39results about How to "The experimental results are intuitive" patented technology

The invention aims at providing a simulation experiment method convenient to operate and capable of accurately simulating gas capacity quantitative evaluation under the condition of natural gas multi-layer commingling operation process, of multi-layer commingling capacity of a natural gas reservoir. The simulation experiment method of the multi-layer commingling capacity of the natural gas reservoir comprises a plurality of pressure gas containing bottles; a gas outlet of each pressure gas containing bottle is connected with a gas inlet of each reducing valve correspondingly, and a gas outlet of each reducing valve is connected with a gas inlet of each rock core clamp tube body correspondingly; a temperature measuring unit and a confining pressure measuring unit are installed on the wall of each rock core clamp tube body correspondingly, a gas outlet of each rock core clamp tube body is connected with an entrance of each bi-directional valve through a pipeline which is in series connection with a branch-pipe backpressure valve and a branch-pipe flow meter correspondingly, and an exit of each bi-directional valve is connected with the lower portion of a cylindrical container through a pipeline correspondingly; and the top of the cylindrical container is connected with outside air through a pipeline which is in series connection with a header pipe backpressure valve and a header pipe flow meter.

The invention relates to a dispersion measurement method of an inorganic nano-particle composite polyimide film raw material, comprising the following steps of: (1) placing a proper amount of a sample into a measurement container and then placing a metal plate electrode into the measurement container; (2) applying an alternative current voltage on two electrode plates, gradually increasing the voltage amplitude and recording a breakdown voltage measurement value; ( 3) comparing the measurement value with the standard value and analyzing; and (4) analyzing the measurement result, wherein the closer the measurement value and the standard value are, the more uniform the dispersion of the nano particles in the sample is. The time is saved, the dispersion is directly measured free from the limit of various dispersion stability mechanisms, the experiment device is simple, the measurement operation is convenient, and the experiment result is visual and accurate. The dispersion measurement method is mainly used in the technical field of the electronic insulation.

The invention relates to a device for testing the influence of hydration heat of cement paste/drilling fluid on the stability of natural gas hydrate. The device comprises a gas source 1, a pressure regulating valve 2, a gas mass flow meter 3, a pressure gauge 4, a constant-temperature water tank 6, a water source switch 7, a visual reaction kettle 8, a control panel 13, a computer 16, a heating sleeve 23, pressure sensors 24 and temperature sensors 25; the visual reaction kettle is sequentially connected with the pressure gauge, the gas mass flow meter, the pressure regulating valve and the gas source, and is also connected with the constant-temperature water tank through the water source switch; the heating sleeve is arranged outside the reaction kettle; and the plurality of temperature sensors and pressure sensors are distributed at two ends of the reaction kettle respectively. When the device is used for well cementation, a cement paste cylinder is fixed at the central position in the kettle body, and cement paste is filled in the paste cylinder; and when the device is used for drilling, a drilling fluid circulating pipeline is arranged at the central position in the kettle bodyand connected with a drilling fluid pumping pipeline. The testing process is simple and rapid, and the device can be used for researching the influence rule of hydration heat release of cement pasteand drilling fluid on the stability of the natural gas hydrate.

The invention relates to an apparatus for environmental science research, in particular to a novel BOD (biochemical oxygen demand) determination system for continuous microorganism oxygen supply. The novel BOD determination system comprises a continuous oxygen supply unit, a measuring unit, a constant-temperature culture device, a magnetic stirring device and a software recording module for controlling the whole system. An operating principle of the novel BOD determination system includes that microorganisms are biodegraded in a reaction vessel under the normal pressure and at the constant temperature to consume oxygen to produce carbon dioxide, the carbon dioxide is absorbed by carbon dioxide absorbents on the upper portion of the reaction vessel, pressure in the reaction vessel is reduced so as to generate a pressure difference, a circuit in a U-shaped tube is connected to promote a constant-current power supply module to be turned on, a copper sulphate solution in an electrolysis vessel is subjected to electrolysis to produce oxygen, and a coulometer module starts to record electrolysis electric charge quantity; the oxygen is supplemented into the reaction vessel to enable the pressure difference of a U-shaped tube pressure meter to vanish, the circuit is disconnected, the constant-current power supply module is turned off, the electrolysis vessel stops electrolysis, and the coulometer module stops recording; the software recording module is controlled to process experimental data. The novel BOD determination system for continuous microorganism oxygen supply is capable of providing continuous oxygen supply and achieving precise temperature control.

The invention belongs to a quantitative detection method of an enzyme, and in particular relates to an HPRT (hypoxanthine phosphoribosyl transferase) body gene mutation detection method based on surface plasmon resonance. The HPRT body gene mutation detection method based on surface plasmon resonance is characterized by comprising the following steps: (1) preparation of a wild HPRT enzyme-sensitive SPR (surface plasmon resonance) gold film; (2) SPR detection of a wild HPRT standard substance; and (3) sample preparation and the SPR detection: after collected mammal cells are repeatedly washed by a hanks liquid, directly adding a histiocyte lysis solution; vibrating at the temperature of 4DEG C to cause the sample to fully crack; carrying out low-temperature centrifugation on the cracked product; collecting a supernate containing proteins; replacing the lysis solution component in the supernate by PBS (phosphate buffered saline), and storing in a refrigerator at the temperature of 4 DEG C; and carrying out SPR detection. The method has high detection sensitivity, and the content of wild HPRT of ngmL-1 order of magnitude can be detected.

The invention discloses a sulfur deposition testing device for a sulfur-containing natural gas gathering and transportation pipeline. The sulfur deposition testing device comprises a supply system, a sulfur deposition testing system, a data image acquisition system and a tail gas recovery system. The device has the beneficial effects that the device can realize accurate control of the concentration of sulfur particles, simulate the real deposition condition of the sulfur particles in a natural gas gathering and transportation pipeline, and particularly can analyze the influence of variables such as pressure, gas flow, sulfur particle size, sulfur particle flow, valve opening and curve ratio on the sulfur deposition rule in a reverse Z-shaped vertical pipe, a horizontal bent pipe and a valve which are easy to generate a sulfur deposition phenomenon, and greatly improves the measurement precision of the critical suspension speed, the deposition rate and the accumulative deposition rate of sulfur particles; the pressure and flow change of the test section can be monitored in real time through the data image acquisition system, the dynamic change image data of sulfur deposition in the pipeline can be recorded in real time, and the device has the advantages of high measurement precision, visual experiment result, good safety performance and the like.

The invention discloses an insulation breakdown based device and method for testing liquefaction temperature of insulating gas. The device comprises a thermostat, a constant-volume bottle, an electrode pair, a gas preparation device, a liquid phase detection device and a data monitoring and processing unit, wherein the constant-volume bottle is arranged in the thermostat, and a thermometer and a piezometer are arranged in the constant-volume bottle; the electrode pair is arranged on the wall of the constant-volume bottle, discharge ends of the electrode pair are located in the constant-volumebottle, and the two ends, located outside the constant-volume bottle, of the electrode pair are connected with a high-voltage power supply to form a loop; the liquid phase detection device comprises an optical fiber scene processing unit which is communicated with the constant-volume bottle; the gas preparation device is communicated with the constant-volume bottle; the thermometer, the piezometer, the thermostat, the gas preparation device and the liquid phase detection device are communicated with the data monitoring and processing unit through signal lines respectively. According to the testing device, the problem of approximation based on an ideal gas equation calculated value can be solved, and the liquefaction temperature of the insulating gas can be tested in situ and verified.

The invention discloses a pulmonary alveoli surfactant function experiment device and method. The device comprises a communication tube, a first balloon and a second balloon, and the first balloon iscommunicated with the second balloon through the communication tube. The device is simple in structure, the experiment method is easy to operate, the functions of water molecules and surfactants in the pulmonary alveoli under a microscopic condition are displayed through a macroscopic phenomenon, teachers are helped to explain and analyze knowledge points, and then students conveniently understandthe knowledge points.

The invention relates to the technical field of rapid detection, and discloses a D-galactose induced AL zebrafish aging model and an anti-aging effect evaluation method in order to solve the problems that in the prior art, the detection time of the anti-aging effect of an anti-aging product is long, and the evaluation method is complex. The model is an AL zebrafish model using D-galactose to induce senescence, and the method comprises the following steps: setting a normal group, a model group and a test sample group for incubation, after incubation for 5-7 days, cleaning and fixing each group of zebrafish, then performing beta-galactosidase dyeing, and then performing freeze drying to obtain the new zebrafish model. And observing and calculating the sum of unsaturated transparency of the zebra fish by using an optical microscope. According to the invention, the D-galactose induced AL zebrafish aging model and the method for evaluating the anti-aging effect of the anti-aging product by using the model are established, the detection is rapid and accurate, and the experimental result is visual.

The invention relates to a color and heat absorption efficiency experimental instrument. The color and heat absorption efficiency experimental instrument is characterized in that temperature sensors are fixed on the bottom surface of the box body; annular absorber plates are arranged above the temperature sensors; the lower surface of the each annular absorber plate is tightly attached to the upper surface of the corresponding temperature sensor; a rotating shaft is arranged at the center of the each annular absorber plate; a jagged circular disk is fixed on the each rotating shaft; the each annular absorber plate is provided with sector subregions; the color of each sector subregion is different; a bulb and a switch for controlling the bulb are arranged on the side wall of the box body; the temperature sensors are connected with an analog-to-digital conversion module through connection lines; the analog-to-digital conversion module is connected with a computer through a data line. Thecolor and heat absorption efficiency experimental instrument can perform digitalized analysis and comparison on the color and heat absorption efficiency experiment, can synchronously compare the heatabsorption efficiency of a plurality of colors, can improve the precision of the experiment, is convenient to operate, is not influenced by weather, is visual in the experimental result, and has small error.

The invention relates to a paraffin wax soft curvature test system which comprises a wax strip molding machine, a wax strip fixator and an incubator. The wax strip molding machine comprises a wax strip molding machine body and a wax strip head molding machine which is arranged at the bottom inside the wax strip molding machine body; the wax strip fixator comprises a wax strip fixator body; the incubator comprises an incubator shell, a temperature control device and a support, and the incubator shell is internally provided with the temperature control device and the support. Compared with the prior art, the paraffin wax soft curvature test system has the advantages that the structure is simple, the determination cost is effectively reduced, the operation steps are simplified, and the production quality of paraffin wax is improved; a difference of continuous determination results determined by the same sample is not more than 2.5 degrees to 5 degrees, and the determination accuracy is greatly improved; temperature control of the incubator is closer to the warehousing and transportation environment in summer, in this way, the experimental results are closer to realistic conditions, and the experimental results are more visual.