醚

Guagzhou Chenliji Pharmaceuticel Factry,Guangzhou,Guangdong 510180）Abstract To establish a method for the identification of storax and the determination of cassia acid in storax by HPLC. Methods: TLC and HPLC were applied.

HPLC在适当的条件下，采用色谱峰检出法，TLC采用硅胶GF254薄层板，ψ(石油醚∶正己烷∶甲酸乙酯∶甲酸)=10∶30∶15∶1为展开剂，荧光及硫酸乙醇喷雾两次检出；定量采用ODS C18色谱柱（4.6 mm×150 mm×5μm），流动相：ψ=58∶42∶0.3，检测波长271 nm，流速：1 mL/min。

During spontaneous breathing with 5% sevoflurane and 100% oxygen,upper airway dimensions and stridor score were recorded.

在用5％七氟醚和100％氧气进行自主呼吸的过程中，记录上呼吸道范围和喉鸣情况。

Forms a thioether bond with the sulfhydryl group in the active center of the enzyme.

与酶活性中心的巯基形成硫醚键。

The bulk and solution photopolymerization of vinyl butyl ether were studied using diph-enyl-4-thiophenoxyphenyl sulfonium salt as photoinitiator.

以二苯基-4-苯硫基代苯基硫鎓盐为光引发剂，研究了乙烯基正丁醚的本体和溶液光聚合。

Carboxymethyl dimethyl sulfonium chloride as a novel aquatic feed attractant was synthesized with chloroacetic acid, methyl sulfide and in solvent free system.

运用无溶剂合成方法，利用较低成本的氯乙酸为原料与二甲硫醚反应，合成新型水产动物诱食剂——氯化羧甲基二甲基锍。

Compared with sevoflurane, propofol administrationduring suprarenal aortic clamping and unclamping led to modulationof markers of inflammation and decreased NF B expression.

与七氟醚相比，丙泊酚在嵌夹肾上主动脉期间可调节炎症因子并降低 NF-KB 的表达。

The effects of the food additive butylated hydroxyanisole and the antibiotic Norfloxacin on swordtail fish were measured by considering a number of parameters, including glutathione S\|transferase, catalase, 7-ethoxyresorufin-o-dealkylases and malondialdehyde contents.

研究了叔丁基对羟基茴香醚(butylated hydroxyanisole， BHA)和诺氟沙星(norfloxacin， NFLX)对剑尾鱼的急性毒性及其肝脏谷胱甘肽硫转移酶、丙二醛、过氧化氢酶及7-乙氧基异吩恶唑酮-脱乙基酶活性的影响。

An efficient and new method for the synthesis of symmetrical dibenzyldiselenides is described.

这是一种非常有效的合成二硒醚的新方法。

Dihydrosafrol is mainly used to synthesize piperonyl butoide which is a widely used insecticide synergist.

二氢黄樟油素主要用于合成高效、用途广泛的农药增效剂———胡椒基丁醚。

Reactions of 5-amino-lH-pyrazoles with aromatic and aliphaticα-bromoacetophenones, followed by acid-mediated iminative cyclization and the ensuing tautomerization, produced methylthio-imidazolo[1,2-b]pyrazoles 6a-6g.

咪唑并[1，2-b]吡唑甲硫醚类化合物经过室温下H_2O_2/CH_3COOH温和氧化，得到咪唑并[1，2-b]吡唑甲基亚砜类化合物7a-7g。

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。