31results about How to "True reproduction" patented technology

The invention provides a measuring method for an isothermal adsorption / desorption curve of coaly shale. The measuring method mainly comprises the following steps of: placing a coaly shale specimen into a true triaxial core clamping system; setting an initial measuring state of the specimen according to the actual stratigraphic condition; carrying out an adsorption / desorption experiment on the specimen after the volume of a free pore is calibrated; respectively measuring and recording a cumulative flow value of gas at an inlet end or outlet end and a balanced system pressure value according to a high-precise gas mass flow meter at the inlet end or outlet end and a system pressure sensor; calculating to obtain the volume of the absorbed gas; and then, drawing the isothermal adsorption / desorption curve of the coaly shale specimen. By using the measuring method, influences of a strain field, a temperature field and the like to the adsorption / desorption of gas on the surface of the coaly shale can be truly reflected, experiments carried out under the influence of single factor and experiments carried out under the coupled action of multiple factors can be achieved, and the measured adsorption / desorption curve can be used for truly representing the adsorption / desorption characteristic for gas in an actual coaly shale reservoir.

The invention relates to a fault simulation and test simulation system for power cables. The fault simulation and test simulation system for the power cables is characterized by comprising a wireless router which can communicate with a host, a cable fault simulation cabinet and a cable fault simulation range finder; the cable fault simulation cabinet includes a cable test terminal cabinet, a cable fault setting cabinet and a cable terminal cabinet; and the cable fault setting cabinet includes a central control unit connected with an A-phase position detection and fault simulation module, a B-phase position detection and fault simulation module and a C-phase position detection and fault simulation module, and the central control unit is connected with a wireless module to facilitate communication of the cable fault simulation cabinet and the wireless router. The system is easy to operate, cable fault types and fault distances can be set at will through software, and common cable faults can be reproduced in a comparatively real way.

The invention relates to a device and a method for carrying out filling mining plane strain simulation test. The device comprises a test model frame filled with emulated coal and rock seams. An emulated filling mining simulation system is arranged at the position of the emulated coal seam of the test model frame. The top of the test model frame is connected with an equivalent loading system. The emulated filling mining simulation system is connected with an information acquisition system. Equipment arranged on a support frame, such as a simulation fully-mechanized filling bracket and the like, is utilized to carry out analog simulation on fully-mechanized filling mining. An included angle between the emulated rock seam and the horizontal ground is changed by moving a positioning block arranged on an angle modulation screw for simulating the movement condition of the overlaying rock seam in the fully-mechanized filling process of the inclined or steep coal seam. Filling bodies and the variation conditions of a pressure and a displacement in the overlaying rock seam in the filling process can be monitored in real time by the information acquisition system, so that the filling miningfield condition is really reflected. The device for carrying out filling mining plane strain simulation test has simple, compact and reasonable structure, stable and reliable test method and high practical value.

The present invention discloses a natural wind simulating device. The device comprises a motor, a control device and a sensor, wherein the control device is connected to the motor, and used for outputing motor control signals so as to control the rotating speed of the motor; the sensor is connected to the control device, and used for detecting the status information of the motor and feeding the status information back to the control device; the rotating speed of the motor is controlled by the control device according to the status information.

The invention provides an experimental system for the forming characteristic of a sodium-cooled fast reactor debris bed. The experimental system comprises an experimental support, a particle container, a particle conduit, a visual experiment container, a particle release controller, a visual data acquisition module, an environmental parameter detection module and a decay heat simulating generator, wherein the particle container and the particle conduit support multiple release apertures and release heights, an experimental particle system comprises various debris particles with different materials, shapes and sizes, visual experimental containers with different sizes are designed for two-dimensional and three-dimensional experiments, and the particle release controller and the visual data acquisition module can acquire and store images synchronously in the whole experimental process. The experimental system can be applied to researching and analyzing the forming mechanism of the fuel particle debris bed in the sodium-cooled fast reactor core disassembly accident process. The experimental system has the advantages that the experimental process is visual, qualitative analysis is combined with quantitative analysis, multiple controllable experimental variables exist, the operation principle is simple, the system is easy to expand, stable and safe and the like.

The invention discloses a digital body modeling method for using CT values to endow density and composing components, comprising: after obtaining a colorful picture and a CT film of human body, registering and dividing the colorful picture, marking important organs or tissues of human body; converting the CT values of the CT film after colorful picture registration, to obtain the density and composing components of the organs or tissues. The inventive digital body model can actually represent the three-dimension geometric information of human body, and can actually represent the internal anatomical structure of human body, which can be used to evaluate body radiation dose in nuclear medicine and radiation protection fields.

The invention relates to an online calculation method of main steam flow in a power station based on flow correction. The online calculation model of main steam flow is corrected by the mass flow balance equation. In this case, the iterative method is used to check and calculate the main steam flow value, and the calibrated main steam flow measurement value is used to correct the Fruger formula, and finally the online calculation model of the main steam flow is established. This method can not only quickly reflect the change trend of the main steam flow rate, but also ensure high accuracy of the flow rate. Considering the situation of sensor drift and distortion at the pressure measuring point of the on-site regulation stage, according to the correlation coefficient, it is determined whether the pressure value of the regulation stage is distorted, and then a soft measurement alternative for the pressure of the regulation stage is proposed to ensure the stability of the main steam flow online calculation module. The online calculation strategy of the main steam flow proposed by the present invention can be used as a reference for power plants and for economic analysis.

The invention discloses an image detection device comprising a reference part, a scanning part, and a light separation panel. The reference part is used for obtaining a brightness reference value; the scanning part is used for obtaining image information of a collected object; and the light separation panel arranged between the reference part and the scanning part is used for carrying out light separation on the reference part and the scanning part. With the device, stable image data collection can be realized; and influences of a temperature drift and a time drift can be reduced.

The invention provides an animals and plants culture box with a real-time field environment simulation function, relates to a field environment monitoring and simulating device, and solves the technical problem that wild animals and plants are hard to survive in indoor environment in the prior art. The animals and plants culture box comprises a field environment acquisition device and a field environment simulation culture box body, data acquired by the field environment acquisition device and data signals acquired are transmitted to a wireless receiving module of the field environment simulation culture box body through a first single-chip microcomputer and a wireless transmitting module, signals received are processed and analyzed through a second single-chip microcomputer, and then culture parameters of the field environment simulation culture box body are adjusted automatically. Field survival environment for animals and plants are simulated to the uttermost extent from the aspects such as illumination intensity, air temperature, air humidity, soil temperature, soil humidity and wind strength, field environment can be presented truly, successive indoor culture of massive small animals and plants or microorganisms difficult to culture is realized, and protection and in-depth study on field plants and animals are promoted.