Industrial and chemical processes ranging from brewing to polymerization depend on delivery of accurate quantities of gases or liquids. It is possible to measure rates of delivery in terms of either ...
Developed in the 1960s, mass flow devices are important components in systems that generate the specialty gas standards needed to calibrate a wide range of instruments that analyze gases. Mass flow ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果