查询词典 shell-lac

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。

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）。

The hoisting technique with button pole group was applied smoothly for installing the latticed shell with elliptic surface at Yuncheng Agriculture Exhibition Center.

运城市农业会展中心椭圆曲面网壳结构安装，采用了以拔杆集群为主的吊装方法，保证了工程的顺利完工。

This is what Elsie looks like underneath her shell.

左图的照片就是壳子下面她的构造。

The larger particles contained in the pulverized product which has advanced into the elutriation device 2 are precipitated at the bottom portion of the elutriation device 2 and sucked by the sand pump 6 to also be returned to the tower shell 1 wherein the larger particles are again subjected to pulverization and leaching.

较大的颗粒在煤粉产品已经迈入了淘洗装置 2 沉淀在底层部分的淘洗装置 2 则是将由砂泵 6 也应该归还给塔壳里一大颗粒再次遭受为了粉碎和浸出。

Space thunder 汉姆?The shell 尔 Doctor encouragement Helen becomes the emancipator of thought, Joseph?Hero 弗 is lousy to deduce a drama for Helen of ingenious and vivid portrayal, Carnegie enthusiasm help Helen tested to go into Harvard to pull virtuous gram benefit man woman college, these a wise mans increased the 姿 of life for Helen colourful, created for her vital of fun.

格雷汉姆·贝尔博士鼓励海伦成为思想的解放者，约瑟夫·杰弗逊为海伦演绎戏剧的精妙与传神，卡内基热情帮助海伦考入了哈佛大学拉德克利夫女子学院，这些智者为海伦增添了人生的姿彩，为她缔造了生命的乐趣。

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。