r-process

Sites for r-process Nucleosynthesis and Scatter of Abundance for Heavy Elements;

r-過程核合成的場所和重元素豐度的離散

We investigate the solutions of differential equation arising in the R-process of supernova expansion,show the well-posedness of solution in general conditions.

研究了超新星爆發的R-過程出現的微分方程,證明了在一般情況下的解的適定性,并對兩類特殊情況的求解作了進一步的研究。

Based on the calculation of yields and productive mass range of this paper,the abundance scatter of the heavy r-process elements was calculated and the results were compared with the observation.

采用Fields等所提出的模型,將超新星爆發產生r-過程元素的事件分為2類:A類(r-rich)事件和B類(r-poor)事件,結合所得到的Ⅱ型超新星r-過程元素的產量和產區,計算了貧金屬星較重r-過程元素的彌散,并與觀測進行對比分析,解釋早期星系化學演化。

The Heavy R-process Elements Yields and Abundances Scatter in the Halo of Galaxy

星系暈較重r-過程元素產量和豐度的離散

The Mass Accretion and Yields of r-process in the s+r Stars;

s+r星的r-過程物質吸積及產量估計

A research on the element migration in the course of smoking by the element ratio method

元素比值法用于吸煙過程的元素遷移研究

The Yields of R-process Elements and Chemical Evolution of the Galaxy;

r-process元素產量、產區及星系化學演化

Rare earth elements can also adjust the growth process of plant.

稀土元素也可調節植物的生長過程。

One of the products of this breakdown is the element chlorine.

這種分解過程的產物之一是元素氯。

Study on Chelation Character of Metal Elements in Pulp Flow

紙漿過程流金屬元素的螯合特性研究

Let us suppose that with n objects and only wish to arrange a row of r of them. (r≤n).

我們考慮從幾個元素中只取r個（r≤n）排列一行的情形。

The Martin Boundary of Minimal Processes and Ray-Knight Compactification;

極小過程的Martin邊界與R-K緊化

The Performance Analysis on Government R&D Input Based on Process;

基于過程的政府R&D投入績效分析

Process Performance--New Perspective of R&D Team Management;

過程績效——R&D團隊管理的新視角

The Evolution of R&D Process Management Based on IT/IS;

基于IT/IS的R&D過程管理的演進

Evaluation of GSM-R Network Performance Quality through Signalling Processes

通過信令流程評估GSM-R網絡性能質量

A Parametric Approach to Mental-poor S-,R-process Both Enhanced Stars

貧金屬s-、r-過程雙增豐星參數化研究

The Influence of Element's Z~*/r to element's atom,bydronium and single chemical's property

元素的Z~*/r對元素的原子、離子及單質性質的影響

Investigation of the Parameters of Convectional Model for Heavy-Element Enhanced of s+r Stars;

單輻照參數化模型研究s+r星重元素超豐

Study on the Transfer Course of the Nitrogen Element of Lake WuLiangSuHai Through Hydrophytes Harvesting Project;

水草收割工程對烏梁素海氮元素轉移過程的研究

Variation of Rare Earth Elements in Process of Smelting of Copper Ores in the Ancient Times

古代銅礦冶煉過程中稀土元素的變化研究