resonance structure 中文意思是什麼

resonance structure 解釋
共振結構
  • resonance : n 1 回聲,反響;【物理學】共鳴,共振;【無線電】(波長的)調諧。2 【化學】中介(現象)。3 【醫學...
  • structure : n. 1. 構造,結構;組織;石理,石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】(直接經驗中顯現的)結構性,整體性;整體結構。adj. -d ,-less adj.
  1. The resonance structure in the region of the 3p threshold is enhanced via a super - coster - kronig transition

    由於super - coster - kronig過程,在3p電子的閾能區間得到了加強型共振結構。
  2. Finally, a feasible, economic, available plan is, found, the problem that resonance vibration of the downriver structure of the plant has commendably been solved

    在大量的優化分析基礎上,綜合考慮其它方面的因素,找到了一種經濟、有效、可行的方案,很好地解決了紅石廠房下游抗振加固問題。
  3. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重量輕;無鐵芯、不存在磁飽和與鐵磁諧振問題;動態響應范圍大,頻率響應寬;抗電磁干擾性能強;無油化結構、絕緣可靠、價格低等優點;是未來電流互感器發展的方向,是新一代電力數字網發展的需要,適應電力計量和保護數字化、微機化和自動化發展的潮流。
  4. This resonance structure results from the interference between a photoionization process or a photoionization with excitation process and a resonant auger process

    這一共振結構是由於光電離過程或光電離激發過程與auger共振過程相互作用的結果。
  5. In part two of this paper, many - body perturbation theory has been used to calculate the resonance structure ( 3p - 3d ) into the photoionization ( 4s - kp ) for ion ca +

    在本文的第二部分,運用多體微擾理論,我們計算了ca ~ +離子在4s kp的光電離過程中, 3p 3d躍遷的共振結構。
  6. All data indicated that f i was a pure substance. third, using modern analytic techniques such as nucleic magnetic resonance ( nmr ), infrared spectroscopy ( ir ), ultraviolet visible absorption spectra ( uv ) and mass spectrometry ( ms ), we analyzed the basic chemical structure of f i and nominated it phthalic acid di ( 3 - methyl ) nanyl ester ( pdne ). we estimated primarily it was a novel natural compound

    第三,利用核磁共振,紅外光譜,紫外分析,質譜等現代分析測試技術對分離提取物f進行結構鑒定,解析出f的結構,初步推斷該物質為鄰苯二甲酸- ( 3 -甲基)壬酯( pdne ) ,根據目前所掌握的資料,還沒有檢索到該物質相關的報道,初步認定為一種新型的天然產物。
  7. To solve this problem, higher order diagrams were included after detailed mathematic preparation and physical interpretation. in order to see their effect and to avoid the " black box " working style of cem, these diagrams were added to cem one by one. comparison is made with experiment and the results show that higher order diagrams decrease the diverged resonance structure effectively

    針對garvin計算的錳原子里德堡共振結構過于發散,以至於物理上不易接受的問題,我們有效的分析了多體微擾理論中的二階基態關聯圖式、 rpa圖式以及auger圖式,建立了相應的演算法和程序,並明確地給出了這些高階圖式的物理意義。
  8. The coupled equation method ( cem ) has been improved to calculate 4s subshell of mnl by adding 3d ~ ( 5 ) ( ( 4 ) ~ x ) 4s ( ( 5 ) ~ x ) channels, which were verified to play a key role to the magnitude of resonance structure due to the interaction between 4s kp transition and 3p 3d excitation. our calculation shows higher symmetry and a solo peak near 51. 7ev, which is in better agreement with experimental data than garvin ' s calculation. except 3p 3d giant resonance, there are obvious 3p nd ( n > 4 ) rydberg resonances with width in the total cross section of mnl

    在研究錳原子4s殼層的共振結構時,我們首次在耦合方程方法中加入了3d ~ 5 ( ~ 4x ) 4s ( ~ 5x )通道與大共振之間的相互作用,發現這類通道對於4s殼層的共振結構具有較大的貢獻,從而改善了在耦合方程方法中只考慮基態3d ~ 5 ( ~ 6s ) 4s ( ~ ( 7 , 5 ) s )的缺陷,為精確計算其他過渡金屬原子外殼層的共振結構做了很好的鋪墊。
  9. There is no effective method to forecast and estimate the hydraulic vibration of hydraulic turbine up to now in the world, much less research in - depth for powerhouse structure resonance excitated by hydraulic disturbance of hydrogenerator set

    目前國內外尚無完善的水輪機水力振動預估方法,而對機組水力振動引起的廠房結構共振更是未深入研究。
  10. The design of resonant p. a. cell is one of the most important parts, including p. a. cell structure, first resonance frequency, optical reflection sets, and couple between optical fiber and p. a

    諧振式光聲腔的設計是該系統的關鍵,包括光聲腔結構設計、第一諧振頻率及品質因子的確定、光學反射裝置、光纖和光聲腔的耦合等。
  11. This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored

    二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論,特別對利用空間信息進行閾值選取進行了詳細論述;在對通過對基於數學形態學的細化的基礎上,討論序貫同倫形態細化演算法和保形的快速形態細化演算法;然後依據聯機字元識別原理框圖,分析了手寫數字的結構特點,提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術,對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述;繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究,對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振( art )網路的字元識別分別進行了詳細討論,並引入置信度分析將多個分類器進行了混合集成;最後簡單闡述了手寫數字識別的典型應用,對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。
  12. The vibration of upper structure of bridge which caused by the dynamic action of vehicle pass the railway bridge may make the structural component fatigue and decrease the intensity and stability. the more vibration of bridge will influence the safety and stability of vehicles ; when the dynamic changing frequency of vehicle equal or approach to the free vibrational frequency of bridge, wh ich will make the resonance may intensify the response of bridge and vehicles

    列車動力作用引起橋樑上部結構的振動可能使結構構件產生疲勞,降低其強度和穩定性;橋梁振動過大可能會對橋上車輛的運行安全和穩定性產生影響;當列車的動力變化頻率與橋跨結構自振頻率相等或接近時,引起的共振可能會使車橋動力響應加劇。
  13. Wt has been applied to denoising, data compression, and resolution of overlapping signals in analytical chemistry that includes flow injection analysis ( fia ), voltammetric analysis, high performance liquid chromatography ( hplc ), infrared ( ir ) spectroscopy, mass spectroscopy ( ms ), nuclear magnetic resonance ( nmr ) spectroscopy, ultraviolet - visible ( uv - vis ) spectroscopy, photoacoustic spectroscopy ( pas ), extended x - ray absorption fine structure ( exafs ) spectrum, etc

    在分析化學領域中,小波變換在流動注射分析、伏安分析、高效液相色譜、紅外光譜、質譜、核磁共振譜、可見紫外光譜、光聲光譜、擴展x -射線吸收精細結構( exafs )譜等分析化學信號的平滑濾噪、數據壓縮、重疊信號解析等方面都有成功的應用。
  14. In the clinical application of magnetic resonance cholangiopancreatography ( mrcp ), the retention fluid in gastrointestinal tract hinders the clear display of the structure of pancreatic and bile common ducts

    摘要磁共振胰膽管造影在臨床應用中,由於胃腸道內常存有瀦留液,影響了胰膽管結構的清晰顯示。
  15. The difference between the magnetic moments for the samples with respective doping level can be ascribed to the variation of the competition between thermal effect and the magnetic coupling. based on the spin orientation rotation of dy sublattice as well as the antiferomagnetic coupling between dy sublattice and mn sublattice, we successfully elucidate the changes of magnetic structure in perovskite compounds s. electron spin resonance ( esr ) study on perovskite compounds on the basis of chapter 4, we give further study on micromagneticism of dy - doping perovskite compounds la0. 67 - xdyxsr0. 33mno3

    其中第一節簡單回顧了早期對a位雙稀土元素元素摻雜鈣鈦礦化合物的研究,早期研究較多的是替代元素的離子半徑變化上,由於替代離子半徑的改變,使a位平均半徑變ylll化,致使公差因子改變,使mn o長、鍵角變化,晶格效應的作用使化合物的磁性、電性、 cmr效應發生改變。
  16. The modal parameters are the basic data for structure dynamic analysis and vibration control. the methods of modal parameters identification can be cataloged into phase resonance testing ( normal - mode force appropriation ) and phase separation approaches

    目前,識別模態參數的方法可分為相位共振法(適調多點激振法)和相位分離法兩種[ 1 ] 。
  17. Second, negative dispersion without absorption, which leads to superluminal light propagation, is achievable in the central resonance structure of the dispersion spectrum. the negative dispersion is slightly weakened as the spacings between dressed states increase

    其次,在色散光譜的中心區域,呈現出無吸收負色散,這種效應能夠導致超光速傳播,但它隨著修飾態間距增加而減弱。
  18. Fourthly, the resonance structure disappears in the energy dependence of integral cross - section due to the summation of partial waves

    另外在積分散射截面中,由於對各個分波求和,能量幾率曲線的振動結構消失了。
  19. Compared with cem, the generalized resonance method was used to calculate resonance structure for it can account for many resonance transitions efficiently. up to now, this is the first theoretical study by using mbpt. the calculation reproduced 3p 3dand 3p 4s resonance well

    3p斗4s ,共振位置在3p崢3d大共振的左側,這點我們的結果與dolmatov的rpae計算以及cooper的實驗相一致,但是理論計算共振的強度隨能量的增加呈減小的趨勢,與實驗恰恰相反。
  20. This dissertation concentrates on photoionizaiton of mnl and mnll including resonance structure in the framework of many - body perturbation theory ( mbpt ). more accurate results were obtained by using the new approach to calculate resonance structure and photoionization cross section

    首先針對錳原子或離子不同殼層的光電離結構進行特定的理論分析,然後通過合理的選擇勢能及共振結構的計算方法,並考慮高階關聯,得到了一系列新的更為精確的光電離截面及共振結構。
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