1. The working pressure of the vacuum pump should meet the ultimate vacuum and working pressure requirements of the vacuum equipment. For example, the vacuum coating requires a vacuum of 1×10-5 mmHg, and the vacuum of the vac.......

The mold incubator is a kind of incubator, mainly for cultivating organisms and plants, and setting corresponding temperature and humidity in a closed space, so that the mold grows out in about 4-6 hours, as artificially speeding.......

Chemical fertilizers can help farmers increase production and income, but poor use may cause big troubles, not only adversely affecting crops, but even toxic and harmful substances may appear. Some fertilizers should be used with caution on vegeta.......

A few years ago, in most industrialized countries such as the United States, Europe and Japan, the operating system of packaging machinery has undergone a major change, from the traditional relay mechanical control method to the .......

Compared with the ball mill, the dry ball mill has the following structural features:

The diameter of the ball mill cylinder is about three times its length. The self-grinding machine r.......

The chopping machine is a key equipment in the production process of meat products. It can not only chop the main raw materials such as meat, minced meat and fat, but also diced the vegetables, and at the same time, other raw mat.......