寬射線 的英文怎麼說

中文拼音 [kuānshèxiàn]
寬射線 英文
broad ray
  • : 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...
  1. Thickness of upper and lower epidermis of leaves, width of xylem and phloem of annual and biennial branches, ratio of late wood to early wood, periderm thickness of biennial branches, and length of xylem ray present decreasing trends with latitude ascending ; while ratio of palisade tissue to spongy tissue, epidermis thickness of annual branches, and cortex thickness of biennial branches show unobvious variations with latitude increasing

    葉的上下表皮厚度、 1和2年生枝木質部及韌皮部度、晚材早材比值、 2年生枝的周皮厚度、木長等均隨緯度升高而呈下降趨勢;而葉的柵欄組織和海綿組織比值、 1年生枝表皮厚度、 2年生皮層厚度等解剖結構隨緯度變化沒有明顯規律。
  2. Ray width 1 - 3 cells ; body ray cells procumbent with 1 - 9 rows of upright and / or square

    木纖維細胞壁中等厚度。l 3細胞。
  3. Ray width 1 - 4 cells ; body ray cells procumbent with 1 - 4 rows of upright and / or square marginal cells

    多列和單列組成,兩種大小, 14細胞
  4. Ray width 1 - 4 cells ; body ray cells procumbent with 1 - 9 rows of upright and / or square marginal cells. ericaceoxylon cf

    14細胞;多列的中部多為橫臥細胞,邊緣有l 9行直立和或方形細胞。
  5. Now the most common standard to characterize the mechanical property of a surface of metallic material is the half width of the x - ray, and micro hardness

    摘要目前用來表徵金屬材料表面力學特徵最常見的指標是x的半高和顯微硬度,人們普遍認為,材料的半高值越大,其硬度越高。
  6. The top image, a wide field x - ray view, reveals spectacular loops of hot gas spreading out from the southern part of the antenna into intergalactic space

    上圖是視場x照片,其中顯現的是壯觀的熱氣體環,從觸角星系的南側向外延伸至星系際空間。
  7. Mems technology is a hot topic of science and industry in the 21st century, and micro - fabrication technologies are the key to the mems development. in the mems field, microstructure with high height and high aspect ratio is often used. liga ( x - ray lithography 、 electroforming 、 micro - replication ) technology are the very way to fabricate this microstructures

    在mems領域中,常需要用到具有一定厚度和深比的微結構, liga ( x深層光刻、電鑄成型和微復制)技術是製作這種微結構的重要手段,因此成為mems微細加工中十分重要的技術。
  8. After measuring dark current, photocurrent and response to x pulse of gaas detector before and after 1. 7 mev electronic radiation, the response tune, fall time of trailing edge, full width of half maximum ( fwhm ), sensitivity, carrier life, mobility are researched and contrasted. the result shows that the response speed of detector, time resolution ratio and nonlinear of back edge of output signal have been improved greatly after electronic radiation. though sensitivity of the detector reduces, its measuring range can be widened

    為了使探測器的性能得到進一步的提高,我們對其進行了電子輻照改性,並測量了本徵砷化鎵探測器和經過1 . 7mev電子輻照的探測器的暗電流、光電流及對x的脈沖響應,並對其響應時間,后沿下降時間,半高( fwhm ) ,載流子壽命,靈敏度進行對比,研究,結果顯示經電子輻照后的探測器的性能得到了改善,使響應速度,分辯率進一步提高,並消除了探測器輸出信號后沿的非性,雖靈敏度有所降低,反而使其測量范圍得以拓
  9. Secondly, according to the basic theory of the general spectrometer, in this paper we discuss the fundamental, the compositions and the characters of tcecs. we analyze the main influencing factors for resolving power, such as the dispersion of the x - ray on the detection circle, spectra location error and the aperture width etc. and we put out the ways to resolving the problems

    接下來,本文根據經典光譜儀器的基本理論,著重討論了雙通道橢圓彎晶譜儀的基本原理,及其基本組成和基本特性,並從x波長在探測圓上的彌散度、光度參數與探測角之間的關系、狹縫度等方面對譜儀的精度和解析度的影響作了一定的分析,並提出了解決問題的辦法。
  10. 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譜和liftld對較能區的中子的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。
  11. More recent studies show nanowires products with narrow dismeter distribution around 5 - 10mn and lengths ranging from several hundred nanometers to several micrometers can be obtained if the mixture solution of naoh and koh was replaced by koh solution. the nanowires were analyzed by a range of methods including powder x - ray diffraction ( xrd ), high resolution electron microscopy ( hrem ), selected area electron diffraction ( saed ), electron energy loss spectroscopy ( eels ), xrd and hrem image simulations. the structure of nanowires is determinded to be of the type of k2ti6oi3

    利用x( xri ) ) 、高分辨電子顯微鏡( hrtem ) 、選區電子衍( saed ) 、電子能量損失譜( eels )以及x和高分辨像模擬等分析測試手段,初步分析了這種納米的生長機理,探討了她的結構和光學性能,實驗結果顯示這種納米具有kzti6o ; 3的結構,紫外一可見光吸收光譜顯示, kzti6ol3納米禁帶度約為3 . 45ev 。
  12. Experimental results show that the grains were gradually triturated to namometer size with milling time and the grain size might be 30nm or so, but the grain size was not decreasing after the powder has been milled for 25 hours. the nano - sized sic was synthesized by ball milling of si and c mixed powders which rare earths as a additive was added to

    結果表明:隨著時間的延長,粉末逐漸細化至納米級,可以細化到30nm左右,但球磨時間超過25h后粉末顆粒繼續細化的速度明顯放慢,並且在球磨的過程因為晶粒細化和晶粒內部發生了嚴重的晶格畸變,納米粉體x峰產生嚴重化。
  13. Energy distribution involves many radar ' s parameters, such as peak power of transmitter, maximum pulse width, antenna gain, rotating speed of antenna, beam width, covering range of elevation, maximum height and range and so on

    能量分配牽涉到雷達系統的各種重要參數如發機峰值功率、最大發、天增益、天轉速、波束度、仰角覆蓋范圍、最大高度覆蓋、最大作用距離等。
  14. As far as linearity and efficiency are concerned, several techniques and theoretical analyses on linearity are extensively demonstrated. hybrid use of linear techniques and adaptation technologies in sdr are fully studied so that it can provides amplify with broadband, high efficiency and linearity. the paper presents a new scheme of an adaptive feedforward correction connected with a predistorter to amplify in sdr

    在高效性放大方面,廣泛討論了頻功放的幾種性化技術和非性理論分析基礎,深入研究了在軟體無電中組合使用性化技術和自適應技術以保證帶、高效率的性放大,創新地提出了基於軟體無頻放大的預失真和自適應前饋性技術結合的方案。
  15. It is found that : ( 1 ) for linear slope, redistribution of incoming energy flux in modenumber space depends on both the modenumber of incident waves and the ratio of the slope of incident wave ray to slope of topography ; both the transmitted and reflected energy flux ( only for supercritical linear slope ) focus near one or two modenumbers ; for supercritical linear slope, the energy flux scattering to higher modenumbers becomes larger and the energy flux to lower modenumbers becomes smaller as the slope of incident wave ray comes near to slope of topography ; ( 2 ) for convex slope, energy flux is redistributed in wide - range modenumbers and also show peaks on lower - modenubers and higher - modenumbers ; ( 3 ) for concave slope, energy flux is also redistributed in wide - range modenumbers, but does not show peaks on higher - modenumbers as supercritical linear slope and convex slope do ; ( 4 ) the total energy flux scattering to higher modenumbers is approximately equal to the total energy flux to lower modenumbers for internal waves propagating over both convex slope and concave slope, which means the concave slope is the same efficient to convex slope in scattering energy flux to higher modenumbers ; ( 5 ) for convex slope, the wave ray reflected from near - critical topography can extend to deep ocean and shallow shelf, while for concave slope, the wave ray reflected from near - critical topography can only extend to limited distance, then meet the topography and be reflected again ; generally the shear of the internal waves reflected twice from concave slope is not enhanced while the enhanced shear does also appear before second reflection takes place, the enhanced shear can bring about intense mixing, so internal waves reflected from concave slope can also produce marked mixing near critical slope

    3 、內波在凹地形上傳播時,能通量在模態上的分佈范圍也比較,但與凸地形和超臨界性斜坡地形相比,能通量在高模態上的分佈沒有明顯的峰值。 4 、從總的能通量來講,內波在凸地形和凹地形上傳播時,向高模態散的能通量與向低模態散的能通若十地形下內波傳播及內潮生成問題的理論解量近似相等,這意味著二者在向高模態散能通量方面具有同等效率。 5 、凸地形上臨界點附近的反,反波的波能夠延伸到深海和陸架,凹地形上臨界點附近的反,反波的波很快遇到地形發生二次反,一般來講二次反后回到深海的波動其速度剪切並不很強,但是在進行二次反之前的區域,速度剪切仍然很強,因而內波在凹地形上的反依然能夠在地形附近區域,產生強的速度剪切區,誘發混合。
  16. In addtion, the growth rate of low temperature insb buffer layer was 0. 26 m / h, which was obtained by rheed intensity oscillation curves. growth temperature of insb epilayers were investigated with sem and dcxrd, and it was found that the optimum temperature was 440. a 2. 1 m insb layer grown at 440 had an x - ray rocking curve of 412 arcsec, the strain relaxtion was about 99. 02 %

    通過掃描電鏡形貌觀察與能譜分析發現:溫度較低時sb的表面遷移率低,容易在表面堆積;結合x雙晶衍分析,確定高溫insb外延生長的最佳襯底溫度為440 ,該溫度下生長2 . 1 m的樣品x半高峰為412 ,應變弛豫99 . 02 % 。
  17. 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,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,討論了高級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次曲加速演算法的證明: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。
  18. The research about the critical technique includes : developing the radiation - hard ccd sensitive to the x and euv ray ; implementing the design of ccd driving clock and signal readout electronic using cpld ; implementing shutter design which can realizing 1ms - 10s exposing time

    關鍵技術突破包括:完成x和極紫外波段都敏感的抗輻照型ccd技術設計,並利用cpld實現了非規則像素陣列ccd的驅動時序和讀取電子學電路設計和調試:完成1ms 10s動態范圍快門裝置設計和調試。
  19. It possess many of the physical properties such as high atomic number ( z ), large enough band gap, high resistivity, relatively low leakage currents, and high intrinsic mobility - lifetime ( ut ) product, which are required for room - temperature nuclear radiation detectors. so it is widely used in nuclear medical imaging system, space engineering, and astrophysics, environmental monitoring, and so on. in addition, it is the best substrate for lattice matched epitaxial growth of hg1 - xcdxte ( mct ) thin films and solar cells

    用單晶czt製成的探測器可在室溫下工作,工作溫度范圍( - 20 40 ) ,能量探測范圍( 10kev 6mev ) ,對x能量解析度高,在x成像、天體物理研究、工業探測、安全檢測、核輻探測、核廢料監控、 x熒光分析( xrf ) 、 x斷層掃描和核醫學等方面有重要用途。
  20. Fills the interior of a pie section defined by an ellipse specified by a pair of coordinates, a width, a height, and two radial lines

    Graphics . fillpie方法填充由一對坐標一個度一個高度以及兩條指定的橢圓所定義的扇形區的內部。
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