粉末譜 的英文怎麼說
中文拼音 [fěnmòpǔ]
粉末譜
英文
powder pattern-
Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )
本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。Test method for spectrographic analysis of thermionic nickel alloys by the powder technique
用粉末技術做熱離子鎳合金光譜分析的試驗方法Determination of lithium, sodium, potassium and cesium in uranium dioxide dioxide powders and pellets by atomic absorption spectrophotometry flame emission spectrophotometry
二氧化鈾粉末和芯塊中鋰鈉鉀銫的測定原子吸收分光光度法火焰發射光譜法According to the demands of neutron scattering instruments to be built at china advanced research reactor ( carr ), the designs of several new instruments, i. e. two cold neutron guides ( cng ), one neutron stress diffractometer and one high resolution neutron powder diffactometer ( hrpd ), have been simulated and optimized using monte - carlo simulation softwares, mcstas and vitess, first. requirement on the size of the cold neutron source ( cns ) by cngs has been also studied. the results of this thesis have provided essential data as a basis of the neutron instruments designs
本論文結合當前中國先進研究堆（ chinaadvancedresearchreactor ， carr ）中子散射工程譜儀建設的迫切需要，選擇國際上廣泛使用的通用中子散射譜儀模擬軟體mcstas和vitess作為模擬研究工具，首次對若干臺新建譜儀的設計方案進行了全面的模擬和優化研究，包括兩條冷中子導管、中子應力衍射儀和高分辨中子粉末衍射儀，並配合冷源設計研究了導管對冷源尺寸的要求。The influence of y _ 2o _ 2s : eu phosphors fluorescent spectra, chroma and luminescence intensity is systematically studied when different concentration of europium is adulterated into different phosphors by means of xrd, fluorescent spectra analysis, time - basing spectra analysis, long - persistent fluorescent spectra analysis and so on ; the influence on y2c > 2s : eu phosphors structure, luminescence intensity and long - persistent curve is investigated when different concentration of mg24 " > ti4 " 1 " is adulterated into different phosphors, finding the most suited concentration of mg2 " * ti4 " 1 " ; base on the suited concentration of mg2 + > ti4 +, the influence rule on phosphors luminescence intensity and long - persistent curve with changing of eu + concentration is also studies. at the same time, by using rare - earths metals adulteration and theory of chroma synthesis, the possibility of sensitized buildup of phosphors and the synthesis of different color long - persistent phosphors is also researched
應用x射線粉末衍射（ xrd ） 、熒光光譜、時間分辨光譜及磷光體長余輝壽命測試等綜合實驗手段，較系統地研究了摻雜eu對熒光體y2o2s ： eu熒光體的發光光譜、色度和發光強度的影響；研究了不同mg ， ti含量對磷光體基質結構性能、發光強度與余輝曲線的影響及其適宜的摻雜濃度；基此，研究了在給定mg ， ti含量時，不同eu摻量對磷光體發光強度和余輝的影響規律；從稀土摻雜和色度合成原理分別探討了eu的發光敏化增強和制備不同光色長余輝磷光體的可能性。In the third section, i. e. chapter five, the normal raman spectra of nil2, cul2, pdl2 powder are studied under the excitation of laser with the wavelength of 632. 8nm and aqueous silver colloid is prepared by pulsed laser ablation, from which the surface enhanced raman spectra of the three compounds are obtained. after preliminary assignment, the identical and different features of vibration of the compounds due to the different central metal atoms are analyzed
第三部分，即論文的第五章，我們以632 . 8nln為激發波長研究了nilz 、 culz和pdl :三種新型金屬有機化合物粉末的正常拉曼光譜，並且以脈沖激光刻蝕法制備了水銀膠，以其為襯底研究了三種化合物溶液在其上的表面增強拉曼光譜，通過對其拉曼光譜進行了初步指認，了解由於中心原子的不同，三種金屬有機化合物分子振動的相同和區別。In this paper, presentation is given of psc being prepared by solid sintering process as employed in powder metallurgy and ceramics industry and measurements are made of its pl and electrical resistivity
本文採用粉末冶金和陶瓷工業中常用的固相燒結方法制備psc ，並測試了其光致發光譜（ pl ）和電阻率。M ssbauer spectroscopy analysis of fe - cr - c alloy powders
碳合金粉末的穆斯堡爾譜分析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。Using scanning electron microscopy, x - ray powder diffractometer, isis energy - dispersive spectroscopy and leica guantitative optical microscopy, the microstructure, composition profiles of cdmnznte ingots were analyzed, a and 3 phases are formed at the tip
採用掃描電鏡、 x射線粉末衍射儀、 isis能譜儀和leica定量金相分析儀研究了cdmninte晶錠中相的結構，形貌和組分分佈。From the mossbauer spectra, it can be found that the reduction of grain size can make the spectra line more widen and the decrease of hyperfine field distribution ( hfd )
對穆譜研究發現，粉末晶粒減小導致穆譜峰形寬化，內磁場分佈（ hfd ）減小。Horizontal road marking. markings applied on the roads. analysis of mineral powder extracted from white marking products by atomic absorption spectrometry
路面水平標記.馬路標記.用原子吸收光譜法分析從白色塗料產品中提取的粉末材料Powder x - ray diffraction analysis and micro - raman spectra were used to study the mineral composition of chinese freshwater cultured pearls from zhuji, zhejiang province
摘要採用粉末x射線衍射分析及顯微激光拉曼光譜對三角帆蚌養殖珍珠的礦物組成進行了研究。The xrd dates were refined by rietveld method of whole pattern fitting by using the computer progress of dbws - 9411, and then the exact crystal structures were got
用計算機程序dbws - 9411 ，對yag的粉末衍射數據進行了rietveld全譜圖擬合，得到了準確的物相結構。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。In this paper, micrometer and nanometer sic powder were respectively sintered as employed in powder metallurgy, nanometer porous sic was successfully prepared with its microstructure analyzed and its photoluminescence tested
本文分別以微米和納米碳化硅粉末為原料，採用粉末冶金的燒結工藝，成功的制備了納米多孔碳化硅，並分析了多孔碳化硅的結構，同時測試了其光致發光譜。The hrpd, wich is designed for the study of crystal structure and magnetic structure of materials, was simulated and optimized
對高分辨粉末衍射譜儀的設計方案進行了模擬和優化研究，該譜儀主要用於材料的晶體結構和磁結構研究。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。The tribological characteristics of ultrafine ws2 powders added in engine oil have been investigated by four - ball machine test, and compared with chloroparaffins ( t302 ) and molybdenum disulphide ( mos2 ), and meanwhile we have analyzed the tribochemical species of the worn surface by means of x - ray photoelectron spectroscope ( xps ), to research the lubricating mechanism of ws2
摘要採用四球摩擦實驗機對二硫化鎢超細粉末在發動機油中的摩擦學性能進行了研究，並與添加劑氯化石蠟和二硫化鉬進行了比較，同時用x射線光電子能譜儀對磨痕表面元素進行分析，以探討二硫化鎢的潤滑機理。The diffraction patterns of singled produced is very agree with the standard graph of cdgeas2. absorption spectra measured between 2. 3 to 18 m, the absorption coefficient was low for use
生長出的單晶粉末做xrd衍射分析檢測，發現其x -射線衍射圖與標準圖譜相一致。分享友人