I. Overview
The mining area is located in Wuhua County, Guangdong Province.
The mine was discovered in 1958 and began to be mined. In 1959, it was returned to the state. To build the …
Analysis of Accuracy Solution and Integral Method for Multi-sound Ultrasonic Flowmeter
1. Foreword: With the global shortage of energy and water resources, a num…
Green and safety are people's eternal pursuit of agriculture. In order to eat safe and healthy agricultural products, consumers attach great importance to the safety of agricultural production and pay close attention to the environment of crop production. Therefore, from the …
1, the outer edge of the wear phenomenon: If you observe the direction of travel, there is a greater wear on the outer edge of the tire, …
The lubricating oil on the truck is the most frequently used consumable at the time of maintenance. And those with high-quality lubricating oil on the truck, not only can well pro…
Sewage suction trucks must be completed without the assembly of various accessories. Each of the accessories on the sew…
Advances have been made in the field of high sensitivity and selectivity of trace gas detection by the Institute of Optics and Electronics of the Chinese Academy of Sciences: Using optical cavity ring down, combined with a pulse quantum cascade laser covering a wide spectral rang…
The problem of carbon deposition is the most common and most troublesome issue for car owners. The formation of carbon deposits i…
The critical number of revolutions of various ball mills is proporti…