查询词典 conch shell

The present invention relates to preparation technology of electromagnetically responding composite grain, and is especially one kind of porous composite silica/nickel/titania grain in core-shell structure and its preparation process.

本发明涉及一种电磁响应性复合颗粒的制备技术，特别涉及一种多孔二氧化硅/镍/二氧化钛核-壳结构的复合颗粒及其制备方法。

Electrons at the same electron energy level are also said to be in the same electron shell.

同一电子能级的电子被称作同一电子层的电子。

The energy state of an electron within an atom, represented by the electron energy level or shell, can theoretically represent one, two, four, eight, or even 16 bits of data.

用电子能级表示的原子中电子的能态，理论上可以表示1、2、4、8、甚至16位的数据。

Similarly, the number of negatively charged electrons moving around the nuclei of the atoms increases across a period, but the additional electrons are all located in the same electron energy level or shell.

在一个周期里，原子的核电荷数和核外电子数递增，但是另外的电子都排布在同一电子能级或电子层中。

Usually by the electron gun, screen and tube-shell three major components.

通常由电子枪、荧光屏和管壳三大部分组成。

Learning the valence shell electron pair repulsion theory, they need to determine the shapes of simple molecules with the help of models and 3-D animations.

通过学习价电子对互斥理论，在模型和3D 动画的帮助下，构建出分子的形状。

This paper analyzes shell electron pair repulsion theory, valence-bond theory and molecular orbital theory on molecular structure of noble gas compounds.

对稀有气体化合物的分子结构分别用"价层电子对互斥理论"、价键理论"和"分子轨道理论进行了分析处理。

Unix / Linux computer systems for banks to use a very wide range of an operating system, AWK is a Unix / Linux under a deal with the text of the programming language tools, is a SHELL program design with, BC, and language features of C programming language, It is the Unix operating system, and mode of dealing with the calculation squadron of great benefit both as a tool, both as a command, but also a group of control language, is a very elegant programming language, its documentation a simple and neat, and then be able to complete a number of other tools difficult to complete the task, and thus has a very wide range of uses, given its ability to handle the power of a text file,In this regard giving full play to its unique advantages.

Unix/Linux 是银行计算机系统中使用特别广泛旳─种操作系统，AWK是Unix/Linux下一种解决文本的编程语言工具，是一种具备SHELL程序设计、BC和C语言特征的程序设计语言，它是Unix系统中队计算业务和模式处理都大有裨益的一种工具，它既是命令，也是一组控制语言，是一种相当优雅的程序设计语言，其文档简洁明快，并接能够完成许多其他工具难以完成的任务，因而具有相当广泛的用途，鉴于其具有处理文本文件的强大功能，在这方面可以充分发挥其独特的优势。

Based on the basic concept and nomoment theory of rotational shell,the geometry and membrane stresses of the ellipsoidal head are discussed in this paper.

根据回转壳体的基本概念及回转薄壳的无力矩理论，探讨了椭圆封头的几何形状及其薄膜应力等问题。

In this paper, the method of small parameter is used to discuss the problems of stress concenration in the neighborhood of a concentrated load or a circular hole on a shallow shell of elliptic paraboloid.

本文采用小参数解法讨论了椭圆抛物面扁壳在集中荷载和圆孔附近的应力集中问题。所取的小参数为ε＝／这里Kx和Ky是沿x和y方向的曲率）。

We have something to do in the new stage.

在这段崭新的时期中，我们有一些要做的。

The difference between tourism decision-making under uncertainty and risky tourism decision-making is indistinctive.

其中不确定性旅游决策和风险旅游决策的界线比较模糊，两者的区分是相对的。