异丁

UNIFAC method was applied to the mathematical simulation of methanol distillation to calculate the equilibrium data of five component systems which include methanol, water, decane, isobutanol and ethanol.

将UNIFAC法应用于甲醇精馏过程数学模拟，计算甲醇-水-癸烷-异丁醇-乙醇五组分体系的汽液平衡数据，从理论上成功地解释了在甲醇精馏过程中加水萃取精馏的原理。

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。

According to the literature, PAEs are suspected as environmental endocrine disrupter, posing a threat to the human health.

其中邻苯二甲酸二异丁酯常使用於PVC、化妆品、油漆涂料、虫剂、食品包装等百种日常用品。

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。

It is demonstrated that living polymerization can be achieved when the concentration of electron pair donors such as DMAB or Et3N is higher than that of trace water in the polymerization system,and that polymers with narrow molecular weight distribution can be obtained.

发现当N，N-二甲基苯胺或三乙胺的浓度稍高于质子性杂质的浓度时，即能实现异丁烯的活性聚合，得到分子量分布较窄的聚合物。

I-BuMgBr was the best Grignard reagent and its enantioselection was up to 94%.

其中，异丁基格氏试剂加成产物ee值最高，为94%。

The main contents were Alcohol,-2-Hexen-1-ol, 3-t-Butyl-oct-6-en-1-ol, Benzyl Alcohol.25 compounds were identified in Hongbaoshi, representing 62.65% of the total peak area, and 25 kinds were in sole possession for it. The main contents were Alcohol,-2-Hexen-1-ol, 3-t-Butyl-oct-6-en-1-ol, Hexyl acetate.

从砧木为'吉塞拉'的'红宝石'大樱桃果实中共检测出25种香气成分，占总峰面积的62.65%，其中21为其独有，相对含量较高的是乙醇、2-己烯－1-醇、3-异丁基－6-烯－1-辛醇和乙酸己酯。

The selectivity is close to 100% and the highest conversion of IB is 92% on optimum conditions.

在最佳条件下处理的分子筛，最高异丁烯转化率达到92％。

So developing technique of synthesizing IBA in one-step has very important meaning.

因此开发研究一步法合成异丁醛具有十分重要的意义。

Effects of reaction temperature, volume ratio of water to isobutylene and linear flowrate of C4 raffinate on activity of the catalyst were studied.

考察了反应温度、水油体积比和抽余C4烃的流速等对异丁烯转化率的影响。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。