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olefin n.【化學】烯(屬)烴。adj.-ic

olefine

In this paper , an effective control solution for olefin alloy copolymerization reaction is provided through analyzing the reaction process 本文通過分析烯烴合金共聚反應過程,提出了一套行之有效的控制方案,對烯烴合金共聚反應的控制作了一些開創性工作。

The main task is to develop novel catalytic processes for olefins and their downstream products in olefins industry . the catalysis of synthesis is to be clearly elucidated 針對乙烯工業中烯烴,開發其下游產品的綠色催化合成工藝,揭示其催化氧化規律。

The yield , molecular weight , polar comonomer content and melting temperature of the poly ( olefin - ester ) s can be controlled by the change of polymerization reaction condition 改變聚合條件,可控制烯烴共聚酯的分子量、極性單體插入率和熔融溫度等性質。

Methods of test for petroleum and its products - petroleum products - determination of bromine number of distillates and aliphatic olefins - electrometric method 石油及石油產品的試驗方法.石油產品.第130部分:蒸餾產品和脂肪族烯烴溴值測定.靜電計法

Test method for oxygenates and paraffin , olefin , naphthene , aromatic o - pona hydrocarbon types in low - olefin spark - ignition engine fules by gas chromatography 利用氣相色譜法對石蠟烯烴環烴和芳香性物質在低烯烴引擎機油中氧化性的測定方法

Brief introduction : the product is producted by using olefin base oil and many kinds of additive . it fits gb11118 . 1 - 94 產品簡介:本產品以精制的大慶石蠟基油為基礎油,添加適量的抗氧、防銹、抗泡等添加劑調制而成。符號gb11118 ? 1 - 94標準。

So looking for the most economic methods how to reduce the contents of olefin of petrol and reduce loss is the most urgent thing now 因此尋找如何以最低的成本降低汽油中的烯烴含量的方法,盡可能減少損失是當前急需解決的重要問題。

The broadtack series is a non - pvc series of printing - use tack film consisting of a special olefin - type weak adhesive tack film Broad tuck系列產品,是用非氯乙烯制成的印刷用膠帶,再現了氯乙烯軟性用特種烯制成的微粘性印刷用膠帶。

Nickel - based olefin polymerization catalysts are new - type catalysts , which have been attracted much attention in recent years 摘要鎳系烯烴聚合催化劑是近年來受到廣泛關注的一類新型催化劑,是配位催化研究的熱點之一。

Nickel - based olefin polymerization catalysts are new - type catalysts , which have been attracted much attention in recent years 鎳系烯烴聚合催化劑是近年來受到廣泛關注的一類新型催化劑,是配位催化研究的熱點之一。

This work focus on the design and fabrication of the ag / cop ( cyclic olefin polymer ) leaky type of hollow waveguide 本文著重設計制備ag cop ( cyclicolefinpolymer )泄漏型空芯光纖,并對其制備工藝進行了深入的研究。

Its activities include base chemicals ( olefins and aromatics ) as well as polyethylene , polypropylene and styrenics 道達爾石化的業務包括基礎化工(烯烴和芳香烴)以及聚乙烯、聚丙烯與苯乙烯類產品。

Light olefins for industrial use . determination of molecular oxygen in gaseous phase . electrochemical method with a membrane - covered cell 工業用輕烯烴.氣相中氧分子的測定.帶覆膜細胞的電化學方法

Standard test method for bromine numbers of petroleum distillates and commercial aliphatic olefins by electrometric titration 電化學滴定法測量石油餾分及商用脂族烯烴的溴值標準試驗方法

Toward this end , the olefin 51 was treated with cyanogen azide and , indeed , produced the ring expanded ketone 52 為了證明這一看法,他用氰化迭氮處理烯烴( 51 )就得到擴大的環酮。

Standard test method for total olefins in spark - ignition engine fuels by multi - dimensional gas chromatography 用多維氣相色譜法測定火花點火發動機燃料中烯烴總含量的標準試驗方法

Bromine number of petroleum distillates and commercial aliphatic olefins by electrometric titration , test method for 用電勢滴定法測定石油餾分和商用脂肪族烯烴溴值的方法

Test method for the determination of the olefin content of gasolines by super - critical - fluid chromatography 利用超級臨界流體色譜法測定汽油中石蠟含量的試驗方法

Light olefins for industrial use . determination of impurities by gas chromatography . general considerations 工業用輕烯烴.用氣相色譜法測定雜質的含量.一般考慮