spectrum n. (pl. -tra ) 1.【物理學(xué)】譜,光譜;波譜;能譜,質(zhì)譜。 2.【無線電】射頻頻譜;無線電(信號(hào))頻譜。 3.【心理學(xué)】(眼睛的)余像;殘像。 4.〔轉(zhuǎn)義〕范圍,幅度;(連續(xù)的)系列。 an absorption spectrum 吸收(光)譜。 a bright line spectrum 線狀光譜。 an optical spectrum 光譜。 a solar spectrum 太陽光譜。 a wide spectrum of opinion 意見的不同幅度甚大。
electron n. 【物理學(xué)】電子。 the electron beam 電子束。 the electron theory 電子(學(xué))說。
The shape of the electron spectrum in beta decay is not dominated by properties of the matrix element . 衰變的電子譜的形狀不取決于矩陣元的性質(zhì)。
The hot electrons spectra with exponential form is obtained on basis of the fokker - planck equation , which is consistent with the experimental results 這種加速譜具有指數(shù)的形式,和實(shí)驗(yàn)所得到的結(jié)果相符。
Measurements of compton recoil electron spectra caused by the gamma ray are detected by a nominal 5 . 08cm - diam 5 . 08cm - long bc - 501a scintillator detector Bc - 501a液體閃爍探測(cè)器用于測(cè)量射線產(chǎn)生的康普頓反沖電子譜。
We construct eigenfunctions from the linear combination of the b - spline functions and the truncated fourier series , and extend pseudospectral method to calculate above - threshold ionization electron spectrum of one - dimensional atom in intense laser fields . our results are also in very good agreement with those of split - operator method 本文還利用b樣條函數(shù)和傅立葉級(jí)數(shù)的線性組合構(gòu)造原子未微擾的本征函數(shù),將偽譜方法推廣用來計(jì)算一維模型原子在強(qiáng)激光場(chǎng)中的閾上電離譜,其結(jié)果與分裂算符方法所得的結(jié)果也符合得很好。
Some amino acids and drugs imprinted spheres ( mipm ) were prepared via seeds swelling and suspension polymerization , suspension polymerization and emulsion polymerization . the physical and chemical properties of the polymers were analyzed by scanning electron microscope , thermogravimetric analyzer , electron spectrum and solid phase extraction ( microextraction ) technology . the imprinting and recognizing principle of mipm in water was studied through bi - templates imprinting method as well 分別采用種子溶脹懸浮聚合法、懸浮聚合法和乳液聚合法,在水相中體系制備得到了一系列氨基酸和藥物印跡的分子印跡聚合物微球( mipm ) ;采用掃描電鏡、熱失重分析、電子能譜分析、固相(微)萃取等技術(shù)對(duì)制備所得的mipm進(jìn)行了分析和表征;采用雙模板印跡的方法對(duì)水相中mipm的印跡和識(shí)別機(jī)理進(jìn)行了探討。
The energy level structures of the 4d core excited configuration 4d 5s25p5 , final radiative configuration 4d105s25p4 and final auger configurations 4d105s25p3 and 4d105s15p4 of csv ion and all possible decay dynamics processes related to these configurations are all determined by mcdf method . we also compared the present results of radiative transition , oscillator strength and the line width with the results obtained by experimental spectra and the quasi - relativistic configuration interaction method and got a good agreement . we also make prediction for some dominant features of the auger electron spectrum emitted by the auger decay process of the 4d95s25p6 core excited states 論文第三章中詳細(xì)的介紹了cs離子的4d內(nèi)殼層電子激發(fā)組態(tài)4d ~ 95s ~ 25p ~ 5 、輻射末態(tài)4d ~ ( 10 ) 5s ~ 25p ~ 4及auger末態(tài)4d ~ ( 10 ) 5s ~ 25p ~ 3和4d ~ ( 10 ) 5s5p ~ 4的能級(jí)結(jié)構(gòu)及各種可能的輻射和auger衰變過程,獲得了與已有的實(shí)驗(yàn)結(jié)果和相關(guān)的半經(jīng)驗(yàn)準(zhǔn)相對(duì)論組態(tài)相互作用計(jì)算結(jié)果相符的輻射躍遷能、振子強(qiáng)度以及線寬,預(yù)言了4d ~ 95s ~ 25p ~ 5態(tài)的以auger衰變?yōu)橹鞯腶uger電子譜的特性。