On the one hand, lithium giant Ningde era IPO 24 days rushed meeting, refresh the IPO will be recorded; on the other hand, Jianruiwo can re-release the shareholder reduction announcement, while predicting a loss of more than 300 million yuan in the first quarter of this year. It is important to kn

Introduction: Gates and opening and closing equipment play a very important role in water conservancy and hydropower projects. How do we maintain and maintain them? Hydraulic metal structure equipment is one of the important equipment in water conservancy and hydropower engineering. In th

According to the national automobile production and sales data provided by the CLUCC, sales of domestic SUVs (excluding imported cars) in the fourth quarter of 2017 reached 3.147 million units, which represented a sales advantage of more than 920,000 units compared to compact cars, further consoli

The process of the PC ceramic filter includes the formation of the filter cake, the dewatering of the filter cake, the filter cake removal and the backwashing treatment. The work of the PC ceramic filter is completed by the control of the PLC, which has two automatic/manual control modes. Manually

1 Overview In the production of coal mines, mining, excavation, each transport step will generate a lot of dust. There are two main aspects of dust hazard: First, the harm to the human body. If a person's lungs inhale a large amount of mineral dust for a long time, they may suffer from pneumoco

Bentonite mining technical conditions project Claim The minimum thickness of the layer mineral recoverable 1 to 2 m Minimum stone thickness Not less than 1 m Open pit mining elevation Generally not less than 50 m below the erosion reference plane Open stripping ratio Not more than 4:1 Th

LED explosion-proof emergency light integrated and split type how to choose Explosion-proof metal halide lamps as an example: Standard configuration: When the battery is 6 amps, the 35 watt emergency takes about 90 minutes and the 70 watt emergency takes about 45 minutes, which means the dischar

1. Advanced technical methods for mining low-grade ore deposits (1) Leaching mining technology Leaching mining is a mining method based on physical and chemical principles and chemical processes, using certain chemical solvents and microorganisms to selectively dissolve, leach and recover useful c

Overview: With the continuous development of modern electronic technology, precision electronic devices are widely used in the operating systems of computers and communication networks in various industries. These high-precision microelectronic computer devices incorporate a large number of CMOS s

Under the background of the intensive environmental protection policies, the water treatment industry is booming, and the subdivided areas have ushered in comprehensive benefits. The rapid development of the film industry is becoming a new growth pole in the water treatment industry. In order to pro

As the weather becomes warmer, pest activity has begun to become more frequent, and the breeding pests are the first to endanger various crops. Therefore, in order to keep the crops away from pests, ensure that they can thrive and lay the foundation for the harvest of high yields. This t

The magnetic separator of the mineral processing equipment is equipped with a magnetic declination indicating device on the shaft head on the transmission side, and the adjustment angle of the magnetic system can be adjusted by moving the adjusting nut. Adjusting the magnetic declination of the magn