能量色散分析 的英文怎麼說
中文拼音 [néngliángshǎisǎnfēnxī]
能量色散分析
英文
energy dispersion analysis- 能 : 能名詞(姓氏) a surname
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 色 : 色名詞[口語] (顏色) colour
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
- 能量 : 1 [物理學] energy; amount of energy 2 (能力) capabilities; capacity; 能量不滅 conservation of e...
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The research of this paper includes three parts : the first, according to the statistical figures about the cargo transport in recent years, it analyzes cargo transport structure and the changing law and the internal reason of cargo transport. at the same time it analyzes and calculates the change of the arriving ships " structure for a systematic and full understand of the transport demands. the second, it make a scientific forecast of the port ' s future cargo capacity making use of the grey forecast system, which provides scientific basis for medium - long term development plan of the port ' s cargo handling capacity
本文研究的工作主要分三個部分:第一,根據張家港近年來有關貨物運輸的一些統計數據,對貨物運輸的結構和規模演變的規律及內在原因作一剖析,同時對到港船舶的結構變化進行預測,以求對運輸需求有一個系統全面的了解;第二,應用灰色預測系統對張家港港未來港口貨運吞吐量進行科學預測,為張家港港貨物裝卸能力規劃提供科學依據;應用物元分析技術對張家港港口的未來發展前景作出一定程度的分析、研究,找出張家港港口未來發展規劃的零散無序、不成系統的因素,總結前人經驗的基礎上採用綜合評判物元模型進行評判,在預測港口未來發展規劃是否科學實際上具有獨到見解。The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。Worn surfaces of sliding pairs were characterized by scanning electron microscopy ( sem ). chemical compositons on the worn surfaces were analyzed by energy dispersion x - ray analysis ( edax ), and profiles and suface roughness of the worn surfaces were measured by stylus profilmetry
用掃描電子顯微鏡( sem )對磨痕表面形貌進行了分析,用能量色散x射線分析( edax )對磨痕表面進行化學成分分析,並用表面輪廓儀測定了磨痕表面粗糙度和磨痕表面輪廓曲線。The main contents are as follows : ( 1 ) by employing the direct method, the soliton periodic amplification system in optical fiber link with loss is considered, and the adiabatic solution ( slowly varying portion ) and first - order correction ( rapidly varying portion ) for a single soliton case are presented
本文的主要內容如下: ( 1 )利用直接擾動方法對周期放大系統進行了理論分析,給出孤子周期放大系統的絕熱近似解和一級修正解的積分表達式,結果分析表明孤子在放大過程中一部分能量以色散波的形式流失,而這一色散波主要由孤子周期放大系統的一級修正解來刻畫。We presents a detailed studied of the linewidth of parametric light in clbo - opo caused by the linewidth of pumping beam, off axis phase matching, divergence angle of pumping, time above threshold, high gain coefficient of nlo crystal, fluctuate of cavitylength, spontaneous radiation, according to the momentum and energy conversion laws, and the sellmeier equations of the clbo, we calculated curves of the type - i and type - ii compared with the bbo ' s
根據能量動量守恆關系和clbo的色散方程,詳細分析了由於泵浦光的線寬、泵浦光偏軸泵浦、泵浦光的發散角、泵浦光功率超過參量光振蕩閾值一定倍數、高增益系數、有效腔長波動以及自發輻射引起的參量光線寬,並得到了與bbo晶體在類、類相位匹配下比較的理論曲線。In this project we use etching method x - ray transmission and tem observe and study the form mechanism of cell structure and linear structure ; use sem observe cell structure directly and evaluate effect to the electrical properties of substrate ; at last, use high resolution tem and eds to observe and identify the nature of microdefects
發現幾乎所有高位錯密度的si - gaas單晶的表層都具有網路狀胞狀結構或系屬結構,首次對該胞狀結構和系屬結構的形成機制進行了研究;直接觀察微缺陷,配合eds (能量色散譜)鑒定si - gaas中微缺陷的物理本質,同時分析其產生原因,討論與位錯的相互作用。Abstract : the surface defects of silver coins was analysed with augerelectron spectroscopy ( aes ), scanning electronic microscope ( sem ) and energy dispersive spectrum ( eds )
文摘:採用掃描電鏡、能量色散譜和俄歇電子能譜檢測方法,對銀幣表面缺陷進行了分析。Edx analysis was carried out to obtain additional information about the elemental composition. it revealed an average n content of 19at. % in the samples when c2h8n2 was selected as the nitrogen source, which was obviously higher than that when nrtcl was used ( 1 % )
X -射線能量色散譜儀( edx )對980下制備的樣品進行了定量分析,其平均含氮量為19at . ,明顯高於以氯化銨為氮源時cn _ x納米管的含氮量( 1 ) 。In the edxrf, the stability of the spectrum has notable affection on the accuracy of measurements
在能量色散x熒光分析儀中,能譜的穩定性對于測量的準確性有明顯的影響。Energy dispersion x - ray fluorescence spectrometer ( edxrf ) is an important nuclear analysis tool, which is widely used in the fields of geology, metallurgy, architectural material and environment
能量色散x熒光分析儀作為一種重要的核分析工具,在地質、冶金、建材、環境等領域有著廣泛的應用。The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed
主要工作在以下幾個方面: 1 、針對頻率選擇性衰落通道:結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法,與傳統方法相比,該方法計算量更小,收斂速度更快,性能更優,且對系統階次的過確定表現穩健,具有實際均衡應用價值; 2 、針對時間選擇性衰落通道:提出一種基於迫零均衡的時間選擇性通道均衡方法,演算法結構簡單; 3 、針對時變色散通道:利用瞬態均值曲線提取通道時變信息,對之ar建模,利用卡爾曼濾波器跟蹤時變通道抽頭變化,可以快速跟蹤通道變化;基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法,提出了新的單輸入多輸出色散時變通道均衡與識別演算法,同樣具有對通道階次過確定保持穩健的優點;結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法;研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題,給出一種時變系統處理模型。As an important nuclear analysis method, energy dispersive x - ray fluorescence analysis ( edxrf ) is a common analysis means in modern scientific research and element analysis
能量色散x射線熒光分析作為一種重要的核分析方法,是現代科學研究、物質成分分析中比較常用的分析手段。Numerical result illustrates that focal length becomes longer when incident wavelength becomes shorter, however the relationship between focal length and incident wavelength is n ' t absolute inverse ratio, it is that the increasing of focal length is faster than the decreasing of incident wavelength. at the same time the numerical result also show that scalar theory ca n ' t be used in the rigorous analysis of the dispersion property of subwavelength diffractive microlens
然後研究了亞波長衍射微透鏡的色散特性,表明亞波長衍射微透鏡的焦距隨著波長變短而增加,但是波長與焦距之間並非簡單的完全反比例關系,而是隨著波長的減小焦距增加得更快,同時指出標量理論已不能準確分析亞波長衍射微透鏡的色散特性。The characteristics of the optical fiber transmission theory are offered, and pointing out emphatically the loss and the chromatic dispersion is the main performance indexes which influence the optical fiber transmission. the loss limits the distance of the optical fiber transmission systematic, the chromatic dispersion limits the capacity of systematic transmission
2 .分析了光纖傳輸特性,並著重指出了損耗和色散是影響光纖傳輸的主要性能指標,損耗限制系統的傳輸距離,色散則限制系統的傳輸容量。Combining gray theory and catastrophe theory, the gray energy catastrophe model is brought out according to the critical value of energy. the real example shows that the critical value is unique. the analytical process of rock mass fail shows that the process of fail of the rock mass is the process that dissipation structure is formed, and that self - organization of surrounding rock is built during the process
在臨界狀態時,只要系統稍有擾動,則系統就會失穩;強擾動可以使失穩提前發生;將灰色理論和突變理論相結合,以能量突變為材料的破壞特徵,提出隧道巖體開挖的灰色能量突變模型,通過實例分析表明,該失穩判據具有唯一性;對巖體失穩的過程分析表明,巖體的失穩過程實際上是耗散結構的形成過程、是巖體的自組織過程,圍巖系統在演化過程中出現分叉和混沌現象。Standard test method for analysis of uranium and thorium in soils by energy dispersive x - ray fluorescence spectroscopy
用能量色散x射線熒光光譜法分析土壤中鈾和釷的標準試驗方法Then, the spectra of al, si, s, ca and fe are measured in the edxrp system, from which it is certain that the purpose is reached basically
然後,用於能量色散x熒光分析系統中,測試了al 、 si 、 s 、 ca和fe等元素的能譜,證實基本達到了預期的目的。The pellet was studied and analyzed by x - ray fluorescence spectrometer, and the working conditions were optimized. the method is fast and precise, and meets the requirement
摘要本文使用國產能量色散x射線熒光光譜儀對分析球團礦進行了方法試驗研究,建立了適當的工作條件,經試驗,該方法速度快,精密度滿足使用要求。In this dissertation, a research of grazing x - ray fluorescence analysis has been carried out, and on this basis, an energy - dispersive method to measure soft x - ray fluorescence based on grazing emission has been studied
本文在分析國內外掠射x射線熒光分析技術的基礎上,對能量色散掠出射軟x射線熒光探測方法進行了深入的研究。分享友人