x-ray characteristics 中文意思是什麼

x-ray characteristics 解釋
x線特點
  • x : X2＝ （羅馬數字）10 XX ＝ 20 IX ＝ 9 XV ＝ 15 XL ＝ 40 LX ＝ 60 XC ＝ 90 DXL ＝ 540 MX ＝ 1010 ＝...
  • ray : n 雷〈姓氏，男子名， Raymond 的昵稱〉。n 1 光線，射線，熱線；〈詩〉光輝，閃爍，曙光，一線光明。2 ...
  • characteristics : 產品性能描述
  1. The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite

    採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法，對國內外多種典型石墨樣品的結構與性能進行比較，研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響，確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。
  2. The results from x - ray diffraction demonstrated that pp / mmtome was a fully intercalated nanocomposite, pp / mmtom and pp / ommt were partly intercalated nanocomposites, but the intercalation effect of pp / mmtom nanocomposite was better ; the crystallization characteristics of pure pp and pp / mmt nanocomposites were investigated by dsc, waxd and pom. the result of these testing showed that mmt nano - layers acted as nucleating agents for the crystallization of pp, the addition of mmt had effect on the crystallization process, leading the increasing of crystallization temperature crystallization rate and crystallinity, but also the dimension of spherulite reduced. but the formation of pp crystal did n ' t change, the formation of pp crystal in three pp / mmt nanocomposites and pure pp were a - form on the whole ; influences of three sorts of mmt on mechanical properties of pp / mmt nanocomposites were studied, as a result, the addition of mmt comprehensively improved mechanical properties of pp : notched impact strength, tensile strength and flexural properties were all increasing, but the extent of increasing were n ' t large

    通過xrd分析比較這三種pp mmt納米復合材料微觀結構得到， pp mmt _ （ ome ）屬于完全插層， pp mmt _ （ om ）與pp ommt的插層程度相近，但是pp mmt _ （ om ）相對較好；通過對純pp和三種pp mmt納米復合材料的結晶性能研究發現，蒙脫土納米片層對pp結晶產生明顯的異相成核作用，結晶能力增強，使pp的結晶溫度和結晶速率提高，結晶度增加，球晶晶粒細化，但是沒有改變pp的結晶形態，三種pp mmt納米復合材料的結晶形態都屬于晶；通過對pp mmt納米復合材料的力學性能測試得知，蒙脫土的加入全面提高了pp的力學性能，缺口沖擊強度、拉伸強度和彎曲性能都有一定程度的提高，浙江{ _業大學碩十學位論文摘要但是提高幅度都不是很大，不過ommt 、 mmtom和mmtc ） me三種蒙脫土對pp力學性能有著不同的改性作用，其中pp / mmtom最好， pp月邊mto崛次之， pp / ommt最低，這種情況主要是由蒙脫土對pp結晶性能的影響和蒙脫土的納米改性作用造成的。
  3. Temporal characteristics calibration for an x - ray streak camera

    光條紋相機時間性能標定
  4. Considering the shape of quantum - wires, the modal x - ray diffraction of trapeze quantum - wire is established. the relationship between fourier transforms quantum wires shape and x - ray diffraction is presented to obtain the more exact info of parameters. so the fundamental characteristics of x - ray diffraction for quantum wire array are investigated

    考慮到量于線的形狀，建立了梯形量子線的x射線衍射模型，得出量子線的形狀與x射線衍射之間互為傅立葉變換的關系，從模擬的結果得到更為精確的參數信息，從理論上認識了量于線陣列的x射線衍射的最基本特點。
  5. The authors studied the characteristics of element geochemistry, mineral assemblage and microtexture of the white reticulate clay in the quaternary laterite of the dongting basin with some experimental analysis methods, such as chemical analysis, x - ray diffraction analysis, ir and sem analysis. the genesis of the vermiculate reticulate clay and the rhizomatic reticulate clay in the quaternary laterite of the dongting basin are discussed. the formation of crannies or holes in the soil and the transference of soil elements are absolutely necessary conditions to form the white reticulate clay in laterite

    在野外考察的基礎上，運用化學全量分析x射線衍射分析紅外光譜分析和掃描電鏡微形貌分析等實驗方法和手段，對洞庭盆地第四系紅土地層中網紋的元素地球化學礦物組合特徵和微形貌特徵進行了系統研究，對洞庭盆地紅土地層中2種主要的網紋類型蠕蟲狀網紋和根狀網紋的成因進行了探討。
  6. The dissertation firstly discusses the reflectance of euv and soft x - ray in " multilayer system based on classical electrodynamics and optical characteristics of materials. the nns surface roughness in different spatial frequency range is carefully studied since scattering can seriously reduce the reflectance in euv and soft x - ray wavelength region. we discuss representative model of residual stress in

    首先從材料在極紫外、軟x射線波段的光學特性出發，討論了極紫外、軟x射線在理想和非理想多層膜系中的反射特性；研究了影響極紫外、軟x射線多層膜反射率的表面粗糙度的空間頻率范圍；重點探討了多層膜殘余應力的典型模型、應力形成機制以及薄膜的形成過程。
  7. This study was focused on the occurrence characteristics of the cryptomelane - bearing ores and the mineralogical characteristics of natural cryptomelane. the morphology, chemical and structure features of natural cryptomelane were characterized by means of powder x - ray diffraction, scanning electron microscopy, electron probe microanalyzer, energy dispersive spectrometer and x - ray fluorescence

    利用x -射線粉晶衍射掃描電鏡電子探針電子能譜和x熒光光譜對天然錳鉀礦的形貌特徵化學成分結構特徵進行研究，結果表明天然錳鉀礦晶體形態主要為針狀纖維狀，沿
  8. Medical electrical equipment. characteristics of electro - optical x - ray image intensifiers. part 4 : determination of the image distorsion

    醫療用電氣設備.電光x射線圖象增強儀特性.第4部分:圖象失真的測定
  9. In this paper, the nacre of hyriopsis cumingii ( lea ) which is one of the main freshwater pearl - forming mollusk in china is studied emphatically, as compared with the nacre of three species of saltwater pearl - forming mollusks, pinctada martensii ( dunker ), pinctada maxima ( jameson, and peteria penguin ( roding ). the basic characteristics of nacreous and prismatic layers are understood by powder x - ray diffraction analysis, trace elements analysis, amino acid composition of protein and differential thermal analysis

    本文以我國主要育珠蚌淡水三角帆蚌貝殼珍珠層為重點研究對象，以三種海水育珠貝馬氏珍珠貝、企鵝珍珠貝及大珠母貝貝殼珍珠層為對比研究對象，首先通過粉末x -射線衍射、微量元素分析、蛋白質氨基酸分析及差熱分析對珍珠層及其與之密切共生的稜柱層的基本特徵進行了初步研究。
  10. Characteristics of electro - optical x - ray image intensifiers for medical electrical equipment - determination of the contrast ratio and veiling glare index

    醫用電氣設備.電光x射線圖象增強器的特性.第6部分:對比率和雜光指數測定
  11. Medical electrical equipment - characteristics of electro - optical x - ray image intensifiers - part 6 : determination of the contrast ratio and veiling glare index

    醫用電氣設備.光電x射線影像增強器特性.第6部分:對比度及炫光系數的測定
  12. Medical electrical equipment. characteristics of electro - optical x - ray image intensifiers. part 6 : determination of the contrast ratio and veiling glare index

    醫療用電氣設備.電光x射線圖象增強儀特性.第6部分:對比率和雜光指數的測定
  13. Medical electrical equipment - characteristics of electro - optical x - ray image intensifiers - part 6 : determination of the contrast ratio and veiling glare index iec 61262 - 6 : 1994 ; german version en 61262 - 6 : 1994

    醫療電氣設備.光電x射線圖象增強器特性.第6部分:對比
  14. Potash micatization is one of the main hydrothermal alteration minerals genetically related to the lead - zinc - silver deposit. it usually shows as muscovitization, sericitization and illitization. this paper presents a comprehensive study on the chemical composition of potash mica, adapted the follow methods : electronic probe, differential thermal analysis, x - ray diffraction analysis. at last, the structu ral characteristics and the geological environment of potash mica forming have been discussed

    系統地研究了鉀質白雲母化的礦物組成，採用了電子探針差熱分析x射線分析等技術方法，探討了鉀質白雲母的結構特徵和形成的地質環境及找礦意義。
  15. This demonstrates the feasibility of using grazing emission x - ray fluorescence spectroscopy as a method of studying the thin layer ' s characteristics, such as composition and thickiness etc. with the intimately combining of theoretical, set - up and experimental research, the study on the analysis techniques of grazing emission x - ray fluorescence is developed, and the first set of grazing emission x - ray fluorescence setup is established. at the same time, the angular dependence of the fluorescence intensity with different thickness layer is measured. all the work in this thesis provides the basis for the further researches

    本論文採用理論、裝置和實驗研究密切結合的方式，開展了掠射x射線熒光分析技術研究工作，在國內建立了首臺掠出射x射線熒光光譜分析裝置，並對不同厚度單層和雙層薄膜樣品在掠出射條件下產生的熒光光強與掠射角的對應博士學位論文:掠射x射線熒光分析技術研究關系進行了實驗測定。
  16. The commonly seen gold - carrying minerals in hard - to - leach gold ores - pyrite and arsonpyrite were used in the experiment. through sweep electron microscope ( sem ) and energy dispersive x - ray spectrometer ( edx ), the change law of the shape and appearance characteristics of the gold - carrying minerals under the mechanical activation function of drum grinding and other activation function were studied so as to provide a reliable basis for the study on the mechanism of the effect of mechanical activiation on the intensification of leaching process

    採用難浸金礦常見的載金礦物? ?黃鐵礦和毒砂做試驗，通過掃描電鏡（ sem ）和x射線能譜儀（ edx ）研究了在滾筒磨的機械活化作用和不同的活化條件下載金礦物形貌特徵的變化規律，為弄清機械活化作用強化浸出過程的機理提供了可靠的研究依據。
  17. This paper systematically discussed the fundamental, characteristics, research status and equipment of microwave sintering, and introduced the preparation and development of sintered ndfeb magnets, on the basis of which the effects of the parameters on the heating rate and sintering temperature were investigated. and by means of optical metallurgical analysis, x - ray diffraction analysis and the measurement of density and magnetic properties, the paper compared the properties and technology of ndfeb magnets sintered in microwave magnetic field with that of magnets sintered in conventional heating process

    本文系統論述了微波燒結基本原理、特點、研究現狀和燒結設備，介紹了燒結ndfeb制備工藝和發展，在此基礎上研究了微波磁場燒結ndfeb永磁材料過程中各因素對升溫速率、燒結溫度的影響，並通過金相顯微分析、 x射線衍射分析、密度及磁性能測試等手段，將微波磁場燒結的ndfeb磁體與常規燒結的磁體進行了工藝與性能的對比分析。
  18. Medical electrical equipment - characteristics of digital x - ray imaging devices - determination of the detective quantum efficiency

    醫療電氣設備.數字x光成像設備特性.量子檢測效率的確定
  19. Medical electrical equipment - characteristics of digital x - ray imaging devices - part 1 : determination of the detective quantum efficiency

    醫學電氣設備.數字x光成像設備特性.第1部分:量子檢測效率的確定
  20. In this paper, the definitions of soil macropore and macropore flow, their types, characteristics, generation mechanisms, and experimental methods in laboratory and field were introduced, and the research progress in their determination techniques, including dye tracing, slice up penetration curve, tension infiltration apparatus, x - ray ct scanning, and radar exploration were summarized

    摘要介紹了大孔隙及大孔隙流的定義、多種表現形式及其重要特徵、產生機理和室內外實驗研究概況，以及染色示蹤、切片、穿透曲線、張力入滲儀、 x射線ct掃描攝像和雷達探測等方法的研究進展，揭示這些實驗方法的優點與存在的問題。
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