查询词典 crystallite

The effects of synthesis temperature on the lattice parameter,the crystallite size and the content of CO2-3 of the prepared samples,the effects of the concentration of reactants on the particle size and morphology,and the effects of the molar ratio of barium hydroxide to tetrabutyl titanate on the molar ratio of bar...

研究了合成温度对样品的晶胞参数、晶粒大小和CO32-含量的影响；反应物浓度对样品的颗粒大小和形貌的影响；氢氧化钡与钛酸四丁酯的摩尔比对样品中钡钛摩尔比的影响。

Moreover, if the bond length or angle of the growing crystallite bonding with the arriving radical is distored, the crystallite growth of this direction is also stoped.

当一个生长着的晶粒遇到邻近的簇团，将形成变形的键，这样品粒在此方向生长停止。

The results of photocatalytic degradation to methyl orange show that the mixed crystallite of anatase and brookite has the best photocatalytic activity.

光催化降解甲基橙活性结果表明锐钛矿和板钛矿混晶具有最好的光催化活性。

Result of photocatalytic degradation of methyl orange showed that the TiO2 photocatalytic activity decreased with the decreasing of anatase ratio in the mixed crystallite of anatase,rutile,and brookite;and photocatalytic activity of pure rutile TiO2 was relatively bad.

光催化降解甲基橙的研究表明，所得锐钛矿、金红石和板钛矿3种混晶中，二氧化钛的光催化活性随着锐钛矿含量的降低而降低；纯金红石型二氧化钛的光催化活性较差。

Crystallite sizes of ceria particles annealed at 100 and 400 1C with 6–16 nm show good agreement to sizes estimated for cerium hydroxide nanoparticles.

在100和400摄氏度下退火，尺寸为6-16纳米的氧化铈颗粒的微晶尺寸同估计的氢氧化铈纳米颗粒尺寸有良好的一致性。

Some of them exist alone, and some of them grow up together with Ni〓Al ultra-crystallite or crystallite.

它们有些是单独存在，有些则与Ni〓Al微晶和Ni〓Al晶体生长在一起。

On the NiO/SiO〓 catalyst prepared by IM, the main hydrogenation product of MA was SA, the activity and selectivity were almost no relation with the nickel content and nickel species 3. Summarizing the characterization and activity evaluation of the catalysts, we concluded: On nickel based catalyst, when NiO was crystallite, and the Ni〓 that was prepared by reducing, hydrogenation of the MA could lead to SA but not to γ-BL; when NiO was cluster and had a properly interaction with the support, the Ni〓 prepared by reducing, could hydrogenate MA to SA then to γ-BL. When NiO cluster and crystallite were both existed on the catalyst, the hydrogenation products were mixture of SA and γ-BL, and the amounts of SA and γ-BL were related with the ratio of cluster and crystallite.

综合催化剂的表征和活性评价得出：当镍基催化剂上氧化镍以结晶态存在，经氢还原后的零价镍可使顺丁烯二酸酐加氢得到丁二酸酐，丁二酸酐难以进一步加氢为γ-丁内酯；当镍基催化剂上氧化镍以簇团形式存在，与载体之间有适当的相互作用时，经氢还原后的零价镍可使顺丁烯二酸酐加氢得到的丁二酸酐进一步加氢为γ-丁内酯；若催化剂上氧化镍既有结晶态又有簇团形式时，随二者含量比例不同而得到丁二酸酐和γ-丁内酯的混合物。

The good catalytic performances were obtained on those catalysts supported by SiO_2. With the increasing calcination temperature from 300℃to 700℃, Co_3O_4 particles augmented and sintered on the samples surface which contained 10 wt.% cobalt, the crystallite size of Co_3O_4 was aggrandized from 7.2 nm to 20.3 nm by inchmeal. On the other hand, the activation energy for the combustion reaction was increased linearly with the augment of average crystallite size of Co_3O_4, the TOF value on prepared catalyst was decreased with it. Thus, the catalytic combustion was a typical structure-sensitive reaction.

在钴含量为10 wt%的样品上，随着焙烧温度由300℃提高到700℃，钴物种出现迁移团聚甚至烧结，在XRD中测定的Co_3O_4晶粒尺寸由7.2 nm逐步增加至20.3 nm；另一方面，催化剂的燃烧活化能随样品上Co_3O_4晶粒的平均尺寸增加而呈现线形增加趋势，而单位时间内单位活性物种上的甲烷转换频数随着粒径增加而逐渐降低，这一现象证实了该反应属于典型的结构敏感反应。

The results show that the sample prepared by coprecipitation method exhibits the highest activity and has the largest crystallite size, and after reaction for 140 min, 53.6% of rhodamine B is decolored; while for catalyst prepared by the citric acid complexation, the decoloration ratio is only 9.0%, though the latter has a higher surface area and smaller crystallite size than the former.

研究结果表明：这4种方法均能制备单一的钙钛矿型LaFeO3催化剂，其中，共沉淀法制备的催化剂具有最大的晶粒尺寸，最小的比表面积，仅为0.4 m2/g，显示出最强的光催化活性；在可见光照射下反应140 min，罗丹明B的脱色率达到53.6%。柠檬酸络合法制备的催化剂的比表面积最大，为8.1 m2/g，但其脱色率仅为9.0%。

Compared with ordinary quartz, owing to nanoscale alumina crystallite, the artificial stone made of TISM nanoscale microcrystallite quartz can stand higher temperature (as high as 800℃ instantly), become harder (reaching 6 according to mohs hardness scale), and enjoy better plasticity because of nano alumina crystallite's good mouldability.

帝斯曼TISM纳米微晶石英石同普通石英石相比，由於增添了纳米氧化铝微晶粒子，整体板材更耐高温（暂态耐温度可达到800摄氏度以上），硬度更大（莫氏硬度达到6以上），同时结合纳米氧化铝微晶粒子在抗拉伸疲劳中出现可塑性形变的特点，所以整体板材相对于普通石英石韧性更好、可塑性更高，更不易开裂。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。