次級射線 的英文怎麼說

中文拼音 [shèxiàn]
次級射線 英文
secondary rays
  • : Ⅰ名詞1 (次序; 等第) order; sequence 2 [書面語] (出外遠行時停留的處所) stopping place on a jou...
  • : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
  • : 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...
  • 次級 : secondary
  1. Following is our main work and important conclusions : ( 1 ) the question of energy spectrum hardening. we used the klein - nishina ' s differential scatter formula, meanwhile utilize the thaler progression to spread out, and neglected the high - power, and then we deduced a theoretical formula of correction of energy spectrum hardening

    其主要工作和結論如下: ( 1 )對x能譜硬化問題,把klein - nishina微分散方程,利用泰勒數展開,在忽略高項的情形下,近似地推導出了能譜硬化修正公式。
  2. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明, ( a )熱處理前,隨著基片溫度的增加,薄膜中的低價氧化鈦含量逐漸減少,化學計量比趨于o ti = 2 ;薄膜具有非晶態不緻密的柱狀纖維結構,柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明,在波長為35onzn時嚴重吸收,利用干涉法分析了薄膜的光學常數,結果表明,薄膜的折率隨基片溫度的升高而增加,根據計算結果得到了tioz薄膜在不同基片溫度下的折率色散曲
  3. Under this circumstance, the project to construct beijing rnb facility on the basis of hi - 13 tandem accelerator has been proposed by china institute of atomic energy ( ciae ). apart from carrying out some interesting experments in astrophysics using the secondary radioactive beam line in being, the research work about the off - line rnbs on hi - 13 tandem accelerator can be also performed by making full use of ciae ' s 101 heavy - water reactor ( hwr ) or cyclone30 cyclotron

    除了利用我院現有的束流來開展核天體物理感興趣的一些研究工作之外,還可以利用101 #重水反應堆和cyclone30強流質子回旋加速器,在hi - 13串列加速器上開展離性核束方面的研究工作,為今後在將建成的北京放性核束裝置上開展放性核束物理實驗研究工作打下基礎。
  4. The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field

    具體工作可以概括如下:首先,研究了vcsel的熱場特性,分析了電流擴展,材料參數和工作條件對于溫度分佈的影響;其,從電極電壓入手,計算出激光器中的等勢分佈,並對不同深度處的電壓和電流分佈進行比較,研究了高阻區的不同位置和不同厚度、限制層和出窗口半徑的大小對電流密度、載流子濃度和溫度分佈的影響;再,實現了電、光、熱耦合,求出了閾值電壓,計算了不同偏置電壓下的電流密度分佈、載流子濃度分佈和熱場分佈,分析了溫度和載流子濃度變化對折率、費米能和光場的影響;最後,給出了考慮n - dbr和雙氧化限制層時激光器中的等勢分佈,分析了n - dbr和雙氧化限制層對vcsel電流密度、載流子濃度、溫度和光場分佈的影響。
  5. These suggested that so2 may affect body immunity to a certain degree. ( 3 ) effects on mouse thymus of so2 challenge : he staining showed no obvious structure changes of thymus in all treatment groups compaired with the control group ; the ultrastructure of thymus can be seen injured in so2 treated groups from tem observation

    ( 3 )二氧化硫染毒對小鼠胸腺組織學結構影響較小:用透電鏡觀察發現胸腺組織中有部分淋巴細胞變形且異染色質增多,胸腺上皮細胞中可見溶酶體增多,粒體變形,這說明二氧化硫可能對中樞免疫器官也有一定的不良影響。
  6. We mainly investigate the second kind. linear stability analysis and numerical simulations will be used, and the evolution equation of a nonlinear resonator filled with kerr medium, the mean - field model for a nonlinear resonator filled with two - level atomic medium, second - harmonic generation system ( shg ) with quadratically nonlinear material, complex ginzburg - landau equation ( cgle ), and coupled map lattice model ( cml ) will be considered in this dissertation. the paper can be divided into three parts : pattern formation, pattern selection and control of stc, the synchronization and applications of stc

    以含有kerr介質非性光學諧振腔發展方程、含有二能原子介質的非性光學諧振腔平均場方程、含有x ~ 2介質的光學二諧波產生系統模型、及復金茲伯格?朗道方程和耦合映模型等動力學系統為例,採用性穩定性分析及數值實驗方法,研究了斑圖形成、斑圖的選擇和時空混沌的控制、時空混沌的同步及其在保密通信方面的應用等三大部分內容。
  7. First, the basic raster graphics algorithms for drawing 2d primitives are introduced, including edge coherence and the scan - line algorithm of triangle, brush algorithm of thick line ( and its improved method ) and midpoint circle and ellipse algorithm ; and the current situation of the advanced algorithms is also involved. second, the mapping of high level programming language to hardware description language is described, some principles of the conversion of algorithm to state machine are proposed also ; then, the implementation of basic graphics in hardware is discussed in detail, the state machines are drawn in the paper, and the interfaces of hardware are defined, block diagrams too, and the advanced algorithm of conic is proved ; finally, some issues about test are described, the results of simulation and synthesis are given in the last, and some detailed data are displayed in the appendix

    首先介紹了現有的基本圖形生成演算法,包括三角形邊相關掃描演算法,寬直刷子演算法及其改進和圓形、橢圓的生成演算法,同時介紹了加速演算法的研究現狀;然後,討論了高語言描述到硬體描述語言的映,提出了演算法到狀態機抽象的規律;接著具體討論了基本圖形的硬體實現,給出了各演算法的狀態機圖,介面定義和實現框架,並且從理論角度給出了二加速演算法的證明:最後採用軟體工具進行測試驗證,給出了模擬、綜合實現的結果,並在附錄中有詳細的實驗結果數據。
  8. As this replacement electron falls into place, it emits an x - ray at a second specific energy

    當這個填補的電子到位時,它會釋放出能量的x
  9. When cosmic rays enter the atmosphere, they interact with nitrogen, oxygen and other atoms in the upper atmosphere and produce a large assortment of secondary particles, including radionuclides such as tritium and carbon - 14, neutrons, protons, electrons, mu

    宇宙進入地球大氣層后,會與大氣高層的氮氧等原子核發生反應,產生氚碳- 14等放性核素及中子質子電子介子介子等粒子。
  10. When cosmic rays enter the atmosphere, they interact with nitrogen, oxygen and other atoms in the upper atmosphere and produce a large assortment of secondary particles, including radionuclides ( such as tritium and carbon - 14 ), neutrons, protons, electrons, mu

    宇宙進入地球大氣層后,會與大氣高層的氮、氧等原子核發生反應,產生氚、碳- 14等放性核素及中子、質子、電子、介子、介子等粒子。
  11. Five factors as the motive force for the tourist development in guizhou karst terrain were proposed. the growth pole of tourist economy in guizhou karst terrain was defined in the initial use of the shift - share analysis. in the end, a tourism economic circle of guizhou karst terrain was constructed, as guiyang, anshun and zunyi being the first - level tourist circle, high graded roads as well as national and provincial highways being the axis, and the kernel layer, hinterland layer, radiation layer and extension layer of the tourist economy being the spatial radius

    通過對區域旅遊整合模式的概述,結合貴州省情,選擇了適合貴州喀斯特地區旅遊業發展的「點-軸-圈」模式;提出了貴州喀斯特地區旅遊發展的五個動力因子;首採用「份額?偏離分析法」確定出貴州喀斯特地區旅遊經濟增長極;最後以貴陽、安順、遵義為一旅遊中心,以高等公路、國道、省道為軸,以旅遊經濟的核心層、腹地層、輻層和擴展層為空間半徑,構建出貴州喀斯特地區旅遊經濟圈。
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