nucleosynthesis 中文意思是什麼
nucleosynthesis
解釋
核紡錘體-
Big - bang nucleosynthesis
大爆炸核合成 -
Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis
課程的主題包含了：行星、行星形成；恆星、太陽、正常的恆星、恆星形成；恆星演化、超新星、緻密天體（白矮星、中子星及黑洞） 、波霎、雙x -射線源；星團、球狀及疏散星團；星際介質、氣體、塵埃、磁場、宇宙射線；距離階梯；星系、正常及活躍星系、噴流；重力透鏡；大尺度結構；牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史；宇宙背景微波輻射；大霹靂核合成。 -
The average abundance distributions of heavy elements in metal - poor stars can provide fairly direct and detailed information on the nucleosynthesis in every stage after the formation of galaxies. furthermore, it can put more accurate constraints on the chemical evolution of neutron - capture elements. the solution to this problem will have important effect on the solution to a series of problems about nuclear astrophysics and the galactic evolution
貧金屬星的中子俘獲元素豐度分佈能提供星系形成后各個階段核合成的較為直接和詳細的信息，並為星系化學演化的研究提供更為準確的約束，這一問題的解決將對核天體物理及星系化學演化的一系列問題的解決產生重要影響。 -
S - process nucleosynthesis in agb stars : the asymptotic distribution of neutron exposures
中子輻照量漸近分佈 -
Big bang nucleosynthesis
大爆炸核合成 -
S - process nucleosynthesis may be a useful constraint for the evolution and convection in massive stars
過程核合成可以為大質量星的演化和對流提供有用的約束。 -
In this dissertation, the theory of radiative capture reaction and the s - process of nucleosynthesis of heavy element of astrophysics have been investigated
本文研究了輻射俘獲反應理論和天體重元素核合成的s ?過程。 -
Adopting single pulse neutron exposure 22ne ( a, n ) 2dmg and the updated neutron cross section, making use of the core helium burning model of the single neutron exposure theory, we calculate the s - process nucleosynthesis in massive stars at different mettalicity and compare the results with the solar s - weak component
我們採用單脈沖中子源『 zne （ a ， n ） zsmg ，採用最新發表的中子俘獲截面，用中心氦燃燒模型計算了各金屬豐度情況下15m m叼0m 。的大質量星的s過程核合成，並將所得結果與太陽的s刁分量進行比較。 -
S - process nucleosynthesis in agb star : the probability of a fe seed nucleus experiencing neutron irradiation
鐵種子核受中子照射的概率 -
Simultaneously, enhancement of the cross section must has had been played an important role in astrophysical nuclear process. we investigate the s - process of nucleosynthesis of heavy element of astrophysics and give a group of analytic solutions for the s - process. to check up the analytic solutions, we calculate the n distributing of the heavy element of s - process in solar system and the result is good agreement with astronomic measurement
我們研究了天體重元素核合成的s ?過程，給出了s ?過程網路方程的一個解析解，作為對本文解析解的檢驗，我們計算了太陽系的s ?過程重元素豐度的n分佈，計算結果與天文觀測符合的較好；另外，我們還計算了s ?過程的典型分叉點~ （ 85 ） kr處各個核素的豐度變化，與已有的結果符合的較好。
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