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- meter valence electrons scale 计价电子秤
- The outer ring contains the valence electrons. 排在外层的有价电子。
- The magnetic fields of the valence electrons do not cancel. 价电子的磁性没有抵消。
- Elements 3 is a nonmetal with one valence electron. 元素3是带-1价的非金属元素。
- A set of eight valence electrons in an atom or ion, forming a stable configuration. 八重态在一个原子或离子中,形成稳定组态的一组八个化合价电子
- Two shared valence electrons forming a bond between adjacent nuclei. 形成电子核子之间的键的两个共享原子价电子。
- Transition element Any chemical element with valence electrons in two shells instead of only one. 过渡元素及其化合物:价电子处在两个壳层而不是一个壳层里的任何化学元素。
- It was generally believed that in a metal the valence electrons are easily detached from the individual atoms. 一般认为,在金属中价电子容易脱离个别原子。
- Mercury has two valence electrons,and its spectral series has monolayer structures and three-layer structures. 汞具有两个价电子,其光谱系有单层结构和三层结构,不同结构塞曼效应中分裂的情况不同。
- One way to simplify the problem is to divide the electrons into two groups: the 36 core electrons, and the two 4s valence electrons. 简化此问题的一个方法是把电子分成两组:36个原子实电子和2个4s价电子。
- The silicon atom occupies the space opening(interstice)between the oxygen atoms and shares four valence electrons with the four oxygen atoms. 硅原子占据了氧原子之间的空隙并且和四个氧原子共用化合价。
- The electronic scale(No BS-600H) was used in superperiod. 电子称(编号:BS-600H)超周期使用。
- The methyl group carbon atom has 6 valence electrons from its bonds to the hydrogen atoms because carbon is more electronegative than hydrogen. 由于碳电负性高于氢,因此甲基中的碳原子具有6个价电子。
- The charge, orbital, or spin ordering of valence electrons in advanced materials can be incommensurate with the periodic structure of lattice. 摘要在前瞻性材料中,价电子的分布可呈现与原子结构不一致的周期性,形成电荷、轨域或自旋有序排列。
- It is impossible to see through metals, since these valence electrons absorb any photons of light which reach the metal. No photons pass through. 因为这些阶电子吸收到达金属的光子,所以透过金属不可能看得见。没有光子能通过金属。
- It was assumed that, in a metal, the outer atomic electrons, known as the valence electrons since they are the ones which take part in chemical binding. 曾经假设,金属中原子的外层电子并不是束缚在个别原子上,这些外电子被称为价电子,因为它们是参与化学键的电子。
- Hangzhou Sifang Electronic Scales Co., Ltd. 杭州四方电子衡器厂。
- Within the Debye model the deduced number of valence electrons per metallic atom agrees with the corresponding number from the Hall coefficient, for all metals investigated. 这一现象也可以用德拜模型解释,并利用完全无关的霍尔系数方法就电子浓度信息进行了验证。
- Fuzhou Kejie Electronic Scales Co., Ltd. 福州科杰电子衡器有限公司。
- Resonant soft X-ray scattering is a newly developed technique and sensitive to the charge, orbital, or spin ordering of valence electrons in transition-metal compounds. 近年来科学界发展的软X光共振散射实验技术,是研究电荷、轨域以及自旋有序的实验利器。