Based on principle of reverse osmosis and used microcomputer 89c52 as controller, an automatic detection instrument of sludge density index (SDI) of water pollution is designed.
2
基于此种原理,人们发明了反渗透膜和反渗透技术,并将其应用于水处理。
Based on this principle, people have invented reverse osmosis membranes and reverse osmosis technology, which is applied to water treatment.
3
介绍了反渗透技术的原理、特点,以及其在食品工业中的应用现状及存在问题。
The principle and features of the reverse osmosis technology are described. The application of the technology to the food industry and the existing problems concerned are discussed.