G 7 adj. 七国集团(Group of Seven)的 atomic number 7 phr. 【化学】原子序号7氮 System 7 【计】 System7操作系统 activated 7 dehydrocholesterol 【医】 活化7-脱氢胆甾醇 Yinchiao (abdomen, Ren 7) 阴交 7 bar pattern 日字形七划图形 Cleansweep 7 【文】横扫七星《哈利·波特》中慢型号的扫帚 Ac...
atomic number 参考例子 1.Based on the number set, a new commutative semi-group is established in the integer number and extended in number fields of rational number, real number and the complex number. 在数集的基础上,在整数域上建立了一个新的交换半群,并在有理数域、实数域和复数域上进行了...
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Numerous compounds are specified.ALSO:Arene metal compounds of formula AMQ(Y)n where M is a central metal atom having an atomic number of from 7 to 14 less than that of the next higher rare gas of atomic number 36, 54 or p 86, A is an arene molecule co-ordinately linked to the ...
atomic number 7noun a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues +添加翻译 英文-芬兰文字典 N noun
If an atom with a mass number of 202 has 122 neutrons, it is an atom of which element? What is the difference between an atom and an element? The atomic number of oxygen is 8. What is the mass number of an oxygen atom with 7 neutrons?
The theory of atomic structure developed in the two preceding papers which treats electron correlation accurately in excited as well as ground states is applied to the evaluation of multiplet absorption oscillator strengths for a number of transitions of the type of 1s2s2p-->1s2s2pin CII, NI,...
particular, atomic force microscopy combined with ultra-flat coplanar nano-electrodes provides a promising platform to isolate single or a small number of molecular features (e.g. vacancies, defects, grain boundaries) in organic films as well as to identify the role of these features at the...
In this study, the attitude of some photon absorption energy related parameters such as coherent, Compton, photoelectric, pair-nuclear, pair-electronic, the total mass attenuation coefficients, effective atomic number, and electron density are investigated for two the mixtures, concentrated colemanite and...
combining weight,eq,equivalent weight,equivalent- the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen meq,milliequivalent- one-thousandth of an equivalent