carried out for various environments, danger caused by manual detection is avoided, the use safety is improved, and the personal safety is guaranteed while the detection effect is not affected.
Owner:HENAN UNIVERSITY

Gas leakage alarm system of LNG heavy truck

The invention provides a gas leakage alarm system of an LNG heavy truck. The gas leakage alarm system comprises a frame assembly, a gas leakage sensor, an alarm, a fixing shield and a guide shield, wherein a gas bottle, a valve and a pipeline are arranged inside the fame assembly, and the valve and the pipeline are connected to the gas bottle in an attached mode; one end of the guide shield is a large opening, and the other end of the guide shield is a small opening; the gas leakage sensor is arranged inside the fixing shield and is electrically connected with the alarm, the small opening of the guide shield is communicated with the fixing shield, the upper side of part of the joint of the valve and the pipeline is covered with the large opening of the guide shield, and the frame assembly is not sealed through the guide shield. According to the gas leakage alarm system, gas leakage detecting accuracy and safety of the LNG heavy truck are taken into consideration.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD

Safety explosion-proof device and working method for continuous monitoring of material fermentation

A safety explosion-proof apparatus for continuously monitoring material fermentation and an operating method thereof are provided. In large-scale biogas fermentation process, a fermentation tank is made from an opaque material, such as concrete, and is completely sealed and dark, and providing a probe or a viewer to monitor materials in real time is required; a mark may be left on the surface of a monitoring device by scum floating up during stirring, and observation is blocked; fermentation produced gas contains flammable combustible gas and little device-corrosive gas, resulting in influences on monitoring stability. The safety explosion-proof apparatus comprises a fermentation tank, a seal cover and a heating tape; a pressure valve is mounted at the left top of the fermentation tank and is connected with a water incoming pipe, the water incoming pipe is connected with a nozzle, a glass seal hood is mounted at the upper left of the fermentation tank, a heating fan and a lighting probe are fixed in the glass seal hood, the lighting probe is connected with an external conductor, the external conductor is connected with a display, and an alarm is mounted on the seal cover and is connected with a pressure sensor. The safety explosion-proof apparatus is simple in structure, safe and handy.
Owner:ENERGY & ENVIRONMENT RES INST OF HEILONGJIANG PROVINCE
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