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- In this paper,it is studied that the angular spectral method for electromagnetic wave propagation is equivalent to Huygens principle. 證明了平面電磁波傳播的角譜法與惠更斯原理是完全等效的。
- The present paper deals with improvement of spectrograph electrode detecting Au by chemical spectral method and its application results. 論述了化學(xué)光譜法測定微量金的攝譜電極的改進(jìn)及應用效果。
- Abstract： This paper reviews some recent development in time seri es spectral analysis,particularly a new generalized spectral method. 摘 要： 綜述了時(shí)間序列頻譜分析;尤其是一種廣義頻譜方法的新近發(fā)展.
- A depth spectral method we developed for stereo matching has increased its credibility and realized the X ray stratified imaging. 利用深度譜分析物體層次，提高了立體匹配的置信度，提高了X射線(xiàn)立體透視的分層成像的質(zhì)量。
- Methods:Morphological, microscopical and UV spectral methods. 方法:形態(tài)學(xué)、組織學(xué)和紫外光譜方法。
- The application of nitrous oxide-acetylene flame atomic absorbance spectral method to measure the content of calcium in positive powder of thermal activated batteries is studied. 簡(jiǎn)述了用一氧化二氮乙炔火焰原子吸收光譜法測定熱激活電池正極粉中鈣含量。
- This photoacoustic spectral method shows high sensitivity and precision, particularly uitable for measuring the absorption spectra of weakly absorbing films. 尤其是測量弱吸收薄膜的吸收譜時(shí);具有較高的靈敏度和實(shí)用性.
- In this paper,normal speciation techniques in analysis polymer ferric salt are classified as chemic analytical method,electrochemistry method,spectral method,micrograph. 本文將比較常見(jiàn)的聚鐵鹽形態(tài)分析方法,介紹了化學(xué)分析法、波譜法、電化學(xué)法、顯微觀(guān)測法。
- Damage Detection Using Cross Spectral Energy Method with Unknown Excitation 互譜能量法在激勵力未知條件下對結構的診傷研究
- Since the 20th century, fluorescence spectral method (FSM), as one of important modern instrumental analysis techniques, has been rapidly developed. Its theory was gradually abounding, and its operating technique was gradually mature and diversified. 熒光光譜法作為一種重要的現代儀器分析方法，從20世紀以來(lái)得到了長(cháng)足發(fā)展，理論日益豐富，技術(shù)日益成熟和多樣化。
- The spectral element methods has the properties of finite element methods and the accuracy of spectral methods, Applying this method to Computational Aeroacoustics is promising. 譜元方法具有高精度和良好的邊界適應性，將其引入計算氣動(dòng)聲學(xué)問(wèn)題中很有發(fā)展潛力。
- Residual lignins from sodium sulfide pretreatment kraft pulping were studied by chemical and spectral methods. 用化學(xué)和波譜分析研究了硫化鈉預處理硫酸鹽制漿中殘余木質(zhì)素的化學(xué)結構特性。
- The method seems good but it needs to be tried out. 這個(gè)方法似乎不錯，但需要試驗一下。
- It is rash to cross the street without looking both ways. 不朝兩邊看看就穿馬路是莽撞的。
- The structures of these compounds were elucidated mainly by spectral methods as three tetracyclo-triterpene acids (1-3),three steroids (4-6) and (+)catechin (7). 采用硅膠柱層析等方法從中分離純化得7個(gè)化合物,通過(guò)波譜技術(shù)和理化常數對照確定了它們的化學(xué)結構,包括3個(gè)四環(huán)三萜酸(1-3)、3個(gè)甾體(4-6)及兒茶素(7)。
- Cross and angry words in family grate upon the ear. 不高興與生氣的話(huà)在一個(gè)家庭里令人不愉快。
- Results The content of pinoresinol in Forsythia suspensa was 0.121%.Its structure was identified with spectral methods including IR, NMR and MS etc.Concl... 結果測得松脂素在連翹中的含量為0.;121%25;并采用IR;NMR;MS等方法確證了其結構。
- A mule is a cross between a horse and an ass. 騾是馬和驢交配而生的雜種。
- The Red Cross dealt out food to hungry soldiers. 紅十字會(huì )把食物分發(fā)給饑餓的士兵。
- Spectral Method for a Class of Parabolic Equations 解幾類(lèi)拋物型方程的譜方法
