The present dissertation deals with the displacement reaction of ethylene and high alkyl-aluminum compounds.
本论文主要研究了高碳烷基铝的热置换反应和冷凝技术。
The wine industry has tried various ways to remove alkyl-methoxypyrazines, but none has been particularly successful.
葡萄酒业尝试了很多种方法去除烷基-甲氧基吡嗪，但是没有一种特别成功。
High levels of chemicals called alkyl-methoxypyrazines can make wines taste as though the fruit from which they were made was under-ripe or low-quality.
如果酒中有高含量的甲氧基有机化合物，我们尝起来觉得是酿制酒的水果没有成熟或是质量低劣的。
However, alkyl-substituted propargylic dithioacetals could be synthesized by the displacement reaction of the corresponding terminal alkynes with alkyl iodides.
烷基取代的炔丙基硫缩酮衍生物，则能利用相对应的末端炔和碘烷亲电基进行取代反应所获得。
The process of alkyl naphthalene preparation by alkylation, acylation and direct extraction are also discussed.
讨论了烷基化、酰基化和直接提取制备烷基萘的工艺路线。
The process to prepare alkyl naphthalene by alkylation is the most ripe one, key technology of which is preparation of high efficient catalyst.
烷基化制备烷基萘是目前最成熟的工艺路线，其关键技术是高效催化剂的制备；
Tin: alkyl sulfonic acid department.
镀锡：烷基磺酸系。
Heavy alkyl benzene sulfonates can be used in EOR.
重烷基苯磺酸盐可用于三次采油。
Nitrous esters can react with alkyl peroxides to yield alkyl nitrates .
亚硝酸酯与过氧化烷基反应，得到烷基硝酸酯。
This paper expounds the negative inductive effect of alkyl and explains the order of acidity of some substances.
阐述了烷基的吸电子诱导效应，因此解释了一些物质的酸性变化顺序。
The main active ingredient is copper and alkyl ammonium compounds, the active ingredient content of 15%.
主要活性成分是铜和烷基铵化合物，活性成分的含量为15%。
The side chain of EVA is mainly butyl, amyl, or longer alkyl.
EVA分子结构中的侧链主要是丁基、戊基或更长的烷基。
The finding of long chain alkyl benzene proves the relatively strong reducing environments during deposition at that time.
长链烷基苯的检出进一步验证了当时沉积物处于较强还原环境。
Electroredox behaviour of alkyl viologens and polyviologens has been investigated by using differential pulse polarography.
用微分脉冲极谱法研究了烷基紫精及聚紫精的电氧化还原行为。
Ingredients: alkyl indican, arbutin, Propylene glycol, etc.
成份：烷基糖苷、熊果苷、丙二醇等。
The long chain of alkyl increased the solubility of perylene diimides.
长链烷基明显改善了苝酰亚胺的溶解性。
The synthesis, production and application of the surfactant alkyl diphenyl ether disulfonate were reviewed.
介绍了表面活性剂烷基二苯醚二磺酸盐的合成、生产及应用情况。
The general answer to this problem is to avoid alkyl halides.
解决这一问题的一般办法是避免使用烷基卤。
The formation of organogels was greatly influenced by the solvophilic interaction of alkyl groups and the characteristic of solvents.
不同烷基链长的亲溶剂作用以及溶剂性质对有机分子凝胶的形成有较大影响。
Reaction course include alkyl reaction, sulfonic reaction and neutralization reaction.
反应步骤包括烷基化反应、磺化反应、中和反应。
Nitrous esters can react with alkyl peroxides to yield alkyl nitrates.
亚硝酸酯与过氧化烷基反应，得到烷基硝酸酯。
The induced effect of alkyl is supposed to penetrate organic chemistry, which pushing electron of alkyl is used to explain in most text books and reference books.
烷基的诱导效应贯穿于整个有机化学，大多数教科书和参考资料都从烷基的推电子作用来解释其诱导效应。
At the same technical condition, the alkyl salicylate calcium with different chain length are synthesized from the alkyl salicylic acid with different chain length.
以不同链长的烷基水杨酸为原料，在同一工艺条件下，合成了不同链长的中碱值的烷基水杨酸钙。
The nonpolar segments of surfactauts include straight-chain and branched alkyl groups.
非极性链段包括直链和支链的烷基。
A term used in petroleum technology to describe a method of removing methyl groups (or other alkyl groups) from a hydrocarbon compound and replacing them with hydrogen.
石油技术所用的一个术语，叙述将烃类化合物的甲基(或其他烷基)脱除下来并代之以氢的方法。
Biodiesel, fatty acid alkyl ester, is made from renewable bioenergy such as vegetable oils and animal fats.
生物柴油，即脂肪酸甲酯，是以动植物油为原料生产的可再生绿色能源。
Peroxidation of alkyl aromatics is the key step to synthesis of phenols.
烷基芳烃过氧化反应是酚类合成反应的关键步骤。
The application of alkyl dithiophosphate accelerator in NR based tread compound was investigated.
研究烷基二硫代磷酸盐促进剂在nr胎面胶中的应用。
The application of alkyl dithiophosphate accelerator in NR based tread compound was investigated.
研究烷基二硫代磷酸盐促进剂在nr胎面胶中的应用。
应用推荐