Coal and gas co-production technology

Underground coal gasification is carried out under conditions of underground gasifier. That is, the gasification hole coal at one end of the gas passage of the gasification passage in the coal seam is ignited, and a gasification a

Analysis on the relationship between the rice mill color and rice milling

The color of rice is an important indicator of its quality. For consumers, rice is more white and more like it, which leads to the market price will also rise. The color of rice is affected by many factors. In addition to quality, it is also influenced by the degree of grinding o

Can a tanker make up an inner tube?

Nowadays, car repair shops are no longer the same type of car repair mode. Even the repairs are different. Some shops choose to make up, while others will make up. So, what's the difference between the different methods?

Tank tru

Talc dressing and processing method

Talc is a soft smooth non-metallic minerals, initially been used sculptures, then processed through milling, it may be used in papermaking, cable, ceramics, textiles, paints, pharmaceuticals and ot

How to calibrate the pH meter

How the pH meter needs to be calibrated is actually the best. What is the third point correction of the pH meter depends on your sample situation? As you said, there are many kinds of calibration solutions from pH 1.68 to 12.46, depending on the final pH range of the sample. Use a suitable cali