emission lines 中文意思是什麼

emission lines 解釋
發射線
  • 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。
  • lines : (輪船/航空/航運等)公司
  1. The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "

    認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的;隨激光能量的增加, cu等離子體特徵輻射(分立譜) 、連續背景輻射(連續譜) 、電子溫度都出現最大值;結合對al的實驗結果說明:激光燒蝕金屬產生的等離子體,其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值;背景氣壓對激光燒蝕等離子體譜線的影響,其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。
  2. ( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines

    ( 2 ) cu等離子體光譜:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈;比較了激光能量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的空間分佈。
  3. The isoelectronic system of gap : n has been investigated extensively in the dilute limit since 1965. thomas et al identified that a series of sharp emission lines in gap : n were due to the recombinations of excitons bound to either isolated nitrogen centers or various nitrogen pair centers

    這些譜線來自於等電子雜質n形成的束縛激子態(孤立n中心和nn _ i對)輻射復合產生的零聲子線及其聲子伴線。
  4. 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。
  5. In contrast only a few widely spaced lines are seen in hydrogen ' s atomic emission spectrum

    相反相成,氫原子發射光譜中則只能看到少量的間隔很大的線條。
  6. Each element has a unique atomic emission spectrum with different numbers and colors of lines

    每個元素都有一個獨特的原子發射光譜,擁有不同的線條數量和顏色。
  7. For example, neon ' s atomic emission spectrum consists of dozens of closely spaced lines, many of which are red or yellow

    比如,氖的原子發射光譜包括許多緊密間隔的線條,其中許多都是紅色或黃色。
  8. The main contents and important results of this paper are as following : strong blue cooperative up - conversion luminescence is observed in various host materials single doped yb3 + ions with naked eyes at room temperature under 980nm excitation. moreover there exist rich emission lines and peculiar ratio of luminescence intensity in all samples. intense green and blue up - converted luminescence is observed in yb3 + - ho3 + co - doped pbf2 - znf2 based materials with 930 nm diode light excitation at room temperature

    其主要內容與得到的結論如下: ( 1 ) yb ~ ( 3 + )單摻雜不同基質材料組成的氟氧化物在980nm激光激發下發射出明亮的yb ~ ( 3 + )離子的合作上轉換藍色熒光,同時這些樣品具有極為豐富的熒光發射,有著特別的色比關系。
  9. Our next - generation high - resolution spectrometer is a novel combination of optics and electronics that is ideal for applications such as characterizing lasers, measuring gas absorbance, and determining atomic emission lines

    我們下一代高解析度分光計,是一種新的光學和電子學器件的組合,對在激光特徵分析,測量氣體吸光率和確定原子散射線等領域的應用很理想。
  10. 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。
  11. 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。
  12. One kind of electromagnetic radiation leakage of computers is conducted emission, with radiation through power wires and signal lines ; the other kind thereof is due to that : magnetic fields produced by signal current of computer processors and displays in equipment may leak through the cable sleeves and be picked up by the current probes clamped on lines, and the signals received may be sent to the specially - made receiver for processing and restoration

    計算機電磁波輻射泄漏一類傳導發射,通過電源線和信號線輻射;另一類是由於設備中的計算機處理機、顯示器信號電流產生的磁場可能透過外套泄漏出來,被卡在線上的電流探頭檢拾到。
  13. Cooper standard automotive, a multi - national comp - any whose business covers sealing systems, nvh ( noise, vibration and harshness ) control systems, and fluid handing systems ( brake pipe, brake & fuel bundles fuel lines power steering assemblies, heating and cooling, emission control, and others with all the advanced production equipments as well as research facilities

    庫博汽車配件有限公司是一家國際性的汽車配件生產型公司,在全球均設有同汽車配件相關的生產及科研設施,涵蓋的產品包括密封系統、減震系統、流涕承載系統(剎車管路、燃油管路、動力轉向系統、加熱冷卻系統、廢氣再循環等系統) 。
  14. Much astrophysical information is to be obtained from the intensity of absorption or emission lines.

    許多天體物理信息要根據吸收線或發射線的強度才能取得。
  15. The libs - elite comes with intuitive operating software and a library of elemental emission lines, which enables automatic identification of all elements present in a sample

    Elite有操作軟體和元素放射線庫,確保試樣中的現存元素可自動鑒定。
  16. The main contents are as follows : ( 1 ) some characteristic emission lines of neutral atoms in excited states are identified

    主要的研究內容有: ( 1 )初步確定了樣品中元素激發態原子發射譜線的元素歸屬。
分享友人