LAS 表面活性剂简写式()
LAS 表面活性剂简写式()
相关考题:
废水监测报告中常出现COD、SS、LAS污染因子符号,其含义分别为()。A、化学需氧量、悬浮物含量、阴离子表面活性剂含量B、化学需氧量、悬浮物含量、阳离子表面活性剂含量C、化学需氧量、浊度、阴离子表面活性剂含量D、生化需氧量、浊度、阳离子表面活性剂含量
简支梁下部纵向受力钢筋伸入支座的锚固长度应符合下列哪项()A、当KV>Vc时,las≥10d(带肋钢筋)B、当KV>Vc时,las≥12d(带肋钢筋)C、当KV>Vc时,las≥15d(带肋钢筋)D、当KV>Vc时,las≥20d(带肋钢筋)
单选题废水检测报告中常出现COD、SS、LAS污染因子符号,其含义分别为()。A化学需氧量、悬浮物含量、阴离子表面活性剂含量B化学需氧量、悬浮物含量、阳离子表面活性剂含量C化学需氧量、浊度、阴离子表面活性剂含量D生化需氧量、浊度、阳离子表面活性剂含量
单选题In context, which of the following is the best revision of sentence 17 (reproduced below)?And, it’s safer and more reasonably priced than Las Vegas or Nashville with some of the same assets.A(As it is now)BAnd, even though it is safer and more reasonably priced than Las Vegas or Nashville, it has some of the sang assets.CAnd, because it is safer and more reasonably priced than Las Vegas or Nashville, it has some of the same assets.DHowever, it is safer and more reasonably priced than Las Vegas or Nashville, and it also has some of the same assets.ELastly, Branson is safer and more reasonably priced than either Las Vegas or Nashville, but has some of the same assets.
填空题洁尔灭是()离子表面活性剂,AEO、OP是()离子表面活性剂,LAS是阴离子表面活性剂,BS-12是两性离子表面活性剂。