丁烷

Butane also happens to be flammable like many other quick evaporating liquids like alcohol.

丁烷碰巧也是易燃的，这正如其他许多易挥发的液体例如酒精。

Immediately, butane turns to gas and disappears into the atmosphere.

随即丁烷立即变成气体，消失在空气中。

This standard is valid throughout the EU and examines a fabric's reaction to a burning cigarette and butane flame.

此标准在欧洲有效，用于测试织物对燃烧的香烟和丁烷火焰的反应。

However, it is OK to use Olay Definity Mousse Cleanser even though it contains butane.

但是，可以使用玉兰油的焦点系列洁颜慕斯洗脸，即使它含有丁烷。

It seems that the small butane torches are a controlled item, due to being stolen by addicts who use them for smoking drugs.

看来，小丁烷火炬是控制项目，由于被盗的成瘾谁使用他们的吸烟药物。

Buying a new butane soldering torch was a challenge.

购买一台新丁烷焊炬是一个挑战。

ABSTRACT In this dissertation, the alkylation process of isobutane with butene over β zeolite were studied, which includes the characteris...

本文主要研究了不同方法改性的β沸石催化剂在超临界条件下异丁烷和丁烯的烷基化反应规律，并与气相、液相条件下的反应结果进行了比较。

The alkylation of isobutane with butene is very important for the production of reformulated gasoline;however,the severe equipment corrosion and environmental hazards are involved in the current alkylation technology.Therefore,some novel alternative technologies are desired.

异丁烷和烯烃烷基化反应对新配方清洁汽油的生产具有重要意义，而目前的烷基化工艺存在严重的设备腐蚀和污染问题，因此亟需新的替代工艺。

The isobutane/butene alkylation reactions over a solid acid catalyst were carried out under liquid phase and supercritical conditions respectively.

分别在液相和超临界两种反应条件下进行了固体酸烷基化催化剂的烷基化反应，并以超临界异丁烷流体对失活催化剂进行了再生。

Study on Alkylation of Isobutane with Butene over WO3/ZrO2 Strong Solid Acid Ⅱ.

篇名 WO3/ZrO2固体强酸催化剂上异丁烷／丁烯的烷基化反应Ⅱ。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。