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- This bond is a weak electrostatic force of attraction between the pro ton of a hydrogen atom and the electron cloud of a neighboring electro-negative atom. 氢键是氢原子核及其相邻的负电荷原子的电子云之间的一种微弱的静电吸引力。
- Electron Cloud Instability (ECI) may take place in positron storage ring when the machine is operated with multi-bunch positron beam. 正电子储存环在多束团运行时有可能发生电子云不稳定性 (ECI) .
- The electron cloud effect limits the performance of several accelerators with high beam current, such as SLAC and KEK B factories, the CERN SPS and the CERN PS. 电子云效应限制了几台加速器的高束流密度运行;例如SLAC和KEK的B工厂;CERN的SPS与PS.
- To use X-ray diffraction as an example, a single X-ray photon diffracting off of one electron cloud will not generate a strong enough signal for the equipment to detect. 以X射线衍射为例，被某个固体原子（或离子）的外层电子散射的X射线光子太少，构成的辐射强度不足以被仪器检测到。
- The reason is that the electron withdrawing and donating of two substituting groups result in the changes in the density of electron cloud of chemical bonds in ortho position. 这是由于两个取代基的吸或供电子引起了相邻化学键的电子云密度发生变化,使旋光度相应变化,从而导致旋光性。
- The fact that more positive electrode potential could speed up the progress of self-assembling implies the high density of electron cloud around the sulfur atom in CAW-thiol molecules. 正移电极电位能加快组装过程的实验结果。揭示了巯基化碳原子线上的硫原子的电子云密度较高的事实。
- In [[chemical reactions]], orbital wavefunctions are modified, i.e. the [[electron cloud]] shape is changed, according to the type of atoms participating in the [[chemical bonding|chemical bond]]. 在[[化学反应]]过程中，轨道波函数会发生改变，例如，根据原子所参与形成的[[化学键]]的类型，[[电子云]]的形状会相应改变。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- The analogy that springs to mind here is a theatre performance with audience participation: the electronic cloud will adapt to whatever it engulfs. 就好比是观众期待中的一场剧院演出，电子云可以适应各种情形。
- The electron clouds are clearly visible as blurs surrounding the invisible nuclei. 电子云就象环绕着看不见的核的一片云雾。
- Angular distribution of electron cloud 电子云角度分布
- On the "Penetration Effect of Electron Cloud" 评“电子云的钻穿效应”
- inductor model of electron cloud 电子云导体模型
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- There are several kinds of cloud formations. 云层的构成方式有好几种。
- The couple seemed to be on cloud nine. 那对夫妇看上去极其幸福。
- The sun disappeared behind a cloud. 太阳消失在一片云后面。
- The wind dispersed the cloud from the sky. 风吹散了天上的云。
- He was on cloud nine after winning the competition. 他在比赛获胜後欣喜若狂。
- The banks of dark cloud promised rain. 天上片片乌云，就要下雨了。
