line emission 中文意思是什麼

line emission 解釋
譜線輻射
  • line : n 1 線;繩索;釣絲;測深度用繩,捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  • emission : n. 1. (光、熱、氣體等的)發出,發射,射出,放射;傳播。2. (紙幣等的)發行;發行額。3. 發出物,放射物。4. 【醫學】排出;遺精。
  1. We form a ly a line sample from spectra of 19 qsos in the literature. in this analysis, we demonstrate that a proximity effect is present in the data ; i. e., there exists a significant deficit of lines at zabs = zem, within 4h - 1 mpc of the qso emission redshift. and the deficit depends on the rest equivalent width of the lines, with weak lines showing a relatively weaker effect

    我們發現所選樣本中確實存在接近效應,特別在z _ ( abs ) z _ ( em )附近距類星體4h ~ ( - 1 ) mpc范圍內, ly森林的線數相對演化規律估計得到的線數缺少很顯著,並且與譜線的靜止等值寬度有關,弱線的接近效應較弱。
  2. Hence, the spectrum is called a line spectrum ; it is also called an atomic emission spectrum, since it is produced by emission of light from excited atoms

    因此,這個光譜也被稱為線光譜,也被稱為原子發射光譜,因為它是由被激活的原子發出的光產生的。
  3. To search for high - velocity molecular emission toward massive star formation regions, and to study the connections between h2o masers, iras objects and outflow properties, we carried out a co observation for a h2o maser sample. we found that most of the objects have excess high velocity emission produced by outflows ; we find a significant correlation between co line full widths and iras luminosities. the widths are proportional to the iras luminosities

    通過在大質量恆星形成區搜尋高速分子輻射,並且研究它們與星際h _ 2o脈澤源和所聯系的紅外源之間的關系,我們發現絕大多數源都存在著氣體的高速運動並且它們是由分子外流產生的;我們同時發現在co分子的譜線全寬和所對應源的紅外光度之間存在很好的相關性,線寬隨紅外光度增加而變大。
  4. Determination of micro - elements in grains by flow - injection microwave plasma torch atomic emission spectrometer simultaneously with on - line standard addition

    流動注射在線標準加入法同時測定糧食中微量金屬元素
  5. The main research contents of the physical design include : presenting the domestic and international status of space weather and expanding on the need and the importance about the space weather forecast ; sorting the disastrous space weather and discussing their effects and adapted prediction methods ; analyzing the solar disturbing resources of space weather and the precursor or concomitant phenomena of solar eruption based on the newest observational results ; probing into the radiation principle of solar short - wave ray and presenting the computing methods about solar continuum and line spectrum radiation ; extrapolating physical methods of reconstructing the temperature and the emission measure of coronal plasma ; argumenting the effective observing spectrum for space weather empirical forecast and space weather numerical forecast

    物理設計的主要研究內容包括:分析目前國內國際空間天氣預報的發展現狀及開展空間天氣預報的必要性和重要性;分類討論了災害性空間天氣的種類、影響及目前國際上的預報方法:分析了空間天氣太陽擾動源及擾動源爆發的先兆現象或者伴生現象;討論了太陽短波輻射線譜和連續譜輻射強度的計算方法:推導了利用望遠鏡多波段的觀測結果反演日冕等離子體溫度、發射量等參數的物理方法:論證了開展空間天氣經驗預報和發展數值預報有效的成像譜段。
  6. Terminating line number emission

    顯示終止行號
  7. This indicated an absence of deep trapping centers. this peak was still observed at room temperature, temperature. the presence of this intrinsic near - band - gap emission line in the pl spectrum even at room temperature is a further indication for the high quality of the epitaxial layer

    Znse薄膜樣品在77k時,光致發光譜中只觀測到了近帶邊的發射,而且這一發光一直持續到室溫,說明在si襯底上lp - mocvd外延生長的znse薄膜具有較高的質量。
  8. Plasma characteristics of a rf ion source are investigated by emission spectroscopy. the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656. 28, 486. 13, 434. 05nm ) of rf ion source plasma, are measured with calibrated optical multichannel analyzer ( oma ). some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform

    實驗採用絕對定標后的光學多道分析系統( oma )測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線( = 656 . 28 , 486 . 13 , 434 . 05nm )的強度,並採用plte的理論和abel變換方法,計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分佈情況,並進行了簡要分析。
  9. The companies manufacture various professional electronic links, jiechajian procedures, audio, video plugs line, computer peripheral plugs line, ac, dc plugs lines, the various emission line spacing and jiechajian procedures applicable to different types of home appliances, communication products and equipment control circuits connecting

    本公司專業生產製造各種電子連接線,接插件,音、視頻插頭線,電腦周邊插頭線, ac 、 dc插頭線,有各種間距的排線及接插件,適用於各類家用電器、通訊產品及儀器的控制線路連接。
  10. We also experimentally observed the effect of sodium atom - molecular collisions and sodium atom - atom collisions on the line - shape and intensity of fluorescence spectra. in addition, the optically pumped infrared stimulated emission and energy transfer up - conversion process are observed in pr3 + : y2sio5, and with the threshold energy, temperature dependence and divergence angle for the stimulated radiation are measured

    此外還研究了摻雜在固體y _ 2sio _ 5中的pr ~ ( 3 + )的光泵紅外受激輻射和能量轉移上轉換,分別測得了紅外受激輻射的閾值能量和發散角,並擬合得出了能量轉移速率。
  11. The object of single photon emission computed tomography ( spect ) is to reconstruct an unknown radioactivity distribution inside the body from projection data consisting of the number of photon collected on a collimated gamma camera. these projections are not simple line integrals but have point - spreads due to the imperfect collimator of the detector and attenuation due to the compton scattering. so

    這種投影數據與透射ct中的數據不同,由於存在著光子的點擴散(由準直器引起)和衰減(由散射引起) ,已經不能用簡單的線積分來描述這個問題,因此相對于透射ct而言,這個領域將面臨很多困難。
  12. We could offer the automatic dust - free painting production line for manufacture, tunnel drying oven line, paint coating production line for metalwork, paint coating production line for glass - work, paint coating production line for woodwork, powder coatingproducte line for metalwork, whole series of painting cabinet, all classes of drying oven, uv light drying, fresh air supply sy - stem, static dust removal equipment, emission 、 waste water control system and net printingproduction equipment, conveying equipment, electronic production equiment etc

    公司專業提供塑膠製品自動無塵塗裝線,隧道式烤爐流水線,金屬製品噴油生產線,玻璃製品噴油生產線,木製品噴油生產線,金屬製品噴粉生產線,全系列噴漆櫃、噴粉房,各類?爐、烘爐, uv光固化機,鮮風供給系統,靜電除塵設備,廢氣、廢水處理系統及絲印生產設備,物流輸送設備,電子生產設備等。
  13. Ray line emission

    譜線發射
  14. We have analyised the observed results of low and high spatial resolution observations of molecular line emission toward regions of high - mass star formation which have contributed to the understanding of the physical conditions, morphologies, and dynamics of the molecular gas in the immediate vicinity of recently formed massive stars

    本文研究了來自大質量恆星形成區的一些分子譜線的低解析度和高解析度觀測結果。這些結果有助於我們了解在最近形成的大質量恆星附近分子氣體的物理條件,形態以及動力學結構。
  15. The allowed coal - burning boilers of 14 mw or larger should comply with stringent emission limits through use of low sulfur coal, highly effective technology for desulfurization and dust removal and on - line monitoring instruments

    規劃保留的20噸以上燃煤鍋爐,通過使用低硫優質煤、應用高效脫硫和除塵技術以及採取其它節能控污措施,並安裝在線監測儀,達到嚴格的排放標準。
  16. Acoustics - laboratory tests on noise emission from appliances and equipment used in water supply installations - mounting and operating conditions for in - line valves and appliances

    聲學.供水設施中使用的設備和裝置發出噪音的實驗室試驗.管路閥門和裝置的安裝和工作條作
  17. On - line inspection and measurement methods of the leakage of valves based on the acoustic emission technology

    基於聲發射技術的閥門泄漏在線檢測方法
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