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The devices of sandwiched structure were prepared by compounding poly[2-methoxy-5-(2-ethyl-hexyloxy)-l,4-phenylene vinylene] with SiO_2. The thickness of MEH-PPV of these devices are different. We found the suitable frequency of drive voltage to obtain the greatest brightness. The device of cascade structure was prepared based on this work.

采用共轭高分子聚2-甲氧基-5-(2′-乙基-己氧基)-1，4-亚苯基亚乙烯基与SiO_2制成夹层结构器件，研究了不同发光层厚度的器件的发光特性，发现长波峰的发光强度随驱动电压频率的增大而增强、短波峰的发光强度随驱动电压频率的增大而减弱，进一步分析了其机理。

ResultWhenthe mass concentration of ethyl acetate extract was1mg/ml,the antifungal effectof Woodwardia japonica was best withthe antifungal rates onthe2fungi of R.cerealis and A.sol ani being88.8% and100% resp.

结果乙酸乙酯相萃取物的质量浓度为1mg/ml时，狗脊蕨的抑制效果最好，对小麦纹枯病菌和番茄灰霉病菌2种菌的抑制率分别为88.8%和100%，海金沙抑菌效果次之，对2种病原菌抑制率分别为73%和76.8%。

The DDGS high protein feed, is remains after the zymotechnics production corn ethyl alcohol solid keeps the thing.

DDGS高蛋白饲料，是以发酵法生产玉米酒精后的固体剩留物。

The DDGS high protein feed, is remains after the zymotechnics production corn ethyl alcohol solid keeps the thing.

DDGS高蛋白飼料，是以發酵法生産玉米酒精後的固體剩留物。

After it introduced the zymotechnics biology hydrogen technology technical process which was instructed under the ethyl alcohol fermentation biological hydrogen theory, it also elaborated the biological hydrogen water treatment automatic control system structure drawing and the control plan. It has carried on the detailed introduction to the lowest level entire production control process. It is including the mix regulating reservoir automatic control return route, the biological system hydrogen reactor temperature, the PH value control loop, the tired of the oxygen reactor temperature, the PH value control loop, need oxygen response pond control loop, sedimentation pond control loop, the biological hydrogen examination return route and so on..

在介绍了乙醇型发酵生物制氢理论指导下的发酵法生物制氢技术的工艺流程之后，又论述了生物制氢水处理自动控制系统的结构图和控制方案，并且对最底层的整个生产控制过程进行了详细介绍，包括了混合调节池自动控制回路，生物制氢反应器的温度、PH值控制回路，厌氧反应器温度、PH值控制回路，好氧反应池控制回路，沉淀池控制回路，生物制氢间氢气检测回路等等。

It can also provide good specimen in cardiovascular learing.Perchloroethylene ethyl acet ate plastics filler perfusion is a good technique in making specimen.

该方法能够制作出完整的心脏动脉铸型和局部房室结动脉铸型，标本利于观察分析血管走行及分布，并为解剖实验学习心血管课程提供良好的铸型标本。

Pesticides were extracted from sample with ethyl acetate in an ultrasonic bath, then determined by gas chromatography-mass spectrometry operated in negative chemical ionization mode and quantified in selective ion monitoring mode, and ethion was used as an internal standard.

蔬菜水果样品用乙酸乙酯超声提取，以乙硫磷为内标物，采用GC-NCI-MS的选择离子监测方式进行定性和定量分析。9种有机磷农药的方法检测限为0.12～1.0 μg/kg。

In this study, three model compounds of urea-formaldehyde resin, such as methylene diurea, Uron and tetrahydro-5-ethyl-2(1)-s-triazone, were synthesized.

本工作合成了脲醛树脂模型化合物亚甲基二脲、Uron和5-乙基-2(1)-s-四氢三嗪酮，并测定了它们在pH=4和80℃温度下的水解率。

Methods: M-acetaminphen was used as an internal standard, and alkalinized samples of plasma were extracted with ethyl acetate.

以间乙酰氨基酚为内标，血浆样品经碱化后，用乙酸乙酯提取。

METHODS: Fluoxetine and internal standard clozapine were extracted from plasma with ethyl acetate after being alkalized by sodium carbonate saturated solution.

以氯氮平为内标，血浆样品用饱和碳酸钠溶液碱化，经乙酸乙酯振荡萃取后，进样分析。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。