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207results about How to "Guaranteed comparability" patented technology

Hybrid vehicle powertrain test system capable of simulating working condition and inertia

InactiveCN101738320AReduce R&D testing costsMinus the workloadVehicle testingDynamometerMode control
The invention discloses a hybrid vehicle powertrain test system capable of simulating working condition and inertia, which comprises an operating console, a bench control and measuring centre manger, a test mode controlling system unit, a dynamic simulating system unit, a driving function controller unit, a dynamometer, a dynamometer controller unit, a data acquisition system unit and a test condition controlling system unit. The system can be used in the hybrid vehicle powertrain performance development tests; the bench test can replace most of the road tests and the vehicle rotating hub tests in the process of developing the products; meanwhile, assembly parts of the powertrain can be combined flexibly to form different coupling modes of motors and engines to carry out the development and research in the early stage of the development of the hybrid vehicle powertrain; compared with traditional research and development testing means, the test system can greatly improve the hybrid vehicle powertrain and the research and development test level of the key technologies thereof and greatly shorten the research and development period of the powertrain and the relative parts.
Owner:DONGFENG ELECTRIC VEHICLE

Electric complex-strengthening repairing method and device of heavy metal-organic co-contaminated soil

The invention provides an electric complex-strengthening repairing method and device of heavy metal-organic co-contaminated soil. The method provided by the invention comprises the following steps of: filling contaminated soil into an electric repairing device, and then adding an oxidant into a cathode electrolyte and an anode electrolyte or directly spraying the oxidant on the contaminated soil, wherein the oxidant comprises hydrogen peroxide, pypocholoride and persulfate; applying a direct-current electric field on a cathode and an anode, wherein the strength of the electric field is 0.5-2 V / cm; and controlling the pH values of the cathode electrolyte and the anode electrolyte to be 3-11. By selecting the suitable for oxidant and controlling the pH value of the electrolyte, the migration of the heavy metal can be effectively increased and the removing efficiency is improved; and meanwhile, the oxidant is used for effectively degrading organic pollutants when the pollutants are migrated, thereby relieving the post-treatment and simultaneously removing the heavy metal and the organic pollutants.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

Thermal power unit operation energy consumption actual measurement system

The invention relates to a thermal power train run energy consumption actual measurement system. The invention includes a data terminal, a data calculation server, a data analysis server, an interface device 1 in which the data calculation server reads data from the data terminal, an interface device 2 between the data calculation server and the data analysis server, a customer terminal and interfaces, wherein, the customer terminal can read the data transmitted from the data analysis server. A line measurement unit in the data terminal, executes relatively unified normalizing to points required in the system, which ensure calculative accuracy and comparability of computed result between different factories; the real time monitoring includes an on-line excellent searching unit, which provides effective analysis method for reducing train run coal consumption; the present system divides the server into two layers, a data calculation server and a data analysis server, which avoids the server from load overweight and ensure run stability of the server on one hand, and avoid transmission bit error rate of large data frames.
Owner:南京迪玛斯电气有限公司

Preparation technology for recrystallizing carborundum product

The invention discloses a making technique of recrystallizing carborundum product, which comprises the following steps: blending carborundum powder with certain grain grade with purity over 96% and silicon powder and carbon powder evenly; adding a little of adhesive; moulding according to normal technique; placing green compact in the sintering stove; connecting graphite electrode on two ends; filling the composite powder of carborundum powder and carbon powder around two ends; supplying power for graphite electrode; utilizing the conductivity of mould to realize itself heating sintering; insulating 1-4h after the temperature reaches to 1400-1700 deg. c; heating continuously to 2500 deg. c; insulating 3-10h; cooling the stove to indoor temperature naturally; obtaining the high-purity recrystallizing carborundum product.
Owner:HUNAN UNIV

Rapid screening method for drought-enduring variety of rice at seedling stage

InactiveCN102860199ADrought accurateDrought reliableHorticulture methodsGene mappingScreening method
The invention discloses a rapid screening method for drought-enduring variety of rice at seedling stage, comprising the following steps that: after soil drought processing and drought processing simulated by polyethylene glycol (PEG), variety with strong drought tolerance in two processing methods is screened out. By simultaneously performing soil drought and drought simulated by PEG and conjointly analyzing the result, the defects of two drought processing methods can be simultaneously avoided and the advantages of two methods can be exploited to the full. Thus, the experimental result is accurate and the results of the studies of breeding, group construction, gene mapping and the like of the drought-enduring variety and drought-sensitive variety which are screened out are more credible, and the time and the expenditure of researchers are saved.
Owner:RICE RES ISTITUTE ANHUI ACAD OF AGRI SCI

Method for carrying out integrated testing on intelligent driving vehicle

The invention discloses a method for carrying out integrated testing on an intelligent driving vehicle. The method comprises the following specific steps: (1) realizing a model in-loop simulation testunder a virtual test scene for an intelligent vehicle control strategy and algorithm; (2) realizing a software in-loop simulation test under a virtual test scene for a code generated or handwritten by the model; (3) downloading the model code to the target hardware to realize hardware in-loop simulation test under the virtual test scene; (4) mounting the controller on the intelligent vehicle to realize vehicle in-loop simulation test under the virtual test scene; and (5) mounting the controller on the intelligent vehicle to realize real vehicle test under a real scene, wherein the test scenein the step (1)-(4) is to reuse the same virtual test scene. According to the method, different simulation technologies based on the same test scene are shared in the project development process of asingle ECU of the intelligent vehicle, so that the function and performance of the controller are well verified, and the safety and reliability of the vehicle in the actual driving process are ensured.
Owner:安徽瑞泰智能装备有限公司

Method and device for emitting and receiving symmetrically-distributed light beams of laser radar

The invention discloses a method and a device for emitting and receiving symmetrically-distributed light beams of laser radar. A system adopts the method for independently emitting and receiving the light beams with a plurality of wavelengths, thereby eliminating an effect on a measurement result caused by different divergent angles and refractive indexes of the laser beams with the different wavelengths, independently realizing the calculation of the overlap coefficient of the system under the different laser wavelengths, developing the real coaxiality or completely parallel optical axes of receiving and emitting optical systems, ensuring data comparability and providing the method for the further development and practical application of the laser radar. The independent emission of the light beams with the different laser wavelengths in the system can be debugged under a visible software interface, so that an ordinary operator can finish the operation and maintenance of the system without the help of a precise measuring instrument or special technical personnel.
Owner:ANHUI INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Full-automatic vacuum degasser and degassing method thereof

The invention discloses a full-automatic vacuum degasser and a degassing method thereof. The full-automatic vacuum degasser comprises a first cylinder, a second cylinder and a degassing chamber, and is characterized in that the first cylinder is connected with an oil inlet tube which is provided with a first valve; the first cylinder is connected with an oil outlet tube which is provided with a second valve; the first cylinder is connected with an atomization nozzle of the degassing chamber by a third valve; the oil outlet of the first cylinder is communicated with the oil outlet at the bottom of the degassing chamber by a fourth valve; the degassing chamber is connected with the second cylinder by a fifth valve, the second cylinder is connected with a discharge pipe which is provided with a sixth valve; the piston rods of the first cylinder and the second cylinder are respectively connected with an electric transmission device; the degassing chamber is arranged in a constant temperature space and is internally provided with a vacuum sensor. The full-automatic vacuum degasser of the invention solves difficulty of difficult control of vacuum efficiency, and has the characteristic of stable degassing efficiency, controllability, and convenient and fast usage.
Owner:JIANGSU ELECTRIC POWER RES INST +3

Multifunctional medical detector and multifunctional medical detection system

The invention discloses a multifunctional medical detector which comprises a sample adding mechanism, an optical detection mechanism, a reaction bin, a driving mechanism, an electrode tip and a detection result processing module, wherein the driving mechanism is provided with a driving output shaft, and the driving output shaft is located in the middle of the reaction bin and used for driving a reagent plate in the reaction bin to rotate; the optical detection mechanism is located below the reaction bin, sequentially projecting light rays to at least one dry reagent pieces, used for biochemical detection, of the reagent plate along with rotation of the reagent plate, and receiving the light rays reflected by the at least one dry reagent piece to obtain at least one reflection response voltage value for biochemical detection; the electrode tip is located at the upper part of the reaction bin, provided with at least two telescopic electrode contacts, used for sequentially contacting the electrode on the reagent plate through the electrode contacts along with rotation of the reagent plate to read biochemical detection and / or blood routine examination voltage detection values of samples. The invention further discloses a multifunctional medical detection system.
Owner:北京德鲁伊医疗器材有限公司

Automatic positioning and calibrating device for infrared modulation photoluminescence (PL) bi-dimensional imaging light path

ActiveCN104181131ASuitable for in-plane spatial uniformity detectionImprove efficiencyAnalysis by material excitationPhotoluminescenceLight spot
The invention discloses an automatic positioning and calibrating device for an infrared modulation photoluminescence (PL) bi-dimensional imaging light path. The device comprises a long-time stable working laser source, an isometric long-focus light focusing module, a perpendicular light axis calibrating system, a focal plane calibrating system and a feedback self-calibrating control unit. The positions of relevant light instruments are mainly calibrated according to a position drift rate of an interference pattern formed by a Fresnel bi-prism on a high-precision complementary metal oxide semiconductor photoelectric element array, and a charge coupling element laser test array is used for measuring the size of light spots with micron precision. The device has the characteristics of high stability, high sensitivity, high automation degree and the like, and is effective technical guarantee for researching narrow bandage semiconductors comprising large-area infrared detector area array materials.
Owner:上海济物光电技术有限公司

Method for detecting characteristic component of usneaceae plant in tobacco sample

ActiveCN106908550AActive ingredients are rareAvoid lossComponent separationInternal standardSolvent
The invention relates to a method for detecting characteristic component of usneaceae plant in a tobacco sample. The method comprises the following steps: a) extracting the tobacco sample by an internal standard substance-containing extraction solvent to obtain a sample solution; b) using characteristic component of the usneaceae plant, an internal standard substance and the extraction solvent to prepare the standard solution with a series of concentration; c) using a gas chromatography-mass-spectrography method for determining the characteristic component of the usneaceae plant in the standard solution with a series of concentration, drafting a standard work curve; d) using the gas chromatography-mass-spectrography method to determine the content of the characteristic component of the usneaceae plant in the sample solution, employing an internal standard curve method for quantification; and e) calculating the content of the characteristic of the usneaceae plant in the tobacco sample. The method has the advantages of good repeatability and high analysis detection sensitivity.
Owner:CHINA TOBACCO FUJIAN IND

Electric energy quality monitoring system for electric vehicle charging station

The invention relates to the technical field of the electric energy quality of electric power systems, in particular to an electric energy quality monitoring system for an electric vehicle charging station. The electric energy quality monitoring system is suitable for electric energy quality monitoring, evaluation and treatment of the electric vehicle centralized charging station and is constituted by mutual connecting of three parts of an electricity supply system, a charging system and a monitoring system. The electricity supply system, the charging system and the monitoring system are connected with a charging station electric energy quality monitoring device; a direct current charger electric energy quality monitoring terminal and an alternating current charger electric energy quality monitoring terminal are connected between the charging system and the charging station electric energy quality monitoring device; and the monitoring system is further connected with a center server, a management client and a data server. The unified time service function is achieved, safety can be guaranteed to the largest extent, electric energy quality monitoring, analysis, evaluation and forecast of the charging station are achieved, the electric energy quality problems caused by a single charger branch and a charger are located, analyzed, compared, evaluated and diagnosed, and consistency and comparability of all measurement points data are guaranteed.
Owner:STATE GRID LIAONING ELECTRIC POWER RES INST +3

System and method for genomic data processing with an in-memory database system and real-time analysis

A system and a method for analyzing and evaluating genome data in the course of personalized medicine. In-memory technology is provided for processing of genome data and its real-time analysis as a holistic process in the course of personalized medicine. The cloud application helps physicians and researchers to identify the genetic roots for certain tumor types in the treatment of diseases correlating to genomic variants or mutations, such as cancer diseases. The system combines the latest international research results with patient-specific genomic data while eliminating the need for long-lasting manual searches of all dispositions in distributed international research and literature data sources.
Owner:HASSO PLATTNER INSTITUT FUR SOFTWARESYSTTECHN

Fast detection reagent kit of anionic surfactants and detection method by using fast detection reagent kit

The invention relates to a fast detection reagent kit of anionic surfactants. The fast detection reagent kit comprises a special anion reagent prefabricated tube, a demulsifying bar, washing liquid, a test tube standing frame and a liquid moving device, wherein chloroform and methylene blue color development agents in corresponding proportion are preset in the special anion reagent prefabricated tube, and the height of a chloroform layer formed by chloroform is at least 1mm higher than the height of a detecting opening of a photometer. Through the fast detection reagent kit and a detection method by using the fast detection reagent kit provided by the invention, the direct contact of operators with extracting agents can be avoided, meanwhile, the test speed is accelerated, the environment is protected, the pollution is avoided, and the fast detection reagent kit and the detection method can be widely applied to the detection of the anionic surfactants in surface water, waste water and tableware.
Owner:宁波市环境监测中心

Method and device to test anti-scaling and anti-wax precipitation properties of tubular product

ActiveCN104515836ADynamic monitoring of scaling and waxingImprove test efficiencyMaterial analysisTemperature controlControl system
The invention discloses a method and a device to test anti-scaling and anti-wax precipitation properties of tubular products. A corrosion resistant centrifugal pump through one end of a conveying pipe is communicated with the other end of a test medium tank and a test tube; the other end of the test tube through a conveying pipe is communicated with the test medium tank; a flow control valve and a digital display fluid flowmeter are arranged on the conveying pipe between the corrosion resistant centrifugal pump and the test tube; a temperature control system for the control of test medium temperature is arranged in the test medium tank; by setting the flow control valve and the digital display fluid flowmeter, the effect of the medium velocity on the anti-scaling and anti-wax precipitation properties of the tubular product can be inspected; and by adding the temperature control system, the effect of medium temperature on the anti-scaling and anti-wax precipitation properties of the tubular product can be inspected. The invention fully considers the simulation of the actual scaling and wax precipitation conditions of tubular products, and has the characteristics of reasonable design, simple structure of test device, convenient operation, fastness and intuition.
Owner:BC P INC CHINA NAT PETROLEUM CORP +2

In-situ dual infrared spectrum pool

The invention relates to an in-situ dual infrared spectrum pool, which comprises a pool body, wherein a cover is respectively arranged on two ports of the pool body; each cover and the port are sealed by a seal ring; an infrared window is arranged on each cover; the lateral wall of the pool body is provided with two holes; a heating tape is coiled on the outer wall of the pool body; a cooling water system is respectively arranged on outer walls of two ends of the pool body; a sample bracket is fixed in the pool body; two sample cells are arranged on the sample bracket; and a thermocouple passes through the wall of the pool body and is in contact with the sample bracket. The in-situ dual infrared spectrum pool disclosed by the invention is suitable for monitoring adsorption of gases at high temperature and different pressures on the surface of a solid material, or reaction or phase change of the solid material per se.
Owner:ZHEJIANG NORMAL UNIVERSITY

Stage division and fault detection method based on correlation analysis

The invention relates to a stage division and fault detection method based on correlation analysis. The method uses the change degree of information in the time slice matrix of a stable stage and a transition stage of an industrial process to identify multiple stages of the reaction duration of the whole industrial process. The method comprises the steps of arranging and standardizing historical batch data in a variable expansion mode, unfolding according to a batch mode, the unfolded time slice matrix comprising time-varying characteristics of an industrial process, and carrying out time sequence stage division according to distribution characteristics of evaluation values. After phase division is carried out, a model is established for each duration stage to monitor quality-related faults, carry out residual information subspace extraction on the industrial process variables, and monitor the abnormity irrelevant to quality in the industrial process. The method is applied to an industrial penicillin fermentation industrial process, which shows that the method has better monitoring performance and forecast capability.
Owner:HUZHOU TEACHERS COLLEGE

Quality monitoring and marketing system for indoor cultivated vegetables and fruits and implementation method thereof

The invention discloses a quality monitoring and marketing system for indoor cultivated vegetables and fruits and an implementation method thereof. The system comprises a transparent water planting device, a shooting device, a calculation main control unit and an information management and transmission platform, wherein the shooting device is used for shooting vegetables and fruits planted in the transparent water planting device, and transmitting shooting information to the calculation main control unit; and the calculation main control unit is interconnected with the information management and transmission platform via a network. The implementation method comprises shooting processing, image cropping processing, image integration information processing, image information management and push processing, vegetables and fruits monitoring and checking, and purchasing. Through adoption of the quality monitoring and marketing system and the implementation method thereof, consumers can purchase truly healthy, fresh and reliable vegetable and fruit products in response to a food information traceability strategy put forward in China, and great economical price and social value are achieved.
Owner:甘霖

Water-pollution microwave active-passive compound detection method and device

The invention discloses a water-pollution microwave active-passive compound detection method and device. The method includes the following steps: (10) system initialization, (20) active scanning, (30)passive scanning, (40) determination of target characteristics, (50) target distribution determination and (60) real-time monitoring. The device includes an antenna system (1), an X-band radar transmitter (2), a circulator (3), an X-band radar receiver (4), an active / passive switch (5), a Ka-band radiometer receiver (6), and a modulator (7) and an information generation and collection system (8).The antenna system (1) is connected to the X-band radar transmitter (2) and the X-band radar receiver (4) through the circulator (3), and the Ka-band radiometer receiver (6) is directly connected with the antenna system (1). The water-pollution microwave active-passive compound detection method and device have good electromagnetic compatibility, small mutual interference, and can work together atthe same time by sharing a platform.
Owner:NANJING UNIV OF SCI & TECH

Bionic three-dimensional fluid shear stress cell culture device and shear stress loading method thereof

The invention discloses a bionic three-dimensional fluid shear stress cell culture device and a shear stress loading method thereof. The bionic three-dimensional fluid shear stress cell culture device is characterized by consisting of a peristaltic pump (1), a perfusion small chamber (2), a 1-to-8 switcher (3), an air filter membrane (4), a waste liquid bottle (5), a straight-through valve (6), aculture medium (7), a liquid storage bottle (8) and a processing silicon tube (9), wherein one end of the perfusion small chamber is connected with the peristaltic pump (1), and the other end of the perfusion small chamber is connected with the waste liquid bottle (5) through the 1-to-8 switcher (3); the waste liquid bottle is connected with the liquid storage bottle (8) through the straight-through valve (6); and the liquid storage bottle (8) is connected with the peristaltic pump (1) through the 1-to-8 switcher (3).
Owner:SICHUAN UNIV

Unmanned plane three-dimensional flight track precision detection method and system

The invention discloses an unmanned plane three-dimensional flight track precision detection method and system. The method comprises the steps of acquiring the three-dimensional flight track of an unmanned plane in real time by an airborne differential GPS unit arranged in the unmanned plane to obtain a preset three-dimensional flight track of the unmanned plane; measuring the distances between at least three detection radars of a radar detection unit and the unmanned plane in real time to obtain at least three distance data; calculating the actual three-dimensional flight track of the unmanned plane based on the at least three distance data; and calculating accurate assessment parameters for the three-dimensional flight track of the unmanned plane based on the preset three-dimensional flight track and the actual three-dimensional flight track. According to the technical scheme of the invention, the unmanned plane can be three-dimensionally positioned by the extra arrangement of the detection radars, so that the actual flight track of the unmanned plane can be positioned at a high precision. Meanwhile, through comparing the three-dimensional flight track of the unmanned plane detected by the differential GPS unit with the actual three-dimensional flight track of the unmanned plane, the accurate three-dimensional flight track precision of the unmanned plane can be obtained. Therefore, the actual flight track of the unmanned plane can be positioned at a high precision.
Owner:TIANJIN AEROSPACE ZHONGWEI DATA SYST TECH CO LTD +1

Method for testing management end interface of information security management system

The invention discloses a method for testing a management end interface of an information security management system, which comprises the following steps: (1) constructing a testing environment; (2) setting parameters of a server; (3) according to the set related parameters, calling related interface functions of a management end; (4) if the calling is successful, returning results obtained by the operation of the interface functions according to the related parameters by the management end; and (5) comparing the returned results by using related standards to judge whether the related interface functions of the management end accord with the requirement. The method can ensure the high efficiency, consistency, reproducibility and comparability of the testing.
Owner:THE THIRD RES INST OF MIN OF PUBLIC SECURITY

Report generating system and method

A report generating system is operated on the network server and is connected to multiple client end, a databank and at least one external system. The system comprises a data maintenance module for presetting data, a user boundard surface module for managing user's request, a data collection module for collecting data, a data supply module for generating data required by the report, a report generating module for forming report webpage based on dynamic webpage and data supplied by data supply module.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Gas chromatography method for petroleum hydrocarbon component

The invention provides a gas chromatography method for petroleum hydrocarbon component, comprising the following steps: (1) unifying the scope of total petroleum hydrocarbon, that is all hydrocarbonsincluding n-hexane and n-tetraconta-carbon alkyl in a gas chromatography effluent; (2) regulating calibration substances and a calibration method, wherein total petroleum hydrocarbon (TPH) is volatilepetroleum hydrocarbon (VPH) and semi-volatile petroleum hydrocarbon (SPH), 5 n-alkanes with 6-10 carbon atoms in total are selected as a VPH calibration substance, 31 n-alkanes with 10-40 carbon atoms in total are selected as SPH calibration substances, and a calibration relationship of peak area to concentration of the calibration substances is established by an average response factorization method or a primary linear regression method; (3) quantifying all target chromatographic peaks in a sample chromatography one by one with an adjacent standard peak calibration method; (4) calculating total petroleum hydrocarbon and the petroleum hydrocarbon content of any segment.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Information releasing control method and apparatus

The invention provides an information releasing control method and apparatus. The method comprises the steps of receiving an information acquisition request, assigning target users to an experimental group or a control group, with the probability that a target user is assigned to the experiment group being equal to the probability that the target user is assigned to the control group, taking the actual interest tag group of the target users as a target interest tag group, if the target users are assigned to the experiment group, taking a random interest tag group as the target interest tag group, if the target users are assigned to the control group, and retrieving and returning the recommendation information matching with the target interest tag group. In the monitoring scheme provided by the present invention, all users in the experimental group and the control group are users who send advertisement drawing requests. The probabilities that the users are assigned to the control group and the experiment group are equal, so that the number of users in the experiment group is consistent to the number of users in the control group at the same period, even at the same time, thus ensuring the comparability between the two groups.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Self-set concentration gradient drug screening organ chip and preparation method thereof

The invention relates to a self-set concentration gradient drug screening organ chip and a preparation method thereof. The organ chip comprises a multi-cell co-culture system, a seed cell culture system, a blank control system and a drug testing system. The organ chip simultaneously can carry out activity or toxicity test and blank control experiment on drugs of eight drug concentration gradients at a time, so that the organ chip is simple in operation, can realize the parallel implantation and co-culture of various cells, reduce the application amount of actual samples, implement low drug consumption, and simplify a cell implantation process, therefore, the organ chip has portable, economical, efficient and accurate characteristics. The organ chip can independently carry out cell growth and culture and carry out multi-concentration gradient detection on drugs, and can carry out in-vitro, real-time and online observation on the biological behaviors of cells, tissues and organs, thereby providing a brand-new technical platform for cell-drug research and high-throughput drug screening.
Owner:SOUTHEAST UNIV

Collecting system of core gas in core gas hydrate drilling field

The invention provides a collecting system of core gas in a natural gas hydrate drilling field. The collecting system comprises an air collector, a water bath thermotank, a vibration table and a gas collecting bottle, wherein the water bath thermotank is arranged on the vibration table; the air collector comprises a tank body and a tank body cover, wherein the tank body and the tank body cover are separable, and the tank boy is in seal connection with the tank body cover; and when the collecting system is adopted to collect the core gas, the tank body filled with a core sample is in seal connection with the tank body cover when the water bath thermotank is positioned in a constant temperature saturated salt water environment, and the gas collecting bottle is connected with a gas collecting outlet of the tank body cover under the constant temperature saturated salt water environment. The collecting system provided by the invention has the advantages that the processes of packaging the aquo-complex core sample, releasing the gas, collecting the gas, collecting gas in an oscillation manner and sealing and storing the gas are finished once, a series of pilot processes are simplified, and the work efficiency of gas collection is greatly improved.
Owner:OIL & GAS SURVEY CGS

Device and method for detecting performance of functional material activated water

ActiveCN103196964ATest temperature is constantConstant sample flow rateMaterial electrochemical variablesOxidation reductionWater storage tank
The invention provides a device and method for detecting the performance of functional material activated water, which relate to water treatment. The device mainly comprises six parts including a raw water storage tank, a water treatment bed, an activated water storage tank, a detection and control unit, a water quality detection and control unit and a data processing unit, wherein the potential of hydrogen (pH) values and the oxidation reduction potential (OPR) of raw water and activated water are detected in real time in an on-line way by a raw water pH electrode and a raw water ORP electrode as well as an activated water pH electrode and an activated water ORP electrode; detected data is transmitted into the data processing unit by the water quality detection and control unit; and a real-time data curve and a history data curve can be displayed after data analysis and operation, and test results can be obtained. The device and the method can simply and rapidly detect the performance of the functional material activated water, so that materials with excellent performance for activating animal drinking water can be screened out.
Owner:HEBEI UNIV OF TECH

Water quality bacteria sampler

The invention discloses a water quality bacteria sampler for environment water quality monitoring, which comprises a bend main frame; both sides of the main frame are provided with long slots, and the edging of one end thereof is provided with a through hole; both sides of the main frame are provided with a mobile or a fixed movable frame, and the middle part of each movable frame is provided with a limit hole; the open ends of both sides of the main frame are provided with mobile or fixed tubular bases, supports are arranged in the bases, and the supports are provided with hammers; a steel wire rope passes through the through hole of the main frame; a sleeve is movably sleeved with outside the steel wire rope, and one end of the sleeve is fixed with the main frame; one end of the steel wire rope which passes through the through hole is connected with a chuck; and one surface of the chuck which is towards to the movable frame is provided with a clamping side which can tightly clamp a sampling bottle cap. The water quality bacteria sampler has the advantages of simple and reasonable structure, low cost and convenient operation, can prevent sampling stain, and ensure the representativeness and the comparability of a sample.
Owner:SHENZHEN ENVIRONMENTAL MONITORING CENT

Bioelectrochemistry auxiliary anaerobic composting device capable of improving putrescibility of dewatered sludge and startup operation method thereof

The invention relates to a bioelectrochemistry auxiliary anaerobic composting device capable of improving putrescibility of dewatered sludge and a startup operation method thereof, relating to an anaerobic composting device and aiming at solving the technical problems of slow composting progress, long period and poor composting maturity in the existing anaerobic composting methods. The composting device comprises an anaerobic composting chamber, an electrochemical electrode chamber and an electricity storage or consumption device, wherein the anaerobic composting chamber is positioned in the center of a reactor, formed by a space surrounded by an internal shell and provided with a first graphite brush electrode, and the side wall of the internal shell is a proton exchange membrane; and the electrochemical electrode chamber is formed by spaces between an outer shell and the internal shell of the reactor and provided with a second graphite brush electrode, and an electrode liquid is added in the electrochemical electrode chamber; and the first graphite brush electrode and the second graphite brush electrode are connected by a copper conducting wire to form a closed circuit. The composting device disclosed by the invention can compost dewatered sludge in 35-40 days with the composting maturity 28%-30% higher than that produced according to the existing composting methods, and is used for anaerobic composting.
Owner:HARBIN INST OF TECH
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