powder diffraction 中文意思是什麼

powder diffraction 解釋
粉末衍射
  • powder : n 1 粉，粉末。2 （搽臉的）香粉；牙粉；發粉。3 （一服）藥粉；粉劑；散。4 塵土，泥屑；雪糝。5 炸藥...
  • diffraction : 分解
  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. Synthesis and indexes of x - ray powder diffraction data of the complex of thioglycolic acid and trivalent antimonyion

    瑞香素稀土配合物的合成和性質
  3. 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
  4. 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。
  5. Using the x - ray powder diffraction, the electronic probe, etc, the mineral compositions and chemical compositions of the nephrite are analyzed

    利用x射線粉晶衍射、電子探針等測試手段，對軟玉的礦物成分、化學成分進行了研究分析。
  6. After the cu - al mixed powder was milled 96h, the lattice constant of cu ( 111 ) plane became 0. 3653nm, and the diffraction peaks of aluminum have disappeared completely, which showed that aluminum atoms have dissolved in crystal lattice of copper

    當cu - al混合粉末球磨時間大於96h時， cu的（ 111 ）面的點陣常數變為0 . 3653nm ， al的衍射峰已完全消失。通過分析可知，經過96h的球磨， al原子已經完全吲溶於cu的晶格中。
  7. To make cds / k4nb6o17 powder on the base of the k4nb6o17 powder which by the courses of ion exchanging, amine intercalation, sulfuration etc. to obtain cds / k4nb6o17 thin film through the same course of making cds / k4nb6o17 powder on the base of k4nb3o17 thin film on the quartz which made by the spin coating and after heat treatment. to make experiments with additives ( na2so3, 0. 1mol / l ) of photocatalytically decomposing water into h2 and o2 to evaluate the photocatalytic activities of the catalyst knb6o17 powder, cds / k4nb6o17 powder, k4nb6o17 film, cds / k4nb6o17 film. the crystalline structures of the midst powder and film productions were investigated by using the x - ray diffraction ( xrd )

    本課題的主要內容是：高溫固相反應合成具有層狀結構的k _ 4nb _ 6o _ （ 17 ）晶體材料，然後以此為母體材料，通過離子交換、層間胺插入、硫化處理等過程制備出cds / h _ 4nb _ 6o _ （ 17 ）粉末形式的光催化材料；通過旋轉塗覆法在石英玻璃基片上制備了k _ 4nb _ 6o _ （ 17 ）薄膜，採用一定的熱處理制度后對薄膜分別進行離子交換、層間胺插入、硫化處理等處理過程制備了cds / h _ 4nb _ 6o _ （ 17 ）薄膜形式的光催化材料。
  8. The morphologies of powder were observed by using high - resolution transmission electron microscopy ( hrtem ) ; x - ray diffraction ( xrd ) pattern was used to analyze the phases of the powder ; energy dispersive x - ray spectroscopy ( edx ) was used to analyze the component of composite powder

    用高分辨電鏡觀察復合粉體的形貌，進行電子衍射分析；用d / 3ax3b型x射線衍射儀作復合粉體的物相分析；用pv9900型能譜儀作復合粉末的成分分析。
  9. X - ray powder diffraction patterns show that the nickel powder is cubic crystallite. the average particle size of the ultrafine nickel powder is 50nm

    結果表明，控制溶液ph值在9 10之間，選用水合肼為還原劑可得到高純度的納米鎳粉。
  10. Furthermore, in vitro studies including x - ray powder diffraction ( xrd ), scanning electron microscopy ( sem ), surface area analysis ( bet ), and dissolution were performed to determine differences between low potency ( completely miscible ) and high potency ( partially miscible ) compositions

    此外，通過粉末x -射線衍射（ xrd ） ，電子顯微鏡掃描檢查，表面積分析（ bet ）和溶出度等體外實驗來確定低效（完全混合）和高效（部分混合）組分間的差異。
  11. Standard test method for determination of the proportion of phases in portland cement and portland - cement clinker using x - ray powder diffraction analysis

    用x射線粉末衍射分析測定硅酸鹽水泥和硅酸鹽水泥熔渣的階段比例的標準試驗方法
  12. We continued to use the rietveld method of whole pattern fitting of the x - ray powder diffraction data, then found that additive mgo may bring the crystal thinning of al2o3 ceramics, which can improve many properties of ceramic materials. meanwhile, we discussed the operation mechanism of the crystal thinning

    然後對其x射線粉末衍射數據進行rietveld全譜擬合，得知mgo的添加可以細化al _ 2o _ 3陶瓷的晶粒，晶粒的細化可以提高陶瓷材料的許多性能，同時對其細化晶粒的作用機理進行了討論。
  13. By using the method of burning, we fabricated the ceramic powder of al2o3, and discussed the effect of mole percentage of metal ions and urea on forming phases of al2o3. we calculated the x - ray powder diffraction by scherrer formula, and we thought that the ceramic powder reaches nano order

    採用燃燒法制備了al _ 2o _ 3陶瓷粉末，討論了金屬離子和尿素的摩爾比對al _ 2o _ 3成相的影響；對其x射線粉末衍射數據用scherrer公式計算得出所得al _ 2o _ 3陶瓷粉末已達到納米量級。
  14. The structures of their hydrides were characterized by the x - ray powder diffraction ( xrd ) method

    藉助透射電鏡（ tem ） 、 x射線粉末衍射（ xrd ）和bet法對其產物進行了表徵。
  15. X - ray powder diffraction ( xrd ) was adopted in structure and phase analysis to determined the appropriate composition content for the pmn - pt system

    用x射線粉末衍射儀（ xrd ）對合成的材料進行了物相分析，以確定合適的組分點。
  16. The alloy structure has been shown by x - ray powder diffraction. x - ray photoelectron spectroscopic data have confirmed that the nickel and cobalt in the bimetallic nanoclusters is in the zero - valence state and alloy state, respectively

    利用差熱分析、紅外光譜、 x射線粉末衍射和透射電子顯微鏡對反應的氧化過程、結晶過程和產物的結構與形貌進行了表徵。
  17. Based on the experiment and analysis, the optimum conditions for preparation of si02 films have been studied. furthermore, using the inverse designing idea of fgms, fe / mo and mo / sio2 fgms have been successfully prepared. finally, the composition and microstructure of the materials have been measured by x - ray debey powder diffraction ( xrd ), x - ray photoelectron spectroscopy ( xps ), scanning electon microscope ( sem ), step instrument and metallgical microscope

    在系統實驗的基礎上探討sio _ 2薄膜沉積工藝條件及其影響因素，獲取了sio _ 2薄膜的最佳工藝條件；採用功能梯度材料（ fgm ）的逆設計思想，在最佳沉積條件的基礎上成功制備出fe mo和mo sio _ 2功能梯度材料，並以x射線衍射， x射線光電子能譜，電鏡掃描，膜臺階儀，金相顯微鏡等手段對材料進行成分測定和表面形態結構分析。
  18. Calculated mineral composition by chemical composition combined with x - ray powder diffraction analyses showed that the former generally consisted mainly of poorly - crystallized kaolinite and small amounts of illite and quartz, and the later contained well - crystallized predominent kaolinite ( over 95 % )

    含煤建造沉積型高嶺土一般屬鋁高硅低型，鉀含量低，鈦含量明顯偏高，礦物組成簡單，高嶺石含量95 % ，結晶度較好。
  19. The components and strcture of turquoise are studied deliberately through electron probe, x - rays powder diffraction and differential thermal analysis ( dta )

    通過電子探針分析、 x射線粉晶衍射和差熱分析對綠松石的成分和結構作了深入研究。
  20. In use of solid state reaction, we fabricated series of ceramics, of which component were qualitatively analyzed through infrared spectroscopy and x - ray powder diffraction. it turned out that the samples of no. 3 - no. 6 have new phase, mgalzo4

    採用固相反應制備了al _ 2o _ 3 + mgo系列陶瓷，對其組分進行了紅外光譜和x射線粉末衍射的定性分析，得出3 6號樣品中產生了新的相： mgal _ 2o _ 4 。
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