In this paper, the concepts of star element and star ideals of a semi-ring are introduced.
本文引入了半环的星元素和星理想等概念,得到了星半环的所有星理想之集关于集合的包含关系构成完全分配格,并对半环的非空子集生成的星理想进行了刻划。
In this paper,the concepts of star element,star ideals and star congruences of a semiring are introduced.
本文引入了半环的星元素、星理想、星同余等概念,得到了半环的星同余的一些重要性质。
This article discusses the instability of some heavy atoms of higher oxidation states in P-block element and the various reasons of the inertial of the electrons,which in a 6s atomic orbital.
从原子轨道的结构特征及有效核电荷等方面讨论了P区重元素的高氧化态的不稳定性,说明造成6 s电子惰性的原因是多方面的。
With the synthesis of heavy elements approaching the super heavy island,the production cross section becomes smaller and the lifetime of the super heavy element becomes longer,which results in the difficulties for identification of the elements by using conventional alpha decay chain technique.
随着合成的超重元素向超重岛逼近,合成截面越来越小,同时,合成的超重元素的寿命可能相对增长,这对利用α衰变链的传统方法鉴别超重元素是非常不利的。
Analysis of Heavy Elements in Plants and Soil from Copper Mine of Langya Mountain in Anhui by SR-XRF;
安徽琅琊山铜矿植物和土壤重元素同步辐射X射线荧光分析
Low Valenic and Periodic Trends in Heavy Element Chemistry;
重元素化学中的低价态和周期性趋向
The importance of the atomic spectroscopy of heavy elements,especially the superheavy elements has been briefly reviewed.
论述了重元素,特别是超重元素原子谱学的重要意义。
The Effect of Mass Accretion on Elemental Abundances of Metal-Poor Extrinsic AGB Stars;
物质吸积对贫金属外赋AGB星元素丰度的影响
Comparison of S-elements Abundance in Strong Bariun Stars and Mild Bariun Stars;
强钡星和弱钡星s-元素丰度的分析
These elements become part of the interstellar gas and dust.
这些元素成了星际气体和星际尘埃的一部分。
Quasars or dwarf galaxies would scatter the elements more unevenly.
类星体或矮星系可使这些元素散布得更不平均。
" A supernova sprays space with many different elements.
超新星会向宇宙放射不同种类的元素。
The element hydrogen comprises 90% of the matter in gaseous nebulae.
元素氢占气体星云物质的百分之九十。
AGB Star Evolved Characteristic and Heavy Element Nucleosynthesis;
AGB星的演化特征及其重元素的核合成
A Calculative Method of Element Abundances in the Envelope of AGB Stars;
一种AGB星外包层元素丰度的计算方法
The Yields of R-process Elements and Chemical Evolution of the Galaxy;
r-process元素产量、产区及星系化学演化
A supernova not only blasts the heavy elements formed in the star out into interstellar space, but also initiates its own nuclear reaction, producing even heavier elements.
超新星不仅把恒星内形成的重元素抛入星际空间，而且它本身也会引发核反应产生更重的元素。
Asteroseismic Tests of Heavy Element Diffusion in Low-mass Stars;
利用星震学方法探测小质量恒星的重元素扩散效应
Win-win of film element and industrial strategy: comment on Stars on Earth
电影元素与产业战略的双赢——评影片《地球上的星星》
Investigation of the Parameters of Convectional Model for Heavy-Element Enhanced of s+r Stars;
单辐照参数化模型研究s+r星重元素超丰
Evaluative Analysis upon the Design Elements of Upscale-Hotel Websites in China;
中国高星级酒店网站设计元素测评分析
Comparison of the methods of calculating the abundances of heavy elements in metal-poor stars;
计算贫金属星重元素丰度分布方法的比较
Component proportions of the abundances of three typical heavy elements in metal-poor stars;
贫金属星三种典型重元素丰度的分量比例
The Heavy R-process Elements Yields and Abundances Scatter in the Halo of Galaxy
星系晕较重r-过程元素产量和丰度的离散
Simulation for Correlation Effect of Orientation Parameters on Satellite Image Positioning
卫星影像定位方位元素相关性影响仿真