Introduction to soil drill

Soil sampling is the pre-work in soil quality testing. Before carrying out related testing items, the first step is to use soil drills to obtain representative soil samples for testing. Among them, the soil drill is a sampling tool specially developed according to the particularit.......

The role of intercooler on supercharged engine


When the air is compressed by the supercharger, the temperature rises, which is a basic physical principle. How much does the gas temperature increase after pressurization? This depends on the operating conditions of the supercharger. The higher the speed, the greater the boost pressure, .......

Chemical industry finds new ways to save water

In the summer, the oil and chemical industries, which are hot and the heat of the industry's large water consumption, must calmly face the pressure of how to ease the shortage of water resources and actively seek new ways to effectively realize the comprehensive utilization of water resour.......

Volkswagen Pure Electric Light Commercial Vehicle - eT Concept



A few days ago, Volkswagen introduced a pure electric light commercial vehicle, transport and logistics research project, eT Concept. This light commercial vehicle can become a future mail and parcel delivery vehicle, and it can also achieve zero emissions.


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Detailed unit conversion of concentration

Detailed explanation of unit conversion of concentration (I) Solution concentration Solution concentration can be divided into three categories: mass concentration (such as mass percentage concentration) and volume concentration (such as molar concentration, normal concentration) and volume con.......

Audi "Zero Recall" Gearbox Failure Confirmation Case

Some consumers complained that Audi, the luxury car brand with the highest sales volume in the Chinese market, had problems with burning oil, leaking oil, and transmission failures. It communicated with Audi through a variety of methods, including Audi dealer .......