heptane是什么意思？

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...

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

“幼形纲”的英语可以翻译为：Larvacea ...

n.谷类植物，谷物，粮食，荞麦食品adj.谷物的，谷物制成的...

“任意地”的英语可以翻译为：[法] at random，arbitrarily，discretionarily ...

The priestly caste does not normally intermarry with the warrior caste.教士阶级通常不与武土阶级通婚.If you don't do better than that you'll get it in the neck from Mr. Priestly.如果你搞不好,那么你就会受普里斯特利先生的重罚....his priestly duties....

detaches的音标：...

“左位心”的英语可以翻译为：[医] levocardia，sinistrocardia ...

n.同质异晶（现象）...

在多数语言中，形容词的阳性和阴性的拼法略为不同。In most languages adjectives have slightly different spellings for masculine and feminine.在威尔士语和爱尔兰语中，表示“月亮”的词是阴性的。In both Welsh and Irish the word for "moon" is of feminine gender.所有的常规超声或造影为阴性的患...

他是由海军上将精心挑选出来担任这项工作的。He was hand-picked for this job by the Admiral.精心搭配的室内装饰似乎已不再受欢迎了。Interior decoration by careful coordination seems to have had its day.打造成功企业的关键之一就是要精心策划。One of the keys to successful business is ca...

现在付钱，否则不行。Pay now, or nothing doing.不付钱很难瞒过检票员的.It'll be difficult to get past the ticket collector without paying.他很愿意照我的要价付钱.He's quite willing to pay the price I ask....

In actuality, Teddie did not have a disorder but merely a difficult temperament...实际上，小特迪并非哪不正常，而仅仅是属于困难型气质。For motion is nothing else than the reduction of something from potentiality to actuality.运动只是将事物的潜在性变为现实性而已.Thi...

antiphony的音标：antiphony的英式发音音标为：['æntɪfənɪ]antiphony的美式发音音标为：['æntɪfənɪ]...

I'm quite deaf — you'll have to speak up.我耳背——你得大声说。If you thought that wasn't fair, why didn't you speak up?如果你认为那不公平, 为什么不说出口?If you have any complaint, don't just sulk ; speak up.你有意见提出来, 不要闹 ...

“减声器”的英语可以翻译为：[机] muffler，anti-rumble，antisqueak，ato-muffer ...

Its definitions, generally sound and often discriminating, are at times truly Johnsonian.它的定义是通常的发音并经常是有识别力的, 却有时真的是约翰逊流派的....