aid-coagulation

基本解釋

It means to give the most-needed and timely aid.
它的意思是給予最需要的及時的幫助。
I'm collecting money in aid of starving children.
為幫助饑餓的孩子們，我正在搞募捐。
She used slides as a teaching aid.
她用幻燈片作教學(xué)工具。
They offer financial aid with no strings attached.
他們無條件提供財務(wù)援助。
Under optimal conditions of poly-aluminium chloride, addition of 6 mg/L PAM as an aide coagulant only raised alga removal rate by 3%.
在聚合氯化鋁最佳混凝條件下;投加聚丙烯酰胺助凝試驗;發(fā)現(xiàn)添加6mg/L的聚丙烯酰胺只使除藻效率在原有基礎(chǔ)上提高3%25.