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Mortality at each stage is expressed by k-values which are derived from logarithms and can be summed to give total mortality

每一阶段的死亡率用k值表示，k是通过对数函推导出来的，并且可以相加得出总死亡率。

Since the Km〓 gene of pCS4 and pCS11 was derived from the mesophile plasmid pUB110 and coded for a thermolabile protain, it conferred Km〓 phenotype on the host cell at 48℃ only. Mutant Km〓 gene was obtained by selecting for Km〓 phenotype at elevated growth temperature. In this way improved vectors pCS5 and pCS12 were obtained, which can be used at 65℃ by Km selection.

利用提高培养温度后选择卡那霉素抗性表型的方法，从编码不耐热蛋白质的卡那霉素抗性基因出发，得到了提高其耐热性的突变的卡那霉素抗性基因，从而改造了CS4和pCS11，得到了适用温度达65℃的改进的载体质粒pCS5和pCS12。

The ban on its use and its potential adverse effects in humans, necessitated a robust and reliable analytical method for determination of residues of MG in tissues derived from aquatic animals , which can be used in the control of this drug .

由于对它禁用及它对人类的潜在不良反应，一种耐用的和可靠的能够确定水生动物组织中MG残留的分析方法便成为必要，这种方法可以用于对此种药物的控制。

The integration of the methyl group of methylamine, based on the internal standard of the methylene group of ethanol, was measured and from which the amount of methylamine in the solution as well as the time that required can be derived.

以乙醇的亚甲基为内标，测量各种溶液情况下甲胺碳峰的积分值，可以判断该溶液甲胺所含的重量，以及达成某浓度所需通气时间。

Results derived from this paper can be used to 3D measurements of objects with a small scale and 3D positioning in micromanipulation, and microassembly.

研究的结果可用于小尺度对象的三维信息测量和微操作、微装配中的三维定位。

Linear minimal model derived from model MMM was showed to be better than the physiological model developed by J.

模型LMM是一个较好的可利用OGTT数据评估胰岛素敏感性和分泌功能的数学模型。

It has been shown that the major computational task is to identify all of the frequent itemsets that may have negations from which rules with negations can be derived.

挖掘带否定的关联规则是一个非常困难的问题，其中主要的计算量来源于要找出所有的频繁广义项目集及其支持度。

It should be noted finally that the Maronites use the Syrian St. James with a few very slight modifications, and that the Nestorian, Byzantine, and Armenian Liturgies are derived from that of Antioch.

应当指出，最后认为，马龙派教徒使用叙利亚圣雅各福群会与数很轻微的修改，并认为景教，拜占庭，和亚美尼亚liturgies是来自指出，安提。

The thought of "ruin" of the Zen enlightens his art. He presents the process of the valuable things falling to ruins, which means to challenge and overthrow all of the metaphysics and significances by a destructive power. The courage of negation comes from the nihilistic enthusiasm and can be derived to the ambition in the Nietzschean times which defies all the things constructed on the base of tradition, authority and valid value.

他把有价值的东西在毁灭的过程中展现出来，这有如一股巨大的破坏力，去颠覆、去推翻一切形而上学、一切"有"的意义，否定的胆量来自于虚无主义的躁动，来自于尼采那种藐视所有建立在传统、权威以及任何特定有效价值之上的东西的勇气，虚无主义成为他艺术思想的策源地。

Food materials may be stored in a special tissue derived from the nucellus, called the perisperm.

营养物质可以贮藏于由珠心产生的一种特殊组织，叫外胚乳。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。