查询词典 hexagonal system

Ordered macroporous SiO2 balls, exhibiting spherical structure with 200nm hexagonal-pores, have been successfully obtained by sol-gel templating method using the colloidal crystal balls consisting of the monodisperse modified polystyrene latex particles, which have been assembled into polymer opaline balls.

采用乳液聚合法合成了单分散改性聚苯乙烯乳胶粒，利用PS乳胶粒自组装制得胶体晶体微球，通过溶胶－凝胶模板法制备了有序大孔SiO2微球，通过SEM对改性PS乳胶粒、胶体晶体微球和有序大孔SiO2微球表面形貌进行了表征。

Then the materials were characterized by XRD, FT-IR, SEM, thermogravimetric analysis, and N2 adsorption-desorption experiments. It turned out the sample possessed ordered hexagonal mesoporous channels, high specific surface area of 1207 m2/g, high specific pore volume of 1.03 cm3/g and narrow pore distribution between 2~3nm.

通过 X 射线衍射、傅立叶转换光谱、扫描电镜、热重及低温氮气吸附-脱附试验等测试方法对样品进行了表征，表明该条件所合成的样品具有规整有序的六方介孔孔道，较大的比表面积(1207m2/g)和比孔容(1.03cm3/g)，孔径大小分布窄(2～3nm)，为高质量的 MCM-41 介孔分子筛。

Growth rates of between 0. 25 and 1. 3μm/min were reported with the C axis of hexagonal ZnO grown on(0112)-oriented Al2O3 lying in the plane of the film.

据报道，在（0112）取向的Al2O3衬底上生长C轴位于薄膜平面上的六角晶体ZnO的情形中，其生长速率在0.25μm／min和1.3μm／min之间。

The sound box can be round, hexagonal or octagonal, with one of its ends covered with snakeskin, sometimes from a python, and the other end an ornamentally carved sound vent .

琴简有圆形、六角形、八角形多种，一端蒙蛇皮或蟒皮，中置千斤，另一端置雕花音窗。

It is found that orthorhombic Fe2C is more stable than hexagonal Fe2C by 0.16eV on the basis of the computed cohesive energies.

研究结果表明，两种晶型Fe2C的磁性质相似，但正交堆积的Fe2C比六方堆积的Fe2C更稳定。

The phase diagram of the hexagonal superlattice pattern as a function of air concentration and applied voltage is obtained.

实验测量了超六边形斑图随空气含量和外加电压变化的相图。

When two Nows chance to meet at the hexagonal pilaster of the Zahringer Fountain, they compare the lives they have mastered, exchange information, and glance at their watches.

两位"这会儿"相遇在采令梅尔喷泉的六边形壁柱前，便要切磋生活，交流信息，偷眼看表。

Three-dimensional mesoporous SBA-15 has average mesostructure of hexagonal plane group symmetry p6mm.

棒状SBA一15材料的酶固定量可高达533m留g，约为普通介孔材料的的7倍。

The formation of hexagonal island will reduce the decay rate of top layer island into the low layer island.

计算结果表明吸附原子的扩散势垒与其所在表面所属台阶类型有关；Ag原子在交换机制和跳跃机制下扩散需克服的势垒分别是0.64eV和0.93eV。

Based on the observation of atomic force microscopy, the etching morphology of faces and sections with different crystallographic significance on α-quartz has been studied. The etching morphology on the natural crystal faces hexagonal prism faces (1010 and 01(average10, rhombohedron positive form face 10(average11, rhombohedron negative form face 01(average11 and the sections between any of the two crystal faces has been observed. It is shown that the etching pit on the same simple form has the same shape, while the orientation of the etching pits can be different. Different simple forms have different shapes of etching pits and the shapes of etching pits on positive form and negative form of the same simple form are also different.

通过对α-石英自然晶面六方柱面10(平均值10和01(平均值10、菱面体正形面10(平均值11与菱面体负形面01(平均值11、以及介于上述自然晶面之间的切面进行腐蚀形貌的观察研究发现，石英晶体同种单形的晶面腐蚀坑形态相同，但方位可以有变化，不同单形的晶面腐蚀坑形态不同；同一单形的正形与负形腐蚀坑形状不同；蚀坑形态能够反映晶体的对称性。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。