olefin的例句大全

using ticl_4/ alet_2cl as initiating system to polymerize long chain α-olefin by bulk polymerization under atmosphere pressure, high efficiency oil-solvent drag reducing agent ( dra) was synthesized.

以TiCl4/AlEt2Cl为引发体系，在常压条件下采用本体聚合法引发长链α-烯烃聚合，制备高减阻性能的油溶性减阻剂（DRA）。

furthermore, the olefin content was reduced significantly, and the octane value increased.

无论是否进行汽油回炼，汽油烯烃含量都大幅度下降，辛烷值明显升高；

the method greatly improves the octane value of the gasoline, and the olefin content in the upgrading gasoline is very low;

该方法大幅提高汽油的辛烷值且改质汽油中的烯烃含量很低；

and the synergistic effects among the sulfurized olefin, the phosphates and the n-containing derivant were also evaluated.

以及硫化烯烃、磷酸酯盐极压抗磨剂与含氮杂环衍生物多功能添加剂之间的协和效应。

and the ep/ aw properties and rust-resistance of industrial gear oil can be optimized and the adding total of package in the gear oil can be reduced through adequate combination of the sulfurized olefin, amine phosphates and n-containing derivant.

硫化烯烃与磷酸脂盐、含氮杂环衍生物多功能添加剂的合理组合，可以提高齿轮油的极压抗磨性能和防锈性能，减少添加剂总加剂量。

a wax cracking model for alpha-olefin production

蜡裂解制α-烯烃模型

According to PONA ( Pareffins, Olefins , Naphthenes, Aromatics ) analytic results of FCC gasoline, some model compounds were selected.

根据FCC汽油的PONA ( Paraffins, Olefins, NaphthenesandAromatics ) 分析结果, 确定了不同结构的FCC汽油模型化合物.

The progresses in five-membered heterocyclic metallocene analogic complexes and their application in olefin polymerization are reviewed.

综述了五元杂环类茂金属配合物的研究进展及其在烯烃聚合中的应用.

Olefin gas closely approximates air.

烯空气跟空气十分近似.

The submitted plastic complies with the FDA Specifications for polyethylene olefin polymers requirement.

提交的塑料符合FDA对聚乙烯合成纤维聚合物的要求.

Ozone is formed in the reaction, and a nitro derivative of the olefin.

在反应中形成臭氧及烯烃的硝基衍生物.

FI catalyst as a high performance catalyst is developed for olefin polymerization in recent years.

FI催化剂系一近几年发展起来的烯烃聚合高性能催化剂.

Recent advances in ring closing metathesis ( RCM ) reaction, including olefin and enyne metathesis reaction are reviewed.

综述了近几年来关环复分解 ( RCM ) 反应的研究新进展, 包括了烯烃、烯-炔的RCM反应.

The technical features, process design and commercial application of FDFCC cracked naphtha olefin reduction were described.

FDFCC工艺是降低催化汽油烯烃含量的有效技术.论述了该工艺的技术特点 、 流程设计和工业应用情况.

A gas distribution plate for fluidized-bed, olefin polymerization reactors is provided.

提供了用于流化床烯烃聚合反应器的气体分布板.

Methanol-to-olefins R & D work focuses on the synthesis and characterization of MTO catalysts.

甲醇制烯烃的 研发 重点是MTO催化剂的合成及其特征描述.

Hydroaminomethylation of olefin is an efficient method for the synthesis of various amines.

烯烃的氢氨甲基化反应是合成各种胺及其衍生物的有效途径.

The alkylation of isoparaffin with olefin is an important process of petroleum processing.

异构烷烃与低分子烯烃的烷基化反应是石油加工的重要过程之一.

Market sentiments for olefin were also affected due to deteriorating environment of petrochemical industry.

由于石化工业的利空消息,聚烯烃市场也受到影响.

We use synthetic materials such as nylon, polyester, acrylic or olefin.

用合成纤维,像尼龙 、 多元酯 、 压克力或烯属烃.