Hot gas fire extinguishing principle
JHS hot aerosol automatic fire extinguishing device activates the solid fire extinguishing agen…
Yunmei Energy plans to raise 900 million yuan to acquire Kunming Steel Mine
Yunnan Coal Energy Co., Ltd. ("Yunnan Coal") an…
The pressure of building paints is on the rise but it is on the rise
Coatings are a kind of building materials, mainly composed o…
China's machinery industry trade deficit mainly comes from Japan, Germany and South Korea
According to the statistics of China Machinery Industry Federation, from January to October …
Dynamic discussion on multi-elastic oscillation system
1 The kinetic equations of the system have the same N spring oscillators connected in series o…
Accelerate the optimization and upgrading of industrial structure. Xuchang City focuses on cultivating five strategic emerging industries such as superhard materials.
In order to implement the spirit of the Opinions of the Municipal Party Committee and the Mu…
The state will cooperate with Henan Province to build ten engineering laboratories such as superhard tools.
With the approval of the National Development and Reform Commission, the state will jointly …
Part of the floor business crisis
LCD monitor market shipments show demand for new year's stocking
According to WitsView's global top ten LCD monitor brand…
Advances in research and application of underwater welding technology (2)
The water curtain type underwater welding method was first proposed by Japan. The welding s…