Is the mountain climbable?
这座山能攀登 吗 ?
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With this restricted frequency range it is not applicable to hydrocarbons.
这个较紧缩的频率范围不适用于烃类.
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During incomplete combustion some of the hydrocarbon fuel is cracked.
在不完全的燃烧中,一些烃燃料裂解.
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These compounds range from hydrocarbons through various oxidation products.
这些化合物从烃类到多种氧化物.
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A hydrocarbon was known to be either an alkene or alkane.
某碳氢化合物已知可能是烯烃或是烷烃.
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Not all accumulations of hydrocarbons are necessarily the result of hydrodynamics.
并不是所有烃类的储集都必然是水动力的结果.
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The benzenoid hydrocarbon are all nonclassical and, thus potentially aromatic.
苯环型烃都是非经典烃, 因此,可能是芳香烃.
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Humic acids are usually regarded as polymers of aromatic compounds.
腐殖酸通常被看作是芳烃化合物的聚合物.
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With the higher olefins, stabilization of the energetic intermediates occurs more easily.
在较高的烯烃情况下, 高能的中间物稳定作用更易出现.
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They are sometimes difficult to differentiate from aromatic or olefinic absorptions.
有时它们就难于和芳香族或烯烃的吸收峰相互区别.
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Hydrocarbous are thus trapped and cannot escape either updip or vertically.
因此烃类被圈闭,无论在上倾方向或垂直方向都不能散失.
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Plants are sensitive to the simple olefins, particularly C 2 H 4.
植物对简单烯烃是敏感的特别是乙烯.
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This may well hold good for any limited series of related hydrocarbons.
这种关系在一些有关烃类的有限系列中可能适用.
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The hydrocarbon must be an alkene.
这个碳氢化合物必定是烯烃.
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The feed reactants can be alkadienes, cycloalkadienes.
所加的反应物可以是二烯烃 、 环二烯烃.
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