radiation mechanism 中文意思是什麼

radiation mechanism 解釋
輻射機制
  • radiation : n. 1. 發光,射光,放熱,放射,發射。2. 【物理學】輻射;放射物;輻射線[熱、能];照射(作用)。3. 【動、植】輻射形;【測】射出測量法;【醫學】射線療法。
  • mechanism : n 1 (機械)結構;機械裝置[作用];(故事的)結構。2 【哲學】機械論 (opp vitalism)。 3 【文藝】...
  1. The mechanical environment is described in the paper and then the environments in three different orbits are proposed, called leo ( low earth orbits ), meo ( medium earth orbit ) and geo ( geosynchronous earth orbits ). the influence produced by the atomic oxygen, micrometeorites and debris, ionizing radiation and cold welding under vacuum is presented in the paper. some principles are proposed, which can be as the method to choose materials of the mechanism in space environment

    空間環境中力學環境對可動結構的影響直接關繫到機構的設計問題,所以本文第四章中嶽建如:中文摘要浙江大學博士學位論文20024首先詳細論述了空間環境中的力學環境,然後給出了空間環境的三種軌道環境劃分,及每一種環境影響因素對空間可動結構設計的影響,包括原子氧、離子射線、溫度、微隕石和碎片以及真空冷焊現象等環境因素,提出了材料選擇的原則,為可動結構材料選擇提供了一定的依據。
  2. This is so because climbing plants are likely to encounter intensive - changing environmental condition during their growth ( especially change of illumination ). secondly, there is a large proportion ( 30 - 40 % ) of climbing plants which belong to dioecism, and hence a gap between male and female plants on morphology, biological characteristic, economic value and so on. this dissertation focuses on herbaceous climbing plants, perennial or annual species such as dioecious trchosahthes kirilowii maxin and dioscorea opposita thumb, and monoecious luffa cylindrical ( l ) roem, it attempts to discover how climbing plants adapted to various environments and the mechanism of adaptation from aspects of physiological and reproductive ecologies at present, due to overuse of chlorofluorocarbons ( cfcs ), the ozonosphere has become thinner and thinner, and the ultraviolet - b ( uv - b ) radiation has increased considerably

    而攀援植物本身是一類理想的植物行為生態學研究材料:第一,攀緣植物由於受攀緣能力和支柱木資源的限制,在生長過程中通常要遇到強烈變化的環境條件(特別是光照) ;第二,攀緣植物中具有較高比例的雌雄異株類型,通常佔地區攀緣植物種類的30 40左右,不同性別的植物在形態學及生物學特性、經濟價值等方面存在一定的差距,因此,本文以雌雄異株攀緣植物栝樓( trchosahtheskirilowiimaxim ) (葫蘆科多年生草質藤本植物)和山藥( dioscoreaoppositathunb ) (薯蕷科薯蕷屬植物) 、雌雄同株異花攀緣植物絲瓜[ luffacylindrical ( l ) roem ] (葫蘆科一年生攀緣草本植物)為材料,試圖從生理生態學及生殖生態學角度揭示攀援植物如何適應不同生境及其機理。
  3. My memory was erased by electroshocks, radiation and the described torture mechanism

    我的記憶通過電擊、輻射和描寫的折磨的機制被抹去。
  4. Firstly time - domain radiation mechanism of emanation sources is studied

    第一部分研究了泄漏發射源的時域輻射機理。
  5. Recent study of the kilohertz quasi - periodic oscillations ( qpos ) in low mass x - ray binaries ( lmxbs ) indicates that the radiation force, other than the magnetosphere and disk interaction and the general relativity ( gr ) effect setting the inner disk edge, serves as the disk truncation mechanism on shorter time scales. some results and discussions are presented in this paper

    最近對低質量x射線雙星中的千赫茲準周期振動的研究表明,是輻射壓力,而不是盤和磁球的相互作用以及處于盤內邊界的廣義相對論效應在短時標的盤切斷機制上起作用.本文給出了一些研究結果及討論
  6. In external studies of mechanism may be a feasible approach to explore biological effects of rf radiation in the case of no persuadable conclusion of epidemiological and in external studies

    因此,盡早明確射頻場的作用機制從而確定流行病學和實驗研究的生物指標,是揭示移動電話射頻輻射生物學效應的必要途徑。
  7. The clinical observation of regulation on neonate ' s temperature by radiation bed ' s servo mechanism

    利用輻射床的伺服機制調節初生兒體溫的臨床觀察
  8. In chapter one, we make a review of particle acceleration theory and the use in solar corona. in chapter two, first we get the spectrum of synchrotron radiation then obtain the electron energy spectrum. in last chapter, we select the typical solar active region parameter to compare our result to the observation and discuss the acceleration mechanism

    本文第一章對粒子加速理論以及目前各種加速理論在太陽日冕中的應用作了介紹;第二章通過理論計算得到同步加速輻射譜以及電子能譜;第三章選取太陽日冕中典型參數,對同步加速輻射加速日冕快電子作了簡單討論。
  9. From the aspects of agricultural economic and environmental ecological effects, were the effects and mechanism of rare - earth micro - fertilizer to improve the growth, development, quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase, alkaline phosphatase, urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain, ultraviolet radiation, heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided, according to the rule of the distribution and enrichment of be in crops

    摘要從農業經濟效應和環境生態效應二方面,論述了稀土肥料促進作物生長、發育,提高作物產量,改善作物品質的效應與機理;影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能,繼而反饋調節作物生長;緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應;並以稀土在作物體內分佈與富集規律為參考,探討了稀土農用的安全性。
  10. Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented

    採用pic方法,通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器,分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。
  11. In chapter 2, a simplified analytical model is presented for the analysis of the bvi mechanism, adopting the beddoes " prescribed wake model. by this model, the azimuthal location and miss - distance of the bvi and the radiation directivity of the bvi noise are calculated and discussed, and some conclusions are obtained

    在第二章,使用beddoes預定尾跡模型,建立了一個用於旋翼槳-渦干擾特性機理分析的簡化數學模型,分別對旋翼槳-渦干擾位置、槳-渦干擾距離和聲輻射方向性等進行了計算和分析,得出了有意義的結果。
  12. And is it the same as under radiation heating ? do the special electric and magnetic fields produced by bpec accelerate atom diffusion ? understanding the above questions fully is a key to expose the mechanism of pecht

    在脈沖大電流加工過程中原子是如何擴散的,與一般的加熱燒結、焊接是否一樣,脈沖大電流形成的特殊電場及磁場是否對原子的擴散有大的推動作用,弄清這些問題成為進一步揭示脈沖大電流熱加工機理的關鍵。
  13. Ps radiation mechanism has been discussed and investigated for many years and many theoretical models have been proposed to describe photoluminescence in porous silicon, for instance quantum confinement effect model, polysilanes model, siloxen and its derivant, surfacial states model and quantum confinement - light center model etc. in addition, study status of ps at present is addressed and applied problems in some fields are analyzed in this section

    多年來,人們對多孔硅發光機理一直進行著堅持不懈的探討和研究,提出了許多種解釋多孔硅層( psl )發光的模型,典型的有下列幾種:量子限制模型、硅-氫鍵或多硅烷( polysilanes )的發光、硅氧烯及其衍生物的發光、表面態模型和量子限制-發光中心模型。
  14. Nuclear reaction is the important mechanism for causing single event upset as well, especially for high - energy protons. all the formula needed for simulating proton - induced radiation effects are deduced. to bypass the obstacle of lacking nuclear reaction parameters of high - energy protons interacting with silicon, the author successfully obtained the necessary nuclear reaction cross sections by combining an intranuclear cascade nuclear reaction model with monte - carlo simulation, which are applied to the calculation of seu

    整理、推導了數值模擬所需要的計算公式及連續慢化近似下的輸運方程,自行編制了輻射屏蔽計算程序、單粒子效應計算程序、熱?力學效應計算程序,並對所有計算程序進行了對應的驗算,計算結果與公開發表的理論或實驗結果相符合。
  15. In the third chapter, the influence of current density, solution concentration, erosion time and aging in ambient air on the pl spectra of ps suggests that peak would blue shift with current density increasing, and with erosion time and aging time prolonging ; with the increasing of solution concentration, peaks would red shift when solution concentration less than 1 : 1 but blue shift when solution concentration greater than 1 : 1. above phenomena can be explained by quantum confinement and light center model, but do not deny the action of si - h bonding and defect on the surface in the process of photoluminescence. at present, radiation mechanism is still one of the primary problems in the study of ps

    在第z三章中;通過對比,分析了電流密度、陽極化時間、溶液濃度以及自i然氧化時間對多孔硅光致發光光譜的影響,認為在一定的范圍內,多i孔硅的發光峰位會隨電流密度的增大而藍移,要獲得較強的發光,需z要選擇合適的電流密度;隨著腐蝕時間的延長,多孔硅的發光峰位會i發生藍移;當f酸的濃度較小q : 1 )時,峰位隨濃度的增大表現為向i低能移動;而當f酸的濃度較大河山時,峰位隨濃度的增大則表現z為移向高能;多孔硅在空氣中自然氧化;其發光峰位發生藍移,而強i度隨放置時間的延長而降低。
  16. From some characteristics observed, such as the short lift time, narrow frequency band, fast frequency drift, quasi - periodic pulsation, spike event and complex magnetic structure, it is considered that the radiation mechanism of these events may be principally due to the electromagnetic waves magnified directly by the instable electronic cyclotron

    從它們的觀測特徵:短壽命,窄頻帶,頻率快速漂移,及尖峰事件與磁結構復雜的大黑子活動區密切相關等,認為這些事件的輻射機制可能是電子迴旋脈澤不穩定直接放大電磁波所致。
  17. From the location and the economic strength and the technical strength and the natural resource and the foundation and the urbanization - level and the industrial structure and the land management and the administrative coordination, etc. the paper analyzes the area background and researches the advantageous and the disadvantageous conditions, then based on the analysis, the paper analyzes the formed mechanism of the city - space integration, further, from the angel of policy mechanism and the investment mechanism and the radiation mechanism the accumulation mechanism, etc. part iv : the present situational analysis of cities and towns " system and the level forecast of its integration

    這一部分對長株潭的區域背景分析是從區位、經濟實力、科技實力、自然資源、基礎設施、生態環境、城市化水平、產業結構、土地管理、行政組織協調等方面來分析長株潭城市一體化的有利和不利條件,並在此基礎上從政策機制、投資機制、輻射機制、積聚機制等方面分析了長株潭一體化的形成機制。第四部分:長株潭城鎮體系現狀分析及其一體化水平預測。
  18. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程,然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的,指出了開放空間中突然出現的時變電場(位移電流)是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究,以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬,並給出了電場的等高線和空間波形圖,這些圖形對理解脈沖電磁波的輻射機理非常有益
  19. Since canham detected that porous silicon can emit visible light at room temperature in 1990, a lot of significative work have been done on its formation and radiation mechanism and the possibility of technical applied

    自1990年canham發現多孔硅室溫下發射可見光的現象以後,人們對多孔硅的形成機理、發光機制以及技術上的應用做了很多有意義的工作。
  20. In chapter three we review the theoretical models of bl lac objects. firstly, we briefly review the results of radiation mechanism, secondly, we discuss the different the theoretical models of bl lac objects in detailed and stress the synchrotron self - compton model in the frame of relativistic jet model

    第三章主要介紹bllac天體的理論模型,在簡要給出輻射機制的重要結論后,詳細討論了bllac天體的各種不同的理論模型,重點放在了bllac天體的相對論噴流框架下的同步自康普頓模型。
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