Preparation of ZrO_2 spherical nanometer powders;
球形纳米氧化锆粉末的制备
Preparation and characterization of uniform spherical nanometer silver powder;
规则球形纳米银粉的制备及表征
The preparation of ZrO_2 spherical nanometer powders via emulsion processing route;
用乳液法制备ZrO_2纳米球形颗粒
The results show that SiO2 is amorphous sphere at a 40nm diameter, and its surface has a lot of hydroxyl groups, which can form an absorption film on metal surface
结果表明二氧化硅为40nm左右的球形,属于无定形结构,表面含有大量的羟基,可在金属表面形成吸附薄膜。
The experimental results of XRD and SEM show that the CaS:Mn2+, Eu2+ phosphors possess the crystalline structures with sphere, the mean grain sizes of phosphors are 250-400nm.
在微波场作用下，首次快速合成了球形亚超细尺寸的 ＣａＳ： Ｍｎ２＋，Ｅｕ２＋深红色荧光 体，ＳＥＭ照片显示其粒径为２５０～４００ｎｍ，并可观察到纳米粒子的团聚现象，呈现零维纳米材 料的特性。
For the improved phosphors, the ideal morphology is that of perfect sphere.
喷雾热解法是近年来新兴的合成无机功能材料的方法 ,使用这种方法制备的发光材料一般具有均匀的球形形貌 ,粒子的粒度分布窄 ,这不仅有利于提高材料的发光强度 ,还可以改善发光粉的涂敷性能并提高发光显示的分辨率。
A bacterium having a spherical or spheroidal shape.
球菌球形或回转扁椭球体形状的细菌
of or relating to spheres or resembling a sphere.
属于、关于球，或象球形。
A spherical earth is not hard to accept.
地球具有球形不难接受。
A spherical or bowllike container, especially a glass cover for a light bulb.
球形器皿球形的器皿，尤指球形玻璃灯罩
any spherical or nearly spherical bacteria.
任何球形或像球形的细菌。
A knob-shaped handle for opening and closing a door.
球形把手一种用来开、关门的球形把手
(British) a form of football played with an oval ball.
（英国）用椭圆形球的一种橄榄球形式。
The most common cylinder head types are the hemi, wedge, and semi-hemi.
最常见的气缸盖类型是半球形，楔形和准半球形。
They are portions of a sphere, a torus or a cone.
他们是一球形、环形或锥形的一部分。
pipeline inspection sphere
管线检查球形潜水器
It's a map shaped like the world.
是一张地球形状的地图。?
universal ball float adapter
万能球形活动头转接器
flaming onions
[军俚]火球形的高射炮火
The earth was formed aeons ago.
地球形成於亿万年前.
dual induction spherically focused log
双感应球形聚焦测井
induction spherically focused log
感应- 球形聚焦测井
the geometry of figures on the surface of a sphere.
球形表面物体的几何学。
The Earth is like a ball.
地球的形状象一个球。