吖嗪染料

A new convenient and general one-step route for preparing azines by treating aromtic aldehydes and semicarbazide with anhydrous zinc chloride as catalyst is described. 吖嗪是用途很廣泛的化合物,如作染料,光敏物質(zhì),聚合單體,另外它們還是加成反應(yīng)的母體化合物。

The effects of soil property,especially the amount of soil organic carbon,on irreversible adsorption of pesticides were observed in the study of irreversible sorption of Azin. 利用土壤柱液相色譜多級(jí)吸附/脫附法研究了保棉磷、敵草隆、莠去津和撲草凈在土壤中的不可逆吸附及其影響因素。

雜志

n.懶惰

n.瘋狂