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There is more methane,ethane, isobutane and isopentane in shaly limestone than in marlite.

泥灰岩比纯灰岩所产体中含有更多的甲烷、乙烷、异丁烷和异戊烷。

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Objective To establish a method of breath-butagas testing of mental patient.

目的建立一种精神病人丁烷的检测方法,用诊断精神病患者。

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The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

酸钠和溴代正丁烷为原料,合成了正正丁醇缩

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The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催化剂可分为两类,过渡金属双功能催化剂和过渡金属氮化物、碳化物和碳氧化物催化剂。

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The operation pressure of debutanizer was unstable since a light hydrocarbon recovery unit had been put into use.

某轻烃回收装置自投用来,脱丁烷塔操作压力一直不稳定。

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AP 听力 2019年4月合集

New York city police says a man was arrested after entering St. Patrick's cathedral with cans of gasoline, lighter fluid, and butane lighters.

纽约市警方说,一名男子携带汽油罐、打火机液体和丁烷打火机进入圣帕特里克大教堂后被捕。

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人类星球

What happened was, the balloon took off, the butane gas has been cold overnight, and the burner was cutting out.

刚才气球起飞后,经过一夜,丁烷气的温度很低导致引擎熄火。

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化学 Crash Course

They're not structural isomers like n-butane and i-butane, instead, they're what we call cis-trans isomers.

它们不像正丁烷和异丁烷那样的构造异构体,们所说的顺反异构体。

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Crash Course 综合篇

For example, n-butane boils at -0.5 degrees Celsius while isobutane boils at -11.7 degrees Celsius.

例如,正丁烷的沸点为 -0. 5 摄氏度, 丁烷的沸点为 -11. 7 摄氏度。

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界奇趣图谱

And finally hash oil, which can be created using a variety of solvents like butane, to extract the resinous material from the marijuana plant's flowers.

最后大麻油,可以通过各种溶剂如丁烷来提取大麻植物花中的树脂物

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Worldwide Exchange

That includes propane, ethane and butane, which are used for everything from plastics to cosmetics, antifreeze, detergent, home heating, barbecues and more.

括丙烷、乙烷和丁烷,它们被广泛应用于从塑料到化妆品、防冻剂、洗涤剂、家庭取暖、烧烤等各个领域。

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Modern Wisdom

And so- Is Bupropion to get people to- Well, butane, yeah, it's an antidepressant that also seems to work.

所以——文拉法辛用来帮助人们… … 嗯,丁烷,对,它一种抗抑郁药,似乎也有效。

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Mind Pump: Raw Fitness Truth

Yes, and most aerosols that you have have butane in it and have a lot of these crazy chemicals.

的,且你拥有的多数喷雾剂中都含有丁烷,并含有大量些令人担忧的化学物

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Crash Course 综合篇

This is called normal butane or n-butane.

称为正丁烷或正丁烷

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Crash Course 综合篇

They're not structural isomers like n-butane and i-butane. Instead, they're what we call cis-trans isomers. These have the atoms in the same positions on the molecule, but the atoms are oriented differently in space.

它们不像正丁烷和异丁烷那样的结构异构体。相反,它们们所说的顺反异构体。些分子中的原子在分子中的位置相同,但原子在空间中的取向不同。

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Crash Course 综合篇

Count up the carbons, 1-2-3 if you count that chain, 1-2-3-4 if you count this one so it's a butane derivative.

数一下碳,如果你数那条链, 则为 1-2-3, 如果数此链, 则为 1-2-3-4, 因此它丁烷衍生物。

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Crash Course 综合篇

If we wanted to give a technical name for it, isobutane would be 2-methylpropane.

如果们想给它一个技术名称, 异丁烷 2-甲基丙烷。

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Crash Course 综合篇

So the number of atoms is butane only allows for 2 isomers, n-butane and isobutane.

所以原子数丁烷只允许2种异构体, 正丁烷和异丁烷

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Crash Course 综合篇

Things get more interesting, though, with the next alkane, butane, C4H10, because there are two different forms of it.

不过,对于下一个烷烃丁烷 C4H10, 事情变得更加有趣,因为它有两种不同的形式。

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Crash Course 综合篇

This is called isobutane or i-butane.

称为异丁烷或异丁烷

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Crash Course 综合篇

And even though it has the same chemical formula as n-butane, its structure gives it different properties.

尽管它与正丁烷具有相同的化学式, 但其结构赋予了它不同的特性。

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Crash Course 综合篇

Earlier, I introduced you to isobutane, a compound with four carbons that are not all in a chain.

早些时候,向您介绍了异丁烷一种具有四个碳原子的化合物, 些碳原子并不全部位于链中。

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Crash Course 综合篇

They call that isobutane and it is an isomer of butane, but according to these all important rules of nomenclature, it's not actually any sort of butane at all.

他们称其为异丁烷, 它丁烷的异构体,但根据所有重要的命名规则, 它实际上根本不丁烷

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Crash Course 综合篇

Though, since the second carbon is the only place where the methyl group can go without the molecule, once again becoming butane, properly proper chemists just drop the two and call it methylpropane.

虽然,由于第二个碳甲基可以在没有分子的情况下离开的唯一位置,再次变成丁烷, 适当的化学家只放弃两个并称之为甲基丙烷。

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