射線源 的英文怎麼說

中文拼音 [shèxiànyuán]
射線源 英文
alpha source
  • 射 : 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） ...
  • 線 : 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...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  1. and have been suggested as the best sources of beta rays for these measurements.

    曾有人提出，和是進行這些測量的最好的射線源。
  2. Cygnus x-3 is a binary x-ray source located at a distance of 10kpc.

    天鵝座X-3是一個距離約10千秒差距的雙重X射線源。
  3. Cygnus x - 3 is a binary x - ray source located at a distance of 10kpc

    天鵝座x - 3是一個距離約10千秒差距的雙重x射線源。
  4. The exposal source of liga technology is expensive synchrotron radiation x - ray, so that constrains it ’ s wide application

    Liga技術需要昂貴的同步輻射x射線源，因此，限制了其廣泛的應用。
  5. Standard test method for determining the focal size of iridium - 192 industrial radiographic sources

    測定銥192工業x射線源的聚焦尺寸的標準試驗方法
  6. Classical reconstruction algorithms assume that the x - ray is monochromatic while in fact x - ray is polychromatic either in industrial or in medical ct, so only polychromatic projection data have been obtained in actual ct system

    經典的ct重建演算法基於x射線源為單色源的假設，而實際上由於工業ct機或醫用ct機的x射線是多色的，通常只能得到多色投影數據。
  7. It is almost the case that each x ray source exhibits its own brand of variability.

    幾乎每個x射線源都有自己的變化特點。
  8. Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis

    課程的主題包含了：行星、行星形成；恆星、太陽、正常的恆星、恆星形成；恆星演化、超新星、緻密天體（白矮星、中子星及黑洞） 、波霎、雙x -射線源；星團、球狀及疏散星團；星際介質、氣體、塵埃、磁場、宇宙射線；距離階梯；星系、正常及活躍星系、噴流；重力透鏡；大尺度結構；牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史；宇宙背景微波輻射；大霹靂核合成。
  9. These mysterious x - ray sources, marked with green diamonds in the image, are called " quasisoft " sources because they have a temperature in the range of one to four million degrees celsius

    這些神秘的射線源被稱為類軟射線源，因為它們的溫度介乎攝氏100萬至400萬度之間。
  10. On the basis of increasing the flaw resolution of the x - ray radiographic system, the study is firstly concerned with the analysis made on the influence of such factors as redial sources energy, system noise, optics radiography and scattering on the radiographic system in theory, and the present dissertation looks at the methods for acquiring the radiographic system point sp read function, line spread function and module transfer function ( mtf ). on the basis of these studies, research the spread properties of the tiny flaw making use of mtf, acquiring the properties of system inspecting sensitivity and resolution, based on the system optimization designing

    本文以提高射線成像系統的疵病解析度為前提，首先在理論上對射線源能量、系統噪聲、光學成像、散射等各環節對成像系統的影響進行分析，探討成像系統的點擴展函數、線擴展函數及其調制傳遞函數（ moduletransferfunction ，簡稱mtf ）獲取方法，在此基礎上，利用mtf研究微小疵病的擴展特點，從而得到系統的檢測靈敏度和解析度給出關系特性，為系統優化設計提供依據。
  11. Summarizing their result, we found the following results : ( 1 ) there are two x - ray sources in the active object the north one is much stronger than the southern, and the southern is higher than the former to the solar surface

    在前人的研究成果中，我們發現如下結論： （ 1 ）該耀斑爆發時出現兩個x射線源。較強的位於北面，距日面較近，出現的時間比南面的x射線源早，消失得晚。
  12. Programme for hot cell shielding with gamma point sources

    對點狀射線源熱室屏蔽的檢驗程序
  13. Its fundamental is that the ray emitted from a focus ( front ) of elliptical will flock together on the other focus ( back ) by the reflection on the elliptical surface. we set a scatter aperture on the back focus

    橢圓柱面的前焦線上是射線源，晶體固定在一個橢圓基底上，其表面構成一橢圓柱面， x射線經晶體衍射后會聚於後焦線上。
  14. X - ray has been widely used in industry and medicine since it was found in 1895, such as nondestructive detection of cavities in objects using x - ray " s property of penetration, trace element analysis using x - ray fluorescence, radiation therapy using x - ray " s ability to damage protein, and so on

    X射線源在生產和醫療上一直以來具有廣泛的應用。利用x射線的穿透性可進行無損探傷；利用x射線的熒光效應可對物質進行痕量分析；利用x射線使蛋白質變性可對腫瘤進行放療。
  15. X - ray source with micro - beam produced with slow highly charged ions

    聚焦慢速高荷態重離子束微束斑x射線源
  16. Its image reconstruction belongs to the image reconstruction under narrow fan - beam scan mode. after comparing different algorithms, this paper introduces convolution back projection algorithm for the parallel image reconstruction

    採用高能直線加速器作為射線源的高能x射線工業ct機多採用窄角扇束掃描方式，其圖像重建屬窄角扇束掃描方式下的圖像重建。
  17. Magnetars, soft gamma repeaters very strong magnetic fields, robert c. duncan

    磁星繼發軟伽瑪射線源及極強磁場，鄧肯
  18. This star emits x - ray pulses with a period of 7. 47 s. from time to time, outbursts of low energy gamma - rays are also observed. hence, observational astronomers sometimes call this type of stars " soft gamma ray repeaters "

    這顆星以7 . 47秒的周期發放著x射線脈沖，並不時發射低能量伽瑪射線，因此，觀測天文學家有時稱這類星為繼發軟伽瑪射線源。
  19. The simulation program has been implemented to simulate the procedure of hxmt detecting x - ray source. the simulation result has been used to analyze the overlay region in celestial sphere, the variation of photon current intensity and the variation of the angle between sun and orbit, which demonstrate the reason why to select a 550 km height and 43o inclination low earth orbit as hxmt ' s orbit

    利用模擬程序，實現了模擬一個正在預研的天文衛星? ?硬x射線調制望遠鏡hxmt觀測x射線源的過程，分析了天球覆蓋、 hxmt接收的光子流強度的變化和太陽軌道面夾角的變化，說明了選取高度為550km ，傾角43o的近地圓軌道作為hxmt的運行軌道是合理的選擇。
  20. Gamma ray source container

    射線源容器
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