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- Using Monte-Carlo method, the propagation of cosmic ray hadrons throughatmosphere is simulated. 用蒙特卡洛 (Monte-Carlo) 方法,模擬了宇宙線(xiàn)強子成分在大氣中的傳播。
- The reconstruction of shower core is one of the key works of cosmic ray experiment based on terrene. 摘要簇射芯位重建是基于地面的宇宙線(xiàn)觀(guān)測實(shí)驗的關(guān)鍵工作之一。
- The time variation of the cosmic ray flux is one of crucial problems in the field of cosmic ray physics, solar geophysics and astrophysics, etc. 宇宙線(xiàn)強度隨時(shí)間的變化、時(shí)間變化的起源和與天體物理因素的聯(lián)系是宇宙線(xiàn)物理、地球物理和天體物理學(xué)科中最復雜的問(wèn)題之一,具有重要的物理意義。
- composition of primary cosmic ray 一次宇宙線(xiàn)的組成
- The structure of the BES main drift chamber and arrangement of cosmic ray tests have been described briefly. The main test results of the chamber performance have been given. 簡(jiǎn)要描述了北京譜儀(BES)主漂移室的結構和宇宙線(xiàn)實(shí)驗安排;給出利用宇宙線(xiàn)測試主漂移室性能的主要結果.
- That's an instrument sent on helium balloons to measure the composition and energy spectra of cosmic rays from 35 kilometers above Antarctica. 該儀器被放在南極35千米以上的氦氣球中;用來(lái)測量宇宙射線(xiàn)的能譜和組成成分.
- The chemical composition of primary cosmic rays in the energy region aro-und 10~(14) eV is studied by using Monte-Carlo simulation. 并通過(guò)Monte-Carlo模擬計算,探討了10~(14)eV附近能區的初級宇宙線(xiàn)成份。
- The periodic analysis for the data of cosmic ray flux after meteorological effect inspection shows that solar time semi-diurnal, 0.996 and 1.002 diurnal variations exit in the data of TeV and lOTeV cosmic ray. 對氣象效應修正后的宇宙線(xiàn)流強數據進(jìn)行周期分析，發(fā)現TeV和10TeV宇宙線(xiàn)數據中存在半日、0.;996和1
- The sidereal diurnal variation (T=0.997d) for lOTeV cosmic ray has been detected with about signal-noise ratio 5.0, with amplitude 0.125 + 0.079% and phase 0.45(llh) by analyzing the data of cosmic ray flux after meteorological effect corrected. 通過(guò)對氣象效應修正后的宇宙線(xiàn)流強數據進(jìn)行周期分析，發(fā)現了10TeV宇宙線(xiàn)流強的恒星日(T== 0.;997日)變化，其信噪比為5
- Cosmic ray spallation is a form of naturally occurring nuclear fission and nucleosynthesis.It refers to the formation of elements from the impact of cosmic rays on an object. 宇宙射線(xiàn)散裂 是自然發(fā)生的一種核分裂和核合成形式，它經(jīng)由宇宙射線(xiàn)撞擊物質(zhì)產(chǎn)生新的元素。
- PROGRESS IN RESEARCH OF COSMIC RAY ASTROPHYSICS 宇宙線(xiàn)天體物理研究進(jìn)展
- The composition of the report took two months. 寫(xiě)這份報告花了兩個(gè)月時(shí)間。
- acceleration mechanism of cosmic ray 宇宙線(xiàn)加速機構
- diurnal variation of cosmic ray flux 宇宙線(xiàn)通量周日變化
- Due to the shielding effect of the atmosphere, intensity of cosmic rays increases with altitude. 由于大氣層有阻擋宇宙射線(xiàn)的作用,離地面越高,宇宙射線(xiàn)的強度就越強。
- fermi theory of cosmic ray acceleration 費米宇宙射線(xiàn)加速理論
- After chemical assay, we have known the composition of the ore. 經(jīng)過(guò)化學(xué)分析，我們知道了礦石的構成。
- origin and propagation of cosmic ray 宇宙線(xiàn)的起源和傳播
- Charge composition of primary cosmic rays 初級宇宙線(xiàn)電荷成分
- Fertilizers modify the composition of herbage. 肥料可改變牧草的組成。
