MATLAB-based soil test result batch reinspection method and device

The invention provides an MATLAB (matrix laboratory)-based soil test result batch reinspection method and device, and the method comprises the steps: initializing an MATLAB operation environment, reading experiment data including soil texture types in a. Xls file based on a BP (back propagation) neural network, and writing the experiment data into a break.mat program; a break.mat program is loaded, training data and recheck data are divided, and after normalization processing, the training data and the recheck data are stored in trads and testds files respectively; constructing a neural network, reading the training data, completing the training of the neural network by using the training data, and calculating a calculation variable obtained by the recheck data by using the neural network; and converting a calculation result, and comparing the converted calculation result with the soil texture type in the initialized recheck data to obtain an inconsistent group number, the accuracy rate ...

Organic silicon monomer rectification process and device based on heat pump rectification technology

The invention provides an organic silicon monomer rectification process and device based on a heat pump rectification technology. A crude monomer raw material is rectified through a high-component removal tower, a light-component removal tower and a binary tower in sequence, and dimethyldichlorosilane is obtained; the method comprises the following steps: pressurizing and heating a working medium of a high-pressure removal tower, and recovering condensation heat at the top of the high-pressure removal tower as a heat source of a reboiler at the bottom of the high-pressure removal tower; the high-fraction removal tower working medium is a high-fraction removal tower top gas-phase product or an independent cycle working medium; a working medium of the binary tower is pressurized and heated, and condensation heat at the top of the binary tower is recovered and serves as a heat source of a reboiler at the bottom of the binary tower; the binary tower working medium is a binary tower top gas-phase ...

Z-shape coal mining method with road driving along next goaf to top (on-dip)

Z-shape coal mining method with road driving along next goaf to top (on-dip)

This coal-mining method features boundary raise (winze), Z-shape arrangement of production system on working face and road driving along next goaf, that is, there is only one gallery along boundary raise (winze) for each mining area and others are made along working face and serve for this and next working faces. Its advantage is no coal column residual between adjacent working faces.

Data acquisition device

The invention provides a data acquisition device, and relates to the technical field of data acquisition devices. Comprising two mounting frames, a sliding rail is connected between the two mounting frames, the sliding rail is slidably connected with a collection box, and a temperature sensor, a humidity sensor, a storage battery, a first wireless transmission module and a first processor are arranged in the collection box; a mounting rack is arranged at the bottom of the mounting frame, the mounting frame is provided with a liquid collecting barrel and a wind cup, and an electronic liquid level meter is arranged in the liquid collecting barrel; the device further comprises a second processor, a control terminal and a second wireless transmission module, the electronic liquid level meter, the wind cup and the second wireless transmission module are all in communication connection with the second processor, and the first wireless transmission module and the second wireless transmission module ...

Digitally displayed automatic adhesive force instrument

The invention provides a digitally displayed automatic adhesive force instrument. The adhesive force instrument comprises a control part and a mechanical part, wherein a motor of the control part is fixed on a cross beam of a supporting framework; a rotating shaft of the motor is connected with one end of a steel wire; the steel wire hangs down after wrapping over a pulley fixed on the cross beam of the supporting framework along the cross beam of the supporting framework, and the other end of the steel wire is connected with one end of a steel wire joint connected with a drawing force sensor; the other end of the steel wire joint is connected with a preloading block through a soft drawn wire; a test sample box fixed on a test sample box base is arranged below the preloading block; the steel wire, the drawing force sensor, the preloading block and the test sample box are arranged on the same axial line; the motor is electrically connected with a control box body; and the drawing force sensor ...