查询词典 sapo

In this thesis, the reaction of methanol conversion into hydrocarbons on HZSM-5 and SAPO molecular sieves, which is of great importance to industry, is selected as probe reaction to get deeper insights into the structure of solid catalysts and the interaction of reactants with catalysts during adsorption and catalytic reaction by solid state NMR.

本论文主要以固体NMR为研究手段，以甲醇制烃类作为探针反应，详细研究了催化剂的结构、吸附过程中反应物与催化剂的相互作用、反应过程中反应物与催化剂的相互作用，主要取得了如下结果： 1 原位MAS NMR实验结果表明，甲醇制烃类的过程是通过&碳池&机理来实现，&碳池&的组成随反应的进行而变化，在反应前期，&碳池&由饱和烃类构成，随着反应的进行，饱和烃类和不饱和烃类共同组成&碳池&。

XRD results reveal that the addition of HF decreases the defects in the crystal lattice of SAPO 34, which is proved by the two distinct double peaks at 2 θ=26°and 31° and other ...

以氟化氢三乙胺复合模板剂合成的分子筛，在催化甲醇制低碳烯烃反应中结焦速率降低，生成乙烯及丙烯的选择性则略有提高

Thermal cracking and catalytic cracking of lab prepared endothermic hydrocarbon fuel NNJ 150 over USHY, HZSM 5 and SAPO 34 catalysts were studied.

吸热型碳氢燃料是为解决高超音速飞行器的冷却问题而立题研究的。

When phosphorous acid was used to synthesize SAPO molecular sieves, it was found that the relationship among the reaction mixture composition, crystallization condition and products was different from that in AlPO〓-moleeular sieve synthesis.

研究发现，亚磷酸作磷源合成磷酸铝分子筛的时候，可以拓展一些磷酸铝、硅磷酸铝分子筛合成所使用的模板剂的范围。

The current studies on the catalysts for n-heptane isomerization were reviewed systematically. The factors influencing the catalyst properties were discussed. The noble matel catalysts supported on SAPO HZSM-5 and Y .β zeolite were widely studied for n-heptane isomerization.

阐述了当前正庚烷异构化所用的负载型催化剂和过渡金属碳化物和氧化物催化剂的研究进展，对催化剂性能的影响因素及对策进行了分析与讨论。

Sowhen Ben Collen of the Zoological Society ofLondon heard that the first camera trap his teamset up in Sapo, Liberia's largest park, hadcaptured a Hexaprotodon liberiensis on its wayback from foraging, he was overjoyed—andrelieved.

因此，当伦敦生态学报的本·柯林得知，第一架照相机摄取到他在利比亚最大的公园——萨珀国家公园——建立的队伍捕捉到一头矮黑河马的踪迹，当时它觅食归来，柯林异常高兴，如释重负。

ZSM-5 was synthesized onto ceramic honeycombs by a vapor phase transport technique.

应用水热合成技术，首次在蜂窝陶瓷载体上原位合成了SAPO-34分子筛。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。