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The results show that MCM-41 with Si ∶KG-*3〗Al=100 exhibits a good catalytic activity and selectivity to guaiacol. This may mainly be attributed to the relative large pore size and the presence of suitable amounts of weak acid on the surface of catalyst.

结果表明， Si∶Al=100的MCM-41材料表现出较好的催化性能，样品较大的孔径和一定量弱酸中心的存在对反应有利。

The photo-catalytic degradation mechanism of guaiacol as the model of lignin was investigated using TiO_2 as an activated Photo-catalyst prepared in the lab.

以木素的模型物愈创木酚为对象，采用自制的纳米TiO_2作光催化剂，对G-M光催化降解的动力学特性进行了研究。

In this paper, the catalyst which consists of different concentration of H_2SO_4, HAc and the liquid Lewis acid, which was used to catalyze Blanc chloromethylation.

本文报道了一种由液体Lewis酸与不同浓度的硫酸和醋酸所组成的新型芳烃氯甲基化催化剂体系。

Polywas directly halogenated to select halogenation agents such as Cl and Br and catalyst system.

通过将聚乙烯醇直接卤化取代，筛选出Cl、Br等卤化剂、催化剂，并优选出合适的体系，使其既保持PVA的高阻氧性，又能保证加工性时的热稳定

Main products: precision putter secondary restore 'Pusher furnace gas reduction furnace, the diameter of 1 m -2.6 m cutting machine gas furnace, high-speed wind mill, jaw crusher, hammer crusher, ball mill, enhanced magnetic separator, ammonia decomposition hydrogen purifier and nickel, iron-based catalyst a full set of production equipment.

主要产品：推杆式二次精还原电炉'推杆式燃气还原炉、直径1米-2.6米煤气发生炉切块机、高速风能粉碎机、鄂式破碎机、锤式破碎机、球磨机、提升、磁选机、氨分解制氢净化器及镍、铁基触媒全套生产设备。

If possible, don't use a reusable handkerchief, they can be a catalyst for flu spread.

如果可能的话，不要使用可重复使用的手帕，他们可以是一个催化剂的禽流感蔓延。

With DMAP as catalyst, phorate hapten and succinic anhydride synthesized Phorate ramification.

在DMAP作为催化剂的条件下，甲拌磷半抗原与丁二酸酐反应，得到甲拌磷半抗原的衍生物。

Influence of heavy rare earth oxide s on the activity of Pd catalyst has been discussed in this article.

研究了重稀土氧化物对钯催化剂活性的影响。

Monocholesterylsuccinate is synthesized using cholesterol and succinic anhydride as raw materials in heptane and trace pyridine as catalyst.

以正庚烷为溶剂、吡啶为催化剂，采用丁二酸酐和胆固醇以均相法合成了丁二酸单胆固醇酯。

The experiment gone in a hermetical batch reactor,in this paper cellulose was hydrolyzed with extremely low acid as the catalyst in the high-temperature and high-pressure condition. Factors influencing the sugar yield and cellulose conversion ratio by hydrolysis including reaction time and the concentraction of the acid were studied systematically.

本实验是在密封性良好的间歇反应器中，以生物质的主要成分纤维素为原料，在高温高压条件下进行了极低浓度硫酸为催化剂的均相水解反应研究，系统研究了停留时间、酸浓度对水解糖产率和纤维素转化率的影响规律。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。