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374results about "Weighing by absorbing component" patented technology

Paddy rice drought resistance phenotype detection and genetic analysis method based on phenotype robot

The invention discloses a rice drought resistance phenotype detection and genetic analysis method based on a phenotypic robot, which is characterized in that rice hyperspectral phenotypic character data is acquired based on the phenotypic robot, and the relative water content RWC of rice is predicted. Through high-frequency data acquisition, RWC (t) based on a time sequence is obtained, RWC (t) curve change characteristic indexes are calculated, the dynamic change process of a rice experiment material in the whole drought experiment period is quantified, the drought resistance index DTI of the rice experiment material is obtained, and the drought resistance of the rice variety is comprehensively evaluated. DTI as a user-defined phenotypic character can be used for whole genome association analysis (GWAS), and a key gene for controlling the drought resistance of rice is excavated. According to the invention, the problems of low efficiency and low flux of traditional rice phenotype detection are solved, phenotype-gene mining based on the mobile robot is realized, and a new way is expanded for improvement of rice genetic breeding.
Owner:HUAZHONG AGRI UNIV

Method and device for measuring solid-phase deposition amount of crude oil under high-temperature and high-pressure conditions

The invention provides a method and a device for measuring the solid-phase deposition amount of crude oil under high-temperature and high-pressure conditions, and relates to the technical field of oil-gas field development. Under the reservoir temperature and pressure of a target oil reservoir, ground degassed crude oil, associated gas and an on-site solid-phase sediment sample are mixed and dissolved; an in-situ crude oil sample capable of truly reflecting in-situ crude oil components is prepared; then, reducing the pressure to a target pressure point in a stepped manner at a constant temperature, and delimiting a deposition monitoring area; spectral image data of the area is obtained, spectral reflection reference rate is analyzed and calculated pixel by pixel, and a spectral distribution matrix is constructed; judging whether the solid-phase deposition reaches balance or not by calculating a space consistency index and a time convergence index of the matrix; finally, the solid-phase deposition amount is calculated after deposition equilibrium; according to the method, the problem of solid-phase deposition measurement distortion under the ultrahigh-pressure oil reservoir condition is solved, and interference-free, real-time monitoring and quantitative analysis in the deposition process are achieved.
Owner:SOUTHWEST PETROLEUM UNIV

Method and system for testing heat and humidity performance of material

PendingCN121656055AMaterial heat developmentComputational materials scienceCapillary water absorptionTest sample
The invention relates to the technical field of material performance testing, solves the technical problem that in the prior art, it is difficult to conduct multi-parameter heat and humidity performance testing on the same to-be-tested sample in a controllable testing environment, and provides a material heat and humidity performance testing method and system.The method comprises the steps that the to-be-tested sample is pretreated, and a first sample is obtained; placing the first sample in a first test environment, and supplying water to the first sample to obtain a first mass change curve; according to the first mass change curve, the capillary water absorption coefficient and the saturated water content are obtained through calculation; obtaining a second test environment according to the target climate parameters; and taking the first sample saturated by water absorption as a second sample, placing the second sample in a second test environment, and calculating to obtain an average evaporation rate and a cooling contribution value according to a second mass change curve and sample surface temperature data in the test process of the second sample. According to the invention, multi-parameter heat and humidity performance testing of the to-be-tested sample can be realized.
Owner:SOUTH CHINA UNIV OF TECH

Particulate matter concentration real-time monitoring system in dust removal process

The invention relates to the technical field of particulate matter concentration monitoring, in particular to a particulate matter concentration real-time monitoring system in the dust removal process, and solves the technical problem of poor measurement stability in the prior art. The system comprises a data acquisition unit used for acquiring a particulate matter concentration monitoring value and an environment temperature value, and the particulate matter concentration monitoring value represents the particulate matter concentration measured in real time through a microscale oscillation balance method; the correction factor determination unit is used for respectively determining a temperature deviation reference value and a sequence stability index according to the environment temperature value and the historical particulate matter concentration monitoring value sequence; the temperature deviation reference value is used for representing the measurement deviation caused by the temperature change, and the sequence stability index is used for representing the change condition of the particulate matter concentration monitoring value in the particulate matter concentration real-time monitoring process; and the concentration correction unit is used for obtaining the corrected particulate matter concentration through weighted calculation according to the temperature deviation reference value, the sequence stability index and the current particulate matter concentration monitoring value.
Owner:YI TRADING (NANJING) INFORMATION TECHNOLOGY CO LTD

Device and method for accurately measuring suspended matters in water

The invention provides a device and a method for accurately determining suspended matters in water, and relates to the technical field of water quality detection. The device for accurately measuring the suspended matters in the water comprises a bracket, a container, a glass funnel, a pear-shaped separating funnel and filter paper, the pear-shaped separating funnel is fixed on the bracket, is arranged above the glass funnel and is used for conveying liquid into the glass funnel; the glass funnel is arranged at a bottle opening of the container; the filter paper is arranged in the glass funnel; and a liquid outlet pipe orifice of the pear-shaped separating funnel extends into a position which is 1 / 2-2 / 3 of the height of the horn part of the glass funnel. The method for measuring the suspended matters in the water by adopting the device has the advantages that the filtering efficiency is improved, the measurement error is reduced, and the manpower and time are saved.
Owner:INNER MONGOLIA BAOGANGXIN ENERGY CO LTD

Evaluation method for storage stability of high-content rubber powder modified asphalt and application of high-content rubber powder modified asphalt

The invention discloses a storage stability evaluation method and application of high-content rubber powder modified asphalt, and belongs to the field of road asphalt. The problem that an existing rubber powder modified asphalt storage stability evaluation method is difficult to adapt to the characteristics of high-mixing-amount rubber powder modified asphalt is solved. According to the technical scheme, the method comprises the following steps: carrying out a storage stability test on the high-content rubber powder modified asphalt, obtaining upper and lower rubber powder modified asphalt after the test, and carrying out a rubber powder solubility test on the upper and lower rubber powder modified asphalt after the storage stability test and the rubber powder modified asphalt before the storage stability test, so as to obtain the high-content rubber powder modified asphalt. And obtaining the rubber powder content in the upper rubber powder modified asphalt after the storage stability test, the rubber powder content in the lower rubber powder modified asphalt after the storage stability test and the rubber powder content in the rubber powder modified asphalt before the storage stability test, and comprehensively evaluating the storage stability of the rubber powder modified asphalt based on all the rubber powder contents. The invention is applied to road asphalt.
Owner:SHANXI JIAOKE NEW MATERIALS TECHNOLOGY CO LTD

Method for measuring liquid absorption amount of conductive carbon black

The invention belongs to the technical field of measurement of liquid absorption amount of conductive carbon black, and relates to a method for measuring liquid absorption amount of conductive carbon black, which comprises the following steps: (1) drying and cooling a carbon black powder sample; (2) soaking a cloth bag with hydrochloric acid, centrifuging and weighing; (3) weighing a dry sample, bagging and tying; (4) soaking the cloth bag in hydrochloric acid, centrifuging and weighing; and (5) re-centrifuging the cloth bag, then weighing until the mass difference between the two times is less than 0.01 g, and calculating the liquid absorption amount of the carbon black. According to the test method, the precision and the accuracy of the hydrochloric acid liquid absorption amount measurement result can be improved, the volume reading error can be avoided, the liquid loss in the use of the injector is reduced, and the result deviation is reduced; personal injury caused by damage of the glass injector can be reduced; instrument damage or operator injury possibly caused by using the weight can be avoided. A plurality of samples can be measured at the same time, and the next sample can be measured after one sample is completed according to an injector extrusion method, so that the test efficiency is improved.
Owner:CHINA RUBBER GRP CARBON BLACK RES & DESIGN INST

Method for determining particle strength distribution in rockfill material humidifying process

The invention belongs to the field of geotechnical engineering, and relates to a method for determining particle strength distribution in a rockfill material humidifying process. According to the method, the change relation of the moisture content of the particles along with the humidifying time is tested in a particle soaking humidifying test, the probability distribution of the particle strength under different humidifying durations is given, and a probability distribution function of the particle strength under different moisture content conditions and a parameter determination method thereof are provided. The method lays a foundation for simulating the rockfill material humidifying process through a discrete element method, tracking particle structure evolution in the humidifying process, exploring the rockfill material humidifying deformation mechanism and finely analyzing the stress deformation state in the rockfill dam humidifying process. The method can be further applied to hydroelectric and wind-solar complementary power stations to determine reservoir water level operation schemes and provide technical support for increasing benefits of the complementary power stations.
Owner:DALIAN UNIV OF TECH +1

Thermogravimetric adsorption characterization method and system combining dynamic working condition simulation and accelerated aging test

The invention provides a thermogravimetric adsorption characterization method and system combining dynamic working condition simulation and an accelerated aging test, and belongs to the technical field of adsorbents. According to the method, the temperature and atmosphere time sequence of a thermogravimetric analyzer is controlled through programming, and initial performance evaluation and long-term service life prediction of the adsorbent are completed in a continuous experiment. The core innovation of the method is that on the basis of simulating the real industrial adsorption-desorption cycle, thermal stress and chemical stress are intelligently applied in the desorption stage, material aging is accelerated, attenuation data are fitted by using an index model, and the service life is scientifically predicted. The technical problems that a traditional method is single in characterization dimension, long in period and disjointed with actual working conditions are solved, and an efficient and reliable platform is provided for rapid and accurate evaluation of the adsorbent.
Owner:HUANENG CLEAN ENERGY RES INST +1

Cosmetic oil control efficacy determination method based on oil adsorption and decomposition detection

The invention relates to the technical field of cosmetic efficacy in-vitro evaluation, and discloses a cosmetic oil control efficacy determination method based on grease adsorption and decomposition detection, and the method comprises the following steps: providing a biomimetic membrane coated on a substrate, the biomimetic membrane comprises biomimetic sebum, lipase, a pH indicator used for representing the generation amount of sebum decomposition products, and an enzyme activity probe used for representing lipase activity. After a to-be-detected sample is applied and incubated, three-mode detection is executed according to a specific sequence; a physical adsorption index is determined through physical transfer and a weighing method; measuring the biomimetic membrane subjected to physical transfer to obtain a biochemical regulation index reflected by the pH indicator; and adding a non-aqueous activator to activate the enzyme activity probe, and measuring to obtain an enzyme activity influence index. According to the method, three mutually independent quantitative indexes are generated for the same sample through a single continuous detection process, the oil control effect of the sample can be comprehensively and rapidly represented, and multiple action mechanisms such as physical adsorption and biochemical adjustment can be accurately distinguished.
Owner:GUANGZHOU FUAN TESTING TECHNOLOGY CO LTD

Device and method for testing swelling ratio of binder

The invention belongs to the technical field of lithium ion battery testing, and particularly relates to a binder swelling rate testing device and method. Comprising a glass cover (1), a filter bag (2), a lifting frame rod (3), a hook (6), a tension sensor (7), a swelling chamber (8) and a weighing table (9), the swelling chamber is arranged on the weighing table and used for containing electrolyte, the hook is arranged on the lifting frame, the lifting frame is lifted through an internal connecting frame rod structure, and the tension sensor (7) is arranged on the lifting frame. The lower part of the hook is sequentially connected with a tension sensor (7) and a filter bag (2) through a rope, the filter bag (2) can be used for accommodating an object and enabling electrolyte to pass through, and the glass cover (1) is made of a glass material and is used for covering the outside of the whole testing device. When the device is used for testing the swelling rate of the binder, the swelling saturation state of the binder sample can be determined in real time, the electrolyte in the swelling chamber can be replaced, the swelling rates of the binder in different electrolytes can be tested, and the principle and equipment are simple and convenient.
Owner:LISHEN (QINGDAO) NEW ENERGY CO LTD

Propellant fuel gas sampling system and fuel gas composition sampling test method

The invention discloses a propellant fuel gas sampling system and a fuel gas composition sampling test method, and the propellant fuel gas sampling system comprises a drainage device, an absorption device and a gas collection device which are connected in sequence, or comprises a drainage device, an absorption device, a drying device and a gas collection device which are connected in sequence. The fuel gas composition sampling test method performs sampling by means of the sampling system, and comprises the following steps: S1, performing gas replacement or emptying treatment on part or all devices of the sampling system by using replacement gas before sampling; s2, fuel gas generated in the working process of the engine or in the target collection interval in the working process is collected; s3, after sampling, purging the sampling system by using replacement gas, so that all fuel gas components are sequentially absorbed, dried (if the sampling system comprises a drying device) and collected; and S4, measuring the components of the fuel gas. The device can adapt to engines with different flows to realize gas collection and component testing and improve the accuracy of test results.
Owner:BEIJING INST OF AEROSPACE TESTING TECH

A device and method for detecting wet-out for glass fiber fabric production

The present application relates to a kind of infiltration detection devices for glass fiber cloth production, including rack, transmission belt is equipped on the rack, along the direction of conveyance, cutting assembly is sequentially equipped on the rack, weighing assembly, infiltration treatment component, acquisition component and data processing component, infiltration treatment component includes first infiltration tank and second infiltration tank, first infiltration tank and second infiltration tank all include tank body and monitoring structure, weighing assembly, acquisition component and monitoring structure are connected with data processing component;The advantages of the present application are: the structure that infiltration treatment component is set into first infiltration tank and second infiltration tank, can realize the gradient infiltration of sample from surface to inside, effectively avoid the problem of local insufficient infiltration, uneven infiltration, ensure that sample reaches completely infiltrated state, provide accurate basis for subsequent weight acquisition and data calculation, in addition, the present application also provides a kind of infiltration detection devices for glass fiber cloth production, using the infiltration detection device described above.
Owner:JIANGXI ZHENBANG NEW MATERIALS CO LTD

Information processing device, program, and detection device

To provide an information processing device, a program and a detection device which can easily perform determination of an odor.SOLUTION: There is provided an information processing device according to one embodiment of the present invention. An information processing device comprises: a presentation unit; and a provision unit. The presentation unit presents a template to an information processing terminal in a selectable manner. The template includes a parameter of instructing the operation of a sensor in the time of odor detection. The provision unit provides the template selected from the information processing terminal in the templates to the information processing terminal.SELECTED DRAWING: Figure 1
Owner:REVORN CO LTD

Measurement device and test method for hygrothermal expansion coefficient of composite material

PendingCN121856315Aimplement testAccurately simulate the real expansion stateMaterial thermal coefficient of expansionUsing optical meansMeasurement deviceAnalytical balance
The invention relates to a measuring device and a testing method for the hygrothermal expansion coefficient of a composite material, and the measuring device comprises a middle experiment module for arranging a sample to be tested, a heating device arranged in the middle experiment module, and an analytical balance for measuring the mass of the sample to be tested, a displacement measurement sensor for measuring the vertical displacement of a sample to be measured is arranged below the middle experiment module, the humidity generator is communicated with an inner cavity of the middle experiment module, the humidity sensor is mounted on the middle experiment module, and the detection end of the humidity sensor is positioned in the inner cavity of the middle experiment module. Environmental interference is blocked through physical separation, synchronous and accurate measurement of the swelling amount and mass of the composite material in the target temperature and humidity environment is achieved, the accuracy and reliability of calculation of the hygrothermal expansion coefficient are improved, and the device is convenient to maintain and long in service life.
Owner:SHANDONG NON METALLIC MATERIAL RESEARCH INSTITUTE

Multifunctional vacuum box testing device

The utility model discloses a multifunctional vacuum box testing device, which belongs to the technical field of vacuum box testing and comprises a box body, a vacuum cabin is arranged at the top of the box body, a cabin cover is fixedly connected to the top of the vacuum cabin, and a vacuum pump is fixedly assembled on the back of the box body. The front face of the vacuum pump communicates with a vacuum pipe, the vacuum pipe penetrates through the box body and communicates with the vacuum cabin, one side of the top of the box body is fixedly connected with a weighing device, the other side of the top of the box body is fixedly connected with a heating box, and an air pump is fixedly assembled at the top of the heating box; the air outlet end of the air pump is communicated with an air outlet pipe, the air outlet pipe penetrates through the heating box and extends inwards, through the structural design of the vacuum pump, the weighing device, the heating box, the water pump and the air pump, the multifunctional device with the drying, water soaking, vacuumizing and weighing functions is integrated, the testing efficiency and precision are improved, and time and manpower are saved.
Owner:XIAMEN TONGCE ELECTRONICS CO LTD

Method and device for measuring hydraulic conductivity and biomechanical parameters of fruits

The application discloses a kind of fruit hydraulic conductivity and biomechanical parameter measurement method and device;The measurement method includes the following steps: step 1: sampling;Step 2: measure initial fruit water potential Ψ f0 With pressure chamber;Step 3: do fruit water absorption experiment;Step 4: measure fruit pressure-volume curve (P-V curve);Step 5: measure fruit stalk + calyx hydraulic resistance and fruit stalk hydraulic resistance, respectively Rc And Rs;Step 6: data processing.The fruit hydraulic conductivity and biomechanical parameter measurement method and device, the hydraulic conductivity affecting fruit water transport and the biomechanical parameters such as volume elastic modulus, cell wall coefficient of extension, critical point swelling pressure and other influencing factors affecting cell elastoplastic deformation are conveniently obtained, which is convenient for studying fruit swelling growth, and helps to deeply understand the physiological mechanism of fruit cell swelling and its response law to changes in different habitat elements.
Owner:CHINA AGRI UNIV

Two-component gas competitive adsorption isotherm splitting method

The present application relates to the technical field of gas adsorption, and particularly provides a two-component gas competitive adsorption isotherm splitting method, aiming to solve the problem of high cost caused by mass flow meter + mass spectrometer or chromatography in the existing two-component gas competitive adsorption isotherm splitting. To this end, the two-component gas competitive adsorption isotherm splitting method comprises: controlling a weighing device to obtain the weight change of a sample after adsorption and the weight change of a sinker; obtaining the mass density of the mixed gas after adsorption based on the weight change; then obtaining the amount of substance of each of the mixed gas after adsorption; obtaining the residual amount of substance of each of the mixed gas after adsorption based on the amount of substance of the mixed gas after adsorption and the proportion of the amount of substance of each of the two-component gas after adsorption; further obtaining the proportion of the amount of adsorbed substance of each; and finally obtaining the adsorption mass of each based on the proportion of the amount of adsorbed substance of each of the two-component gas and the weight change Δm0 of the sample before and after adsorption.
Owner:BEIJING ADVANCED MEASUREMENT INSTRUMENTS CO LTD

Apparatus and methods for sensing mass accumulation degradation

ActiveUS12644809B2Weighing by removing componentWeighing apparatusMaterial under testEngineering
Provided are apparatus and methods for sensing material degradation through sensing of mass accumulation. In some aspects, the apparatus and methods employ a material such as aerogel in conjunction with a force-sensing device such as a piezoelectric sensor placed in contact with or in proximity to a material under test. Degradation of the material under test is sensed by sensing a change in mass of the aerogel absorbing parts or particles of material lost by the unit under test that, in turn, acts to further place force on or deform the piezoelectric sensor enabling real time measurement of degradation by sensing changes in the output voltage of the piezoelectric sensor. These changes in output voltage may then be correlated to the mass degradation of the unit under test.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY

Blood volume measuring system based on gauze in operating room

The invention discloses a blood volume measuring system based on gauze in an operating room, which relates to the technical field of medical instruments and comprises a high-precision weighing module, an intelligent counting and image recognition module, a centrifugal separation module, a sterile processing module and a man-machine interaction module, according to the blood volume measurement system based on the gauze in the operating room, through secondary weighing, a compensation algorithm and image recognition, the blood volume measurement precision is improved, and reliable data is provided for clinical decision making; manual intervention is reduced through full-process automatic operation, and the operation efficiency is improved; multiple disinfection devices and a self-cleaning process guarantee medical safety and reduce infection risks; the operation convenience is improved through the friendly man-machine interaction design; and the blood volume measuring device can adapt to different operation scenes, can meet the requirements of common and emergency operations, and improves the high efficiency, accuracy and safety of blood volume measurement in an operating room.
Owner:FUXING HOSPITAL OF CAPITAL MEDICAL UNIV

A PCB circuit board defect detection system

The application relates to the technical field of material physical property detection, and discloses a PCB (Printed Circuit Board) defect detection system, which comprises a quality analysis unit, an atmosphere control unit and a data processing unit. The data processing unit is used for acquiring a first measurement signal of the quality analysis unit, acquiring a process control signal of the atmosphere control unit and integrating the process control signal to obtain a second measurement signal. The data processing unit monitors the noise of the first measurement signal, and when it is determined that the first measurement signal is interfered, the second measurement signal is used for judgment. The second measurement signal based on flow is introduced, and the first measurement signal based on quality is used for orthogonal verification. When the first measurement signal is interfered by mechanical vibration, the second measurement signal is used for judgment, so that the detection reliability of the system in an industrial environment is ensured.
Owner:XIAN YUCHENLE EDUCATION TECH CO LTD

A precise water adding method for traditional Chinese medicine decoction preparation

The present application relates to a precise water adding method for traditional Chinese medicine decoction preparation, which can effectively solve the problem that the water adding amount of traditional Chinese medicine decoction is not accurate and objective, and the quality of the decoction cannot be guaranteed. The method is as follows: measuring the evaporation rate of the decoction utensil, measuring the water absorption rate of the decoction piece, weighing the decoction piece and placing it in a beaker, gently shaking to make the decoction piece evenly distributed at the bottom of the beaker, adding water to the level of the medicine surface, recording the water adding amount, taking the average value by parallel determination for three times, calculating the liquid-solid ratio of the decoction piece according to the ratio of the water adding amount to the weight of the decoction piece when the water is added to the level of the medicine surface, and establishing the precise water adding amount according to the three factors of the liquid-solid ratio water adding amount of the decoction piece, the water absorption amount of the decoction piece and the evaporation amount of the decoction utensil. The method is scientific and reasonable, easy to operate, and the water adding amount calculation is accurate, and has wide application range, which can be applied to different decoction utensils and different decoction methods. It is a great innovation in the water adding amount calculation method of traditional Chinese medicine decoction, which can effectively guarantee the quality and curative effect of traditional Chinese medicine decoction, and has significant economic and social benefits.
Owner:THE FIRST AFFILIATED HOSPITAL OF HENAN UNIV OF TCM

A multi-dimensional method for evaluating adsorbent performance

This invention provides a multi-dimensional adsorbent performance evaluation method, belonging to the field of performance evaluation technology. The method includes: conducting a first experiment on the adsorbent, recording the mass change of the adsorbent after each cycle, evaluating the adsorption performance of the adsorbent, and obtaining the first experimental results; conducting a second experiment on the adsorbent to determine the adsorbent's anti-sintering ability and cycle stability, and obtaining the second experimental results. The microscopic morphological changes, influences, and crystal structure of the adsorbent before and after the experiment are observed to obtain the microscopic characterization of the adsorbent. Based on the microscopic characterization, multi-scale simulation of the adsorbent is performed, and the simulation results are used to conduct a life cycle assessment of the adsorbent, obtaining the life cycle assessment results. A comprehensive performance evaluation of the adsorbent is conducted to propose optimization directions. The aim is to achieve efficient and low-cost carbon capture technology, promote the effective utilization of solid waste resources, and provide a systematic evaluation method to promote the development of carbon capture technology.
Owner:이너 몽골리아 일렉트릭 파워 그룹 컴퍼니 리미티드 이너 몽골리아 일렉트릭 파워 리서치 인스티튜트 브랜치

Semiconductor device solderability test apparatus and test method

The application discloses a semiconductor device solderability test device and a test method, which comprises an experimental box body, an experimental table is arranged in the experimental box body, a solder furnace and a flux furnace are arranged at the top end of the experimental table, and a lifting and rotating mechanism is arranged at the bottom end of the experimental table; an experimental clamp is arranged, a scale column is arranged at the top end of the experimental clamp, the scale column is attracted to the top end of the experimental clamp through an electromagnet, a weighing mechanism is connected to the top end of the scale column, and proximity switches corresponding to the solder furnace are arranged on the two sides of the experimental clamp; wherein a cleaning mechanism is arranged at the top end in the experimental box body. The weighing reading of the weighing mechanism is prevented from changing due to collision, and the accuracy of experimental results is affected; meanwhile, the depth of the semiconductor device immersed in the solder can be observed through the scale column, the lifting height of the solder furnace is adjusted, and the depth of the semiconductor device immersed in the solder is facilitated to be controlled in the experiment.
Owner:安徽积芯微电子科技有限公司

Gold electrode piezoelectric quartz crystal humidity sensor

ActiveCN223664458UWeighing by absorbing componentThermodynamicsPiezoelectric quartz
The utility model provides a gold electrode piezoelectric quartz crystal humidity sensor, which relates to the technical field of humidity sensors and comprises a heat insulation shell, a humidity sensor body is fixedly mounted in the heat insulation shell, an air cavity is arranged in the heat insulation shell, and a connecting wire is fixed at the tail end of the heat insulation shell. A protection assembly is installed on the surface of the connecting wire and comprises an installation box, the installation box is fixed to the surface of the connecting wire, eight sets of drying cylinders are installed in one end of the installation box at equal intervals, the drying cylinders are filled with drying cotton strips, and an air inlet pipe is arranged at the position, corresponding to one set of drying cylinders, of the outer side of the installation box. Compared with the prior art, the humidity sensor has the advantages that the protection assembly is communicated with the heat insulation shell, air flow around the humidity sensor is achieved, the humidity sensor is dry, the temperature is reduced, meanwhile, the gold electrode is prevented from being corroded by wet gas, and the humidity sensor body in the heat insulation shell is well protected.
Owner:SICHUAN MDH TECH CO LTD

Odor detection device, odor detection method, and program

An odor detection device (1) includes an odor sensor (10), an environmental information measuring unit (11, 12), an odor information collecting unit (20), a difference information acquisition unit (21), and a correction unit (22). The odor sensor (10) detects odor information emitted from an odor generating source (2). The environmental information measuring unit (11, 12) measures environmental information related to an amount of water vapor contained in a surrounding gas. The difference information acquisition unit (21) acquires a difference water vapor amount representing a difference between environmental information around the odor sensor (10) and environmental information around the odor generating source (2). The correction unit (22) corrects odor information collected by the odor information collecting unit (20) based on the difference information acquired by the difference information acquisition unit (21).
Owner:爱沛股份有限公司

sensor

To provide a sensor that excels in resistance to humidity effects, is capable of measuring highly hydrophilic gases such as ethanol and aldehyde without significantly attenuating electric signals even under a relatively high humidity condition, and which has a sensitive film whose coating throughput is high.SOLUTION: Provided is a sensor having a sensitive film, wherein the sensitive film has an absorption peak in a 1600-1800 cm-1 region and in a 1350-1450 cm-1 region in an infrared total reflection absorption measurement, and the peak strength ratio (A / B) of an absorption peak maximum (A) in the 1600-1800 cm-1 region to an absorption peak maximum (B) in the 1350-1450 cm-1 region is 0.1 to 4.0.SELECTED DRAWING: None
Owner:ASAHI KASEI KOGYO KABUSHIKI KAISHA

Cable buffer layer damping evaluation method based on gas analysis and volume resistance test

The invention discloses a cable buffer layer damping evaluation method based on gas analysis and volume resistance testing. The method comprises the steps that S1, a relation curve between the water content and the volume resistivity of a cable buffer layer is drawn; s2, comparing the air gap of the buffer layer with the air moisture content, judging whether the cable is affected with damp or not, and judging the damp reason of the cable according to the moisture content change trend; s3, windowing to obtain a damped cable buffer layer sample, and measuring the volume resistance of the sample in an original environment to obtain the volume resistivity; s4, determining the water content of the buffer layer based on the existing relation curve, and evaluating the damping degree of the buffer layer. A relation curve of the volume resistivity and the water content of the cable buffer layer is established, the damping source and the damping degree of the buffer layer are judged by monitoring the change of the air gap gas water content of the buffer layer, and the air gap water content of the high-voltage cable buffer layer and the water content of the strip after moisture absorption are comprehensively evaluated.
Owner:SOUTH CHINA UNIV OF TECH