1) hydrogen scale
氢标度
2) Z-scaled hydrogenic model
Z标度类氢模型
1.
The electron-impact ionization results for Na-like Cu, Se and Tc ions including inner-shell electrons ionization and excitation-autoionization were obtained by using Coulomb-Born-exchange approximation and Z-scaled hydrogenic model in which the definition and evaluation of the screening constant were improved.
本文在Z标度类氢模型算法下,采用库仑-玻恩交换近似和改善的屏蔽常数定义,计算了类钠铜离子和类钠水窗两端的硒和锝离子的内外壳层电子的电子碰撞直接电离和非直接激发自电离的速率系数和截面。
3) mono-hydrogen excess standard
单氢超标
4) normal hydrogen
标准氢
1.
Molecular structuxe of normal hydrogen and parahydrogen were discussed.
本文首先对标准氢（Normalhydrogen）及仲氢（Parahydrogeh）的分子结构特性作了论述，然后对它们的热力学性质数据进行了分析研究和计算，并为工程计算提供了一套氢的物性基础数据。
5) hydrogen maser
氢频标
1.
We summarize the study progress in microwave cavity miniaturization of satellite hydrogen maser at home and abroad,and point out the main research contents,technology difficulties,theory and project application values in microwave cavity research of small hydrogen maser.
概述了星载氢原子频标谐振腔在国内外的研究现状,指出了小型氢频标谐振腔研究的主要内容、技术难点以及学术理论及其工程应用价值。
2.
The modes of magnetron type microwave cavity and empty type cavity in small-scaled hydrogen maser are established with Ansoft HFSS;the resonant frequencies,quality factors and electromagnetic field modes are simulated to the two different microwave cavities.
用Ansoft HFSS仿真软件建立了小型氢频标空型和磁控管型微波腔模型结构,仿真了2种不同微波腔的谐振频率、品质因数和电磁场结构。
6) hydrogen scale
氢温标
补充资料：鲍林标度
鲍林标度是莱纳斯·鲍林提出对电负性的标度。
电负性的定义和计算方法有多种，每一种方法的电负性数值都不同。鲍林标度根据热化学数据和分子的键能，指定氟的电负性为3.98，计算其它元素的相对电负性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条