查询词典 hexagonal

By means of X-ray diffraction, nitrogen adsorption, UV-Vis diffuse reflectance, a successful isomorphous substitution of titanium in the silica framework of SBA-15 samples with Si/Ti = 50, 25, 20 has been proved, the substitution of Ti for Si does not change the highly ordered two-dimensional hexagonal mesostructure of SBA-15. Titanium is totally tetrahedral and highly dispersed.

通过X射线衍射、N2气吸附脱附、紫外—可见漫反射等表征手段，证明在Si/Ti＝50，25，20时，钛原子成功地取代了SBA-15中的硅原子而没有改变SBA-15高度有序的介孔二维六角结构，其中钛全部以四配位状态存在，而且高度分散。

The electrostatic potential distribution for square lattice and hexagonal lattice was calculated.

作为算例，计算了在圆柱体排列为正方结构和六角密堆结构时电势分布。

The low-current STM image showed that polyaniline molecular wires on Au(111) clearly exhibited a hexagonal-lattice ordered arrays, and the nearest neighbor distance in all molecular direction was 〓 The easy and feasible route (supramolecular self-assembly with CD-electropolymerization) promises to prepare an insulated polyaniline molecular wire.

低电流STM图像表明在Au(111)表面的聚苯胺分子线为六角的二维有序，分子与分子之间的最相邻距离为〓这种先进行CD超分子自组装后电聚合的方法可能会成为一类制备导电聚合物绝缘分子导线的新方法。

This powerful identity is further reinforced by the hexagonal shape echoing that of the lozenge.

这个强有力的身分被六角形状加强进一步echoing 那锭剂。

Results: Before surgery, the mean corneal endothelial cell density was （2 828±400） mm－2, and the percentage of hexagonal cells was （62±6）% in central cornea.

结果：术前中央角膜内皮细胞密度平均为(2 828±400) mm－2，六边形细胞百分率为（62±6）％。

At the same time, the United States distribution Gates GATES, Italy Michael Gaudi MEGADYNE, Germany obi OPTIBELT, Japan Samsung MITSUBOSHI, Bando BANDO, such as world-renowned brand of industrial belts, product line includes single-sided tooth / double-sided tooth rubber timing belt, poly resin ammonium folder Wire / KEVELER core timing belt, V-belt, ribbed belts, PU opening three / five / hexagonal belt, PU round belt.

同时经销美国盖茨GATES、意大利麦高迪MEGADYNE、德国奥比OPTIBELT、日本三星MITSUBOSHI、阪东BANDO等世界知名品牌工业皮带，产品系列包括单面齿/双面齿橡胶同步带、聚铵脂夹钢丝/KEVELER芯同步带、三角带、多楔带、PU开口三/五/六角带、PU圆带等。

The results showed that the catalyst was hexagonal crystalline rod-shaped nanoparticle α-Fe2O3 with major axis of about (300-500) nm and minor axis of about (20-40) nm.

结果表明，制备的光催化剂为六方晶系的纳米棒状α-FeZO3，其长轴约为(300~500) nm，短轴约为(20~40) nm。

The crystalline phase of CePO4 nanowires changes from hexagonal to monoclinic monazite while the reaction time increases.

随水热反应时间的延长，磷酸铈纳米线从六方晶型转变为单斜晶型。

The hexagonal and monoclinic monazite CePO4 nanowires with a narrow range of diameter distribution and large aspect ratio were synthesized mildly through hydrothermal process at 150 ℃ using CeCl3·7H2O and H3PO4 as the raw materials. The crystal structure, micro-morphology, and photoluminescence of the nanowires were characterized by XRD, TEM, HRTEM, and UV spectrophotometer.

以铈盐和磷酸为前驱体，经水热合成获得了高长径比的具有六方晶型和单斜晶型独居石结构的CePO4纳米线，采用XRD、HRTEM、SEM和荧光光度计对其晶相组成、形貌及发光性能进行了表征。

For example, hexagonal arrays of nanoparticles on a monolayer of 107Jilin University Ph.

目前纳米材料的调控合成研究主要集中在维度和表面结构控制方面。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。