片断的

Based on the addition of vinyl magnesium bromide to the chiral non-racemic synthon 2 derived from-1, an enantioselective total synthesis of-3, the antipode of marine alkaloid halitulin 10 steps, overall yield: 5.3% from (R-1 was achieved using aza-Claisen rearrangement as a key step.

取得的主要结果如下：一、从-苯基甘氨醇1出发，通过已知的哌啶手性合成砌块2的加成反应，建立了经aza-Claisen重排反应进行海洋生物碱halitulin手性分子片断的对映体--isohaliclorensin 3不对称合成的路线。

All young photographers who are at work in the world, determined upon the capture of actuality, do not know that they are agents of Death.- Roland Barthes

那些在世界各地工作，一门心思想要截取所谓"现实的片断"的年轻的摄影师，他们根本不知道自己是死亡的代言人。

We studied a maxillary fragment of tarsier and revealed that tarsiers had already achieved gigantic orbits and bell-shaped palate by the time of middle Eocene.

对于眼镜猴上颌骨片断的研究表明，中始新世的眼镜猴已经具有了如同现生眼镜猴一样的钟形腭和明显增大的眼眶。

One thing is constant: these pains and joys are all fragmentary, they cannot be truly described or expressed, they cannot be multiplied or rendered. They can be felt but not described, understood only tacitly. They are utterly shattered, not a single piece unbruised.

有一点是相同的，这里所有的烦恼和快乐都只能是片断的，都无法真正的述诉和表达，都无法繁衍和给予，都只可意会不可言传。

Species can be distinguished by differences intheir DNA profiles. RAPD and ITS-RFLP patterns are useful for identification offalcate-spore Colletotrichum.

因此，RAPD扩增带型和ITS片断的酶切图谱对弯孢炭疽菌种的鉴定是非常有用的。

For example,.join concatenates all the items of pieces in a single gulp, without interposing anything between them.

例如，。join在一个单独的gulp里连接所有片断的条目，在他们之间没有任何的提？

The workshop is also the internship base for students in TV department and provides various service to students, such as making of personal CDs of opusculum, mini drama and resume.

平时该工作室不仅可为学生制作自己的小品、小型剧目、片断的光盘，而且也可制作个人简历和介绍的资料光盘。此外，可为同学们提供学校各种大型活动、期末汇报、剧目汇报及学生们在各电视台制作节目的影视资料。

The names to be included in the list are on scraps of paper and business cards.

这些被包含在这明细中的名字是片断的文件以及事务的卡片。

The thickness of the work piece decreased with distance from the centre because of the higher compressive plastic stress state in the centre region compared to the outer part during the loading stage and the elastic recovery during unloading.

工作片断的厚度在中心区域减少了以从中心的距离由于更高的压缩塑料重音状态与外部在装货阶段期间和有弹性补救比较在卸载期间。

The primary purpose is for including material such as XML fragments, without needing to escape all the delimiters.

主要目的是为了在不转义所有的定界符的情况下包含诸如XML片断的材料。

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％。