片断的

Objective To determine the invasive ability of recombinant attenuated Salmonella typhimurium X4064（pQEM1）strain containing gene fragment of Plasmodium falciparium merozoite surface protein 1 （MSP1）,the stability of its plasmid, and its re-expression.

目的 检测含恶性疟原虫裂殖子表面蛋白1基因片断的重组减毒鼠伤寒杆菌X4064(pQEM1)的入侵宿主能力，所含质粒的稳定性和再表达能力。

These two methods were used together in this study to pinpoint where on a polypeptide chain the nonpolar segments occur and where initial folding takes place and then propagates to the final folded form.

这两种方法合起来运用到研究中，可以查明肽链上非极性片断的位置、最初折叠发生的地方，和最终折叠形成的形式。

The steps you take to create clips depend on the type of track you use.

创建片断的步骤取于你使用的轨道的类型。

Just as in the primeval soup, it is all replicas of a particular bit of DNA, distributed throughout the world.

正象在原始汤里的情况一样，它是DNA的某个具体片断的全部复制品，这些复制品分布在整个世界上。

At zygotene,t he SC formation initiated at multiple sites in each bivalent but the regions nea r telomeres were preferred.SCs were shortened with development of SCs.Initiation of new SC and extension of existing SC occured simultaneously,and pairing in di fferent bivalents of a nucleus was not synchronised.

结果表明，小麦SC以多点式起始方式于偶线期开始形成；随SC的发育，新的SC形成和已有SC片断的延伸并存；此外，在同一核内不同二价体之间，染色体配对和SC形成并不同步；SC成熟于粗线期，而以破碎方式解体，消失于双线期。

Mobile and online airings of matches and highlights showed growth as well, but most fans apparently chose TV as the favored means of enjoying the tournament.

比赛以及精彩片断的移动和网络播放也都有所发展，不过很明显，电视依然是绝大多数球迷享受比赛的最爱。

Methods Three conventional indices of sleep fragmentation ,PTT arousals and epworth sleepiness scale have been compared.

对三项常规判断睡眠片断的客观指标：脑电图微觉醒指数、呼吸暂停低通气量指数、氧减指数和反映嗜睡的主观指标ESS评分，同PTT微觉醒指数进行比较。

In the last part, we fulfilled the synthesis of taxol CB-ring system.

第三部分我们完成了官能化的Taxol CB环片断的合成。

Deletion of attribute references, subscriptions and slicings is passed to the

对属性引用、下标和片断的删除会作用到相关的基元对象。

In the second part, a fully functionalized C-ring synthon was synthesized by asuccessful use of a known intramolecular Diels-Alder reaction.

第二部分我们运用一已知分子内DielS-Alder反应成功地进行了官能化的Taxol C环片断的合成。

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％。