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For finding a suitable sorbent for a-methylstyrene in the process of producing phenol from cymene, the pore structure and pore size distribution of four coconut-shell activated carbon were analyzed and characterized by different methods (BET, t-plot and BJH) according to their nitrogen adsorption isotherms.

为了筛选在异丙苯法生产苯酚工艺中吸附分离α-甲基苯乙烯的吸附剂,测定了4种椰壳活性炭材料的氮吸附等温线,并用BET模型、t图法、BJH理论等方法对孔结构进行分析与表征。

The relation between gelation point and gel content of IPNs with different compositions were determined.

丙烯酸甲酯在生成IPN过程中凝胶的生成速度要比苯乙烯的场合快。

When oxygen is used as an oxidant, the conversion of EB is 40.4%, the selectivity is 91% at 400℃.

氧气作为氧化剂,400℃时,当乙苯的转化率为40.4%时,苯乙烯的选择性为91%。

If you compare this to say, styrene of the same thickness you won't have much of a competition!

如果你比较这就是说,苯乙烯的相同厚度,你将不会有太大的竞争!

Next step after that is to hull plate it with styrene sheet.

下一步后,即是船体板,它与苯乙烯的资产负债表。

Large strain tensile properties of Polycarbonate/ acrylonitrile butadiene styrene polymer were experimentally investigated at different environmental temperatures in this paper.

本文对聚碳酸酯和丙烯腈丁二烯苯乙烯的合金高分子材料不同环境温度下的拉伸性能进行了试验研究。

Ternary copolymer ammoniacal latex was obtained using the reaction of nitration and reduction reaction.

通过硝化反应与还原反应在苯乙烯的苯环上接上氨基,利用重氮化反应将登革热抗体与之相交联制成登革病毒胶乳凝集免疫诊断试剂。

The results reveal that the supported catalyst has high catalytic activity and good selectivity of epoxide for the epoxidation of cyclohexene and styrene, respectively.

上述结果表明该负载催化剂对环己烯和苯乙烯的空气环氧化具有很高活性和环氧化物选择性。

Synthesized ethylene - laborious Xi copolymer and methylic acrylic acid armour ester - propylene nitrile - the graft copolymer of styrene .

梗概: 合成了乙烯-辛烯共聚物和甲基丙烯酸甲酯-丙烯腈-苯乙烯的接枝共聚物。

The aerobic oxidation of styrene to its epoxide catalysted by Salen-Mn complex was studied.

研究了Salen-Mn配合物催化空气环氧化苯乙烯的反应。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力