查询词典 butylene

I. project description and construction necessity: BDO (1, 4 -butylene glycol) is a kind of important raw material for the organic chemical industry and fine chemical industry, used widely in engineering plastic and fiber production.

一、 项目描述及建设必要性： BDO（1，4丁二醇）是一种重要的基本有机化工和精细化工原料，广泛用于生产工程塑料及纤维。

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。

Moreover, The melting point of the copolyesters PBEST is much higher than that of the poly (butylene succinate –co-ethylene succinate).

PBEST综合了PET具有高的拉伸强度及PBES具有高的断裂伸长率的特点，因而具有优异的机械性能。

When used as vehicle fuel, it is commonly known as liquefied petroleum gas (LPG or LP-gas), which can be a mixture of propane along with small amounts of propylene , butane , and butylene .

当用作汽车燃料，它通常被称为液化石油气，这可能是一个混合丙烷连同少量的丙烯，丁烷和丁烯。

Described are the application of butylene type coatings, comprising polyisobutylene polymers, to maintain desirable existing characteristics of a shoe, such as feel and feedback, but which improve grip.

描述了涂覆包括聚异丁烯聚合物的丁烯类涂层，以保持鞋的所需现有性能，例如感受和反馈，但还提高抓着性能。

The mechanism of ring-opening cationic polymerization reaction of tetrahydrofuran and butylene oxide was analyzed on the basis of electronic microstructures by using frontier orbitaltheory.

求取了四氢呋喃和环氧丁烷单体与仲氧鎓离子反应的过渡态，并根据频率分析和内禀反应坐标计算对过渡态的合理性进行了确认。

The effects of AX8900 as a compatibilizer introduced on the mechanical properties, thermal performance and section morphology of the blends poly and poly (butylene adipate-co-terephthalate) were investigated.

研究了AX8900作为增容剂对聚乳酸/对苯二甲酸、己二酸、1， 4-丁二醇三元共聚酯复合材料的力学性能、热性能、动态力学性能和断面形貌的影响。

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。

During MLF, diacetyl, acetoin and butylene glycol, as end products, were also produced, which affected the sensory characteristics of wine.

伴随着MLF，还生成了双乙酰，乙偶姻等物质，从而影响着MLF后酒的风味。

In the catalytic pyrolysis process, the summary yield of ethylene, propylene and butylene reaches 51. 54wt%, indicating the prospective future for application of downer reactor in this process.

此外，下行床催化热裂解过程中的乙烯、丙烯和丁烯三种烯烃的总收率达到51.54wt％，显示出了良好的研究开发前景。

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。