Steric相关论文
The IGC 50 (50% inhibitory growth concentration) values of 27 nitrobenzenes were determined for the population growt......
A quantitative structure-activity relationship (QSAR) of a series of benzothiazole derivatives showing a potent and sele......
A novel metal organic compound of Zn2+ coordinated with 4,5-diazafluorene- 9-one-N2 (C22H12N6) has been synthesized unde......
The quantitative adsorption behavior of a hyperdispersant onto nano-TiO2 particles has been characterized by using FTIR ......
Multiple Effects Tailoring the Self-organization Behaviors of Triphenylene Side-chain Liquid Crystal
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
卟啉类试剂质子化常数的测定对于研究其显色性能有着重要的意义。用光度法测得两种四苯基卟啉衍生物的表观质子化常数,探讨了取代......
以十二烷基二甲基叔胺与环氧氯丙烷为原料,合成中间体(2,3-环氧丙基)十二烷基二甲基氯化铵,再进一步合成含酯基位阻季铵盐阳离子表面活......
采用XRD和TPD技术对两种不同模板剂合成的β沸石(F-β沸石,W-β沸石)进行了孔结构的表征.通过实际体系烷基化反应活性评价和加速失......
以醋酸为溶剂、浓硫酸为催化剂在120℃回流24h,通过傅克反应设计合成了一种大体积位阻型9,9-二芳基芴中间体[9-(4-苯胺基)-9-苯基芴]......
以氯代叔丁烷、镁、四氢呋喃为原料,采用格氏法合成叔丁基二苯基氯硅烷。考察反应物料配比、反应温度、反应时间、催化剂种类等对合......