粉末結構 的英文怎麼說

中文拼音 [fěnmòjiēgòu]
粉末結構 英文
mealy structure
  • 粉 : Ⅰ名詞1 （粉末） powder 2 （用澱粉製成的粉條或粉絲） noodles or vermicelli made from bean potato o...
  • 末 : Ⅰ名詞1 （東西的梢;盡頭） tip; terminal; end 2 （非根本、非重要的事物） nonessentials; minor detai...
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 粉末 : powder; flour; stive; smalls
  • 結構 : 1 （各組成部分的搭配形式） structure; composition; construction; formation; constitution; fabric;...
  1. The structure evolution and reaction mechanism of silicon - iron composite powders treated at the temperature ranging from 700 c to 1200 c respectively were carefully investigated through xrd, sem, epma, dsc. it was found that the chemical formula, fe + si - fe ( si ) + fe3si ( si ), controls the reaction process, and the reaction mechanism of powder homogenization was clarified

    通過利用xrd ， sem ， epma ， dsc等多種測試手段，詳細研究了鐵硅復合粉末帶材在700 1200的熱處理溫度條件下的反應狀況及結構變化，明確了反應過程中的化學方程式： fe + si fe （ si ） + fe _ 3si （ si ） ，並解釋了各個熱處理溫度范圍內，鐵硅粉末均一化的反應機理。
  2. This twin screw extruder has the feature of one - side circumgyrate ， it ' s an ideal equipment for the small - scale factory who produce powder

    該擠出機是同向高速旋轉雙螺桿結構，是用於多種組份物料經一定的溫度在熱狀態下達到最佳的理想效果，適應小型企業生產粉末的理想設備。
  3. There are many methods to investigate domains, such as polarization microscopy, scanning electron microscopy, transmission electron microscopy, scanning electron acoustic microscopy and so on. however, these methods suffer from some serious disadvantages involving complex sample preparation, damage to sample, low resolution

    現有的鐵電疇檢測手段，如偏光顯微鏡、粉末花樣技術、掃描電鏡、透射電鏡、掃描電子聲顯微鏡等存在這樣或那樣的缺點：諸如制樣繁瑣、易破壞原始疇結構、或疇結構成像解析度還不夠高等。
  4. The disperse degree of the ceramic can greatly affect uniformity of the composite, which limit the poling voltage and affect the piezoelectricity. in this paper, the relationships among constitutes, microstructures, dielectric and piezoelectric properties were calculated by employing the banno unit cell mode ; pzt ceramic were synthesized by the hydrothermal method and the appropriate solution was selected according the adsorption of pvdf on the ceramic particle surface ; then, relationships between the disperse degree and the fabrication process were studied. base on these, the pzt / pvdf composites intermingled some pan were prepared and the microstructures were investigated

    論文首先利用bannounitcell模型，計算了pzt pvdf壓電復合材料的組成、結構、與其壓電和介電等性能之間的關系；針對壓電復合材料存在的均勻分散性差的缺點，選用水熱法制備的粒度均勻的pzt陶瓷粉末，並採用溶液混和法與聚合物pvdf進行分散復合，重點研究了不同工藝條件下陶瓷的均勻分散性及其與材料微觀結構之間的關系。
  5. The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment

    本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手，得到了電壓取決于基體中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的擴散系數及減小粉末粒度的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。
  6. Were conducted. the results show that all the 4 species of pine leaves have a specific transportation tissue. these 4 species are different from each other by their morphological and histological characteristics

    對馬尾松、雲南松、華山松、油松的原植物形態、藥材性狀、顯微構造、粉末特徵進行了對比研究，發現四種松葉在組織結構上均具有一種特殊組織? ?轉輸組織。
  7. In this paper, nanosized al2o3 ceramic particles were chose as reinforcing phase. enhanced with ultrasonic wave the particles were covered with copper using method by electroless plating, the copper - matrix composite was developed by hot - press sintering process of the composite powder. the composition, microstructure, hardness, density and dry sliding wear property of the new material have been studied

    研究路線為：選用納米級al _ 2o _ 3陶瓷顆粒作為增強相，在超聲波的環境中用化學鍍的方法完成對納米al _ 2o _ 3陶瓷顆粒表面的金屬銅包覆，採用熱壓燒結成型技術以復合粉末為原料制備成納米al _ 2o _ 3陶瓷顆粒增強銅基復合材料，研究分析復合材料的成分、組織結構、硬度以及緻密度，對試樣進行了干滑動摩擦磨損實驗。
  8. The morphology of some specimens were analyzed by scanning electron microscopy. we have also studied the thermal stability of alloy powders by differential scanning calorimeter

    用x射線衍射儀對球磨后粉末的結構進行了分析，用dsc熱分析儀對樣品的熱穩定性進行了分析，用掃描電子顯微鏡對樣品的形貌進行了分析。
  9. Heat treated sintered iron - based structural materials

    熱處理狀態粉末冶金鐵基結構材料
  10. In order to improve diamond fine powder sinter ' s mechanical property, using the present laser technique, high power transverse co2 laser is used to sinter diamond fine powder compact to study the integrating capability in the sinter between diamond fine powder and metallic powder, microstructure and the forming mechanism of microstructure in the different laser technical parameters

    摘要為了改進金剛石微粉燒結體的機械性能，利用現有的激光技術，採用高功率橫流co2激光燒結金剛石微粉壓坯，研究在不同的激光工藝參數下，燒結體中的金剛石微粉與金屬粉末粘結的結合性能、微觀結構以及形成機理。
  11. 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。
  12. Microstructure of the composite layer was analyzed with help of optical microscope, scanning electronic microscope ( sem ), electronic probe microanalysis ( epma ) and x - ray diffraction ( xrd ). the compacting of the billet and the forming mechanism of the carbide reinforcement were studied based on thermodynamics and kinetics of reaction, sintering theory and the result of dta. at the same time, the wear - resistance of the composite layer was studied under condition of dry sliding friction

    利用光學顯微鏡、掃描電子顯微鏡、電子探針以及x -射線衍射儀，分析了表面復合層的基體組織結構；運用反應熱力學、動力學、粉末燒結理論和燃燒合成理論，結合差熱分析結果，探討了表面復合層壓坯的燒結緻密化原理和碳化物增強相的形成機理；利用坯塊在真空燒結爐不同溫度下的燒結出來的顯微組織分析，模擬出坯塊的燒結過程中的化學反應過程。
  13. In this thesis, the structure and basic characteristic of hexagonal ferrite absorbent were summarized, and popular methods to prepare ultrafine ferrite particles and hollow microspheres were introduced. hexagonal ferrite hollow microspheres were prepared by flame powders spraying technique and flame suspending solution spraying technique

    本文較為系統地概述了六角晶系鐵氧體吸收劑的結構和基本特性；介紹了當前鐵氧體超微粉末及空心微球的主要制備方法；用氧乙炔火焰粉末噴霧技術與等離子火焰溶液噴霧技術制備了六角晶系鐵氧體空心微球，對其結構和性能進行了一系列的探討工作。
  14. The preparation and activation methods of machine milling ( mm for short ) for ni / al and ti / al system tiny powder are researched. the technical treatment of mm makes metal powder a lot of changes in mechanical properties, chemical properties and organization structure

    研究了ti al ， ni al系金屬微粉的mm制備與活化方法，分析了mm處理工藝使金屬粉末在物理性能、化學性能和組織結構等方面的變化。
  15. 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。
  16. The iron covered silicon powder was fabricated separately by the milling method and the mixing method. treated separately at 500, 600, 700, 800, 900 and 1000 for 1 minute, the iron silicon alloy bulk was attained. it also found that the density of the bulk was enhanced by the boost of the treated temperature

    實驗分別採用球磨法和混料法制備鐵硅包覆粉末，採用放電等離子燒結技術分別在500 ， 600 ， 700 ， 800 ， 900 ， 1000保溫一分鐘進行處理，得到鐵硅合金塊體，研究發現，隨著處理溫度的提高，塊體的緻密度隨之增加，顯微結構的分析表明，塊體基本保持了包覆粉末原始自然狀態。
  17. The influence of nano - al2o3 on the sintering and the properties of the si3n4 ceramics was researched in this paper. the samples with different amount of nano - al2o3 were obtained by using pressureless sintering at 1600, 1650, 1700 in the nitrogen atmosphere. the microstructure and the composition of the ceramics were determined by the means of x - ray, sem, micro - hardness meter etc. it is show that the sisty ceramics can be densified at 1650c to % percent of the theory density through the addition of nano - al2o3 ( the value could be 90 percent by other technique ). the crystalline growth of the cylindrical - si3n4 and the ratio of its longitude to its diameter are increased with the addition of nano - al2o3. a uniform microstructure and an fined crystal as well as more sialon phases can be obtained in the si3n4 ceramics through the addition of that

    實驗結果表明：在碳管爐中、氮氣保護下進行燒結，添加劑為納米al _ 2o _ 3粉末時，由於納米粉末的高活性、高燒結驅動力，在1650就可使si _ 3n _ 4完全地燒結，並使其緻密度可達理論密度的96以上（比其它工藝高6左右） ；同時，納米al _ 2o _ 3地加入大大促進了長柱狀? si _ 3n _ 4的生長和發育及柱狀晶長徑比的提高，使微觀結構均勻、細化，形成了更多力學性能優異的固體? sialon相，減少了不利於陶瓷材料性能的晶間玻璃相，凈化了晶界。
  18. 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。
  19. The formation mechanism of titanium nitride powders by reduction of carbon and nitridation was researched by method of continuous weighing. the possibility to obtain the titanium nitride from this process was asserted by thermodynamical analysis and by the means of x - ray diffraction and sem

    用連續稱重法研究了鈦白粉被活性碳還原氮化合成氮化鈦粉末的還原氮化反應機理，並進行了反應的熱力學、反應產物的顯微結構以及x - ray衍射分析。
  20. Standard specification for materials for ferrous powder metallurgy structural parts

    黑色粉末冶金結構部件用材料標準規范
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