激光微量分析 的英文怎麼說
中文拼音 [jīguāngwéiliángfēnxī]
激光微量分析
英文
laer microannalysis- 激 : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 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
- 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
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Detection : carbon - sulfur analyzer, oxygen analyzer, glazing machine, rockwell ( vickers ) hardometer, profile projector, surfagauge, scan electron microscope, laser conductometer, magna - check, universal measuring instrument, metallograph and image analysis system, abrasion tester, universal test machine and other advanced analysis and detection equipment and instruments
檢測類:碳硫分析儀、氧分析儀、試驗室用拋光機、洛(維)氏硬度計、輪廊投影儀、表面粗糙度測量儀、掃描電鏡、激光熱導儀、磁力探傷機、萬能測量儀、金相顯微鏡及圖像分析系統、磨損試驗機、萬能試驗機及其它的先進的分析檢測設備和儀器等產品類。Integrating tynman system with polarized system together, the laser interferometer is compatible for the surface with different reflectance. first, on the basis of synthesizing different interferometric microscope, the author introduced a kind of lase interferometer combining polarized interferometry and real - time phase detection algorithms. first, a kind of optical configuration is introduced, which is realized in the above interferometer
本文在分析了國內外不同干涉顯微系統的基礎上,根據干涉顯微測量方面的需求提出了採用偏振干涉和條紋掃描方式實時檢測波面位相的激光干涉顯微系統,提出了一種可用於表面微觀輪廓及粗糙度參數測量的光學顯微干涉系統的光路,然後介紹了條紋掃描波面位相實時檢測技術以及四步移相法,並在此基礎上完成了光學系統及相關的機械結構。The micromechanism of laser acupuncture and moxibustion are investigated, from photothermal and photopressure interaction. based on the thermal equilibrium and electromagnetic theory, the photo - tissue thermal interaction are discussed
摘要給出激光照射對組織熱和機械作用微觀機制,利用熱平衡理論和電磁理論對激光熱作用進行定量分析和計算,在此基礎上探討激光針灸作用機理。In the present dissertation, friction - induced noises emitted by a flat specimen rubbing against another flat specimen or a ball specimen under reciprocating sliding are studied. the detailed observation of the scars is conducted by means of a scanning electrical microscope ( sem ), laser scanning microscope ( lsm ), optical microscope and profilometer. the dynamic state variables are analyzed in detail using the discrete wavelet transform
使用電子掃描顯微鏡( sem ) 、激光掃描顯微鏡( lsm ) 、光學顯微鏡和表面輪廓測量儀等設備對摩擦噪聲發生的區域進行了詳細的觀察和分析,運用小波變換技術對摩擦噪聲狀態下的動力學變量進行了深層次的研究,應用matlab simulink語言對摩擦系統進行了振動動力學模擬,系統地研究了摩擦噪聲的形成機理。We analyze the influences of the perturbed energy - level space and superposion, laser power and intermediate level offset on quantum interference. experimentally, in the sodium dimmer rhomb - type four - level system with a pair of perturbed levels, the interference enhancement of two - photon absorption caused by coherent superposition of the perturbed levels is experimentally observed
分析了微擾能級的間隔和疊加程度、激光功率以及中間能級的失諧對量子干涉效應的影響,實驗上觀察了包含有一對微擾疊加中間能級的菱形四能級系統中的雙光子激發現象,發現微擾能級的相干疊加可增強雙光子吸收。By improving the conventional electric - arc fusion method, we have realized the splicing between two kinds of mofs and smf with relatively low splice losses. we have written fiber bragg gratings in grapefruit mof successfully. the multi - wavelength resonances are observed in the grating, and theoretical analysis shows that this phenomenon is caused by the resonances between core modes and cladding modes
在此基礎上對微結構光纖光柵進行了理論和實驗研究,在柚子型光敏微結構光纖上成功寫制了布拉格光柵,觀察到多波長的反射峰,並利用全矢量有限元方法對微結構光纖布拉格光柵中的多波長諧振現象進行了理論分析,最後在實驗上對其在多參量傳感和多波長光纖激光器件中的應用進行了嘗試。In the experiment, we use the he - ne laser and the semiconductor laser as the source, record the bessel beam patterns behind the axicon by using a digital camera and a microscope, measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance. the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range. the results agree with the beam corresponding to a diffraction free beam
同時我們還採用膠片掃描的方法測量了無衍射光束的中心光斑尺寸,測量了不同光闌孔徑和不同稜角情況下的最大無衍射距離和傳播軸附近橫截面內微小光孔中的光強,實驗結果顯示當激光光束經過軸棱錐轉換後有一段距離功率變化很小,且分佈近似貝塞爾分佈,符合無衍射光束的特性;經過聚焦后,呈現三維分佈中空的光束bottlebeam ,實驗結果與理論分析基本吻合。By contrasting the dimension and appearance of fe of different precursors, verified it is true that the dimension and appearance of precursor affect these facets of fe. modern measures, for instance xrd, tem, sem, laser and infrared technique etc. are used to research the technique indexes of sfp of fe, such as crystalline, dimensions and its distribution, shape and appearance, assemble status and its oxygen content
對所制備的超微fe粉,採用x射線衍射法( xrd ) 、透射電鏡法( tem ) 、掃描電鏡法( sem ) 、激光衍射粒度分佈測定法以及紅外測氧法等現代分析測試手段,詳細考察了超微fe粉的晶態、尺寸、粒度分佈、形貌與團聚狀態、氧含量等多項技術指標。Based on certain theoretical analysis and toward thick recast layers and flaw ’ problem in laser drilling, adopting high power and high quantity laser carry experimental research
並在理論分析的基礎上以及針對激光打孔中出現的再鑄層和微裂紋等問題,採用研製的具有切割功能的高功率高光束質量的激光器,進行了激光打孔的實驗研究。In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results
本工作以矢量場模型出發,對具有誘人應用前景的柱形垂直腔面發射結構( vcsel )的微腔半導體激光器( mcsl )進行了理論分析,建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型;對圓柱形結構情況進行了數值模擬,得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼視為非理想導體,或將金屬包殼與激光器結構隔開,分別對這兩種情況下的結果進行了討論。The study of trace gas detection technology is expected to solve this problem
激光光譜分析技術將為微量氣體檢測提供新的高性能的技術手段。First this paper introduces the development of microscale heat transfer from theory, experiment and computer simulation. then it analyses the heat transfer mechanism during short - pulse heating of metals and the microscale heat conduction in dielectric thin films. last it expatiates on the principle of ac calorimetric method and its experimental techniques
本論文首先從微尺度理論、實驗技術和計算機模擬三方面介紹了微尺度傳熱學研究現狀,接著分析了超短激光脈沖加熱金屬薄膜過程中的熱傳導和介質薄膜中的熱傳導機制,闡述了超短激光脈沖交流量熱法的原理和實驗技術。Based on these analyses, we see that the si - based quantum - dot laser has higher gain and differential gain, its threshold current is more lower and the threshold current is insensitive to temperature when si - based quantum - dot laser compares with normal semiconductor laser and quantum - well laser
分析表明,與普通激光器和量子阱激光器相比, si基量子點激光器有更高的增益和微分增益,閾值電流更低,閾值電流對溫度更不敏感。The design of the laser measurement and analysis system for mechanic surface microcosmic appearance
機械加工表面微觀形貌激光測量分析儀的設計Analytical method of microquantity uranium in air by laser - fluoremetry
空氣中微量鈾的分析方法激光熒光法The sto, ybco and sto / ybco thin films were deposited on laalo3 ( 001 ) ( lao ) substrate by pulsed laser deposition ( pld ). the effects of deposition parameters, such as the substrate temperature, the of target - substrate distance, laser energy density, on the properties of the thin fillms were systematically studied. the surface morphology of the thin films was investigated by atomic force microscopy ( afm ) and scanning electron microscopy ( sem )
採用脈沖激光沉積技術在laalo3 ( 001 ) ( lao )基片上生長ybco 、 sto以及sto / ybco集成薄膜,系統研究了基片溫度、基片表面狀態、氧分壓、激光能量密度、脈沖重復頻率等工藝參數對薄膜表面性能、結晶情況的影響,優化了ybco 、 sto薄膜生長的工藝參數,運用afm 、 sem 、 xrd等分析手段表徵薄膜的微觀性能,分析結果表明:薄膜表面平整、結晶良好、 c軸織構。The main idea of this research can be summed up as following words, reflecting light or scattering light upon the surface of measured object formats an image on the photo surface of psd by a optical system, because of the good relationship between the offset of image point in psd and the offset of object thickness, a mathematical model can be founded according to this relationship. it can measure the shift of object thickness through these analyses of movement of image point position in psd, and this device can be tested its reliability with many practical specimens
光學式非接觸厚度-微位移測量儀是在激光三角測量法的基礎上實現的,在本研究方案中,根據象點在psd上的移動量建立與被測物厚度-微位移變化之間的數學模型,通過對象點位置變化的計算,實現被測物厚度-微位移變化量的測量。本文重點闡述了光學式非接觸厚度-微位移測量儀的工作原理,並對測量儀的工作過程進行了分析;對影響測量精度的因素做了討論。In the present research, scanning electron microscope ( sem ), laser raman spectroscopy ( lrs ), x - ray photoelectron spectroscopy ( xrs ), x - ray diffraction ( xrd ) and electron probe micro analysis ( epma ) were utilized to investigate the difference in micro - structure and elements distribution between domestic and foreign pdcs. combined with analysis on current manufacturing process, the mechanism for the difference was discussed. scanning electron microscope ( sem ), laser granularity analysis, atom emission spectroscopy ( aes ) and plasma emission spectroscopy ( icpaes ) are also utilized to investigate the grain shape and impurities of key material - diamond power
本課題採用掃描電鏡、拉曼光譜、光電子能譜、 x -射線衍射分析、電子探針等方法分析了國內外聚晶金剛石-硬質合金復合片在微觀組織結構、元素成分分佈方面的差異,結合對現有燒結工藝的分析,研討了造成這些差異的機理;採用掃描電子顯微鏡、激光粒度分析、原子發射光譜、等離子發射光譜等方法對關鍵原材料-金剛石微粉的晶形、雜質含量進行了比較分析測試。Abstract : based on the enhanced effect of spontaneous emission in cavity quantum electrodynamics, the microcavity effect of vertical cavity surface emitting lasers ( vcsels ) is analyzed, and the results obtained in ordinary open cavities and in three - dimensional closed cavities are compared
文摘:依據腔量子電動力學中自發輻射增強效應,分析了垂直腔面發射半導體激光器的微腔效應,比較了普通開腔和三維封閉腔中的結果。This paper discusses the laser trim table control development and design of laser resistor trimming system from the following aspects. firstly, it analyzes the influence on laser trim quality by the dynamic feature, state feature and position accuracy of laser trimming table, and put forwards the control requirement of 0402 resistor
本文從以下幾方面對激光調阻機的光刻平臺系統進行了控制研究與設計:結合實驗分析了光刻平臺的動、靜態性能和定位精度對電阻光刻質量的影響,並針對目前最微小的0402型號電阻對光刻平臺提出了控制要求。分享友人