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- After the decarboxylation process the alkane produced can be degraded or "cracked" =to lower carbon number alkanes. 脱羧基作用后，所形成的烷烃能被降解或“裂解”成低碳数烷烃。
- The results show that lnH of alkanes and aro-matic hydrocarbons decreases with the increase of solute carbon number and solvent carbon number. 结果证明：亨利系数随着溶质碳数和溶剂碳数的增加而减少。
- The results showed that the biodegradability of PAEs decreased with the increase of the carbon number of alkyl chain. 结果表明,邻苯二甲酸酯的好氧生物降解性随烷基链含碳数的增加而降低;
- Olefine of higher carbon number (C>8) was determined with electrolyte having catalytic action by Coulometry. 当油品中含有较多C_8以上烯烃作库命分析时,建议使用具有催化作用的电解液。
- After the decarboxylation process the alkane produced can be degraded or "cracked" =to lower carbon number alkane s. 脱羧基作用后，所形成的烷烃能被降解或“裂解”成低碳数烷烃。
- The effectiveness and efficiency of AEEC in decreasing surface tension was increased with the increase of carbon number. 随着疏水基碳链的增加 ,AEEC的 CMC降低。 并且在所测定的温度范围内 ,log CMC与疏水基碳链长度成线性关系。
- Additionally, it can be used for determining carbon number distribution of wax, paraffin in petrochemical products, and varions hydrocarbons. 利用仪器的系统配置还可以开发出其它适用于石化领域的分析方法，提高了仪器的利用率。
- The long chain alkyl benzenes in six samples show an even carbon number predominance ranging from C16 to C20 in carbon number. 样品中长链烷基苯在C16-C20?围内具有较明显的偶碳优势。
- The effectiveness of pour depressing depends on the constituent of crude oil,such as wax,distribution of wax carbon number,resin and asphaltene. 原油中蜡的含量、蜡的碳数分布以及原油中的胶质、沥青质均会影响降凝剂的效果,此外降凝效果还取决于降凝剂的分子结构。
- The results show that most of gasoline olefins are in low carbon number and the effect of GOR-Q catalyst on decreasing gasoline olefin is obvious. 结果表明:GOR-Q催化剂具有明显减少催化汽油烯烃(主要为小分子烯烃)含量的效果。
- The lubricity of hydrocracked diesel fuel in the presence of carboxylic acids with carbon number of 18 was investigated by using high-frequency reciprocating rig (HFRR) test. 摘要 以高频往复试验机(HFRR)评价柴油润滑性能,考察了碳数为18的不同羧酸对加氢裂化柴油润滑性的影响。
- The carbon number range or the peak carbon number of normal alkanes in crude oils shift backuard and the light/ heavy hydrocarbons ratio show decreasing trendtion. 这些变化与原油在驱替过程中的自然色层吸附作用机理和原油中各种组分的相互作用关系有关。
- The models lumped reactants into three lumps including C6, C7 and C8+.Each carbon number lump was divided into normal-paraffin, iso-paraffin, naphthene and aromatics. 改进后的模型将重整物料分为C6、C7和C8+，每一个碳数的化合物又划分为正构烷烃、异构烷烃、环烷烃和芳烃4个集总，裂化产物C5-作为一个集总。
- The composition and distribution of the carbon number of n-alkane can reflect the source of organic matters,sedimentary environment and maturity of organic matter. 正构烷烃的组成和碳数分布能反映有机质来源、沉积环境性质和热演化程度。
- Furthermore, with the increase of carbon number in the side chain，the selectivity of side chain cracking increases, thus, the formation of benzene is reduced. 随着烷基苯取代基碳原子数的增多，烷基芳烃的侧链裂化反应选择性增加，可利用此反应特性控制反应路径，达到降低汽油苯含量的目的。
- For the N, N-dimethyl acetamide solution of sodium laurate, the CMC decreased with the increase of the carbon number of the alcohol, and increased with the increase of the alcohol concentration. 结果表明，对十二烷酸钠的N,N-二甲基乙酰胺溶液，在相同温度及相同浓度的醇体系中，CMC值随着醇中碳原子数的增加而降低。在相同温度及相同醇的体系中，CMC值随着醇浓度的增加而增加。
- Based on the thermodynamical theory, linear relationship between the logarithm of capacity factor and carbon number for homologues in supercritical fluid chromatography has been derived. 根据色谱热力学理论,推导出超出临界流体色谱中同系物的容量因子对数与碳数间的直线方程。
- He thumbed through the directory to look for her number. 他翻阅电话号码簿找寻她的号码。
- When the carbon numbers of surfactant, cosurfactant and oil phase accorded with the adding rule, the microemulsion formed was more stable. 产物的粒径分布较窄；
- Let me note down your address and telephone number. 让我记下你的地址和电话号码。
