成对的

The second method dealt with the acylation of(2S)-1-amino-3-chloro-propanol Salts in the presence of triethylamine.

通过正交实验对该方法噁唑烷酮环形成反应的条件进行了优化。

This research has investigated the effectivity and feasibility of the group psychological tutorship on the youth with internet addiction.

目的 探讨团体心理辅导对改善青少年网络成瘾的有效性及可行性。

Objective To study the effects of transfection of tyrosine kinases on the tumorigenesis of nasopharyngeal carcinoma.

目的：研究酪氨酸激酶转染对鼻咽癌细胞成瘤的影响。

The unrest stunned people everywhere in China, who later took umbrage at Western media coverage of the events.

中国各地都感到不安，并在随后转化成对西方媒体报道的不满和愤怒。

Some organs, such as the stomach, heart and liver, are unpaired, or single.

某些器官，如胃、心和肝没有成对，或者说是单个的。

If an ion contains unpaired electrons , it is called a radical ion.

如果离子含有未成对电子，它被称为激进的离子。

Showed that there were direct coupling between unpaired d electron in Mo and H orbitals.

结果表明Mo未成对电子主要处于Mo的d轨道，并与H原子轨道发生直接偶合作用。

Objective:To evaluate MRA and TCD Value in vertebral Artery.

目的 ：评价核磁共振和彩色多普勒对椎动脉成像的价值。

Wushu can be practiced solo, paired or as a group, barehanded or armed with ancient Chinese weapons.

武术可以是孤单，练习，成对或作为一个 barehanded 或武装与古代中国武器的组。

Two kinds of tough curing agents were respectively prepared by using epoxy-oleic methyl ester and epoxy-oleic capryl ester as termination agents of epoxy-amine adduct.

本文选择环氧油酸甲酯和辛酯，分别对环氧树脂—多胺加成物的端胺基进行封端改性，得到了封端改性固化剂G-甲酯和G-辛酯。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。