Yuanfar held 2022 employee autumn training meetingIn order to further guide all employees to learn and inherit the spiritual connotation of China's excellent traditional culture.
Polymorphism Hydrazine has toxicology 1. Acute toxicity: MEDIAN lethal dose (rabbit, vein) 25mg/kg, highly toxic, strongly erodes skin and impedes enzymes in the body. Acute poisoning can damage the central nervous system and, in most cases, lead to death. It mainly affects the metabolism of carb
Energy is the most essential cause that drives all things. Whether it is the driving of the ground car or the flying of the rocket/aircraft, it is simply a process of obtaining kinetic energy in the form of some energy conversion! The engine of a car simply uses the energy generated by rotation to d