30results about How to "Enables in-situ testing" patented technology

The invention provides a micro double-bed solid fuel decoupling combustion reaction dynamic analyzer which comprises a fuel pyrolytic reaction generation device, a residual coke combustion reaction generation device, a double-bed high-temperature coupling device, a gas path device and an analysis test device, wherein solid fuel is firstly pyrolyzed under an inert atmosphere in a micro gas flow bed; then residual cokes enter the micro gas flow bed for combustion test under an air atmosphere; a quick gas detector is used for judging a reaction mechanism by measuring a generation sequence and a generation quantity characteristic of gas components in a fuel pyrolysis process and a coke combustion process, so that reaction dynamic parameters can be calculated. According to the micro double-bed solid fuel decoupling combustion reaction dynamic analyzer, the combustion dynamic parameters of the solid fuel can be tested through direct decoupling combustion through independent and quick switching of the atmospheres and the temperature; the pyrolyzed residual cokes are directly subjected to the combustion test without a cooling process; the temperature rising rates of the gas flow bed and a fluidized bed are high, so that a combustion condition in an actual boiler can be well simulated; the measured reaction dynamic parameters are close to intrinsic reaction dynamic parameters.

The invention relates to an instrument for testing the shearing strength values of a soil mass in situ, and belongs to the technical field of rock and soil engineering. One-way bearings comprise an upper one-way bearing and a lower one-way bearing, and connectors comprise an upper connector and a lower connector; the longitudinal sections of the upper connector and the lower connector are funnel-shaped, one wider ends of the upper connector and the lower connector are respectively fixed together with the upper one-way bearing and the lower one-way bearing, and the upper connector is sleeved on the outer side of the lower connector; and shearing plates are divided into an upper shearing plate and a lower shearing plate, the cross sections of the shearing plates are crossed, and the upper shearing plate and the lower shearing plate are respectively fixed together with the upper connector and the lower connector. Through the instrument, the shearing strength values of the soil mass in the horizontal direction and the vertical direction can be respectively measured, and the defect that the conventional cross plate shearing instrument cannot separate the two shearing strength values is overcome. By separating the shearing strength values in the horizontal direction and the vertical direction, the testing precision of the in-situ shearing strength values of the soil mass is improved.

The invention discloses a compressive strength test system and test method of microcapsule inhibitors for mining. The pressure control part of the test system includes a hydraulic pump station and a main loading hydraulic cylinder, and the main loading hydraulic cylinder is fixedly installed on the test platform; The part includes auxiliary loading hydraulic cylinder and pressure vessel. The piston II of the auxiliary loading hydraulic cylinder and the piston I of the main loading hydraulic cylinder are connected by a piston rod to form an integrated structure. It is connected to the large chamber end of the auxiliary loading hydraulic cylinder, and the pressure vessel is provided with a microcapsule inhibitor injection port and a mixed liquid discharge port; the detection part includes a liquid chromatograph connected to the mixed liquid discharge port through a sampling pipeline. The invention can accurately measure the compressive strength of the microcapsule inhibitor under the premise of accurately restoring the real pressure of the microcapsule inhibitor in the high-pressure pipeline transportation process, and can provide a theoretical basis for determining a suitable pipeline injection pressure and data support.

The invention provides a horizontal shock excitation device for a steel rail. The horizontal shock excitation device comprises a counterforce system, a loading unit and a sensor, wherein the counterforce system comprises a potential energy switching frame and a limiting counterforce frame; a downward extending slide rail is arranged on the potential energy switching frame; the tail end of the slide rail horizontally extends out of the potential energy switching frame; the loading unit is arranged on the slide rail in a sliding form; the slide rail penetrates through the limiting counterforce frame and extends to the steel rail; a limiting counterforce surface is arranged on the limiting counterforce frame; the limiting counterforce surface is arranged right above the steel rail; the loading unit comprises a loading head for exciting the steel rail; a space for limiting the loading head is formed between the limiting counterforce surface and a sleeper of the steel rail; and the sensor is arranged on the loading unit and is used for recording and transmitting the loading data. The horizontal shock excitation device for the steel rail not only can be used for more accurately simulating a wheel rail relation but also can be conveniently operated. A test can be completed by only one person, so that the horizontal shock excitation test for the steel rail can be simply and effectively realized on site.

The invention discloses a cableless data unvarnished transmission device for a static penetrometer. The cableless data unvarnished transmission device is characterized by comprising a receiving module and a transmitting module. The transmitting module is mounted in a probing rod and penetrates into the ground along a static penetration probe. A battery of the transmitting module is respectively connected with a first power module and a high voltage power module. A first microprocessor, a high-speed mos pipeline driving circuit, an exciting pulse generating circuit and a transmitting transducer are in signal connection in sequence. The high-voltage power module is respectively connected with the first microprocessor and the exciting pulse generating circuit. The first power module is connected with the first microprocessor. The first microprocessor and the transmitting transducer are respectively connected with the static penetration probe and an ultrasonic receiving transducer. The transmitting module is used for modulating probe data into an ultrasonic signal and transmitting the ultrasonic signal along the probing rod. The receiving module is used for receiving the ultrasonic signal from the probing rod, demodulating original data of the probe and outputting the original data to the static penetrometer. The cableless data unvarnished transmission device replaces an original cable to conduct data transmission, so that the cableless static penetration test process is realized.

The invention discloses a method for crystallizing germanium antimony tellurium materials through electronic beam irradiation induction. The method comprises the steps that a substrate capable of carrying out microstructure representation or electrical property testing or in-situ performance testing is selected for preparing a germanium antimony tellurium amorphous film; the substrate for preparing the germanium antimony tellurium amorphous film is subjected to electron microscope sample pretreatment; a clean and smooth area of the surface of the germanium antimony tellurium amorphous film isfound in an electron microscope sample; the irradiation range, irradiation voltage, irradiation intensity and irradiation time are set in an electron microscope; the crystallizing process of the irradiation area of the electron microscope sample is observed in the electron microscope in real time, germanium antimony tellurium crystals meeting the crystallizing range, the crystal structure and thegrain size are obtained, and the process of crystallizing the germanium antimony tellurium materials through electronic beam irradiation induction is completed. The method provides experimental evidences for the study of the phase-change material crystallization mechanism and corresponding structural performance.

A Raman test system and test method for in-situ testing of LED stress, the test system is equipped with a laser, an optical system, a long-wave pass or band-pass filter, a Raman filter, a microscope, a CCD; a long-wave pass or a band-pass filter It is set at the front end of the microscope optical path, the rear end of the microscope optical path, the front end of the Raman filter, the rear end of the Raman filter or the front end of the CCD, etc. in the Raman optical path, and is combined with a laser whose wavelength is far away from the LED emission spectrum. Test method: first use the microscope to adjust the position of the sample to make the sample focus; turn off the light source of the microscope, turn on the laser, the laser is used to emit the laser light required for Raman testing, the optical path system transmits the input and output signals of the laser, and reflects the light After signal processing and filtering by Raman filter, the final signal is detected by CCD. Improve the signal-to-noise ratio of the Raman signal and realize the in-situ test of LED stress under different current injection conditions.