n-alkane 烷烃 ; 正构烷烃 ; 链烷
n-alkane stock oil 正构烷烃基础油
ester-n-alkane system 酯正烷烃体系
Carbon number distribution of n-alkane 正构烷烃碳数分布
n- alkane 正构烷烃
n-alkane series 正构烷烃系列
n-alkane cracking 烷烃裂解
n alkane distribution 正构烷烃分布
The test results of 30 samples collected in 4 wells indicate that the abundance and extractable contents of organic matter in the coal measures are both high, n alkane possesses odd even predominance;
口井30 余块样品测试结果表明，煤系有机质丰度及可抽提有机质的量都较高；正构烷烃具明显奇偶优势；
The contact angles of formamide on the carbon fibres under n-alkane were measured by means of electrobalance and the surface free energy and its components of the fibres were obtained.
用电子天平法，以正烷烃-甲酰胺-炭纤维体系间接地求得了炭纤维的表面自由能及其分量。
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