Kjeldahl analysis of residue protein in wine

As we all know, protein is the highest component of the composition of the organism, the most important component, the most important biological macromolecule, is an important nutrient indispensable for the human body, accounting for about 20% of body weight, and closely related to t

The ladder price reform plan has passed the State Council's deliberation

“In the first half of this year, ladder prices will be fully implemented at home, and the ladder tariff reform plan has been reviewed and approved by the State Council. By then, the provinces will formulate plans to advance respectively.” On March 7, Peng Sen, deputy director o

6-S shaker

1. The structure of the 6-S shaker is shown in Figure 1. The bed is eccentrically connected, and the bed is covered with rubber or glass steel, and the wood groove is painted. According to the bed surface type, it is divided into two types: mineral san

Security monitoring camera different installation angle difference

The security monitoring cameras have different effects from different installation angles. In practice, the best way is to install the flat angle. It can show more details of the face. It is recommended that the maximum viewing angle should not exceed 15 degrees. When the on-site environment