查询词典 cumene

In order to enhance heat transfer efficiency of reboiler which is widely used in petroleum and chemical system, phase change heat transfer and friction characteristics in several heat transfer enhancement tubes are studied, With a view to approach practical circumstances, cumene is chosen as organic working medium.

为了提高石化系统再沸器的传热效率，本文研究了几种强化沸腾与冷凝管的传热与阻力特性。为接近实际条件，选用异丙苯为工质。

Compared with the corresponding mesoporous molecular sieve, SBU-MCM-41 showed higher above 68% catalytic activity for cumene cracking and exhibited better hydrothermal stability.

与相应的中孔分子筛相比，SBU-MCM-41的酸性增强，异丙苯裂解反应活性提高了68％以上，并且水热稳定性也有一定程度的改善。

The typical industrial technology of producing phenol was cumene process containing four steps: alkylation,oxidation,purification and recovering.

异丙苯法是苯酚、丙酮的代表性工业制备方法，主要由烃化、氧化、精制、回收四个工序组成。

Employing dealkylation of cumene as the controlling reaction, the authors investigated the poisoning action of pyridine on a silica-alumina catalyst.

本文以异丙基苯的裂化作为控制反应，用动力学方法考察了硅铝催化剂为吡啶中毒的情况。

Methods: We used cumene hydroperoxide as an inducer of lipid peroxidation to induce the culture ECs lipid peroxidative action and to prepare endothelial cell conditional medium, and then we added it to the merged VSMCs as an experiment factor.

以氢过氧化枯烯为诱发剂引发培养的血管EC的脂质过氧化反应，将制备的内皮细胞条件培养液作为实验因素作用于培养的VSMC。

Ltd. The results show that in contrast to phosphoric acid catalyst, the production of cumene on zeolite catalyst exhibits low operating cost, high product yields, high product purity and little corrosion.

结果表明，采用沸石分子筛催化剂生产异丙苯，与固体磷酸催化剂相比，具有收率高、产品质量好、操作费用低、无腐蚀等优点。

And taking the alkylation of propylene with benzene to produce cumene as model reaction , the reaction performance of HP zeolite catalyst was also evaluated by means of the semi-continuous gas-liquid reactor and liquid-liquid continuous reactor.

结果表明：催化剂强度随成型过程中醋酸用量的增加呈现先增大后减小的趋势，最高催化剂强度对应的醋酸用量为6%。

two step route, mesoporous material, cumene, catalysis

本研究中，我们以在第一步得到的聚合的Al O

Cumene hydroperoxide ; resin ; decomposition ; phenol ; acetone ; catalyst

过氧化氢异丙苯；树脂；分解反应；苯酚；丙酮；催化剂

Keywords cumene process;phenol;acetone;zeolite;catalyst

异丙苯法；苯酚；丙酮；沸石分子筛；催化剂

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。