置换

Improving virtual memory page replacement can reduce page fault rate,and therefore improve the performance of the system.

改进页面置换算法，可以降低页面失败率，从而有效地提高系统性能。

The development of a theory is equal to a conscious representation under a conditionof the context metathesis.

理论的创新发展问题就是语境置换条件下理论的自觉呈现问题。

Therefore, it isthe emphasis to enhance the thermal stability and improve their tolerance of rutheniumcarbene complexes in olefin metathesis at present.

因此，提高钌卡宾配合物的稳定性，改善其对较强配位能力官能团容忍性是目前烯烃交互置换反应研究的重点。

Historically, metathesis reactions were limited to molecules without important functional groups.

在此之前，置换反应通常只局限于非重要功能团的分子之间。

The catalytic performance of complex 41 has been investigated.Complex 41 proves to be an excellent catalyst for cross metathesis reaction of 1-butenewith isomerized octadecene.

研究了配合物41催化的1-丁烯与异构化后十八烯的交叉交互置换反应，证明配合物41是性能优良的催化剂。

OBJECTIVE: To observe clinical result and effect of cervical disk replacement on adjacent level in middle and long term.

目的：观察颈椎人工间盘置换后中期效果及对相邻节段间盘的影响。

And Mr Chirac promptly gave the prime ministership to Dominique de Villepin, an exponent of anti-Americanism in its most self-indulgent form.

希拉里在公投之后马上将总理的位置换成多米尼克·德维尔潘---自我放任型的反美拥护者。

Objective To summarize the experience of 561 cases of valve replacement after dosed mitral valvotomy.

文章摘要：目的报道561例二尖瓣闭式分离后行瓣膜置换术的经验。

Objective: To investigate effects of ulinastatin on TNF-α, IL-8 and IL-6 in patients of mitral valve replacement.

目的 探讨乌司他丁对二尖瓣置换患者血浆TNF-α、IL-6、IL-8水平的影响。

Mitral valve replacement is a method to treat serious mitral valve disease.

二尖瓣置换术是外科治疗严重二尖瓣疾病的一种常用方法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。