射電星系 的英文怎麼說
中文拼音 [shèdiànxīngxì]
射電星系
英文
radio galaxy-
In the absence of an appreciable magnetic field, the ensemble of nebular electrons interacts with ions to emit weak continuous radiation by free-free and free-bound transitions.
在不存在可觀的磁場時,星雲中的電子系綜與離子相互作用可通過自由-自由和自由-束縛躍遷而發射弱連續輻射。Narrow - line radio galaxy nlrg
窄線射電星系Broad - line radio galaxy blrg
寬線射電星系A radio galaxy is related to, but appears larger than, a quasar
一個射電星系與之有關,但是它比類星體要大。Astronomers are using radio telescopes to listen for the signals from civilizations that they believe exist on thousands of planets throughout our galaxy.
天文學家們正在用射電望遠鏡探尋他們認為存在於我們星系中的千萬顆行星上的文明世界發來的信號。It deployed two iridium satellites for global satellite phone communication in 1997. long march 2f launch vehicle
該火箭於一九九七年發射兩枚用作全球衛星電話通訊的銥星系統衛星。X - rays from chandra ( colored purple ), optical and ultraviolet ( uv ) data from hubble ( red and orange ), and radio emission from the very large array ( vla ) and merlin ( blue ) show how the jet from the main galaxy on the lower left is striking its companion galaxy to the upper right
錢德拉(紫色部分)的x射線,哈勃(紅色和橙色部分)的光學和紫外線,以及vla和merlin射電圖像顯示在圖左下方的主星系發出的噴流正擊中樂在右上方的伴星系。The effects of meteor trails scattering on a back scattering beyond - light - of - sight radar detected distance and probability of detection are creatively calculated in theory. it is practicable worth for analyzing the performance of the electronic systems
本文第一次從理論上研究了流星余跡散射對電子系統性能影響,這些結果對研究突發通信系統和超視距雷達系統等電子系統的性能都有一定實用價值。In the cores of many so - called " active galaxies ", we can observe extremely powerful radio sources with double - lobed structure and jets of high - energy particles
很多所謂活躍星系的核心都會發出能量極大的無線電輻射,或擁有高能粒子噴流雙瓣無線電輻射源等結構。The thesis is based on the subproject of national " 973 " key project, " hxmt spacecraft integral analysis and design ". aiming at the satellite power system, it establishes a simulation software, and uses it on the hxmt power system designing and simulation
本文以國家973專項課題「天體高能輻射的空間觀測與研究」的子課題「 hxmt衛星系統方案設計」為應用背景,構造了一個面向衛星電源系統的模擬軟體,並對hxmt天文衛星電源系統進行了設計分析和模擬工作。They are in the vicinity of the radio galaxy 53w002, whose spectrum revealed that it is about 10, 000 million 10 billion or 10, 000, 000, 000 light - years away from us
它們都是位於武仙座與天座交界處一個名為53w002的射電星系旁。這射電星系的紅移量顯示它距離我們約100億光年。The key that weapon kit such as missile satellite launcher, radar station run safely and utilize normally is the electrical device insulation status
導彈衛星發射裝置、雷達站、軍事通訊、電子預警和指揮系統等武器裝備和軍用電力系統的安全運行與正常使用,其電氣裝置的絕緣狀態至關重要。The special selections for this year include : pic du midi observatory in southern france, the 100 - m - diameter radio telescope in west germany, mare lmbrium area of the moon, milky way, voyager 2 encounters neptune and the m31 galaxy of andromeda
選輯的十二幅珍貴天文圖片包括:法國日中峰天文臺西德一百米口徑射電望遠鏡月面雨海地區銀河航行者二號飛越海王星仙女座大星系m31等。Some active galaxies emit jets and blobs of highly energetic, electrically charged particles
一些活動星系發出高能的噴射和濺射? ?帶電的粒子。But radio observations at the very large array later identified another pair of jets originating in the core
但隨后甚大天線陣進行的射電觀測辨認出了另外一對源自星系核的噴流。Nano - composite nd2fe14b / - fe magnetic material has been prepared by mechanical milling nd2fe14b alloy under ar2 and subsequent crystallization at different temperature. effect of ball milling ( attritor mechanical milling and planetary mechanical milling ) and crystallization technique on structure and magnetic of nanocomposite nd2fe14b alloy has been analyzed by xrd, sem, tem and ppms
通過x射線衍射( xrd ) 、掃描電子顯微鏡( sem ) 、透射電子顯微鏡( tem )和物理性能測試系統( ppms )著重研究了不同球磨工藝(攪拌式球磨與行星式球磨)及晶化處理工藝參數對納米復相nd2fe14b合金組織結構和磁體性能的影響。The milky way is not an active galaxy, but it does have a powerful source of radiation called sagittarius a * at its center
銀河系不是一個活動星系,但它中心也有一個強大的射電源稱為「人馬座a * 」 。Dumbbell radio galaxy
啞鈴狀射電星系However, he already suspects that they are reddened by dust. if they were instead very remote, it would be statistically very unlikely to find four of them so close to an unrelated radio galaxy
他傾向相信第二個可能性較高,因從統計學的角度考慮,四個極遙遠的星系與一個毫無關連的射電星系在星空中如此接近,可能性是微乎其微的。Im believed that the four heros are probably part of the same cluster of galaxies to which 53w002 belongs
Im相信,這四個hero可能與那個射電星系是在同一個星系團中。分享友人