heptane是什么意思?

n.
庚烷

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  • heptane怎么读?

    heptane的音标:heptane的英式发音音标为:['hepteɪn]heptane的美式发音音标为:['hepteɪn]...
  • heptane造句

    Self - heating of two typical n - alkane ( n - heptane and n - hexadecane ) is studied by Accelerating Rate Calorimeter.研究燃油在绝热条件下的燃烧情况对实际应用中改善燃油燃烧性能,改进发动机工况等有着重要的指导意义.The heptane compound has a primary purpose as a plas...
  • heptane造句

    The heptane compound has a primary purpose as a plasticizer for doublebase propellant systems.化合物庚烷的主要用途是作为双基推进剂的增塑剂.However, it is difficult to produce multi branched i heptane and restrain its cracking.正庚烷异构化的难点在于高选择性地...
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  • “谈话的”造句

    到来的出租车的声音压过了谈话的声音。The conversation was drowned by the arrival of the taxi.我明白她谈话的大意。I follow the drift of her conversation.我仅听到他们谈话的结尾。I only caught the fag end of their conversation....
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    他们或许讨厌他的营生,但他们要想活下来必须依靠他。They may hate what he does but their survival depends on him.父母亲最想知道的是:孩子能活下来吗?The first thing parents want to know is: will the baby survive?他活下来的概率非常小。The odds against him surviving are incredi...
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  • summit例句

    As we approached the summit we were vouchsafed a rare vision.快到山顶时,我们有幸看到了难得一见的景象。Military bandsmen played music from each country represented at the summit.军乐队演奏了峰会中各与会国的音乐。Egypt had agreed to a summit subject to certai...
  • Hz造句

    In Europe, AC is usually generated at 50 Hz.欧洲的交流电输出频率通常为50赫兹。A measure of sound intensity equivalent to one decibel at 1000 Hz.一种声强的量度单位,其值等价于1000Hz1分贝.The frame rate is then 60 Hz.这时,帧速率为60赫....
  • burnished造句

    The woods today are burnished bronze.今天的树林是一片发亮的青铜色.The clouds glowed like burnished gold.云彩像被擦亮的金子一般闪闪发光。the gleam of burnished gold黄金的光泽A jet of coffee steam from the burnished caldron.咖啡的蒸气从打磨得锃亮的大壶里喷出来....
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    “猛涨”的英语可以翻译为:eak through,leap,rocket ...
  • “航程”造句

    “现在给我讲述一下你的航程吧。”——“非常乐意,先生。”"Now give me some account of your voyage." — "Very good, sir."票价包括您的飞行航程和接续的铁路旅费。Ticket prices include your flight and onward rail journey.这个港口离纽约的航程不到两天.This port is within two days'sail...
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    entertain的现在进行时为:entertaining...
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    hock的第三人称单数(三单)为:hocked...
  • grist造句

    All is grist that comes to his mill.〔谚语〕到他磨里的东西全会变成粉,他善于利用一切事物.I never refuse odd jobs to supplement my income it's all grist to the mill.我为增加收入,对于做零活总是来者不拒--多多益善.McCormick began to make his famous reaper in a grist...
  • HPFS怎么读

    HPFS的音标:...
  • grouches例句

    One of the biggest grouches is the new system of payment.人们抱怨最多的一点就是这种新的支付方式。One of my main grouches against the council is that they don't run enough buses.我对市议会不满,主要是投入营运的公共汽车不够用.Keep only cheerful friend. The gro...