The change in the field means that the industry is shuffling, and the vertical milling machine market has experienced a new baptism since last year. Large manufacturers still feel that there is a crisis in survival, not to mention the difficulties faced by small bu…

Jiangsu version compulsory two 6.1 "Synthesis and decomposition of curvilinear motion" ppt 1. Movement characteristics (1) Speed ​​direction: The speed of the particle at a certain point, along the _ direction of the point on the curve. (2) Nature of movement: For object…

Hemoglobin extraction and separation course pilot 1. Summarize the basic principles of gel chromatography, electrophoresis, etc. to separate large molecules. 2. According to the phenomena and results in the process of gel chromatography, it can evaluate whether the experimental operation proces…

BILON® brand HL series fully enclosed high and low temperature circulation device is the most advanced refrigeration and heating integrated temperature control device in China, and the whole machine complies with EU standards. Widely used in petroleum, chemical, electronic instruments, …

In recent years, water purifiers have gradually entered thousands of households and become the protector of safe drinking water. The editor here recommends to everyone the 3M water purifier from the …