Shandong China Coal Group Instrument Branch

In order to ensure the accuracy of concrete protective layer thickness detection, testers should be proficient in the performance of the instruments they use and the degree of influence of various fac

With the advancement of technology, many gases have been applied to many fields, which has accelerated the production efficiency of enterprises. However, if a gas leak occurs during the use of the gas

The geophysical instrument uses the physical properties of groundwater such as benign conductivity, intensification effect, radioactivity and other physical properties to find information on the locat

The bipolar profile in the automatic image-forming water detector of the sky-electric geophysical survey is an equivalent color map separated by several contour lines, which is colorful and c

As we all know, oxygen is the source of people's lives. Everything is inseparable from oxygen. However, a normal human body only needs a certain concentration of oxygen, and the concentration of oxyge

There are many kinds of gas detectors, different kinds of occasions, different detection requirements, and the types of gas detectors selected are also different. Among them, the carbon dioxide detect