譜線波長 的英文怎麼說
中文拼音 [pǔxiànbōzhǎng]
譜線波長
英文
line wavelength- 譜 : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
- 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...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 長 : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
- 波長 : [物理學] wavelength波長標準 [光學] wavelength standards; 波長測量 wavelength measurement; 波長常...
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X - ray wave length dispersive spectrometer, x
射線波長色散譜儀( 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。Figure 1. 6 shows the relative response of the "average eye" to light of constant luminance projected at various wavelengths throughout the spectrum.
圖16示出了「典型」人眼對整個光譜范圍內功率恆定而波長不同的各種可見光的相對響應曲線。A particular spectrum line corresponds to a certain definite light wavelength.
某特定的譜線就代表一個確定光的波長。Using photographs taken with a filter transmitting only short wavelengths, we found that 4 ? 24 % of the area of a male ' s colour pattern reflects in the uv
利用短波長的紫外線過濾相片,我們發現紫外線可以照出4 ~ 24 %的公魚色譜。Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency
詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線,實驗結果表明,溫度漲落的中性曲線在低格拉斯霍夫grashof數As explained by the following figure, gas in low pressure and low density will alter the light that passes through it. it is because the gas will absorb light at some particular wavelengths and re - radiate it in random directions. thus, after passing through the low pressure gas, the spectrum of the original white light will have dark lines, called
並不是所有光譜都是黑體輻射光譜,如下圖所示,低壓下的低密度氣體會改變通過它們的光線,這是由於氣體會吸收特定波長的光波並隨機向不同方向把所吸收的光線輻射出來,結果光線在通過低壓氣體后,原本的光譜上會出現很多稱為It is more suitable for the broader sc spectrum generation when the dispersion curve of the fiber is flatter and distance between the two zero - dispersion wavelengths of the fiber is farther from each other
光纖的色散曲線越平坦,色散曲線的兩個零色散波長相距就越遠,也越有利於超連續譜的展寬。The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected
用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角;討論了第二準直器的尺寸和發散,以及使用第二準直器造成的強度損失;給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析度曲線;對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。In this paper we expatiate the importance of using the x - ray to detect the laser - produced plasmas and developing the two - channel elliptical crystal spectrometer ( tcecs ) in the 620 ~ 6200 - ev x - ray region
本文闡述了利用x射線譜進行激光等離子體診斷和國家863軍口主題研製用於探測0 . 2 ~ 2nm波長范圍的x射線譜的雙通道橢圓彎晶譜儀的重大意義。Standard test method for determination of trace metals in petroleum coke by wavelength dispersive x - ray fluorescence spectroscopy
利用波長色散x射線熒光光譜學測定石油焦中痕量金屬的標準試驗方法With the rapid development of optical fiber communication technology, low - cost and high quality near infrared laser and light emitted diode working at room temperature become widely available. the emit wavelength from these light resource is not only consistent with the three low - decay windows of fiber optics, but also with many wide - frequency or recombination absorption spectrum of environmental and industrial gases
光纖通信技術的發展使相對低價、工作于常溫、高質量的近紅外激光器和發光二極體可廣泛獲得,這些發光光源的發射波長與光纖的三個低損耗窗口相一致,也與許多環境和工業氣體的泛頻或復合吸收譜線相一致。In addition, the time - width of pulse also influences hhg. to some extent the spectrum of hhg will become be tter when the time is prolonged
另外,激光脈沖時間的長短也會影響到高次諧波的性質,在一定范圍內,隨著脈沖時間的加長,電離率逐漸增大,譜線結構也越來越明顯。Continuous - wave optical parametric oscillators ( cw opos ) are an attractive source of coherent radiation in applications for which laser sources are unavailable or for which wide tunablity is needed, cw opos have remarkable features of operating with narrow linewidth and broad tunablity
連續波光學參量振蕩器( cwopos )可以用來拓寬激光的波長范圍,有較寬的調諧區域,是一種理想的產生相干輻射的裝置。由於它的窄線寬和寬調諧的輸出特性,也被用於光譜學、相干光通訊、量子光學等領域。Output power equalization of laser dual spectrum lines is a special requirement which is put on its laser source by two wavelength beat - wave absolute distance interferometry
摘要雙譜線功率一致性是拍波干涉測長方案對激光光源提出的特殊要求。Owing to lack of auotmatic separation of led in our country, we borrow ideas from other countries and design a suit of equipment of automatic dection and separation of led. the equipment consists of several parts : led transportation setup ( disc libration setup, line libration setup ), equidistant receving setup, detecting system and automatic separation of led. the equipment achieve automatic separation of led and pipelining. the research lay stress on machanical structural design and order action control which achieve automation separation by using pc and plc
可完成led波長和亮度的在線檢測、自動處理和自動分選,實現了led在線分譜檢測與自動分選的流水線作業。自動分選的機械結構設計、動作實現設計和順序動作控制是本論文的重點。自動分選的實現是通過pc與plc的結合完成對plc的順序控制。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射線波長在探測圓上的彌散度、光度參數與探測角之間的關系、狹縫寬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。By comparing the absorption lines from a star to those obtained in a laboratory, we can tell whether the star is moving away or towards us and how fast the star is moving
只要比對恆星光譜中吸收線的波長和實驗室中同一物質的吸收線波長,我們便可以計算出天體究竟以甚麼速度遠離或接近我們。Wavelength dsperseve x - ray spectrometer x
射線波長析譜儀For example, if we find that the spectral line of the radiation from a galaxy is of wavelength 515nm, the same spectral line measured on earth has wavelength 500nm, then the redshift z 0. 03
例如某星系的某一譜線波長為515納米,但在地球上,同一譜線的波長卻為500納米,那麼波長的變化為15納米,原本波長為500納米,所以紅移量z等於0 . 03 。分享友人