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。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。