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The logic behind this phenomenon is that chromosome condensation prevents the activity of RNA polymerases.

对这一点的解释一直是：染色体凝缩限制了RNA聚合酶的活性，但对芽殖酵母所做的一项研究表明，事实并不是这样的。

This optimization eliminates unnecessary recompilations and prevents the need to change a dependent object's time stamp.

这项优化措施避免了不必要的重新编译，也不会改变依赖对象的时间戳。

Hyperglycemia results when insulin deficiency leads to uninhibited gluconeogenesis and prevents the use and storage of circulating glucose.

胰岛素缺乏引起不可控制的糖异生并阻止循环中糖的利用和储存，此时会导致高血糖的出现。

The fusible metal prevents premature rupture disk failure from momentary over pressurization and also

易熔金属防止了由于瞬间过压造成的破裂盘的太早失效。

The fusible metal prevents premature rupture disk failure from momentary over pressurization and also protects the disk from external corrosion which could cause premature failure of the rupture disk.

易熔金属防止了由于瞬间过压造成的破裂盘的太早失效。它还防止了导致破裂盘的太早失效的外部侵蚀。

According to Mohammad Moallem, a director of the Khouzestan Seafood Cooperative, the losses in employment are devastating and the recovery of the Abadan shrimp industry would take a number of years at least since the disease prevents any farm from resuming activity for at least two years.

据一家企业负责人说，失业造成的损失是很大的，养虾业的恢复还需要许多年的时间，至少要等病毒得到防治后两年才能恢复养殖活动。

A new method was presented that adding the dust-adhering bar into the drilling hole in coal seam can decreases the infused water's surface tension and prevents vaporization for improving the infusion effect.

提出了在煤层注水钻孔中，添加具有降低注入水表面张力和防止水分蒸发双重功效的粘尘棒，提高注水效果的新方法。

In the Australian Capital Territory , the child destruction offence prohibits behaviour 'occurring in relation to a childbirth and before the child is born alive' that prevents the child from being born alive or contributes to its death.

在澳大利亚首都直辖区，摧毁犯罪行为禁止孩子'就发生了分娩和孩子出生前活着的孩子从出生到妨碍或有助于其死活着。

F0f-Fqwww.ozchinese.com * In the Australian Capital Territory , the child destruction offence prohibits behaviour 'occurring in relation to a childbirth and before the child is born alive' that prevents the child from being born alive or contributes to its death.

在澳大利亚首都直辖区，摧毁犯罪行为禁止孩子'就发生了分娩和孩子出生前活着的孩子从出生到妨碍或有助于其死活着。

In the clay-rich B horizon below the leached layer iron compounds accumulate, staining the layer brown and forming an impermeable hard pan that prevents drainage.

淋溶层 A 的下方为富含粘土的淋溶层 B ，该层积累含铁化合物，使得此层为棕色，并形成一个不透水的坚硬板层，阻止了水的排出。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。