查询词典 olefin

In this paper were reviewed development, manufacture process, poperties of alpha olefin sulfonates and its application in household washing products.

本文综述了a－烯基成酸盐的开发、生产过程、产品性能及其在家用洗涤剂中的应用。

The economy of olefin production is compared,and the effectiveness of finance funding on cost and project choosing is analyzed,too.

对石脑油、煤、天然气为原料生产烯烃的经济性进行了分析。初步分析了融资方案对成本测算和项目决策的影响。

Initiator is one of the most important reagents in the polymerization of olefin and it closely related to the polymerization rate.

引发剂是烯烃聚合的重要助剂，聚合反应速率与之密切相关；引发剂的不同直接影响聚合反应时间和聚合放热的均匀性。

Collect supply/demand data and conduct marketing analysis for olefin products.

收集烯烃产品的市场供需数据并做市场调研。

These fabrics are made of such fibers as polypropylene , olefin, polyester, nylon, and acrylic.

这些织物使用的纤维有：聚丙烯、烯烃、涤纶、尼龙以及丙烯膊纤维。

Make incomplete heavy oil or olefin base crude oil comes to those who raise light oil close through deepness treatment method rate, finished product can serve as after classics of the benzine of generation, derv is purificatory, shan of the cent that weigh heat up in a steamer can serve as catalytic cracking or thermal cracking raw material, coke can serve as the raw material of production electrode, have ask rest method and continuous method etc.

使残重油或石蜡基原油通过深度加工方法来提高轻油的收率，产生的汽油、柴油经精制后可作为成品，重馏分汕可作为催化裂化或热裂化原料，焦炭可作为制造电极的原料，有问歇方法和连续方法等。

The pyran rings were formed in an I_2-induced heterocyclization of hydroxyl and olefin.

分别以14步反应和16步反应为-Benzylpedamide提供两条不同的不对称全合成途径。

In order to eliminate disturbance of the feed stock, a feedforward controller was designed in the system.The designed soft sensor and control strategy were used in one selected olefin plant and the results were demonstrated and discussed in this paper.

丙烯浓度智能控制系统对塔釜丙烯指标进行实时控制，提高了塔釜丙烯浓度的控制平稳度，解决了塔釜丙烯浓度超标问题。

Sulfuration olefin with high activity had better replenishinge effect than that of zinc dialkyl dithiophosphate whose activity depended on catalysis of temperature.

其中，高活性的硫烯比需要温度催化的ZDDP对硫化层的补充作用更明显。

Controlled-release membrane was prepared based on the phase inversion method in which circulated urea particles were coated with polyethylene and olefin dispersed in tetrachloroethylene solution. The effect of atomizing on the membrane structure and nutrients release characteristics was investigated systematically.

利用喷雾相转化法将聚乙烯和石蜡溶于四氯乙烯的溶液喷射到处于流化状态的大颗粒尿素上，制备控制肥料养分释放的控释膜，系统地研究了喷雾－相转化－成膜过程中雾化状态对控释肥料膜结构和养分释放性能的影响。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。