First, the form of electrical hazards Due to the harsh natural environment and geological conditions, the underground electrical equipment is frequently started, the load changes greatly, the voltage fluctuation is large, the equipment is burnt due to overload, short circuit, electric leakage, elec
Thiourea, also known as sulfurized urea, has the molecular formula SCN 2 H 4 , white glossy rhombohedral hexahedron, bitter taste, density of 1.405 g / cm 3 , soluble in water, aqueous solution is neutral. Thiourea is low in toxicity, non-corrosive, and has no damage to the human body. The thiourea
ç‘žå°¼_Hebei Hengshui 4G explosion-proof law enforcement recorder brand recommendation The passenger transport center is a distribution center for transportation. The concentration of people is intensive, and the traffic conditions are relatively changeable. Aiming at the current status of
The auto parts industry is over 11 trillion yuan in size, and there is a huge potential for independent brands. From 2011 to 2015, the global auto parts market benefited from the rapid growth of the Chinese market, which increased from 9.9 trillion yuan to 11.2 trillion yuan. Among them, the
[ Chinese instrument network depth ] The measurement is not far from our life. In the family, the water meters and meters used by us are all measuring instruments. In the past, as the drawbacks of the mechanical water meters became increasingly apparent, the nation’s wave of replacement of
Recently, the General Administration of Quality Supervision, Inspection and Quarantine has joined hands with the China Quality Inspection Association to carry out the theme activity of “Product and Service Quality Integrity Commitmentâ€. At this event, Jiangsu General Technology Co.,
table of Contents Chapter I General Provisions Chapter II Planning and Prevention of Geological Hazards Chapter III Prevention of Geological Hazards Chapter IV Emergency Response to Geological Disasters Chapter V Geological Disaster Management Chapter VI Legal Liability Chapter VII Supplement