In recent years, the LED lighting industry in Europe, the United States, Japan and other places has become increasingly mature, and the competition in China's domestic market has become more and more fierce, entering the era of scaling up and price. The establishment of the ASEAN Community and ......
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The breakthrough in localization and independent innovation of power grid equipment and technology depends on breakthroughs in core raw materials, industrial control technologies, and optical fiber sensing technologies. An important direction of these technologies is special optical fiber, special ......
According to foreign media reports, Tesla CEO Musk had disagreements with Chinese government officials on the terms of the policy of building factories in China and tried to “tempt†Trump to implement automobile trade protection policies in the United States. Musk said on Twitter on T ......
At present, in the optimization design of the bag filter, the selection of the filter material and the optimization of the cleaning method are mainly studied for the uniformity of the airflow of the bag filter. The domestic research on this aspect is mainly the use of computer fluid dynamics. The so ......
The hydrocyclone is a more effective fine-grain grading device currently in use. The construction of the hydrocyclone is relatively simple, as shown in Figure 3-2, with a cylindrical portion at the upper end and a conical container underneath. The slurry is fed into the cyclone at a certain speed (g ......
Once an accident occurs in the hole during construction, it is difficult to deal with it according to the type and material condition of the accident. Generally, the following methods and steps can be used: The first step: lifting, hitting, shaking, fishing, punching, catching, sucking, sticking, s ......
Dephosphorization of the iron ore, mainly in the following process: Anti-flotation Selective agglomeration ------- reverse flotation Selective flocculation--------de-sludge--------reverse flotation Reverse flotation -------- re-election Also wish to roast --------- magnetic separation High-sha ......
Manganese ore beneficiation flotation process and processing technology, manganese ore beneficiation methods, China's manganese ore beneficiation technology most of which are low grade ore, beneficiation processing must be carried out. But because the majority of manganese ore is a fine-grained ......
With the booming development of the new energy vehicle market, the policy dividend is gradually weakening, but the guiding role of it is far-reaching. The New Deal of New Energy Vehicle Subsidies announced in 2018 before the Lunar New Year can be seen that the government is using more flexible pol ......
A few days ago, some media reported that American consumers have filed lawsuits against Kobe Steel and Toyota Motor Co., accusing them of violating consumer protection laws and concealing the use of substandard metal parts in vehicles. This class action lawsuit was the first lawsuit filed by the ......