您要查找的是不是:
- 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。
- Alkanol fraction mainly represented terrestrial part in sedimentary organic matter, and were dominated by high carbon number n-alkanols with a strong even carbon number predominance. (2)脂肪醇组分,以具有强烈偶碳优势的高碳数脂肪醇为主,反映了沉积有机质中陆源输入的部分;
- even carbon number predominance 偶碳数优势
- 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 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。
- How odd they have gone through the eccentric thing! 他们经历了多么离奇古怪的事!
- He does odd jobs for me from time to time. 他有时给我干点零活。
- 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。
- He does the odd job for me from time to time. 他偶尔来为我做些零碎的工作。
- It's very odd that she didn't reply to our letter. 她没有回我们的信是件很奇怪的事。
- She went a bit odd and had to be put away. 她有点不正常,只好送进了疯人院。
- 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 man does odd jobs in my father's garden. 那人在我父亲的花园里打零工。