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1·Gas chromatography was used to analyze the residue of butene-fipronil in rice.

研究并建立丁烯氟虫腈在大米中残留分析方法。

2·The isomerization of butene-1 occurred in kinetic region with 30 ~ 40 mesh catalyst.

当用30 ~ 40目催化剂时丁烯- 1异构化在动力学区域。

3·In addition, alkaline ligands can prevent isomerization of 1 butene to 2 butene effectively.

另外，碱性配体能有效地防止1 -丁烯异构成2 -丁烯。

4·The kinetic equations obey the L-H mechanism of triangular reaction of isomerization of butene.

动力学方程服从丁烯异构化三角反应的L - H机理。

5·The butene-1 (co) polymers show a good balance between processability and elastomeric behavior.

该丁烯- 1(共)聚合物表现出加工性与弹性体行为之间良好的均衡。

6·The critical parameters of 1-pentene, 3-methyl-1-butene, 1-hexene and isopropyl acetate were determined.

测定了1-戊烯、3-甲基-1-丁烯、1-己烯和乙酸异丙酯的临界参数。

7·The mass fraction of n-butene in mixed C4 from catalytic cracking after etherized was approximately 40%.

混合c 4中含有质量分数约为40%的正丁烯，是生产丙烯的优质原料。

8·Compositions of the present invention include a hot melt adhesives that includes a copolymer of butene-1.

本发明的组合物包括含有1 -丁烯共聚物的热熔粘合剂。

9·Results showed that ethylene-hexene copolymer had a higher SCG resistance than ethylene-butene copolymer.

结果表明，己烯共聚聚乙烯管材料较丁烯共聚聚乙烯管材料具有更好的SCG抵抗性能；

10·Low initial content of I butene or hight butanol content in the aqueous phase were unfavorable to the reaction.

原料中低异丁烯含量或水相中高叔丁醇含量均对反应过程有不利影响。

丁烯

1·Many of the raw materials used in the petrochemical industry are unsaturated hydrocarbons, such as ethylene, propylene, butene and butadiene.

在石油化学工业中所用的许多原料是不饱和烃类，如乙烯、丙烯、丁烯和丁二烯。

2·In the developing the oxidative dehydrogenation of butene process, it is found that the effect of heat feedback through reactor wall is different between laboratory and commercial scale reactors.

在丁烯氧化脱氢反应过程的开发放大中，发现实验室反应器和工业规模反应器通过反应器壁的热反馈存在不同的影响。

3·Through side-stream test, the result of butadiene removal by DD-1, service life, butene loss, and the influences of reaction velocity and reaction temperature on the catalyst are analyzed.

通过侧流试验分析了DD - 1脱除丁二烯的效果、使用寿命和丁烯损耗情况、反应空速和反应温度对催化剂的影响。

4·The oxidative dehydrogenation of butane to butene and butadiene was studied by using conventional fixed bed reactor (FBR), inert membrane reactor (IMR) and mixed inert membrane reactor (MIMR).

比较了固定床反应器（FBR）、惰性膜反应器（IMR）与混合式惰性膜反应器（MIMR）用于丁烷氧化脱氢制丁烯和丁二烯反应的性能。

5·The results show that top ethylene contains only 1% butene, and bottom liquid phase contains less than 1% ethylene.

结果表明，塔顶乙烯中只含小于1％的1-丁烯； 塔底液相中乙烯含量也小于1％。