核輻效應 的英文怎麼說
中文拼音 [héfúxiàoyīng]
核輻效應
英文
nuclear radiation effect-
The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。Regional theory directs space locating of daily urban system periphery in daily urban system or broader region range. centre - periphery theory require the development of daily urban system periphery think over radiant function of daily urban system center, and try to make trickling - down effect have more power than backwash effect. competitive edge theory and innovation theory explain that daily urban system periphery plays an important role in daily urban system in chongqing municipality and supports a selected measure of accelerating development in beibei district
區位理論指導著都市圈外圍區在都市圈及更大區域范圍中的空間定位；核心一邊緣理論則要求，都市圈外圍區的發展應充分考慮都市圈核心區的輻射作用，並積極實現「涓滴效應」強于「回波效應」 ；競爭優勢理論和創新理論則認為，都市圈外圍區在重慶都市圈中將會扮演重要角色，也支撐著北暗區實現加速發展的途徑選擇。This paper deals with the monte carlo simulation of high - energy protons transport in silicon, in which the intra - nuclear cascade model is used to deal with proton nuclear reaction process. and the results of radiation effects of proton in silicon and p - seu ( proton induced single event upset ) cross section of some electronic devices are presented
本文用蒙特卡羅方法對高能質子（最高能量在500mev以上）在硅材料中的輸運過程進行了模擬，作了用核內級聯模型計算質子核反應的嘗試，計算了質子對硅材料的輻射效應及其對硅器件的單粒子效應。The research on the radiation effects of materials induced by high - energy proton irradiation is of important significance in many scientific fields, such as the single event effects of semiconductor components exposed on space, accelerator - driven nuclear energy generator, tritium production by accelerator, intense pulsed ion beam technology, proton radiography, etc. the effects and mechanisms of irradiation vary vastly for different energies and intensities of proton beams
宇宙高能質子的單粒子效應（ see ）研究、潔靜核能系統（ ads ）研究、加速器產氚計劃（ apt ） 、強脈沖離子束（ ipib ）技術、質子斷層掃描等領域都涉及質子輻射效應問題。質子輻射對不同的材料會導致不同的效應，開展質子輻射效應產生的機制研究，掌握其效應規律，對于電子學元器件的抗輻射加固指標提出，以及在其他研究中的方案設計等都有重要意義。The department ' s programs are at the forefront of nuclear science and technology leading to improved performance of fission - powered reactors, the technological applications of nuclear and radiation phenomena in biomedical, industrial, and environmental fields, and the development of nuclear fusion as an energy source
本系的課程走在核子科學和科技的最尖端，目的在提高核裂變反應爐的效能、核子和輻射在生物醫學、工業和環境領域的應用，以及研發核融合成為穩定的能源。In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples
第二章在聲波動理論基礎上，詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式；根據fredholm積分理論，對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明；改進了chief法以提高其克服解的非唯一性的有效性和可靠性；對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究；開發了三次樣條改進chief法計算軟體，並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。It proves that the accuracy of the obtained photon fluence by this kind of method is acceptable. overall, pulse photon fluences in the pulse accelerator and the radiation field caused by pulse reactor have been obtained by strict experimental studies and theoretical calculation in this paper. it provides the technological support to calibration of detectors for physical diagnosis in nuclear exploding
簡而言之，通過嚴格的實驗研究和理論計算，本文測得了12mv脈沖加速器的x射線譜和liftld對較寬能區的中子的let效應因子值，並通過研製的均勻固體電離室測得了脈沖加速器和脈沖堆輻射場的光子注量，解決了幾個相關的技術難題，為核爆診斷探測器的標定提供了技術支撐。This research has closed relationship with a wide range of cross - science areas, such as basic research on cancer therapy by heavy ion radiation method, radiation danger level evaluation in space and biological damage induced by long term, low - level dose radiation environment, etc. dna is the carrier of biological information and the main target of biological effects induced by ionizing radiations
從重離子治癌的基礎性和先導性的研究，載人航天飛行過程中的太空輻射危險性評估，到長期在低劑量輻照環境下的放射性對機體損傷等等，都與電離輻射所致生物損傷的研究有著密切的關系。 dna （脫氧核糖核酸）是生命信息的載體，也是輻射生物效應的最主要的靶分子。Many international organizations including the international atomic energy agency iaea, the united nations scientific committee on the effects of atomic radiation unscear, and the organization for economic co - operation and development nuclear energy agency oecd nea have published reports on the event, death toll, radiation dose and impact on health and environment
多個國際組織例如國際原子能機構iaea聯合國原子輻射效應科學委員會unscear及經濟合作與發展組織核能機構oecd nea都對事故過程，傷亡情況，輻射劑量和健康及環境影響作出報告。本文參考多個報告的內容，就切爾諾貝爾核事故作一概要介紹。This effect is called cherenkov radiation, and it ' s what makes that eerie blue glow you see in a reactor core ( preferably from a safe distance )
這個效應被稱之為契倫科夫輻射，就是它產生了你從核反應堆核心處看到的奇異的藍光（最好站在安全距離以外） 。The optimum concentration of superoxide anions, which resulted in the maximal proliferative effect of mice bone marrow cells, was 1. 8 - 1. 9nmol / h / 106cells. superoxide anions also can cause lymphocytes proliferation and it increases with the increasement of monocytes. conclusion : superoxide anions play an important role in the proliferative effect caused by low level radiation and in the proliferation of peripheral blood lymphocytes cultured with monocytes
結論： o _ 2 ~ -在低水平輻射所致小鼠骨髓細胞增殖刺激效應中起關鍵作用； o _ 2 ~ -濃度的升高是淋巴細胞和單核細胞共培養體系中促進淋巴細胞增殖的重要因素。You do get neat effects like cerenkov radiation ( that lovely nuclear reactor glow ), but you ' re not violating causality or any of the other features of the light - speed limit because they ' re tied to the vacuum speed c
類似於契倫科夫輻射（核反應堆所發出的漂亮藍光就由其產生）的奇妙效應確實存在，但你仍未打破光速的限制，因為所有這些速度最終都不能超過真空中的光速c 。In vitro anti - radiation effects of antisense thiodeoxyoligonucleotides targeted to bax mrna
反義硫代脫氧寡核苷酸的體外抗輻射效應研究The radiation effect of iran ' s nuclear issue in arab countries
試論伊朗核問題對阿拉伯國家的輻射效應分享友人