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A novel technology for remediation and improvement of soil was provided along with a new approach for waste recycling.

Continuous totalizing automatic weighing instruments is widely used in many industries, and need to be tested under different conditions especially for different temperature, humidity and electrical disturbance. Usually this kind of weighing instruments are very large and can not be put into such test environments, thus a test sample without belt conveyor is needed. Due to the working principle of continuous totalizing automatic weighing instruments, the test sample may include not only essential part of weighing instruments such as load cell, indicator, and load receptor, but also a device to simulate the displacement of the belt. In the paper, a device that can simulate the velocity of the belt is researched, it can generate square pulse signals to the test sample, thus the sample can operate as normal belt weigher. The configuration of the device is discussed and example is given to show its effectiveness.