查询词典 catalytic

Abstract摘要: A two-phase fluidized bed photo-catalytic reactor was designed and TiO2-coated photo-catalyst was prepared using firebrick granules as media in this study.

摘要摘要：设计了一种二相流化床光催化氧化反应器，并以耐火砖颗粒为载体，用浸涂法制备了负载型TiO2光催化剂。

The good catalytic effects indicate these flower-like nickel 3D nanocrystals are likely to be applied as a better catalyst in the future.

良好的催化性能表明，这种镍三维纳米结构将来很可能成为一种优异的催化剂。

The results showed that the amount and intensity of the acid sites decreased after fluorination, which resulted in the significant increase of propylene selectivity and catalytic stability.

结果表明，氟改性可明显降低酸中心的数量及强度，从而显著提高丙烯的选择性和催化剂的稳定性。

Finally, the photo-catalytic oxidation of the mixture of NO and formaldehyde are investigated.

最后，实验研究了NO和甲醛共存时污染物的反应特性。

Three formyl group functional cross-linking polystyrene resins of p -formylphenoxymethyl, p -formyl-2-methoxphenoxymethyl,and p -formyl-3-methoxphenoxymethyl were facilely and rapidly synthesized from Merrifield resin under phase transfer catalytic condition coupling with microwave irradiation in a domestic microwave oven.

以Merrifield树脂为原料，家用微波炉为反应装置，在微波照射的相转移催化条件下，简便快速地合成了3种甲酰基功能化的交联聚苯乙烯树脂——对甲酰基苯氧基甲基树脂、对甲酰基-2-甲氧基苯氧基甲基树脂和对甲酰基-3-甲氧基苯氧基甲基树脂。

Three formyl group functional cross-linking polystyrene resins of methoxphenoxymethyl, and p-formyl-3-methoxphenoxymethyl were facilely and p-formylphenoxymethyl, p-formyl-2-rapidly synthesized from Merrifield resin under phase transfer catalytic condition coupling with microwave irradiation in a domestic microwave oven.

以Merrifield树脂为原料，家用微波炉为反应装置，在微波照射的相转移催化条件下，简便快速地合成了3种甲酰基功能化的交联聚苯乙烯树脂--对甲酰基苯氧基甲基树脂、对甲酰基-2-甲氧基苯氧基甲基树脂和对甲酰基-3-甲氧基苯氧基甲基树脂。

Then, EPSO is applied to train artificial neural network to construct a practical soft-sensor of gasoline endpoint of main fractionator of fluid catalytic cracking unit.

研究结果表明，基于EPSONN的软测量模型比基于BPNN的软测量模型具有更高的精度和更好的性能。

Catalytic cracking ; fractionator ; naphtha ; end point ; computer application ; prediction

催化裂化；分馏塔；汽油；干点；计算机应用；预测

In the production of refinery, the normal operation of the catalytic cracker unit is often affected by the coke formation in the oil-gas pipeline between the settler and fractionator.

炼油厂催化裂化装置沉降器至分馏塔之间的油气管线，在生产过程中容易结焦而影响装置的正常运转。通过几种方案的分析对比，选择并采用高压水射流技术进行清洗。

A method for determining trace Cu is described based on the catalytic effect of trace copper on the decolorizing oxidation reaction of acid fuchsin by potassium periodate in the presence of a,a'-dipyridyl.

本文研究了在α，α′-联吡啶存在下，铜离子催化高碘酸钾氧化酸性品红褪色的新指示反应及动力学条件，建立了催化光度法测定痕量铜的方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。