丁烯

Catalytic oligomerization of remain butylene is a way for enterprises to rebottle neck,and tap potentialities for more benefits.

剩余丁烯催化齐聚是企业消除瓶颈、挖潜增效的途径。

Butylene catalytic cracking over ZSM-5, SAPO-11, and MCM-22 catalysts in a continuous flowing fixed bed reactor was investigated.

在常压连续固定床反应器上考察了ZSM-5、SAPO-11和MCM-22分子筛的1-丁烯催化裂解性能。

But do not have the flocculation ability nearly by testifying the amylum not having changed nature comparatively,that amylum obeys the butylene diacid Shan ester is fine flocculant of one kind of effect.

通过比较，证明未改性的淀粉几乎没有絮凝能力，而淀粉顺丁烯二酸单酯是一种效果良好的絮凝剂。

With amylum and amylum, along butylene diacid Shan ester, as flocculant, suspension liquid has carried out the flocculation experiment on kaolin.

以淀粉和淀粉顺丁烯二酸单酯作为絮凝剂对高岭土悬浮液进行了絮凝实验。

The quality of butadiene product could meet the process demand of next working procedure and raffinate C4 could meet the technical demand of 1 - butylene and MTBE plant through technical remoulding and optimization.

在实际生产运行过程中，通过技术改造与优化，产品丁二烯能够满足下游工序生产要求，副产抽余碳四的质量能够满足1-丁烯和MTBE装置的技术要求。

An ester or a salt of perchloric acid .relating to or producing butyric acid .

顺丁烯二酸氧化形成的酸（如在脂肪和碳水化合物的新陈代谢中）。

The catalytic activity of this new resin catalyst in the isobutene oligomerization was measured in detail, it exhibited good catalytic activity and excellent isobutene dimerization selectivity.

在异丁烯的低聚反应中，对这种新型树脂催化剂的催化活性进行了细致的研究，磺化聚醚碸酮树脂催化剂在反应中表现出了很好的催化活性和优良的二聚选择性。

It may result from the coupling of acarbonyl group in one molecule with the double bond in another molecule.

它是由一分子环丁烯二酮的羰基碳与另一分子的双键β-碳发生还原偶联的结果。

MTBE can be formed by addition of methanol to the double bond of isobutene.

MTBE可由异丁烯和甲醇经加成反应而合成。

Make a summary for having discussed that the dry law and microwave do law along butylene diacid Shan ester composing amylum.

讨论了干法和微波干法合成淀粉顺丁烯二酸单酯。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。