The buffering principle and application of buffering agent were introduced. 著(zhù)重敘述了緩沖劑原理及應用。
This paper studied the pulping method in which ammonium sulfite with urea as buffer agent was used for cooking rice straw. 本實(shí)驗首先研究了以尿素為緩沖劑的稻草亞硫酸銨法制漿工藝。