1 Introduction
With the increasing global environmental pollution, stringent testing of water quality (drinking water, discharge water) and foods has gradually become important. A new type of analytical instrument that automatically and continuously detects the anions, cations, and heavy metal ions in wa.......
Dandong full-scale integrated water processor [full-filter integrated water processor] Shijiazhuang Yingdu Environmental Protection Equipment Co., Ltd. filter-type water processor automatic full-range water processor sewage full-scale water processor petroleum full-range water treatment in.......
The Volvo Ocean Race from 2014 to 2014 ended successfully. The Dongfeng Team representing China, a fleet formed from scratch, unexpectedly won third place in the overall rankings, refreshing the history of the world’s top international sailing regatta. Good .......
2 The inverse function calculation method sets the cam contour curve equation to h=, generation, = edge.
Among them, 7 is the period, and its inverse function is household 9 because the stepping motor is a pulse motor, and each pulse is equivalent to a pulse equivalent, so the discret.......
Recently, the Guangzhou Municipal Commission of Commerce officially issued the "Notice of the Nansha District Administrative Committee of the Guangdong Free Trade Zone on the Pilot Project of Automobile Parallel Imports in the.......
On the 12th, the US Department of Commerce announced the final ruling and found that there were dumping and subsidies for passenger cars and light truck tires imported from China.
The US Department of Commerce issued a state.......