Treatments of pyrylium salts with various nucleophilic reagents allows the production of a host of functionalized derivatives . 如果各种亲核试剂与吡喃盐反应，就可制取许多种带官能基的衍生物。
A different structure change, the effect of which has been examined, is the size of the ester group in a series of alkyl methacrylates . 已经考查过的结构变化的影响是甲基丙烯酸烷基酯系列中酯基的体积（尺寸）
It follow therefore that the steric blocking effects of substituents are reflected in adverse kinetic, rather than thermodynamic factors . 由此可以看出，取代基的主本阻碍反应，是反映在违背动力学因素而不是热力学因素。
It was in this manner that teroro, bearing in his hands the rock of pere, stepped ashore to become the compassionate and judicious priest of havaiki . 蒂罗罗双手捧着佩丽的神石下了船，从此，他成了夏伐伊基的仁慈贤明的祭司。
Kirsty : have you seen vicky ' s mother lately 基施蒂:最近有没有见过维基的妈妈？
State philosophy or individual philosophy ? - on texts of 对印尼建国五基的文本解读
Cultural interpretation and transcendence of vytgosky 维果茨基的文化解读与跨越
Insulating materials based on mica methods of test 以云母为基的绝缘材料试验方法
Shake table test on pile foundation in saturated sand 饱和砂土中桩基的振动台试验
Contradiction and conflict in home dependence homesick poems 试论刘基的怀乡诗
