163 results about "Chemical test" patented technology

The invention discloses a preparation method of a silicon-based quantum dot tracer. The silicon-based quantum dot tracer agent disclosed by the invention is prepared by taking 3-aminopropyltrimethoxysilane, sodium citrate, urea and deionized water as raw materials and adopting a hydrothermal synthesis method. The silicon-based quantum dot tracer agent is synthesized by using 3-aminopropyltrimethoxysilane as a silicon source and using the synergistic effect of double reducing agents of sodium citrate and urea, the synthesized silicon-based quantum dot tracer agent can overcome the influence of temperature and environment on the silicon-based quantum dot tracer agent, the fluorescence lifetime is prolonged, and the silicon-based quantum dot tracer agent has a relatively small particle size and can be used for preparing the quantum dot tracer agent. And inter-well tracer testing and single-well chemical testing technology research of an on-site oil field are facilitated.

The invention relates to a detection device capable of correcting hematocrit and a measurement method thereof. The detection device comprises a dry chemical test paper clamping shell upper cover, hematocrit detection test paper, dry chemical test paper and a dry chemical test paper clamping shell lower cover, the hematocrit detection test paper comprises a double faced adhesive tape, a hydrophilic film, a double faced adhesive tape, a hematocrit detection electrode and a double faced adhesive tape from top to bottom; the dry chemical test paper clamping shell upper cover comprises a sample adding hole; and the lower cover of the dry chemical test paper clamping shell comprises a detection hole. According to the invention, the test paper for detecting the hematocrit by the impedance method is adhered to the upper cover of the card shell of the dry chemical test paper and is attached to the dry chemical test paper, so that the dry chemical test paper detection and the hematocrit detection can be realized, and the dry chemical test paper detection result is corrected according to the hematocrit detection result. And a specific detection and correction method is adopted, so that the influence of hematocrit on a detection result is reduced to the greatest extent.

The invention provides a synchronous electrochemical test and hydrogen evolution test experimental device and method, and belongs to the field of metal corrosion research. The experimental device provided by the invention comprises a hydrogen evolution test module, an electrochemical test module and a control system module, and the control system module controls the hydrogen evolution test module and the electrochemical test module to work through circuit connection. By combining the hydrogen evolution test and the electrochemical test, the automatic accurate measurement of the hydrogen evolution amount in the metal corrosion process can be realized, the measurement of the corrosion rate, the corrosion potential and the charge transfer amount in the oxidation-reduction reaction can also be realized, and the problems of poor sustainability and low precision of the traditional hydrogen evolution test method are avoided; the hydrogen evolution test data and the electrochemical test data are automatically obtained while one-time sample preparation is realized.

Chemical test methods for evaluating the alkali-silica reactivity (ASR) of an aggregate or an aggregate within a particular concrete job mix design by exposing the aggregate to a simplified system with the same or simulated long-term pore solution conditions is provided. ASR is a chemical reaction occurring between alkaline hydroxides within cement paste and certain types of amorphous silica found in mineral aggregates. Causing an accumulation of internal pressure within concrete structures due to the formation of a hygroscopic gel through the absorption of water, ASR leads to expansion and cracking of concrete. The present test method determines the reactivity index (RI) of a given aggregate, or an aggregate as it is to be used in a proposed concrete job mix design by determining the average concentrations of calcium, aluminum, and silicon across multiple tested samples, wherein the RI is the ratio of the concentrations of silicon to that of aluminum and calcium combined.

The invention discloses a metal corrosion testing device and method for simulating a dynamic interface of supercritical CO2 and an aqueous solution, and belongs to the technical field of metal corrosion testing. The metal corrosion testing device comprises a reaction kettle, a temperature control system, a gas control system, a supercritical CO2 / aqueous solution interface simulation control system and an electrochemical testing system, the supercritical CO2 / water solution interface simulation control system comprises an electric push rod, a time relay and a sample holder; one end of the electric push rod penetrates through the kettle cover of the reaction kettle and is connected with the time relay; the time relay is used for controlling periodic reciprocating motion of the electric push rod; the electrochemical testing system comprises an electrochemical workstation and an electrochemical probe; the electrochemical workstation is connected with an electrochemical probe, and the electrochemical probe is arranged on the corrosion exposure experiment sample; the temperature control system is arranged in the reaction kettle, and the gas control system is connected with the reaction kettle. The technical problem that the metal corrosion of the dynamic interface of the supercritical CO2 and the aqueous solution cannot be accurately analyzed in the prior art is solved.

The invention discloses a manganese ore prospecting method, device, equipment and medium, and relates to the field of data processing.The manganese ore prospecting method comprises the steps that a jet flow center area of a target area is determined according to gravity data of the target area and aeromagnetic data subjected to chemical pole anomaly processing; carrying out chemical test analysis on the manganese ore sample in the jet flow central area, and determining the characteristics of the manganese ore in the jet flow central area; performing French group manganese ore special geological mapping on the jet flow center area, and determining geological section information of a first section of the jet flow center area; determining a prospecting prediction area of the first section by combining the manganese ore characteristics and the geological section information; performing inversion on the French group manganese-containing ore layer of the jet flow center area in combination with known drilling data of the prospecting prediction area, and determining a three-dimensional model of the French group manganese-containing ore layer of the jet flow center area; and based on the three-dimensional model, performing audio magnetotelluric sounding on the jet flow center area, and optimizing predicted manganese ore data of each geographic position of the jet flow center area.

The invention discloses a carbon dioxide-rich phase electrochemical corrosion in-situ test system and method. The system comprises a carbon dioxide pressurizing device, a reaction kettle, a heating device, a first test piece and an electrochemical analyzer, the carbon dioxide pressurizing device is used for preparing pressurized carbon dioxide and injecting the pressurized carbon dioxide into the reaction kettle; the reaction kettle is used for providing and maintaining a stable set temperature and pressure environment in the kettle; the heating device comprises a temperature control system and a heating jacket, the heating jacket covers the reaction kettle, and the reaction kettle is heated under the control of the temperature control system; and the two first test pieces form double electrodes which are electrically connected with an electrochemical tester through wires. The double electrodes are composed of two first test pieces which are oppositely arranged in a grid-shaped crossed manner, and the distance between the electrode arrays of the double electrodes is less than or equal to 0.1 mm, so that the test surfaces of the double electrodes have a good conduction technical effect under the action of a discontinuous thin liquid film, and the characteristic simulation of a metal / solution interface process and non-uniform and discontinuous electrochemical parameters is realized.

The utility model discloses an electrochemical testing device and an electrochemical testing system. The electrochemical testing device comprises a testing module and a pipetting mechanism, the test module is provided with an electrolytic tank, and an electrode assembly is arranged in the electrolytic tank; the pipetting mechanism comprises a transfer assembly and a suction assembly, and the transfer assembly is configured to drive the suction assembly to move; the suction assembly is configured to suck the electrolyte to be tested and / or the cleaning fluid, and can be in butt joint with the test module so as to be communicated with the electrolytic tank. According to the technical scheme, the testing efficiency of the electrochemical testing device can be improved.

The invention relates to the technical field of packaging bag sealing detection, in particular to a sealing detection device and method for packaging bag sampling inspection based on automatic sealing, and the device comprises a detection table and a housing disposed on the detection table, and also comprises an electric mechanism which is disposed in the housing and is used for clamping and pulling the bottom edge of a packaging bag to be inspected, an expanding and supporting mechanism capable of opening the bag opening of the packaging bag is further arranged in the shell, and after the bag opening is opened, the expanding and supporting mechanism can promote the second guide pipe in the shell to move to the position above the bag opening, and water is added into the packaging bag; based on a chemical test paper reaction, a detection result can be rapidly and visually obtained through color change on the moisture detection test paper, a leakage point can be accurately determined through an area with color change on the moisture detection test paper, the sealing condition can be rapidly judged through simple operations of water filling, sealing, test paper insertion and extrusion, and moreover, the detection result can be rapidly and visually detected. Tiny leakage can be sensitively detected through the color change of the moisture detection test paper.

The invention relates to the technical field of thermal power plant data management, in particular to a chemical supervision and management method and system based on a thermal power plant, and the system comprises a regular task management module, a chemical test report inputting and editing module, a data auditing module and an abnormity early warning and processing module which are in communication connection in sequence. The regular task management module creates a chemical supervision task according to a thermal power plant technical standard criterion; the chemical test report inputting and editing module adopts a standardized report template to input chemical test report data according to the executed chemical supervision task; the data auditing module is used for regularly auditing the chemical test data report according to a multi-stage data auditing mechanism; and when abnormal data occurs in the chemical test data report, the abnormal early warning and processing module timely gives out early warning, rechecks the abnormal data, carries out data analysis and generates an analysis report, so that the chemical supervision work of the thermal power plant can be efficiently and accurately carried out.

1. The name of the design product: chemical test tube. 2. The use of the design product: for containing chemical reagents. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. Other circumstances that need to be explained: the A part is transparent material.

1. Name of the designed product: urine analyzer. 2. Use of the designed product: urine chemical test and analysis with urine test strip. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The utility model discloses a chemical test agent processing workbench, and relates to the technical field of chemical test agent processing, connecting rods are symmetrically arranged on the upper surface of a separation net, and the upper ends of the connecting rods are connected with limiting plates; an adsorption box is further installed on the upper surface of the top plate, connecting pipes are symmetrically arranged on the lower surface of the adsorption box and located in front of the top plate, the lower ends of the connecting pipes are connected with air inlet pipes, air suction heads are symmetrically arranged on the lower surfaces of the air inlet pipes, and two adsorption frames are arranged in the adsorption box; and a deodorizing box is arranged between the two groups of adsorption frames in the adsorption box. Through the arrangement of the adsorption box, the air inlet pipe, the connecting pipe, the air inlet head, the adsorption frames, the odor removal box, the fan and the air outlet, odor generated by processing of a chemical test agent can be doubly adsorbed through the two adsorption frames, and meanwhile the odor removal box can be used for purifying air; therefore, the harm to workers caused by the odor generated during the processing of the chemical test agent is avoided.

The utility model discloses a strip withdrawing light reflection method dry chemical test card device which comprises a first plate body, a spring and a sliding block, the first plate body is provided with a bearing plane, the sliding block is arranged on the first plate body in a sliding mode, one end of the spring abuts against the sliding block, and the other end of the spring abuts against the first plate body. The first plate body is provided with two clamping protrusions, the two clamping protrusions are distributed in a splayed shape, the bearing plane is located in front of the two clamping protrusions, the first plate body is provided with a detection through hole, the first plate body is provided with a dustproof plate, the dustproof plate is tightly attached to a hole opening of the detection through hole, and the detection through hole is provided with a clamping groove. The dustproof plate is partially transparent or completely transparent. The device has the following beneficial effects that the test strip clamped between the two clamping bulges can slip by pushing the sliding block, and the device is convenient to use and operate.

1. The name of the design product: circulating water type multi-purpose vacuum pump. 2. The use of the design product: the design product is used for evaporation, distillation and separation of chemical tests. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The bottom of the design product is the part that is not easy to see or not visible during use, and the top view is omitted.

The present application belongs to the technical field of hydrogen storage material detection equipment, and particularly relates to a device for testing or analyzing hydrogen storage materials by means of their chemical or physical properties, and more particularly to a hydrogen storage material corrosion resistance detection device. The device comprises a hydrogen storage material detection box, a sealed detection seat, an electromagnetic valve, a high-pressure hydrogen cylinder, a hydrogen compressor and a hydrogen storage material to be detected. A sealed heat preservation box is fixedly installed on the inner side of the hydrogen storage material detection box, and the sealed detection seat is fixedly connected to the inner side of the sealed heat preservation box. The present application organically integrates high-pressure environment simulation and a three-electrode electrochemical test system through integrated design, and can complete corrosion condition adjustment and performance characterization without opening the sealed cavity. The hydrogen storage material to be detected is always in a simulated real service high-pressure, specific temperature and complex medium environment, fundamentally avoiding the change of corrosion state caused by the sample being separated from the original environment, and ensuring that the collected corrosion kinetics parameters, corrosion product film characteristics and other data are real and reliable.

The utility model provides a test tube clamping frame for chemical test, which comprises a bottom plate, and a cross-shaped base is fixedly mounted at the top of the bottom plate; the guide mechanism is arranged on the bottom plate and is used for assisting the sampling tube in stable sampling; and the clamping mechanism is arranged on the cross-shaped base, the clamping mechanism comprises sliding grooves, sliding blocks and clamping plates, four sets of sliding grooves are formed in the top of the cross-shaped base and are annularly distributed, one set of sliding blocks is slidably installed in each of the four sets of sliding grooves, and one set of clamping plates is fixedly installed on the tops of the four sets of sliding blocks. The defect that the existing test tube clamping device only can be used for mounting a test tube with a fixed size is overcome through a clamping plate relaxation clamping mode, and the flexibility of the device is improved. The opening side ends of the multiple clamping plates can form an opening larger than the diameter of the test tube and a semi-open guide sheet, so that the test tube can be taken out from one side of each clamping plate, the convenience of taking the test tube is improved, and operation and use of experimenters are facilitated.

The utility model relates to the field of chemical reaction devices, in particular to a chemical laboratory safety reaction device which comprises an operation table, an operation frame, a reaction device, a connecting device, a chemical test tube, a heating frame, a sealing cap, a threaded column and an injection agent pipe. A reaction device and a chemical test tube are installed in the operating table and the operating frame, a connecting device is installed on the upper side of the reaction device, three agent injection pipes are installed on the side wall of the reaction device, sealing caps are installed at the top ends of the agent injection pipes, and a heating frame is installed in the middle of the operating table; the reaction device can be stably fixed through the fixing table and the operation frame, it is guaranteed that the reaction device cannot shake in the chemical reaction process, and the experiment safety is improved.

Technologies for specialty chemical development and testing include devices and methods for normalizing historical specialty chemical test results and training a chemical composition predictor to predict chemical components of a formulation given a test condition and a normalized performance indicator based on the normalized test results. The specialty chemical may be a corrosion indicator, and the normalized performance indicator may be corrosion rate. The devices and methods may predict a predicted composition with the trained chemical composition predictor. the devices and methods may filter the normalized test results based on the predicted composition and train a formulation optimization predictor to predict a normalized performance indicator based on the filtered test results. The devices and methods may generate multiple candidate chemical formulations based on the predicted composition and predict a normalized performance indicator for each candidate chemical formulation with the trained formulation optimization predictor.

The invention provides a multifunctional kit which is internally provided with M electrochemical test strips and N dry chemical test strips, namely, the multifunctional kit with consumables can be matched with a multifunctional detection instrument to detect M electrochemical detection items and N dry chemical detection items, and through the arrangement of a sample tube mounting groove 311, a sampling groove 312, a TIP head grabbing groove 313 and a TIP head discarding groove 314, the detection efficiency is improved, and the detection efficiency is improved. Sampling and sample adding can be conveniently completed in one multifunctional kit, and then detection of M electrochemical detection items and N dry chemical detection items can be fully automatically carried out in cooperation with a multifunctional detection instrument.

The application provides a chemical test tube rack for a thermal power plant. The chemical test tube rack for the thermal power plant comprises a support frame, a test tube placing mechanism and a drainage mechanism. The support frame comprises a horizontal bottom plate, a vertical support rod and a horizontal top plate connected in sequence. The test tube placing mechanism comprises a placing frame and a partition plate. The partition plate is arranged inside the placing frame to form a plurality of placing grooves for placing chemical test tubes. The placing frame is arranged obliquely and fixedly connected to the bottom of the horizontal top plate. The drainage mechanism is installed on the vertical support rod. A flow guide inclined plate is connected between the drainage mechanism and the placing frame. The flow guide inclined plate is used to guide waste liquid generated by the test tube placing mechanism to the drainage mechanism. The chemical test tube rack for the thermal power plant can avoid mutual influence between the chemical test tubes by arranging a plurality of placing grooves and placing each chemical test tube in a corresponding placing groove. Meanwhile, the oblique arrangement can facilitate the taking out and storage of each layer of chemical test tubes.

The utility model relates to the technical field of sampling devices for chemical tests, in particular to a liquid phase sampler for chemical tests, which comprises a protective tube, two ends of the protective tube are hollow, one end of the protective tube is provided with external threads, and the other end of the protective tube is provided with a finger blocking plate. The sampling mechanism is used for extracting liquid; the sampling mechanism comprises a screwing cover, an internal thread matched with the external thread is arranged on the inner wall of the screwing cover, and a plurality of extraction pipes and liquid storage pipes which are distributed in the circumferential direction are arranged on the screwing cover; through the arrangement of a plurality of extraction pipes, liquid storage pipes and extraction rods, the sampler does not need to be replaced during sampling, so that the time for replacing the sampler is saved, the sampler does not need to be replaced during a liquid dropping experiment, an experimenter can concentrate on observing the reaction process in an experimental apparatus, recording of complete experimental data is facilitated, and the experimental efficiency is improved. The recording error is further reduced, the accuracy of experimental data is improved, and the practicability is high.

The utility model relates to the technical field of chemical test instruments, in particular to an adjustable iron stand which comprises a base, a containing groove is integrally formed in the top face of the base, a side column is fixedly connected to one side of the base, a limiting sliding groove is formed in the middle of the side column, a lifting assembly is arranged in the limiting sliding groove, and the lifting assembly is fixedly connected with the side column. An eccentric adjusting assembly is arranged at the top of the lifting assembly, and a test tube clamping assembly is movably connected to the middle of the eccentric adjusting assembly; the eccentric adjusting assembly comprises a driving motor connected with the lifting assembly. According to the iron stand disclosed by the utility model, the inclination angle of the test tube can be changed through the eccentric adjusting component, and the test tube can do eccentric rotary motion in the heating process of the test tube, so that the purposes of heating while inclining, shaking up chemical substances in the test tube and changing the heating position of an alcohol lamp on the bottom end of the test tube are realized, and uniform heating is realized; and the test tube clamping assembly can adjust the distance between the two groups of test tube racks according to the test tubes with different lengths.

The present invention provides an electrochemical test strip (200) for detecting multiple indicators and a test method thereof. The electrochemical test strip includes a first biosensor (100) provided with an insulating substrate (1), a first electrode system, a first channel forming layer (4) and a first upper cover layer (5), and a second biosensor (101) provided with an insulating substrate (8), a second electrode system, a second channel forming layer (11) and a second upper cover layer (12). The first biosensor (100) and the second biosensor (101) are located on the front and back sides of the electrochemical test strip (200), respectively. A sample addition port (6) of the electrochemical test strip (200) is in liquid communication with a first channel forming area (55) of the first biosensor (100) and a second channel forming area (56) of the second biosensor (101), respectively.

The utility model relates to the technical field of chemical test analysis, and discloses a magnetic rotation full-automatic fiber dissolver which comprises a bottom plate, a first fixing table is fixedly connected to the left side of the top end of the bottom plate, a second fixing table is fixedly connected to the right side of the top end of the bottom plate, and a motor is fixedly connected to the top end of the first fixing table. The driving end of the motor penetrates through the top end of the first fixing table and is fixedly connected with a driving wheel, the right end of the driving wheel is connected with a driving wheel through a rotating assembly, the bottom end of the hyaluronic acid barrel is arranged at the top end of the driving wheel, and the bottom end of the inner wall of the hyaluronic acid barrel is rotationally connected with a driven wheel. According to the utility model, a magnetic transmission mode is adopted, a dissolving solution and fibers are rotationally stirred, vibration and noise generated during mechanical contact are avoided, the dissolving solution is added into the hyaluronic acid barrel through the peracid pipelines, an experimenter is prevented from being in contact with acidic and alkaline dissolving solutions, and the experiment efficiency is improved. The safety of experimenters is ensured.

The invention relates to the technical field of metal corrosion detection, in particular to a coated steel corrosion electrochemical testing device and method. The device comprises an electrolyte container, a sealing component, a hydrophilic porous material, a reference electrode, an auxiliary electrode, a Luggin capillary tube and a working electrode, the sealing component sleeves the lower port of the electrolyte container; the hydrophilic porous material is arranged at the lower port of the electrolyte container and is tightly attached to the surface of the to-be-tested coated steel member; the detection end of the reference electrode extends to the lower port of the electrolyte container through the Luggin capillary tube; the auxiliary electrode at least partially surrounds the reference electrode; and the working electrode is composed of a metal base material of the to-be-tested coated steel member. The coating steel corrosion electrochemical testing device can realize various corrosion electrochemical tests such as open circuit potentiometric method measurement, linear polarization resistance method measurement and electrochemical impedance spectroscopy measurement, and realizes judgment of coating degradation and steel corrosion conditions.

The application provides a laboratory multi-source data monitoring management method and system, and belongs to the technical field of laboratory data processing and state control. The method is applied to process monitoring of laboratory reaction equipment, and comprises the following steps: S100, acquiring a plurality of first monitoring data and a plurality of second monitoring data of a first type and a second type of monitoring sensor in a first time period; S200, determining a to-be-converted time domain data set and a non-converted time domain data set; S300, converting the to-be-converted time domain data set into a frequency domain data set; S400, constructing an N-order data analysis matrix; S500, performing stability analysis on the N-order data analysis matrix to obtain a process analysis result of the laboratory reaction equipment. The technical scheme can accurately judge whether the reaction process of the laboratory reaction equipment is stable based on multi-source multi-dimensional real-time sensing data of different domains, so as to provide a stable reaction environment for partial precision experiments, chemical test experiments and the like.

Laboratory device for chemical testing

The utility model provides a sampling device for physical and chemical inspection of barreled drinking water, and relates to the technical field of sampling for physical and chemical inspection. The sampling tube comprises a tube body I, a tube body II and a tube body III which are integrally formed, and the tube body II is positioned between the tube body I and the tube body III; the second pipe body is in a hollow circular truncated cone shape, the inner diameter of the first pipe body is the same as the inner diameter of the circle of the end, with the large circular truncated cone face, of the second pipe body, and the inner diameter of the third pipe body is the same as the inner diameter of the circle of the end, with the small circular truncated cone face, of the second pipe body. A sampling hole is formed in the end, away from the second pipe body, of the third pipe body and communicated with the second pipe body, and the hole diameter of the sampling hole is smaller than the inner diameter of the second pipe body. By arranging the sampling pipe and the sealing structure, the sealing structure is arranged to be in the form of the first sealing plug, the second sealing plug and the third sealing plug, the sealing convenience and the sealing effect can be improved, and efficient sampling is achieved.