查询词典 pillared

Chromium and iron oxide supported silica-pillared zirconium phosphates with high surface area have been prepared successfully by the new method as well.

2同样采用先负载后再焙烧的方法，制备了大比表面负载氧化铬和氧化铁的氧化硅层柱磷酸锆，进一步表明此方法具有一定的普遍意义。

The results showed that the catalytic selectivity of this transesterification reaction over these organic anion-pillared hydrotalcite was significantly improved.

结果表明，与水滑石相比，org-LDHs对碳酸二甲酯与苯酚酯交换反应的催化选择性有显著的提高。

The light and thermal stability of methyl orange anion-pillared hydrotalcite was enhanced to a considerable extent, comparing with that of methyl orange.

该超分子结构材料不仅保持了甲基橙本身的颜色，而且与甲基橙相比，其耐光性和耐热性均有大幅度的提高。

Isopoly and Heteropoly anion-Pillared Hydrotalcites are a new type of materials.

同多和杂多阴离子柱撑水滑石类层柱状化合物是一类新型材料。

Arsenic; TiO_2-pillared interlayer montmorilonite; Doped; Desorption; Regeneration

工程科技II，工业通用技术及设备，工程基础科学砷；钛柱撑蒙脱石；掺杂；脱附；再生

In the catalytic oxidation of hydrocarbons, titania-pillared zirconium phosphonate and phenylphosphonate had a catalytic activity higher than TiO2, they also showed a good stability during the reaction.

在烃类的催化氧化反应中，氧化钛层柱磷酸锆具有优于TiO2的选择氧化性能，并在反应中表现出较好的稳定性。

XRD, FTIR and SEM were applied to characterize and analyze the pillared-products, and the influencing factors of pillaring were studied.

使用XRD、FTIR和SEM等对柱撑产物的性能进行表征和分析，同时研究柱化反应的影响因素。

Pillared interlayered clay catalyst has been prepared by titration, over which DPC yield is 9.08%. Influence of OH7Pb2+, temperature of pillaring process and calcination temperature on the activity of catalyst has been studied.

用滴定法制备了层柱型催化剂，考察了OH~-/Pb~(2+)值、插层反应温度及焙烧温度对催化剂性能的影响，优化了催化剂制备条件。

X-ray diffraction showed that the hydroxy-chromium oligocations can be used as a stable pillaring agent after aging at 70 ℃ for four days, and a pillared composite with high crystallinity can be obtain...

与原料2H-MoS2相比，柱撑材料的层间距增大，晶粒变小，比表面积增加并且热稳定性提高。对催化苯饱和加氢反应表明，柱撑材料Cr-MoS2的催化活性明显优于未柱撑的2H-MoS2和RaneyNi催化剂，且结晶度较好的柱撑材料更具有较高的催化活性和较好的可重复性。

The results indicate that the pillaring process and crystal growing of anatase can be more easily realized by increasing the acid-base ratio of pillaring agents, raising the pillaring temperature and adding proper quantities of alkali. The calcination of Ti-pillared precursor brings the growth of TiO2 grain, at the same time the layer distance is declined. In order to obtain ideal products, the right pillaring conditions are: the acid-base ratio of pillaring agents of 13, pillaring temperature of 65 ℃ and the volume of alkali (2 mol/L) in pillaring liquid of 6 mL.

结果表明：在一定范围内增大柱撑剂酸碱比、提高柱撑温度以及加入适量碱，有利于插层复合反应的进行和锐钛晶型的生长；柱撑前驱物焙烧后TiO2晶粒长大，同时焙烧引起的脱水导致膨润土层间距的下降；为获得较理想的产物，合适的柱化条件为：柱撑剂酸碱比 n n (HNO3)为13、柱撑温度65 ℃和柱撑液加碱量为(2 mol/L NaOH) 6 mL。

I smile at your play with that little bit of a broken twig.

我微笑着看你玩那一段小小的树枝。

They may be produced for almost any shaft angle.

他们可能在制作中几乎任何一个轴角。