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"There's been many studies that have shown that things like citronella , tea-tree oil, eucalyptus oil give very, very poor protection," Doggett says. Some of them only give protection for five minutes and they give a false sense of security to people ...

昆虫学家Stephen Doggett说，有许多研究表明香茅、茶树油、桉树油等只能提供很小的保护，它们中的一些只提供大约5分钟的保护，但是它们给人们一种错误的安全感。

Reductive conversion of geraniol to citronellol is adopted as a model reaction, and several factors in the reaction are discussed using gas chromatography method. The influence of n-hexane and butyl acetate, as organic solvents, on biocompatibility was studied; the influence of methanol, ethanol, glycol, n-butanol and 1-hexanol, as energy substance, on the transformation efficiency was compared, respectively; the catalysis capabilities of Baker's yeast, XST-KO yeast, LP yeast, alcohol yeast, dry yeast, Saccharomyces cerevisiae, Angel yeast and Meishan yeast were discussed. It has been proved that biocompatibility of n-hexane are much better than that of butyl acetate, and the hexane has been demonstrated the most effective in terms of the influence on biotransformation, Baker's yeast has shown the highest tranformation efficiency among the eight yeast strains.

以香叶醇转化为香茅醇作为模型反应，通过气相色谱法进行定性和定量分析研究了影响该有机相生物转化反应的几个基本因素，考察了两种有机溶剂正己烷和乙酸丁酯对生物相容性的影响，选用甲醇、乙醇、乙二醇、正丁醇和l-己醇分别作为能量物质进行实验，比较其对转化的影响并探讨了Baker's酵母、XST-KO酵母、LP酵母、酒精酵母、假丝酵母、干酵母、安琪酵母和梅山酵母八种不同酵母作为生物催化剂对模型反应的催化能力，结果表明，正己烷作为有机溶剂，其生物相容性明显好于乙酸丁酯，更加有利于该生物转化反应进行；乙二醇作为能量物质，该模型反应转化率最高；而 Baker's酵母作为生物催化剂，对该模型反应的催化能力最强，最适合作为该模型反应的催化剂。

From a letter to the editor of a city newspaper.One recent research study has indicated that many adolescents need more sleep than they are getting, and another study has shown that many high school students in our city are actually dissatisfied with their own academic performance.

最近一项调查研究表明，许多青少年需要得到比他们现在更多的睡眠；另一项调查表明，我市许多高中生实际上对他们自己的学业并不满意。

All the contents you created will be both shown on the city page and your personal page, and can be read by every users on Citiport.

及您的个人页面里，与所有的使用者一起分享

One by one, the new men are shown to their cells and locked in with a CLANG OF STEEL.

一个接一个的，随着铁门的咣铛声，新犯们被关进各自的号房。

One by one, the new men are shown to their cells and locked in wit h a CLANG OF STEEL.

一个接一个的，随着铁门的咣铛声，新犯们被关进各自的号房。

Secondly, the PLD device characteristic is shown, such as classify, technics and structure.

第二章介绍了PLD的分类、工艺和结构特点，以及FPGA的开发环境、开发流程和Verilog语言的特点。

Having been shown around the library, we came to the classroom building.

我们参观了图书馆后，我们来到了教学楼前。

They were shown and guided on how to techniques of widening and opening in order to shape the clay on the pottery wheel.

他们首先观看了延展和打开的技巧演示用以将陶艺转轮上的泥土塑造出形状。

As shown in analytical calculation, the predicted ground displacements are in good agreement with the measured values; and this method is applicable for the clayey soil from flow-plastic state to stiffness state.

算例分析表明：所给出方法的计算结果与实测值较吻合，适用于从流塑～坚硬状态的所有黏性土。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。