空間射線 的英文怎麼說

中文拼音 [kōngjiānshèxiàn]
空間射線 英文
space ray
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 空間 : space; enclosure; room; blank; interspace
  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

    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首先詳細論述了環境中的力學環境,然後給出了環境的三種軌道環境劃分,及每一種環境影響因素對可動結構設計的影響,包括原子氧、離子、溫度、微隕石和碎片以及真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. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真微電子器件場致發理論的基礎上,根據圓錐形、楔形陰極真微電子三極體的不同特點,分別建立了物理和數學模型,在考慮電荷密度影響的前提下,以有限元法為基礎採用迭代的方法計算出真微電子三極體內的電勢分佈情況,繪制出了等勢、電子軌跡,並得到了器件電學性能隨幾何參數的變化情況。
  3. The specular reflection is a very important linear transformation in euclidean space, and it has a special geometrical explanation in geometrical space

    摘要鏡面反是歐氏中一類很重要的性變換,在幾何中有著極其形象的解釋。
  4. ( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines

    ( 2 ) cu等離子體光譜:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發在等離子體中的分佈;比較了激光能量對cu等離子體發光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的分佈。
  5. Bipy 2, 2 - bipyridine has been synthesized. x - ray crystal structure analysis shows the complex crystallizes in monoclinic system, space group

    X -晶體結構分析表明配合物為單斜晶系,
  6. The system stores spatial data and characteristic data into central database, and provides services to users in server / client mode. as the research emphases of this thesis, several key sub - systems are designed and realized. the digital map input and maintenance subsystem performs format conversion, editing and updating of spatial data ; the rail - track video playing subsystem uses video recording as reference data, then plays, inquires and traces the corresponding frames in synchronous to the scaled mileage, realizing the query of the active picture frames ; the digital map query subsystem fulfills the map query, preview and spelling of digital map orthograph

    其中,地形圖輸入與維護實現了數字地圖的格式轉換、編輯處理以及數據的更新操作,解決了不同格式數據的互相轉換問題;路錄象播放將路錄像數據作為系統的一種索引數據,活動影像的畫面與里程相對應,實現了基於路錄像的播放、查詢和檢索的功能,實現了基於活動畫面的查詢檢索功能;數字地圖子系統完成了圖形查詢、數字地圖與路正圖像瀏覽、圖幅拼接等功能。
  7. According to their space position, the seismic features of shallow gas in this region can be divided into three groups : ( 1 ) features in the stratum : acoustic blanket, acoustic curtains, acoustic turbidity, irregular strong top reflection boundary, and phase pull - down in both flanks ; ( 2 ) features of the seabed : seabed pockmark and giant sunken pit ; ( 3 ) features in the seawater column : acoustic plumes, cloudy turbidity and point - line - type reflection

    該區的淺層氣地震特徵按位置分為3大類: ( 1 )地層中的特徵:聲學白、聲學幕、聲學擾動、不規則強反頂界面、兩側相位下拉; ( 2 )海底面的特徵:海底麻坑、大型塌陷坑; ( 3 )海水層中的特徵:聲學羽流、雲狀擾動、點劃
  8. This paper deals with the regular curves in a riemannian manifold with constant sectional curvature and the affine starlike curves in r2, r3 and r4

    本文研究了具有常截面曲率的黎曼流形中的正則曲及二、三、四維中的仿星形曲
  9. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形和轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題,採用回傳矩陣法,在相中給出了位移和內力的表達式。再利用laplace逆變換,得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解,然後將其分解為若干廣義積分之和,並用數值方法求解之。
  10. Monitoring space charge particles and x ray is the most important task for space environment exploring

    帶電粒子探測以及x的探測是環境探測中最主要的內容。
  11. Through the aperture the x - ray will shoot on the detector and goes on record. high resolving power. twin channels are utilized for simultaneous time - integrated photographic recording and for time - resolved x - ray streak camera recording

    后焦處置一狹縫,通過狹縫的到探測面上被記錄下來;解析度高;雙通道同時完成x的時分辨和分辨;操作靈活,方便裝卸。
  12. Based on the original data of tm in 1988, 1992 and 1998, then after some processing and analysis, the author have the thematic data of land - use by interpretation. on the basis of them, the author made the analysis of land - use for this area based on the spacial analysis of gis and the method of comparison between result of land - use classification as follows : the method of aggregating analysis, the analysis of urbanization, the analysis of the transformation rate of cultivated land, the analysis of the driving force of land - use change and the sustainable use of land. the conclusions may be demonstrated below : the cultivated land decreases with the patchs fragment ; road spreads radialy surround second - ring road ; the urban land expands quickly toward southwest along the major roads and be concentrative. rural land and industry increse rapidly with dispersing ; 0thers change slowly. the major driving forces of land - use change in this area are the rapid expansion of urban and rapid growth of population, foreign investment and the development of tertiary industry which was based upon the real estate. according the trendency of land - use change, the author consider that we must insist on the way of the sustainable use of land based on protecting the cultivated land

    在此基礎上,應用分類結果比較法,在gis各種分析功能(幾何量算、統計分析、疊加分析及緩沖區分析)的支持下,對該區土地利用變化進行了如下分析:土地利用綜合分析、城市化進程分析、耕地轉化率分析、土地利用變化因素分析及土地的可持續利用分析。結果表明:該區土地利用變化主要表現為耕地大量減少,斑塊破碎化;交通用地沿二環呈放狀向四周擴展;城鎮用地沿交通干向西南方向擴張迅速,用地趨于集中;農村居民點和工礦業用地增加,用地趨于分散;其它用地變化較慢。這一用地變化的主導因素是城鎮用地擴展快、人口增長迅速、外資的大量投入及以房地產為主的第三產業的快速發展。
  13. The aim of projective reconstructing is to estimate the position and direction of cameras through matching points in different images so lay the foundation for further reconstructing. on the basis of current methods of projective reconstructing, we used the levenberg - marquardt method to optimize the result of linear method so the precision is be improved, and we use the bundle adjustment method to entirely optimize the structure of scene and projective matrixes

    本文在研究已有影重建演算法的基礎上,利用l - m演算法對基於基礎矩陣的影重建演算法得到的性結果進行優化,提高了演算法的估計精度和穩定性,並在求得所有圖象對應的投影矩陣后利用bundleadjustment方法對結構及投影矩陣進行全局優化。
  14. The second section : under the conditions of nonlinear boundary controbility, we consider the initial boundary value problem of camassa - holm equations with dissipative. by using the contractive mapping fixed point theorem and a priori estimates, the existence of global smooth s olution, global attractor in h ~ ( 2 ), t ime p eriodic s olution or almost - periodic solution and the global exponential stability are proved

    第二部分:在非性控制邊界條件之下,對于帶耗散項的camassa ? holm方程的初邊值問題,用壓縮映不動點原理及先驗估計方法,證明了整體光滑解的存在性、整體解的指數穩定性、 h ~ 2中整體吸引子的存在性以及時周期解和殆時周期解的存在性。
  15. The dissertation firstly discusses the reflectance of euv and soft x - ray in " multilayer system based on classical electrodynamics and optical characteristics of materials. the nns surface roughness in different spatial frequency range is carefully studied since scattering can seriously reduce the reflectance in euv and soft x - ray wavelength region. we discuss representative model of residual stress in

    首先從材料在極紫外、軟x波段的光學特性出發,討論了極紫外、軟x在理想和非理想多層膜系中的反特性;研究了影響極紫外、軟x多層膜反率的表面粗糙度的頻率范圍;重點探討了多層膜殘余應力的典型模型、應力形成機制以及薄膜的形成過程。
  16. Time complexity analysis of two non - angle algorithms to determine the radial spatial adjacent relationship

    確定相鄰關系的兩個非角度演算法的時復雜度分析
  17. Axial irradiance distribution throughout the entire space behind a binary annular aperture

    二元環形孔徑全上的衍光強分佈
  18. This paper applied the character that linear subjective isometries preserve the geometric rank of a operator to characterize the onto isometries between compact operators space in weakly closed modules of nest algebras, and obtained the expressions of the isomtries

    摘要利用運算元的幾何秩在性等距映下不變的性質研究了套代數弱閉模中緊運算元性等距離映,最後得到其實現形式。
  19. The mapping the pilot training from the lower dimension space to high dimension space, and in the high dimension space, the wave - let kernel function is adopted, according to recursion least square criteria, the lower linear inseparable problem is convert to the separable problem

    然後將根據結構風險遞歸二乘最小化準則回歸估計支持向量機原理,把導頻訓練序列映到高維,並在高維採用結構小波核函數,達到了將低維的非性估計轉化為高維性估計的目的。
  20. The relationship between the - ray intensities in atmosphere and the concentration of radioactive elements in soil and the materials of buildings has been established in this paper, based on the theories of the interaction of radiation with matter

    摘要建立土壤和建築物中放性核素與氣中照量率之的理論公式,得出了單邊建築物旁和建築物之量率的分佈規律。
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