1) N-alkanes
正构烷烃
1.
Chemical composition and emission source of n-alkanes in ambient PM10 and PM2.5 in autumn in Ordos;
鄂尔多斯市秋季大气PM_(2.5)、PM_(10)颗粒物中正构烷烃的组成分布与来源特征
2.
Distribution Research of n-alkanes in PM10 on Haidian District in Beijing;
北京市海淀区大气PM10中正构烷烃的分布研究
3.
Hydrogen isotopic compositions of n-alkanes in crude oils and extracts of Upper Cretaceous from southern Songliao Basin;
松辽盆地南部上白垩统烃源岩和原油中正构烷烃的氢同位素组成研究
2) n-alkane
正构烷烃
1.
The Analysis and Significance of N-alkane in the Neogene Red-earth in Northern China;
中国北方新近系红土的正构烷烃构成分析
2.
Characteristic and Sources of n-alkanes Bound to PM_(10) in the Air of Xiamen;
厦门市大气PM_(10)中正构烷烃的污染特征与来源分析
3.
Prediction of the settling of n-alkane in diesel by thermodynamic model;
热力学模型预测低温下柴油中正构烷烃的析出
3) normal alkane
正构烷烃
1.
Use of SPE ZSM-5 for rapid isolation normal alkane fraction in crude oils;
分子筛固相萃取柱络合正构烷烃法
2.
They are identified by means of the comparison of the fingerprints of normal alkane in them,the analyses of the relative concentration distributions of normal alkane in them,the character ratios of them,and the fuzzy cluster analysis of their fingerprint information.
运用GC-FID,对船用柴机油(Y1)、船用燃料油(Y2)、CC30柴机油(Y3)、CD40柴机油(Y4)、-10#柴油(Y5)、0#柴油(Y6)进行了气相色谱分析,通过正构烷烃原始指纹、相对浓度比值分布特征、特征比值等指标以及相对浓度比值的模糊聚类分析对6种成品油进行了鉴别。
3.
Carbon distribution and content of normal alkane and isoalkane in rubber waxes are measured by using high temperature gas chromatography.
采用高温气相色谱法测定橡胶防护蜡中的正构烷烃和非正构烷烃的碳数及含量。
4) normal paraffin
正构烷烃
1.
The technology of separating normal paraffins from the naphtha through the adsorption process was studied to optimize the steam cracking feedstock and utilize the naphtha resource properly.
为了优化乙烯裂解原料并合理利用石脑油资源,将石脑油中的正构烷烃进行分离。
2.
It was found that the carbon number of the separated normal paraffins was in the range of 20-38 with relatively high purity as identified by the GC/MS data.
选用大庆减压馏分油为原料,通过超声尿素包合法准确地分离了其中的正构烷烃和非正构烷烃组分,得到了纯度较高的正构烷烃。
3.
The development of adsorbent for normal paraffin adsorption-separation in these decades is discussed in this paper.
介绍了正构烷烃吸附分离吸附剂的研制进展 ;评述了为获得不同产品 ,以不同馏分油为原料的气相、液相正构烷烃吸附分离工艺的特点、技术水平、技术经济指标及其发展状况 ;预测了正构烷烃吸附分离技术的发展方向 ,并对后续正构烷烃吸附分离技术开发提出了建
5) n-paraffin
正构烷烃
1.
N-paraffin determinat-ion in diesel oil by high temperature gas chromatography;
柴油中正构烷烃的高温气相色谱分析
2.
The combined evaluation parameter is defined from dewaxing ratio,ΔCFPP and the sum of n-paraffin whose carbon number is 20 and.
比较了各溶剂的脱蜡率、脱出的各碳数正构烷烃的质量分布和脱蜡油的冷滤点,引入了由高碳数正构烷烃脱出量、脱蜡率和冷滤点降低值三个因子组成的综合评价参数。
3.
The research developments of n-paraffins hydroisomerization were reviewed.
综述了对正构烷烃临氢异构化反应进行的研究。
6) low strait chain alkane hydrocarbon
低正构烷烃
1.
The inner stability assumption was put forward in producing chloridized paraffine 52 from liquid paraffine of low strait chain alkane hydrocarbon.
对低正构烷烃液体石蜡生产合格的氯化石蜡提出内稳定设想 ,确定了最佳的工艺条件 :液蜡预热温度 80℃ ,反应温度 80～ 1 0 0℃ ,氯气流量 80～ 1 0 0m3/h ,催化剂用量 0 0 3 % ,添加剂用量 0 3 % ,反应时间 5 5～ 6 5h ,稳定剂用量 0 1 5 %。
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