x-ray transform x 中文意思是什麼

x-ray transform x 解釋
射線變換
  • 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 ...
  • transform : vt （使）變形；（使）變化[轉化，轉變]；變態，改變（性質、機能等），改造，改革；【數學】變換；【電...
  1. Components, structure and surface morphology of the resulted films were identified by fourier transform infrared ( ftir ) spectroscopy, x - ray diffraction ( xrd ) and scanning electronic microscopy ( sem ). the analyses showed the content of cubic boron nitride in the resultant films on substrates was rather high and crystal particles of c - bn with uniform size, smooth crystal plane and regular shapes ( quadrangle and hexagon ) densely arrayed on the substrate

    傅里葉轉換紅外吸收（ ftir ）光譜儀、 x射線衍射（ xrd ）儀和掃描電鏡（ stm ）的測量結果顯示，基底上的bn膜中立方相含量很高，且晶粒大小均勻、排列緻密，晶形呈規則的四角和六角形。
  2. It is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transform of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform

    它所基於的成像原理是：人體的某個剖面在若干個角度上被x射線束照射，照射后x射線的衰減量被檢測器記錄下來，形成投影集合，數學上將這個投影集合描述為該剖面的radon變換，通過反演radon變換就能夠重建剖面的二維圖像。
  3. Computerized tomography ( ct ) is a typical non - invasive examination techniques in medicine, which can depict anatomical structures without damaging the human body. lt is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transfoim of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform

    它所基於的成像原理是：人體的某個剖面在若干個角度上被x射線束照射，照射后x射線的衰減量被檢測器記錄下來，形成投影集合，數學上將這個投影集合描述為該剖面的radon變換，通過反演radon變換就能夠重建剖面的二維圖像。
  4. The analysis starts with a preprocessing function in hand and wrist x - ray - images ; then, these images are unified ; next, epiphyseal / metaphyseal regions of interest ( emrois ) are extracted while doing an independent processing in the wrist region ( k - l transform ), which improves the method raised by mr. lv and gains a better result

    文章提出了一種數字圖像分析方法：首先對採集的手腕部骨圖像進行預處理，進行圖像的歸一化；然後，提取感興趣的骨骺/干骺端區域，並對腕部骨進行獨立處理（ k - l變換） 。
  5. Secondly, the grafted membranes were prepared by grafting 2 - acrylamido - 2 - methyl propane sulfonic acid ( amps ) on pretreated membranes using cetric ammonium nitrate ( can ) as an initiator in the aqueous medium. the surface compositions of the grafted membranes were determined by fourier transform adsorption spectrum ( ftir ) and x - ray photoelectron spectroscopy ( xps ). and the morphology of the grafted membranes was studied by scanning electron microscopy ( sem ) and atomic force microscopy ( afm )

    然後，選用硝酸鈰銨作為引發劑， 2 -丙烯酰胺- 2 -甲基丙磺酸（ amps ）為接枝單體，在水溶液體系中進行接枝共聚反應制備pvdf ? g ? amps中空纖維膜，並利用傅立葉紅外光譜（ ftir ） 、 x光電子能譜（ xps ） 、掃描電子顯微鏡（ sem ）及原子力顯微鏡（ afm ）等檢測手段證實了接枝共聚物的存在。
  6. X - ray photoelectron spectra ( xps ) and fourier transform infrared ( ftir ) have been used to analyze the deposited ps films

    取上層懸液作電泳液，鋁片分別作正、負極， 200v cm電場下電泳20min 。
  7. The results of attenuated total reflectance - fourier transform infrared ( atr - ftir ), x - ray photoelectron spectroscopy ( xps ) and contact angle measurement showed that the amphiphilic copolymer could self - segregate on the hydrophobic pdl - la surface

    利用衰減全反射傅立葉轉換紅外光譜（ atr - ftir ） 、 x -射線光電子能譜（ xps ）分析以及接觸角測定對改性聚乳酸材料表面進行了表徵。
  8. The structure properties of a - sinx : h are characterized and analyzed by using ellipsometry, fourier transform infrared ( ftir ) spectroscopy and x - ray photoelectron spectroscopy ( xps ), all the results suggest that the films with the structure of silicon dots / clusters embedding in silicon nitride matrix can be obtained by controlling the hwp - cvd conditions properly

    利用橢偏儀，傅立葉紅外吸收譜（ ftir ） ， x射線光電子能譜（ xps ）等技術對a - sin _ x ： h的結構特性進行了表徵與分析，結果表明，採用hwp - cvd技術合理控制實驗條件，可得到鑲嵌在sin _ x中的納米si結構薄膜。
  9. Study on the characteristics of soft x - ray fourier transform spectrometer

    射線傅里葉變換光譜儀原理及結構特性研究
  10. X - ray powder diffractometer ( xrd ), forier transform infrared spectroscopy ( ft - ir ) and crystalline parameters were used to determine the structure of the samples, x - ray photoelectron spectra ( xps ) were employed to determine the oxide state of elements in the samples

    X射線粉末衍射儀（ xrd ）和傅立葉變換紅外光譜儀（ ft - ir ）確定了不同摻雜比樣品的結構， x射線光電子能譜（ xps ）確定樣品的價態。
  11. The factors relevant to montmorillonite intercalation and exfoliation were analyzed through x - ray diffraction ( xrd ), thermogravimetry ( tg ), transmission electron microscope ( tem ), scanning electron microscope ( sem ) and fourier transform infraredspectroscopy ( ft - ir ). the morphology, structure and properties for the composites were discussed

    通過x -衍射（ xrd ） 、熱重分析（ tg ） 、透射電子顯微鏡（ tem ） 、掃描電子顯微鏡（ sem ）以及傅立葉變換紅外光譜（ ft - ir ）的表徵結果討論了影響蒙脫土剝離的因素，分析了復合材料的形態結構和性能。
  12. The results of dsc - tg and xrd ( x - ray diffracton ) showed that prepared gels began to transform into the strontium titanates with perobskite - type cubic phase at 600 ? by a heat treatment and the reaction was completed proximately at 800 ?. the grain sizes were smaller than 51. 78nm using scherrer ' s formula

    Dsc - tg和x射線衍射分析的結果表明，在600左右時，開始有立方鈣鈦礦型srtio _ 3生成；反應在800左右基本完成，由scherrer公式計算，粉體的粒徑小於51 . 78nm 。
  13. Laser interaction with target is simulated according to the model and methods given above, the state of laser plasma and x - ray transform coefficient are obtained. the effect of laser intensity and the wavelength on the state of laser plasma and x - ray transform coefficient is also presented

    本文用上述模型和方法進行了大量計算，給出了激光-靶相互作用過程的物理圖像，激光產生的等離子體狀態， x光的轉換效率等，並給出了不同的激光波長和強度對等離子體狀態和x -射線的轉換效率的影響。
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