譜線的 的英文怎麼說
中文拼音 [pǔxiànde]
譜線的
英文
spectral-
" for his discovery of the doppler effect in canal rays and the splitting of spectral lines in electric fields
發現極隧射線的多普勒效應以及電場作用下光譜線的分裂現象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。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。The study of these lines led to the bohr atom model and on to our present understanding of the electron hull of the atom as described by the orbital atom model which is the basis of all understanding of chemistry
在對于譜線的研究基礎上,產生了玻爾原子模型,直至現今描述原子中電子殼層結構的原子軌道模型,該模型是今天我們對于化學的所有認識的基礎。The beginning of atomic physics is marked by the discovery and scrutinious study of spectral lines
譜線的發現和深入研究標志著原子物理學的開端。6. by comparing the relative intensity between 914nm radiation and 1064nm radiation in nd : yvo4 with different nd concentration. we design a 457nm all - solid - state blue laser as pumping source for qpm - opo
在不同摻雜濃度時, gi4nm譜線與1064urn譜線的輸出強度的相對變化,進廳了半導體激光器泵浦d : yv0 。Observation of the on - off sequencing of characteristic spectral lines from tracer materials arranged in layers in, or surface patterns on, planar or spherical targets can provide a record of radial or lateral energy transport processes in laser - generated plasmas
測量激光聚變靶產生的軟x射線時間變化連續譜的形狀,可以知道許多x射線產生過程的詳細動態記錄,這有助於理解實驗的熱學條件。觀察軌跡特徵譜線的閉合序列,能提供關于激光等離子體激發能量和滯后能量的傳輸過程記錄。Study shows that the basic principles of three existed methods for phase difference correction on discrete spectrum are identical, by which the twice fft analysis through time - domain shifting time series or changing window ' s length is performed, and the spectrum by making use of the phase difference of two corresponding peak lines are finally corrected
在研究時域平移的離散頻譜相位差校正方法和改變窗長離散頻譜相位差校正方法的基礎上,發現這幾種離散頻譜相位差校正法的基本原理是一致的,就是通過時移和加不同的對稱窗進行兩次fft分析,並利用離散頻譜對應峰值譜線的相位差以求得頻率和相位校正量。Now the most common standard to characterize the mechanical property of a surface of metallic material is the half width of the x - ray, and micro hardness
摘要目前用來表徵金屬材料表面力學特徵最常見的指標是x射線衍射譜線的半高寬和顯微硬度,人們普遍認為,材料的半高寬值越大,其硬度越高。The testing and analysis data of infrared spectrum and raman spectrum provide valuable experimental data for thorough study of the microcosmic structure of silver - doped films and theoretical in the future
制備和提純工藝是可靠而且高效的;根據對摻雜薄膜紫外譜線的特徵峰紅移現象的仔細分析,確定了低摻雜薄膜c6 。After filtering out the part of low frequency from the data coming from condition monitor and calculating the comprehensive magnitude of spectrum around the clap - frequency, the alarm limit of clap - frequency vibration mal - functions are determined by using statistical method
從信號中濾除高頻成分,求得樣本拍頻附近譜線的綜合幅值,用數理統計的方法確定了拍振故障報警限。Using the multi - cloud model to fit the ha - spectra data of the april 27, 1981 post flare loop, we obtained the spacial distributions of the four physical parameters in the space of the post flare loop : the line - of - sight velocity v the excitation temperature tex, the micro - turbulence velocity vt and the column number density of the hydrogen atoms at the second level along the line - of - sight direction fields n2
我們利用多雲模型處理了1981年4月27日太陽西邊緣耀斑后環的三個時段的h光譜掃描資料。通過對1000餘條對稱譜線和不對稱譜線的計算,我們得到了該耀斑后環各個時段在空間上的視向速度場,激發溫度場,視向上處于第二能態的氫原子柱密度場以及湍流速度場。The small inclusions - in aluminum alloy can be detected according to this rule. 2. the initial phase angle of the highest spectral line mushrooms with the growth of volume percentage of inclusions while forward direction, but it goes down while negative direction. 3
正向檢測(沿軋制方向)時,最高譜線的初相角隨夾雜物體積百分數的增加而迅速增加;逆向檢測時,最高譜線的初相角隨夾雜物體積百分數的增加而迅速減小; 3The liquid - phase synthetic method was improved to obtain the sedimentation of yvo4, which makes the procedure more convenient and the sedimentation more compact. based on the syntheses of the raw materials, the czochralski method was used to grow the crystal from different charges. by comparing with the spectrum in the ultra - violet region of the yvo4 crystals grown in the same condition, the result was reached that the presence of the 1552 absorption peak is independent of the direction of the crystal growth and the annealing, but is related to the impurity of the charges
採用多種方法合成了用於晶體生長的yvo _ 4原料,改進了液相合成法中獲得yvo _ 4沉澱的方法,使得該方法更為簡便,獲得的沉澱更加緻密;在原料合成的基礎上,採用提拉法對來源不同的生長原料進行了生長,並通過對在相同氣氛下生長的晶體的紫外透過譜線的對比,指出了該吸收峰的存在與晶體生長方向及有無退火無關,進而提出該吸收峰的存在與合成原料中有無雜質有關。The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well
對產生946nm譜線的準三能級結構給出了較為完整的分析,利用激光諧振腔處于穩態時的速率方程,導出了準三能級nd : yag946nm起振時,透射損耗與最佳激光晶體長度的關系,在與1064nm透射損耗相比較的基礎上,給出了不同的腔損耗情況下的最低鍍膜要求,並且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關系,這為設計室溫下高效運轉的946nm激光器的提供了理論基礎,這種分析方法對研究此類低增益,準三能級或三能級激光系統輸出特性有借鑒意義。The optimal length of crystal was achieved for the characteristics of quasi - three - level. three types of crystal were compared, we select lbo as the main frequency doubler. meanwhile, the other strong spectrum were restrained by suitable coating
從激光晶體的準三能級特性出發,充分考慮增益與損耗之間的矛盾,選擇出最佳晶體長度;對三種倍頻晶體進行了比較,選擇出lbo作為主要倍頻晶體;對膜系進行了必要的分析,在維持946nm譜線振蕩的同時,充分考慮了其它激光譜線的抑制。According to the ratio of the intensities of the double lines, the ratio of transition probability of the double lines was deduced. compared with the theoretical value, we found they coincided with each other exactly
對a1原子共振雙線( ali394 . 40nm和ali396 . 15nm )的譜線線型進行分析,扣除連續譜線的影響,計算譜線強度比,得到其躍遷幾率比是w _ 1 w _ 2 (Based on the above - mentioned studies, different kinds of frequency spectrum of different heat treatment technologies of 38crmoal steel were analyzed and researched
在上述基礎上,藉助於38crmoal鋼不同熱處理狀態的試塊,對幾種線性譜的理論根據、分析技術、譜線的基本組成等進行了研究和比較。In the paper, the center absorption wave, the absorption shape, the gap between the adjacent lines and the intensity of absorption line are analyzed using quantum mechanics knowledge and molecular spectrum theory. it gives the theoretic description of the beer - lambert law
本文應用量子力學和分子光譜理論分析了氣體分子的吸收中心波長、吸收線型、吸收線寬和吸收譜線的強度分佈等特性,給出了beer - lambert定律的理論解釋。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。分享友人