The penetration law of a solution of calcium chloride, water glass and sodium succinate into dust is determined by the forward permeability test.
采用正向渗透试验方法测定了氯化钙和水玻璃溶液添加丁二酸钠后溶液在粉尘介质中的渗透规律。
2
A glass optical waveguide (OWG) hydrogen chloride gas sensor was fabricated by coating a thin film of CR-PVA on the surface of ion-exchanged glass OWG with spin coating.
用匀胶机将其做成薄膜固定在钾离子交换玻璃光波导表面，研制出一种光波导氯化氢气体传感器。
3
Here is a way to prevent underground oil storage tank from permeation of water, in which glass steel and polyvinyl chloride film are used to serve as damp-proof lining.