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x-ray analysis造句

"x-ray analysis"是什麼意思  
造句與例句手機版
  • The result of x - ray analysis indicated that the plate was made of metal silver
    X射線衍射分析表明復合粉體表面鍍覆了一層金屬銀。
  • X - ray analysis , x
    射線分析法
  • X - ray analysis
    X線分析裝置
  • Of 33k grows at 200 , annealed at 670 , 720 for 5min , x - ray analysis shows that it has
    在退火溫度為670 720時,得到了最高的臨界轉變溫度
  • X - ray analysis
    X光分析
  • Energy dispersive x - ray analysis in studying the permeability of blood - brain barrier caused by lead in rats
    采用能譜法研究鉛對大鼠血腦屏障的通透性
  • Abstract : a wear - resistant electrode used in high stress state is studied . by adjusting electrode ' s component , we find a alloy system which is suitable to shredders with hammer . microstructure and x - ray analyses indicate that the hardfacing microstructure consist of martensite , retained austenite and carbonide
    文摘:研制了一種適用于高沖擊條件下抗磨堆焊焊條,通過反復調整焊條藥皮組成,找到了可應用于錘式破碎機錘頭堆焊的合金系。
  • Worn surfaces of sliding pairs were characterized by scanning electron microscopy ( sem ) . chemical compositons on the worn surfaces were analyzed by energy dispersion x - ray analysis ( edax ) , and profiles and suface roughness of the worn surfaces were measured by stylus profilmetry
    用掃描電子顯微鏡( sem )對磨痕表面形貌進行了分析,用能量色散x射線分析( edax )對磨痕表面進行化學成分分析,并用表面輪廓儀測定了磨痕表面粗糙度和磨痕表面輪廓曲線。
  • By x - ray analysis of the obtained samples the degree of the reaction was researched when the time of ball milling changed . at last the regularity of the metallurgical structure of tial alloy was investigated , when the high temperature changed . the following aspects were accomplished after hot hydrostatic extrusion
    熱靜液擠壓工藝:擠壓后,坯料致密度有了較大的提高;分析了球磨時間跟擠壓力的關系;對ti - al基合金室溫斷裂方式及斷口形貌進行了一定的研究。
  • The observation by hrtem indicated that the size of particles coated with ultrasonic radiation at room temperature in alkaline formaldehyde bath was about 50 ~ 60nm . the originally granular form of the nano - al2o3 particles has changed into spheral - like shape . the x - ray analysis showed that the plate was the alloy of co - p
    對鍍覆后鍍液成分的分析表明,反應自發停止的原因是主要由于鍍液ph值過低,不能提供反應所需要的足夠oh ~ - ,同時也使甲醛還原能力下降所致。
  • 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,采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,并利用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。
  • During the experiment of protein crystal growth in space carried by chinese re - entry capsule fsw - 2 , the crystals of barheaded goose hemoglobin suitable for x - ray analysis were obtained both in space and earth as contrast group . the diffraction data of both crystals were collected , and the structures were solved using molecule replacement methods . the comparison of structures in space and earth indicate that , the interactions among molecules in crystal and subunits of molecule in space is weakened relative to the crystal on earth , there is a contact in the
    在1994年我國返回式衛星fsw - 2上進行的空間蛋白質晶體生長實驗中,獲得了適合于x射線分析的空間實驗組和地面對照組的斑頭雁血紅蛋白晶體,并收集了x射線衍射數據。應用分子置換法解析了結構,并進行了比較研究。結果顯示空間晶體的分子間和分子中亞基間的相互作用趨于減弱,在
  • By analyzing the microstructure of as - cast alloys with different surplus of samarium added , the optimum surplus of samarium is decided . by comparing the microstructure of the alloys annealed for different time , the ideal and economical annealing time is confirmed . the microstructure and phase composition of alloys during the whole preparation of sm2fe17nx are analyzed using the scanning electron micrograph with energy - dispersive x - ray analysis and x - ray diffraction patterns
    本論文首先就熔煉工藝參數對鑄態組織微結構的影響進行了探討,并制定出一套較為合適的熔煉工藝;通過對不同釤加入量的鑄態組織微觀結構的觀察分析,確定了原料配置過程中釤的最佳補償量;通過對采用不同退火時間的合金組織進行比較,確定了理想、經濟的退火時間;同時還利用掃描電子顯微圖像和x射線衍射圖譜,比較了整個制備過程中,試樣微結構和相組成的變化情況。
  • Linker molecules , the polymerization of 3 - [ 2 , 5 , 8 , 11 - tetraoxa - tridecyl - 13 - ol ] - pyrrole were designed and synthesized according to the requirement of the electropolymerization . the electropolymerization of 3 - pyrrole derivative with alkaline medium at platinum disk electrode have been studied by cyclic voltammetry and chronoamprometry . the polypyrrole membrane was characterized with scanning electro microscopy ( sem ) , energy dispersive x - ray analysis ( edx )
    本論文首先在循環伏安、恒電位法電聚合的基礎上篩選出了適合于作為固定dna的載體3 -吡咯甲基-四聚乙二醇單醚,探索了在堿性條件下將其聚合到鉑盤電極上的實驗方法和條件,并利用掃描電子顯微鏡( sem ) 、 x -射線能量散射譜( edx )等實驗技術對聚合膜的表面形貌和元素組成進行了表征。
  • Current researches , applications , preparation and structure of si3n4 are summarized in this paper . a new conclusion is drawn that silicon wafer can react with nitrogen at the temperature higher than 1100 and in super - pure nitrogen by direct - nitridation of silicon at the temperature from 800 to 1200 . the prepared silicon nitride samples are tested by xps ( x - ray photoelectron spectroscopy ) , sem ( scanning electron microscopy ) , optical microscopy , xrd ( x - ray diffraction ) and edx ( energy dispersive x - ray analysis )
    通過硅片在800到1200各個溫度和各種氮氣氣氛下的氮化處理的實驗結果,報道了不同與其他研究者的氮化條件,硅片在氮氣保護的熱處理中的氮化條件為:高于1100的溫度和高純氮的氣氛條件,同時對該氮化硅薄膜進行了金相顯微鏡、掃描電鏡( sem ) 、 x射線衍射儀( xrd ) 、 x射線光電子譜( xps ) 、 x射線能譜儀( edx )和抗氧化性等測試和分析。
  • In the present work , the chemical distributing , the microstructure characteristics and the fractorgraphy analysis of metal / metal fgm are studied systematically by using electron probe microstructure analysis ( epma ) , scanning electron microscopy ( sem ) and energy dispersive x - ray analysis ( eds ) . as a result , some ideas about the fabrication are put forward
    然后分別應用電子探針( epma ) 、掃描電子顯微鏡( sem )和x射線能譜儀( eds )對共沉降法制備的w - mo系和w - mo - ti系梯度功能材料的化學成分分布、顯微組織和斷口形貌特征等進行了較詳細的研究。
  • The phase structure of different cu - fe thin films were studied by using grazing incidence x - ray analysis ( gixa ) . the texture and residual stress of different cu - fe thin films were measured by scan of x - ray diffraction ( xrd ) and 2 scan with different . the thicknesses of different thin films were characterized by means of small angle x - ray scattering ( saxs ) technique . by using atomic force microscope ( afm ) measured surface roughness of thin films . the component of different thin film was characterized by energy disperse spectrum ( eds ) and x - ray fluorescence ( xrf ) . the magnetic properties of cu - fe thin films were measured by means of vibrating sample magnetometer ( vsm ) . in addition , the giant magnetoresistance ( gmr ) effects of different films were also measured . the original resistance of the film fabricated by a direction - current magnetron sputtering system is directly affected by bias voltage
    利用掠入射x射線分析( gixa )技術對不同cu - fe薄膜的相結構進行了研究;利用xrd掃描及不同角度的2掃描對薄膜進行了結晶織構及殘余應力分析;運用小角x射線散射( saxs )技術測量了薄膜的厚度;采用原子力顯微鏡( afm )觀察了薄膜的表面形貌;運用能量損失譜( eds )及x射線熒光光譜( xrf )對薄膜進行了成分標定;使用振動樣品磁強計測量了不同cu - fe過飽和固溶體薄膜的磁性能;最后利用自制的磁阻性能測試設備測量了真空磁場熱處理前后不同薄膜的巨磁阻值。
  • When the bath load was increased , the plating rate was shortened . the effects of bath composition and plating conditions on the composition were also investigated . the x - ray analysis showed that edta and the stabilization agent can effectively increase the content of the copper oxidation in the composite powders
    粉體x ray分析的結果表明,絡合劑對防止鍍液中的氫氧化銅的產生起來關鍵作用,而氫氧化鋼是產生氧化亞銅的直接原因,因而選用edta作為絡合劑,以及合適的量,可以減少二射線中的氧化亞銅的饅頭峰。
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