grain morphology 中文意思是什麼

grain morphology 解釋
顆粒形態
  • grain : n 1 穀物,糧食〈英國叫 corn〉; 谷類植物。2 穀粒,籽粒。3 (沙、金、鹽等的)粒,顆粒,晶粒。4 些微...
  • morphology : n. 【生、地】形態學;【語法】詞法;詞態學;【生物學】組織,形態。n. -gist 形態學家。
  1. The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper

    本文研究了用igc (惰性氣體蒸發凝聚原位溫壓法)制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅(冷軋紫銅、電解銅)在酸性硫酸銅溶液和中性含氯溶液中,在自腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法( cv )和電化學阻抗譜( eis )等方法。 x -射線衍射( xrd )的方法用來估算納米晶銅晶粒尺寸。
  2. In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size

    本文根據粒度圖像的特點,採用非線性對比度增強處理改善顆粒顯微圖像的對比度;對多種閾值分割方法進行比較,分析了它們的性能和用於粒度圖像的適用性,在此基礎上提出了一種基於梯度圖像的動態閾值分割方法;對獲取的顆粒二值圖像進行形態濾波和空洞填充,設計了識別演算法去除凝聚體;對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法;提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數,對珍珠粉等粉體粒度進行了測量。
  3. The properties of thin films have been investigated with modern analysis technique, such as afm ( atom force microscopy ), sem ( scanning electron microscope ), xrd ( x - ray diffraction ) and rocking curve ( - scan ). and the properties of ybco thin film and its substrate and deposition temperature have been analysed, comparing with lao substrate ' s crystallization quality, ybco thin film properties, such as morphology and degree of grain alignment, was concluded to correlate with the crystal orientation uniform of lao substrate as revealed by xrd

    本文結合afm 、 sem研究ybco薄膜的表面形貌, xrd 、 fwhm分析薄膜的結晶情況,並結合成膜溫度和基片的質量進行一系列結構與性能的對比研究,發現laalo3 ( lao )基片的質量對ybco薄膜的結構完整性有很大影響,不僅影響了薄膜的c軸取向性,而且影響了ybco的超導性能。
  4. The surface structure and crystalline grain morphology of c60 film have been determined by sem and afm

    ) ,具有明顯的{ 111 }擇優取向,無其它相和非晶態物質存在。
  5. Characteristics of concrete sawing process, including chip morphology, sawing surface and sawing force were discussed through the experiments of diamond single grain drawing, single diamond segment sawing and diamond sawblade sawing

    摘要通過金剛石單顆粒劃傷、金剛石單個節塊鋸切和金剛石鋸片鋸切系列試驗,對混凝土鋸切加工過程中的切屑形態和切削區表面形貌,以及切削力等基本特徵進行了詳細討論。
  6. Determined by dsc. whereafter, the surface micro - morphology of both sides of tini sma thin film deposited on glass was investigated by atomic force microscope ( afm ), and the difference of morphology between the two sides is observed. it has been shown that, in the growing surface of sputtered tini film, the trend of grain to accumulating along the normal direction like a column is clearly observed, and the grain is very loose which resulted in more microcavities, but in the surface facing to glass substrate, grain is so compact that there are hardly microcavities

    通過濺射法,在玻璃襯底上淀積了tini薄膜,並在600進行了真空退火, dsc法測得其馬氏體逆相變峰值溫度為75 ,利用原子力顯微鏡,對玻璃基tini形狀記憶合金薄膜的襯底面與生長面進行了表面微觀形貌分析,發現:生長面晶粒呈現出沿薄膜法線方向柱狀堆積的趨勢,晶粒緻密性差,微孔洞多;而襯底面晶粒緻密,幾乎沒有微孔洞存在。
  7. Fine ni3al powders with an average grain size of 6. 1 m were firstly prepared by shs method and mechanical grinding for 36ks with the ratio of ball to powder at 3. 5. the effects of grinding condition and heat treatment technique on the morphology, microstructure and composition as well as crystal structure of the prepared ni3al powders were discussed

    首先採用機械粉碎法在36ks的粉碎時間和球料比為3 . 5的工藝條件下獲得了平均粒度為6 . 1 m左右的ni _ 3al微粉,重點討論了粉碎條件及熱處理工藝對ni _ 3al微粉的形貌、微觀結構、物相組成和晶體結構等的影響。
  8. Observation on the variation of surface morphology during the etching process indicates that the grain boundary and te precipitates will be shown earlier than the dislocations

    本文研究了晶片的腐蝕過程,觀察隨腐蝕程度的逐漸加深,晶片表面缺陷蝕坑形貌的變化。
  9. And this had brought progress to series of academic subjects such as morphology, cytology, physiology, biochemistry, heredity, breeding, agriculture, forestry, horticulture, medicine and pharmacology etc. the technique has already been used all over the world for the propagation of valuable flowers and plants, fruit trees, vegetables, oil plants, grain crops, as well as the propagation of valuable chinese medicinal herbs, some of which have been industrialized

    植物非試管高效快繁技術與植物組培試管快繁和傳統育苗技術相比的先進性,及其在技術生產運用中的特點為: 1 、用植物3毫米- - 1厘米長的微型繁殖單位材料(包括一葉一芽) ,直接接種在大田沙床或營養袋中,一次成苗直至供應生產,不需任何移動,育苗成活率極高。
  10. The distribution or the morphology of grain boundaries, dislocations and precipitates in crystalline silicon were observed by scanning infrared microscopy ( sirm ), and much useful information was obtained

    通過紅外掃描儀觀察晶體矽中的晶界、位錯和不同金屬沉澱的分佈和形貌,並分析其相關信息。
  11. The lead zirconate titanate ( pzt ) / polymer composite presented large tan5 and dynamic modulus when the composites were exposed to higher polarization voltage and longer polarization time, because of the uniform dispersion of ceramic in polymer matrix and the strong interaction between grain and polymer. the morphology of the composites, namely the degree of the grains dispersion in polymer, can be observed through scanning electric microscope ( sem )

    顆粒結構性高的壓電陶瓷,其復合體系內耗大;在高極化電壓、長極化時間下,壓電陶瓷顆粒在聚合物中分散比較均勻,與聚合物接觸面大,相互間作用強;在外力作用時,體系tanb 、 g , , g ?呈現大的值。
  12. The grain - pests image is smoothed by the gray morphology, enhanced by the adaptive method, segmented by the optimization thresholding offered by the histogram gauss method and the relative entropy method

    糧蟲圖像增強與分割運用灰度形態學圖像平滑和自適應圖像增強對糧蟲灰度圖像進行增強處理。
  13. The evolution on particle morphology, microstructure, grain size and microstrain of the mixture of ti and al elemental powders during mm has been investigated. it was found that the nanocrystalline composite powders with extremely fine ti / al alternative lamellar structure ( lamella spacing about 0. 1 ~ 0. 5 m ) could be prepared by mm using proper processing parameters

    研究了ti 、 al單質元素混合粉在機械球磨過程中的顆粒形貌特徵、組織結構、晶粒尺寸以及微觀應變的變化規律,表明在適當的球磨工藝條件下可獲得具有極細層片間距( 0 . 1 ~ 0 . 5 m )的納米晶ti / al機械復合粉。
  14. Sem and afm studies show that surface of the c60 film is very flat, arrangement of crystalline grain is even, morphology of c60 crystal is sharp

    C _ ( 60 )薄膜的sem和afm觀測表明樣品表面光滑,且呈現出形態完整、分佈均勻的晶粒。
  15. The annealing also changes the grain morphology. the p grains from the amorphous layer are finer than in the other cases. silicide grains grow towards the substrate at high annealing temperature and finally shrink into isolated islands, thus deteriorating the silicide / si interface smoothness

    由於非晶的形成,使得退火后晶粒要經重新形核和長大的過程,所以在同樣的退火條件下,與未形成非晶的樣品比,硅化物顆粒要小。
  16. Some factors influencing the grain growth were studied in detail using mc technique. the mc simulation of grain growth can provide not only grain growth kinetics but also detailed information on temporal grain morphology evolution. furthermore, mc technique can easily simulate the " thermal pin " phenomenal caused by steep temperature gradient near the weld interface

    採用mc模擬技術,不僅能夠模擬焊接haz奧氏體晶粒長大的動力學過程,而且能夠逼真地模擬奧氏體晶粒微觀形貌的變化,更重要的是它可以很好地模擬焊接haz存在的陡峭的溫度梯度對奧氏體晶粒長大的影響。
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