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What is the first step in the reaction of E+ with PhH Compare it with the first step in the addition to an alkene.

答： E+与 PhH的第一步反应是什么试与烯的加成反应比较。

Vitamin E, Pearl, Aloe, Mint, Allantoin, Natural Compound Fresh And Cool

维他命E，珍珠，芦荟，薄荷，尿囊素，天然复合清凉剂

Vitamin E helps shield skin from environmental assaults while moisturizing Allantoin stimulates healthy tissue formation.

维他命 E 有助于保护肌肤免受环境伤害，保湿尿囊素可以刺激健康组织的形成。

No.36 in e major,op.67,no.6,lullaby,allegretto non troppo

36号E大调，作品67号之6，《摇篮曲》，不过分的小快板

Abstract］ Objective: To explore the significance of allergen and serum total immunoglobulin E test in anaphylactic purpura.

摘要］ 目的：探讨过敏原与血免疫球蛋白E浓度在过敏性紫癜中的临床意义。

XYZ/E is a temporal logic system as well as a programming language.It can represent almost every kind of significant features in conventional imperative languages.

XYZ/E既是一个时序逻辑系统也是一个程序设计语言，它能表示普通高级语言中几乎所有的重要机制。

Amazons Kindle, by comparison, does best in direct light, since its E Ink screen is reflective, like a piece of paper.

与之相比，亚马逊Kindle在光线直射的情况下表现最佳，因为它的E Ink屏幕是反光的，就象是一张纸一样。

They say they did this by stopping interaction between amyloid and a protein known as apo E.

他们说他们通过apo E停止amyloid和蛋白质之间的相互作用。

Cloning of the Schwanniomyces occidentalis α-amylase and high expression in S.cerevisiae.The E.coli / yeast shuttle plasmid YCEpl partial library of Schwanniomyces occidentalis DNA was constructed and α-amylase gene fragments were screened in Saccharomyces cerevisiae by amylolytic activity.Several transformants with amylolysis were obtained and one of the fusion plasmids has about 5.0 kb inserted DNA fragment.It contains the upstream and downstream sequences of α-amylase gene from S.occidentalis .

以E.coli/yeast穿梭质粒YCEp1为载体构建西方许旺酵母部分基因组文库，在大肠杆菌中扩增后提取混合质粒DNA，经电转化非缺陷标志酒精酵母 AS.2.1364，在YPDS平板(含1%葡萄糖和1%可溶性淀粉)上用淀粉水解活力筛选含水解淀粉的阳性转化子，从阳性转化子中分离重组质粒证实含5.0kb的插入片段，用α-淀粉酶基因两端序列设计的引物PCR扩增及扩增片段序列分析证实该片段中含有α-淀粉酶全部编码序列。

Carefully constructed from two photographs( ISS020-E-038481, ISS02-0E-038482) taken duringspace shuttle orbiter Discovery's latest visit to the orbiting outpost, the 3D anaglyph creates thecompelling illusion that you can actually reach out and take hisgloved hand.

这张影像来自两张照片（ ISS020-E-038481， ISS02-0E-038482），都是在发现号最近国际空间站之旅拍摄，3D 立体影像让人有一种强烈的感觉，伸出手来就能抓住他的手。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。