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- Having an atomic number greater than 92. 超铀的原子序数超过92的
- effective atomic number rule 有效原子序数法则
- effective atomic number 有效原子序数
- The atomic number appears as a subscript. 把原子系数标在左下角。
- Having an atomic number greater than92. 超铀的原子序数超过92的
- Atom number eight is called oxygen. 原子序数为8的物质叫做氧。
- A type of atom specified by its atomic number, atomic mass, and energy state, such as carbon 14. 核种由它的原子序数、原子量和能量状况具体确定的一种原子,如碳14。
- Semimetallic chemical element, chemical symbol B, atomic number 5. 半金属的化学元素,化学符号B,原子序数5。
- No change in atomic number is possible without a radical change in properties. 性质不发生根本的改变,原子序数的改变是不可能的。
- "Boron: Semimetallic chemical element, chemical symbol B, atomic number 5. 硼:半金属的化学元素,化学符号B,原子序数5。
- The acidic basic property of hydrated oxides was characterized by the effective static potential Z * /r of the center ions and the drawing of Z * /r -Z (atomic number) has been made. 用中心离子的有效离子势Z?/r来标度氧化物的水合物酸碱性;并绘出了Z?/r- Z(原子序数)图.
- This paper treats the simple history, bisic principles, analytical method, apparatus and application of Zeeman effect atomic absorption spectroscopy which has been developed. 本文叙述了塞曼效应原子吸收光谱分析方法简史、基本原理、分析方法、仪器和应用。
- The relation between the effect of adding rare earth oxides (CeO_2, Pr_2O_3 and Nd_2O_3) and their atomic number has been correlated. It was discovered that the selectivity of propene increases as the atomic number increases. 关联了CeO_2、Pr_2O_3与Nd_2O_3的稀土效应与其原子序数的关系,发现丙烯选择性随原子序数增加而提高。
- The rare-earth elements with atomic numbers 57 through 71. 原子量为从57到71的稀土元素。
- The filter is constructed as a sandwich from three materials of different atomic number. 屏蔽物由不同原子序数的三种物质的夹层组成。
- The electron range increases with decreasing atomic number and increasing incident beam energy E0. 电子射程随着原子序数的减少和入射束能量E0的增加而增加。
- A type of atom specified by its atomic number,atomic mass,and energy state,such as carbon14. 核种由它的原子序数、原子量和能量状况具体确定的一种原子,如碳14
- History of each element, atomic number, symbol, electron configuration, isotopes, its properties and its cost. 提供每个元素的基本信息、同位素、价值和历史。
- They have the same atomic number and hence nearly identical chemical behaviour but different atomic masses. 它们有相同的原子序数,因此化学行为几乎完全一样,但原子量不同。
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。