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The requirement for the detection of harmful gases in confined spaces is that the multi gas detector must be detected in advance. Before personnel enter, the components of gas in the confined space mu

Recently, with the official approval of the State Intellectual Property Office, Shandong Carter Intelligent Robot Co., Ltd., a subsidiary of China Coal Group, has added a trademark registration certif

On the afternoon of August 27th, Li Hairong, member of the Party Group of Yijinhuoluoqi Investment Promotion Center, Zhao Long, director of the Investment Promotion Office, Wang Fengxia, deputy direct

On August 22, National Safety Production Fushun Mining Equipment Testing And Inspection Center Zhang Hongfu, National Safety Production Beijing Mine Support Equipment Testing And Inspection Center Exp

Errors in radiometric measurements. Sensitivity and background of Radiation Detector. The main source of errors in radiation detector measurements are: 1. Instability of equipment parameters.

On August 18, a batch of mining single hydraulic prop equipment is loaded in the intelligent equipment manufacturing workshop of China Coal Group, and will be sent to a mine in Shouyang County, Jinzho