查询词典 calcination

The moistureproof lime powder with high activity and fluidity has been made by a special calcination method,rapid grinding technique and physical passivation treatment technology.

采用特殊的石灰锻烧方法、高速粉碎技术以及特殊的物理纯化处理技术，研制出防潮性和流动性能好活性度高的新型石灰粉剂。

Effects of sonic factors, including dosage of catalyst, calcination temperature of catalyst, nitrated reaction time and recovered catalyst, on the selectivity of toluene in mononitration at the presence of silicotungstic acid catalyst were studied by gas chromatography.

通过气相色谱研究了诸如催化剂用量、催化剂焙烧温度、硝化反应时间、硝化反应温度及催化剂的重复使用等因素对甲苯硝酸硝化区域选择性的影响。

In the calcination of precursors, there is always a certain amount of Mg-rich magnesium niobate, i.

分析表明，在前驱体的煅烧反应过程中，总是有一定量的相对富Mg的Mg〓Nb〓0〓作为主相MgNb〓O〓的伴生产物而出现。

A series of niobic acids at different calcination temperatures was prepared.

在不同焙烧温度下制备了一系列固体铌酸催化剂。

The effects of all kinds of factors, just like calcination temperature of niobic acid catalysts, nitration reaction time, nitration reaction temperature, recovered catalyst, acetic anhydride and concentration of nitric acid were studied by gas chromatography.

研究了催化剂焙烧温度、硝化反应时间、硝化反应温度、有无醋酸存在、硝酸浓度、催化剂的重复使用等因素对甲苯硝化反应影响。

According to the evaluate and the sift through light paraffine isomerization catalyst,It showsthat preparated Pt-SO_4~(2-)/ZrO_2-Al_2O_3 catalyst achieved superior activity under the condition thatthe calcination temperature is 650°C、 concengtration of SO_4~(2-) is 0.5mol/L、 the content ofAl_2O_3 is 30% and content of Pt is 5%.

通过对轻质烷烃异构化催化剂的评价与筛选，表明所制备的 Pt-SO_4~(2-)/ZrO_2-Al_2O_3 催化剂在焙烧温度为 650°C 、SO_4~(2-)浓度为 0.5mol/L、第二金属氧化物组分 Al_2O_3含量为 30%，金属 Pt 含量为 0.3%时，该催化剂用于异构化反应效果最佳。

The effects of preparing conditions such as calcination temperature on the physical characteristics and the photoactivity were investigated.

纳米TiO_2／粘土复合光催化剂是将TiO_2固定在粘土矿物的表面形成纳米薄层或分散均匀的TiO_2纳米晶体。

The reasons for the variational photoactivity, the influence induced by the introduction of SiO2 between TiO2 shell and magnetic core, and the effect of heat treatment on the composite are presented. And the preparation methods aimed at avoiding high temperature calcination are also stated.

对引入磁核后催化剂活性的变化及其诱因、在磁核与TiO2之间引入SiO2隔离层的作用以及热处理对体系产生的影响进行了较为详细的阐述，同时还介绍了以避免较高温度热处理为目标的低温制备工艺。

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。

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 split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。