grain of crystal 中文意思是什麼

grain of crystal 解釋
晶體中心
  • 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...
  • of : OF =Old French 古法語。
  • crystal : n 1 結晶,(結)晶體;晶粒;水晶(=rock crystal);石英。2 【無線電】晶體。3 結晶玻璃;雕玻璃;...
  1. Pilsenite is a rare mineral and its information is deficient. the first found pilsenite in china is in gaozhuang, henan province. pilsenite, associated with pyrrhotite, pyrite, hessite, gold, produced in pyrrhotite - polymetallic stage. three bismuth - tellurides produced in gaozhuang are well concordant with the standard pilsenite in composition, and other three are different from any of known bismuth - tellurium minerals. single crystal diffraction were made on a larger mineral grain of pilsenite. au growth and decline together with bi and te in ores and wall - rocks, which suggests that bi and te play a important role in migration and enrichment of au

    經電子探針分析,高莊金礦有多種鉍碲化物,有三粒礦物的成分與標準葉碲鉍礦完全一致。對一較大顆粒的葉碲鉍礦做了單晶x射線衍射分析。 au與bi在礦石和圍巖中的含量呈共消長關系, te與bi可能對au ag的遷移富集起了重要作用。
  2. So re oxides has two form existence, one is concentrate on the matrix equiaxial crystal grain boundary as a micron particles and the other is distributed in matrix crystal dispersively as the nanometer particles compared the electron emission performance of mo - la2o3, mo - ; la2o3 - y2o3 and mo - la2c > 3 - sc2o3 cathode, the mo - la2o3 - sc2c > 3 cathode show excellent electron emission character

    上述研究表明不論是在稀土?鉬陰極還是在稀土?鎢電極中,稀土氧化物的存在形式有兩種,一種是微米級的顆粒偏聚于晶界處,另外一種是彌散分佈於基體晶粒的納米小顆粒。
  3. The effects of the fabrication conditions on the crystal structure, grain size, micromorphology and electrochemical performance of these materials have been studied in depth. the reaction mechanism of the low - heating solid - state reaction method has also been investigated. in addition, a novel electrochemical method ( rpg method ) based on the concept of " ratio of potentio - galvano - charge capacity " has been for the first time developed to determine the diffusion coefficient of lithium - ion within insertion - host materials on the basis of the spherical diffusion model

    本論文較系統地考察了低熱固相反應法合成鋰離子電池正極材料的可行性問題,研究了工藝條件對材料的晶體結構、晶粒尺寸、微觀形貌及電化學性能等的影響,探討了低熱固相反應的機理,並通過引進「恆壓-恆流充電容量比」的概念,給出了一種測定鋰離子嵌入脫出固相擴散系數的新方法。
  4. 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。
  5. Results of experiment show that the reason of strength decreasing of gypsum added with retarders is that the retarders reduce the supersaturation of liquid phase, and makes the crystal grain largen, and pore is followed to worsen, which lead to the strength drop to a large degree

    實驗結果分析表明:在摻加緩凝劑后石膏硬化體強度下降的原因在於緩凝劑降低了石膏的液相過飽和度,使結晶顆粒變大,使石膏的孔結構惡化,最終導致了宏觀強度大幅度下降。
  6. Above explanation fecu granular film nanometer not dissolve firmly for receiving the metre structure of crystal grain metal magnetic granular film

    以上說明fecu顆粒膜為納米晶粒結構非固溶的金屬磁性顆粒膜。
  7. Geological material, no matter soil or rocks, has the characteristic, such as crystal grain structures, pores or micro - cracks etc., on micro - scale and usually contains fluid or gas in pores and micro - cracks. so the problems about geological material are really the problem of the interaction between the fluid, solid and gas

    地質材料,不論是土還是巖石,在微觀結構上都具有晶粒結構、孔隙、微裂紋等特徵,並且在孔隙或微裂紋中還往往含有流體或氣體,因此地質材料的力學問題往往是液體、固體以及氣體間相互作用的問題。
  8. The phase structure, the lattice constant, crystal grain diameter of the samples was obtained by the x - ray diffractions ( xrd ) spectra. their relations are showed respectively. influence of grain size on the lattice constant of several kind of phase structure was studied theoretically by interaction energy between atoms in nanocrystallites

    其次,從結合能的角度出發,研究了nacl結構和cscl結構的離子晶體,面心立方( fcc ) 、體心立方( bcc )金屬晶體以及簡立方( scc ) 、面心立方( fcc ) 、體心立方( bcc )結構分子晶體的晶粒線度對晶格常數的影響。
  9. In the research on the physical and chemical properties of chromium, afm was first used to explore the effect of technological conduction to the topography of coating deposited, the size of crystal grain and the regularity of the growth of crystal grain

    在對鍍鉻層理化性能研究方面,論文採用afm首次觀察到電鍍工藝條件與鍍層形貌、晶粒尺寸、晶粒生長規律之間的關系。
  10. The crystal grain boundary of v2o5 films was melted and disappeared as increasing the deposition temperature, and the crystalline v2o5 films can be obtained by deposition at > 300. these films showed excellent cathode and anodic electrochromic performance at different wavelength region

    而襯底溫度升高促進薄膜晶體顆粒長大、熔結,晶粒邊界消失,在較高襯底溫度( 300 400 ) ,得到連續的結晶性能良好的v _ 2o _ 5薄膜。
  11. The effect of heating technique on the size of austenite crystal grain and the solid solution of ti nb

    固溶及奧氏體晶粒長大的影響
  12. And pbo single crystal nanowire was successfully prepared with new method. the results show that the amorphous matrix of the powders almost completely transforms into crystalline perovskite phase after 600 calcinations. the mean grain size in pt / tb powder is about 23nm that is smaller than that of pt powders

    鈣鈦礦相的晶軸比c / a比未摻tb的pt粉末低,具有贗立方結構的特性,降低了從立方相向這種四方相轉化的勢壘,從而有效地抑制了較高溫下焦綠石相的產生。
  13. Tem was used to consecutively investigate the size and appearance of dibasic lead phosphite in the reaction process. it found that nanocrystal grain of lead oxide phosphite hydrate had favorite direction in the mlps method, many nanocrystal grain in near area would aggregate and assembled as nanowire, the diameter of the nanowire was about a crystal grain size and the length of nanowire could reach hundreds of nanometers, then they would gather to needle or bar like particles

    利用tem對二鹽基亞磷酸鉛在反應過程中粒子的大小、形貌進行跟蹤觀察,並記錄下三個時間下的微粒照片,發現用微液相合成法制備的二鹽基亞磷酸鉛晶粒在生長團聚時存在取向規律,同一區域的晶粒會長成一條納米線,直徑有一個晶粒的大小,長度可以達到幾百nm 。
  14. 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。
  15. With the combination of xrf and xrd, we studied the rule of component, structure, crystal grain feature of chromium deposited coating. the law of trivalent chromium electrodepositing were extracted and contrasted with that of hexavalent chromium, laying a foundation stone for the deeper research on the process of trivalent chromium electrodeposition and it ' s industrialization

    並結合xrf 、 xrd等研究手段,對不同工藝條件下所得鍍層的成份、結構、品粒特徵規律進行研究,提出了三價鉻鍍鉻的電鍍機理,為深入研究三價鉻鍍鉻工藝及工業化應用奠定了基礎。
  16. Sapphire from shandon and hainan commonly have the reaction border, we found out this reaction border enriched with fe, mg, and k by testing its components ; we also studied the inclusion in the sapphire, and found many kc1 crystal grain with variety of size, a melt inclusion enriched with k, si, is also found, this may suggest an assimilationary - magmatic course ; besides that, another minerl inclusions such as enstenite, magnetite, chromite, zircon are also found

    3 、觀察到了山東、海南藍寶石普遍存在的反應邊,並測試了反應邊的成分,證實其以富fe , mg ,和k為特徵;研究了藍寶石裏面的包體,發現藍寶石裏面存在著大小不等的kcl的結晶顆粒,還發現了富k富si的熔漿包裹體,說明其形成過程中有同化混染的貢獻;此外還發現了斜方輝石,磁鐵礦,鉻鐵礦,鋯石的包體礦物。
  17. Computer simulation of crystal grain growth

    計算機模擬晶粒的正常生長過程
  18. Edible crystal grain of himalayan rock salt. we are the manufacturer and exporters of himalayan mineral rock salt products, if you are interested to buy these products kindly contact us

    水晶糧可食喜馬拉雅巖鹽.我們是製造商和出口商喜馬拉雅巖石礦物鹽產品如果你有興趣購買這些產品的接洽
  19. Effect of crystal grain size on corrosion resistance of weathering steels in atmosphere

    晶粒尺寸對耐候鋼抗大氣腐蝕性能的影響
  20. The results show that the tensile strength can be enhanced, the melting point has moved to higher temperature, and the dimension of crystal grain has decreased which improve the perfection of crystal, but there is no obvious change in crystal shape

    結果表明,施加振動后,拉伸強度提高,熔點向高溫漂移,晶粒尺寸變小,完善程度提高,但晶型未發生明顯的改變。
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