process n. 1.進(jìn)行,經(jīng)過(guò);過(guò)程,歷程;作用。 2. 處置,方法,步驟;加工處理,工藝程序,工序;制作法。 3.【攝影】照相制版法;照相版圖片;三原色印刷。 4.【法律】訴訟程序;法律手續(xù);被告?zhèn)髌保瑐髌薄?5.【解剖學(xué)】(動(dòng)植物機(jī)體的)突起,隆起,突。 the process of growth 生長(zhǎng)過(guò)程。 a mental [psychological] process 心理作用。 labour-consuming process 重體力勞動(dòng)。 film process 影片加工。 offset process 膠印法。 legal process 法律手續(xù)。 vermiform process 【解剖學(xué)】闌尾,蚓突。 in process 進(jìn)行著 (changes in process 正在發(fā)生的變化)。 in process of time 隨著時(shí)間的推移;逐漸地。 in (the) process of 在…的過(guò)程中 (in process of construction 正在建筑中)。 serve a process on 對(duì)…發(fā)出傳票。 adj. 1.經(jīng)過(guò)特殊加工的;(用化學(xué)方法等)處理過(guò)的。 2.照相制版的;三色版的。 3.(電影鏡頭等)有幻覺(jué)效應(yīng)的。 vt. 1.加工;處理,辦理;初步分類;儲(chǔ)藏(腌肉等);(用化學(xué)方法)處置(廢物等)。 2.用照相版影印。 3.對(duì)…提起訴訟;用傳票傳審。 a processing tax 〔美國(guó)〕 (農(nóng)產(chǎn)品)加工稅。 a processing plant 煉油廠,石油加工廠。 vi. 〔口語(yǔ)〕排隊(duì)走,列隊(duì)行進(jìn) 〔procession 之略〕。
S - process nucleosynthesis in agb stars : the asymptotic distribution of neutron exposures 中子輻照量漸近分布
The abundance of feed nuclei 6fe of s - process is proportional to metalicity Fe族元素作為種子核,金屬豐度與[ fe h ]成正比。
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
S - process nucleosynthesis may be a useful constraint for the evolution and convection in massive stars 過(guò)程核合成可以為大質(zhì)量星的演化和對(duì)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(yīng)理論和天體重元素核合成的s ?過(guò)程。
Moreover , we compute the change against neutron irradiation of heavy element abundance in typical branching point 85kr of s - process and result is good agreement with the former too 重元素的核合成中最重要的因素之一是中子源問(wèn)題,穩(wěn)定的中子源是重元素的核合成必要保證。
In this dissertation , a analytic solution of neutron source of s - process in agb star has been given . with the up to date experimental data of 13c ( , n ) 16o and 12c ( n , y ) 13c reaction rate , we carry out a analytic research for neutron source of s - process 中國(guó)原子能科學(xué)研究院博士學(xué)位論文本文給出了agb星s - -過(guò)程中子源的一個(gè)解析解,并利用’ 3c ( a , n ) ‘ 60反應(yīng)最新實(shí)驗(yàn)數(shù)據(jù)和我們研究得到的’ zc ( n ,力’ 3c反應(yīng)的截面和核反應(yīng)率,對(duì)s - -過(guò)程的中子源進(jìn)行了解析研究。
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 我們采用單脈沖中子源‘ zne ( a , n ) zsmg ,采用最新發(fā)表的中子俘獲截面,用中心氦燃燒模型計(jì)算了各金屬豐度情況下15m m叼0m 。的大質(zhì)量星的s過(guò)程核合成,并將所得結(jié)果與太陽(yáng)的s刁分量進(jìn)行比較。
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(guò)程,給出了s ?過(guò)程網(wǎng)絡(luò)方程的一個(gè)解析解,作為對(duì)本文解析解的檢驗(yàn),我們計(jì)算了太陽(yáng)系的s ?過(guò)程重元素豐度的n分布,計(jì)算結(jié)果與天文觀測(cè)符合的較好;另外,我們還計(jì)算了s ?過(guò)程的典型分叉點(diǎn)~ ( 85 ) kr處各個(gè)核素的豐度變化,與已有的結(jié)果符合的較好。
百科解釋
The s-process or slow-neutron-capture-process is a nucleosynthesis process that occurs at relatively low neutron density and intermediate temperature conditions in stars. Under these conditions heavier nuclei are created by neutron capture, increasing the atomic weight of the nucleus by one.
詳細(xì)百科解釋
其他語(yǔ)種釋義
s-processとは意味:{名} : s 過(guò)程{かてい}◆元素合成に関する天體の核反応。s=slow