成块

To the preparation of the side chain, we exploit Sharpless Asymmetric Epoxidation, Grignard reagent epoxide opening and selective hydroboration reaction as key steps.

在探索制备手性六元环的过程中，发展了一种高效制备手性砌块49的方法，并利用乙烯基格氏试剂对49的不对称Michael加成制备了手性六元环56。

She had decorated it as carefully as her graduate school budget would allow, which wasn't much, but at least she had managed to paint the walls a pale yellow, install a space-saving Murphy bed in the far wall, and place some comfy floor cushions around an extra-fluffy shag carpet she'd found on clearance in a remnant store.

以她读研期间有限的财力来说，她已经算是精打细算，尽力去布置了，至少现在墙壁漆成了淡黄色，为节省空间在最里面的墙上按了折叠壁床，并在尾货商店清仓处理时弄来一块特别松软的长绒地毯，周围还摆放了几块舒适的坐垫。

The emblem of the city is the Golden Roof – a covered alcove balcony with 2,657 firegilded copper shingles. It was constructed under Emperor Maximilian I around 1500 by the court architect Niclas Türig, and is unique for its type in Europe.

城市的标志是黄金屋顶-上面带有一个阳台的凉亭镶嵌有2657块镀金的铜片，是在1500年Maximilian第一帝国时由皇家建筑师Niclas Türig设计而成的，它以独一无二的风格闻名于欧洲。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。