Titanium dioxide nanoparticles were prepared by a electrochemical reduction method using para-meters such as current den......

Thirteen novel phenoxysulfonylureas derivatives were synthesized, and their structures were confirmed by MS, NMR and ele......

Grignard additions to a quinoxalinium salt were studied. Depending on the ratio of thereagents and reaction temperature,......

The title complex 1·THF has been synthesized by the reaction of [HO-4,6-di-tBu- C6H2-2-CH2{CH(iPrNCHCHN)}]Cl with NdCl3......

用日本岛津ＡＧ－２０００Ａ毛细管流变仪，研究了自制的杂环取代联苯型聚醚酮的流变行为。求出了表观流动活化能，考察了巴氏效庆和非牛顿行为，对其加工......

合成了由肼基二硫代甲酸苄酯和2-乙酰基吡嗪缩合的新型杂环含硫席夫碱配体,及其与Zn(Ⅱ)、Mn(Ⅱ)的双螯合配合物,通过质谱、元素分......

选择20种脂肪族及杂环化合物作为模型污染物，分别测定了三种不同纳滤膜对脂肪族及杂环化合物的截留率．结果表明，脂肪族及杂环化合物的......

The three title compounds were prepared from 2-phenylaminomethyl-3H-1,2-dihydro-1-pyrrolizinols via an intramolecular Fr......