查询词典 oxide

Process comprising contacting initiator with alkylene oxide in the presence of hydrogen fluoride and a double metal cyanide complex catalyst.

一种方法，其包括说明书摘要在氟化氢和双金属氰化物复合催化剂存在下使引发剂与亚烷基氧化物接触。

A process for preparing alkylene glycols including reacting an alkylene oxide with water in the presence of a combination of additives and an anion exchange resin, wherein the combination of additives comprises carbon dioxide and an organic or inorganic base provided in an amount sufficient to maintain a pH of the reaction mixture between about 5.0 and 9.0, with the proviso that, when the base is bicarbonate or carbonate, then the anion exchange resin is a trimethyl benzyl ammonium anion exchange resin.

制备亚烷基二醇的方法，包括让烯化氧与水在添加剂组合和阴离子交换树脂存在下进行反应，其中添加剂组合包括二氧化碳和以足以保持反应混合物的pH值在约5.0和9.0之间的量提供的有机或无机碱，前提条件是当碱是碳酸氢盐或碳酸盐时，阴离子交换树脂是三甲基苄基铵阴离子交换树脂。

The ordinary allotrope, called white phosphorus, is a poisonous, colourless, semitransparent, soft, waxy solid that glow s in the dark and combusts spontaneously in air, producing dense white fumes of the oxide P4O10; it is used as a rodenticide and a military smokescreen.

其普通的同素异形现象为「白磷」，是无色有毒、半透明和柔软的蜡状固体，在黑暗中可发光，暴置于空气中可自燃，形成白色浓烟状的氧化物；用于灭鼠剂和军用烟幕。

The ordinary allotrope, called white phosphorus, is a poisonous, colourless, semitransparent, soft, waxy solid that glows in the dark and combusts spontaneously in air, producing dense white fumes of the oxide P4O10; it is used as a rodenticide and a military smokescreen.

其普通的同素异形现象为「白磷」，是无色有毒、半透明和柔软的蜡状固体，在黑暗中可发光，暴置于空气中可自燃，形成白色浓烟状的氧化物；用于灭鼠剂和军用烟幕。

The catalytic effect of basic lithium phosphate on the preparation of allyl alcohol by isomerization of propylene oxide was studied in this dissertation.

本论文主要研究了碱性磷酸锂在环氧丙烷异构化制烯丙醇反应中的催化作用。

The isomerization reaction of propylene oxide to produce allyl alcohol catalyzed by basic lithium phosphate was studied.

研究了环氧丙烷在碱性磷酸锂催化作用下异构化生成烯丙醇反应过程，考察催化剂的制备条件，异构化温度对催化性能的影响，以及催化反应机理和动力学特性。

That's just aluminium oxide that the sunlight is scattering from.

这只是三氧化二铝的阳光是从。

Special aluminum oxide is one of the advanced material in the world today.

特种氧化铝是当前世界上正在发展的新材料之一。

This corundum type of gem is formed from a variety of aluminum oxide.

这刚玉类宝石的形成，从多种氧化铝。

The results showed that the anodic aluminum oxide is a better substrate for the fluorescence enhancement.

发现有机分子的荧光光谱线型的改变与有机染料分子周围环境的改变有关。

Anna: No, I've got a hangover.

不是，我昨晚宿醉了。

We head into the mountains in Su's new Land Cruiser, stop for lunch at a scenic restaurant and then hang around drinking beer and eating fruit as two of his employees attempt to lure the birds with a tape recording of the fowl's mating call.

我们坐上苏的巡逻车向山顶出发，在一家风景优美的餐馆吃了中饭。然后我们喝着啤酒吃着水果四处逛。