等晶粒結構 的英文怎麼說

中文拼音 [děngjīngjiēgòu]
等晶粒結構 英文
homoeocrystalline texture
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
  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 、激光徑分析及電化學性能測試方法,對國內外多種典型石墨樣品的與性能進行比較,研究石墨材料的來源、、雜質含量、顆大小、比表面積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、以及復合炭材料研究的原材料。
  2. Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest

    文摘:在緊束縛近似下,只計及最近鄰的矩陣元,採用格林函數計算了自洽勢修正對簡立方納米體顆的電子的影響,發現電子能譜發生了移動,化學勢不於格點原子能級,各格點的電子密度也發生了變化,其中以表面格點的電子密度變化最大。
  3. But the grain growth, grain semiconduction and grain boundary insulation were influenced by many factors, such as the type and contents of dopants, sintering temperature and so on. therefore, in this thesis the effect of the restore sintering temperature, the oxygenize temperature, the donor and acceptor dopant on the dielectric and varistor properties of devices were studied. with sem, the microstructure of srtio3 - based double function ceramic was analyzed

    生長、半導化和界絕緣化受到多種因素的影響,諸如雜質的種類和含量、燒成溫度,因此本論文研究了還原燒成溫度、中溫氧化溫度、施主和受主摻雜對srtio _ 3基陶瓷的壓敏和介電性能的影響,並藉助于sem分析對srtio _ 3基雙功能陶瓷的微觀進行了分析。
  4. It was concluded that, the structure of ito thin films were influenced by many working parameters such as substrate temperature, oxygenous pressure and substrate and so on. it was indicated by sem spectra of zno thin films that the surface of the sample was leveled off, and the crystals were felsitic

    果表明,對于ito薄膜,薄膜的光電性能薄膜的擇優取向性和與襯底溫度、濺射氧氣壓工藝參數有很大關系, ito薄膜的sem表明,樣品表面較平整,且也比較緻密。
  5. Fe3o4 nano - particles, which can be dispersed in nano scale, were prepared by means of chemical co - precipitation method. such influencing factors as the type of precipitant, the feeding mode, the surfactants, the reaction temperature, the curing temperature were surveyed. some properties such as crystal structure, particle size, magnetic properties and iron content were characterized

    深入探討了沉澱劑的種類、加入方式、表面活性劑、反應溫度、熟化溫度各種因素對產物的徑及磁性能的影響,對fe _ 3o _ 4納米子進行了徑、磁性能、鐵含量性能的表徵。
  6. The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage

    系統的儲層特徵研究表明,該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口砂壩及三角洲平原水上分流河道微相細長石砂巖、粉砂巖;儲層巖石經歷了壓實,膠,溶蝕成巖作用,歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期( b亞期)膠充填孔隙縮小期三個成巖-孔隙演化階段;儲層物性總體上具有較低孔滲、低孔滲的特點,孔隙類型主要為間溶孔、殘余間孔隙、內溶孔、間孔及間溶孔,裂縫不發育,儲集巖排驅壓力和中值壓力較高,孔隙類型以細小孔-微孔隙,微細喉-微喉型為主。
  7. At the same time because of the insolubility of calcium phosphate, topical extortionate concentration of calcium ions and phosphate ions, the vary of ph value and the effect of osteoblasts and proteins in oregano - bone matrix, the calcium ions and phosphate ions gave birth to crystal nucleus and came into being osteo - salt deposition, furthermore to form mineralized bone. finally, at the host osseous lamella far away the implanting area we found some material granules

    藉助于掃描電鏡測試手段,實驗發現隨著植入時間的延長,材料區域的面積不斷縮小,體顆間的頸部連接斷開,顆和形貌發生了較大的變化,且材料的內部出現了生命元素碳和硫
  8. From the results, it can be shown that the flaky crystal grains of this nano - sized material has small size, and the conjunction among them is loose, which can help gas be adsorbed and improve its performance

    該wo3材料具有片狀徑小,鬆散特點,這些特點有利於氣體的吸附,提高材料的氣敏性能。
  9. 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尺寸、微觀形貌及電化學性能的影響,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。
  10. As the increasing of calcinating temperature, crystallite size of co3o4 is reduced, while that of licoo2 increased and furthermore, there is less defects in the crystal structure

    Licoo _ 2樣品的大小、顆大小和團聚情況因素與先驅物co _ 3o _ 4存在一定的繼承性。
  11. 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,在微觀上都具有、孔隙、微裂紋特徵,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。
  12. We have found the best ways to optimize the growth of quality zno films and got highly c - axis oriented zno films. the microstructures of the films were observed by afm. after analyzing the crystal structures, the crystal tropism and the surface conformation flatness, we found the result that the substrate temperature of 400 ? is ideal for silicon substrates, which conforms to the result of the structure analyse. by analyzing the magnetism of zno films, we found that the films appropriately doped with fe, co ions have magnetism at room temperature and their magnetism can be improved by doping other little cu ion, but it is not certain that the content of cu is higher, the film has more magnetism, so it has the best content of cu. moreover, the films which have best crystal structures may not have the best magnetism

    我們採用原子力顯微鏡( afm )方法觀察薄膜的顯微,利用所得的圖象信息對薄膜的取向、表面形態平整度進行分析討論,認為400的襯底溫度對硅襯底薄膜是合適的,與分析的果一致。通過對薄膜磁性能的分析和研究,我們得出一些有意義的果:適量過渡金屬離子fe 、 co摻雜的zno薄膜,在室溫下具有鐵磁性,而在此基礎上摻入少量的cu離子能改善薄膜的磁性。摻cu量有個最佳值,而且最好的薄膜磁性不一定最好。
  13. Through strength tests and xrd tests for cemented stone, the paper presents action mechanism of the nanometer materials in the cement hydration and hardening process : pozzolanic effect, filling effect, acceleration action for the cement hydration, and improving action for microstructure. from the four aspects, the modified mechanism of the nanometer silica fume and ordinary silica fume in cement paste are compared. the analysis results show that the particular properties of the nanometer silica fume include particle fineness, crystal structure and surface hydroxy, etc. a serial of laboratory tests are performed to study physical and mechanic properties of the clay with the addition of the nanometer silica fume

    合水泥石強度試驗和xrd試驗,從火山灰效應、填充效應、水泥水化促進作用和微改善作用方面探討了三種納米礦粉在水泥水化硬化過程中的作用機理;從這四個方面出發,對比分析了納米硅粉和普通硅粉作用機理的異同點,分析表明,納米硅粉的優異特性主要表現為顆細度、、表面羥基特性。
  14. 3. simpler microstructure and mechanical properties classification criterions have been established. if f1 3. 8, the grains must be large grains ; if 0 f1 < 3. 8, the grains must be medium grains ; if f1 < 0, the grains must be fine grains

    由新的表徵變量建立了更簡單明確的顯微和力學性能分類準則:當f _ 1 3 . 8 ,則為粗大組織;當0 f _ 1 3 . 8 ,則為中組織;當f _ 1 0 ,則為細組織。
  15. 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、物相組成和的影響。
  16. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮化合物薄膜沉積,得到了含氮量為21at的cn薄膜;研究了襯底溫度和反應氣體壓強對薄膜特性的影響,給出了cn薄膜中n含量較小、 sp ~ 3鍵合成分較少和薄膜中僅含有局域cn體的原因;引入脈沖輝光放電離子體增強pld的氣相反應,給出了提高薄膜態sp ~ 3鍵合成分和薄膜的含n量可行性途徑;應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ,得到了含n量為56at的態cn薄膜;探討了cn薄膜形貌、成分、、價鍵狀態特性及其與氣體壓強和放電電流的關系,證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭果;採用光學發射譜技術對cn薄膜生長過程進行了實時診斷,得到了實驗參量對離子體中活性子相對濃度和氣相反應過程的影響規律,給出了cn薄膜沉積的主要反應前驅物,揭示了cn薄膜特性和離子體內反應過程之間的聯系;採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的特性,揭示了si原子對薄膜生長過程的影響,給出了si基表面碳氮薄膜的生長模式;在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積,證明了通過控制材料表面動力學條件可以改變碳氮薄膜特性,並可顯著提高態碳氮材料的生長速率。
  17. Studies on the microstructure of copper interconnects include the determination of grain size by afm and sem, the measurement of texture by xrd and ebsd, the evaluation of barriers by xps and aes

    銅互連線的微觀的研究:通過afm 、 sem 、 tem的分析方法對銅膜及銅互連線薄膜的尺寸進行了評價。
  18. Mineral compositions and the microstructure were investigated by xrd and sem ; the result show that the second phase and liquid phase are produced during sintering, and the second phase and liquid phase were filled in space of the al2o3 crystals, which can control the microstructure efficaciously

    通過xrd 、 sem (帶能譜分析)測試手段測試樣品的礦物組成和顯微果表明,引入mgo礦化劑后,材料在燒過程中主要形成第二相和一定量的低共溶相填充在al _ 2o _ 3之間,籍此可以有效控制材料的顯微
  19. This text attempts to regard silica as shell materials, regard nanometer iron and carbonyl iron particle as core materials to prepare a kind of new - type absorbent. the structur of the core - shell particles were characterized by ftir, tem, sem, xps, xrd etc. the properties of magnetism, heat, crystalization, ectromagnetic were characterized by vsm, tg - dta, network vectorial analysis instrument

    本文以二氧化硅為殼層材料,以納米鐵以及羰基鐵子為核層材料,制備一種新型的吸收劑子。用ftir , tem , sem , xps , xrd表徵了復合子的,利用vsm , tg - dta ,網路矢量分析儀分析了材料改變對材料磁性能,熱性能,性能,電磁參數性能進行了分析。
  20. The results showed that the in - situ formed tibi particles which had a size of about 50nm, exhibited a homogenous dispersion in the copper matrix. moreover, the interface between the nanoscale particles and the copper matrix was clean, and there was no certain location relationship. due to their reinforcement, the tensile strength and hardness of the in - situ cu - tib _ 2 nanocomposite significantly improved

    通過光學顯微鏡、 tem 、 xrd對cu - tib2原位復合材料進行了金相組織、微分析,原位復合材料的鑄態金相組織中彌散分佈著團簇狀的tib2顆;形變態金相組織中tib2顆呈纖維狀排列; tem觀察表明:在基體內存在著尺寸約為50nm 、彌散分佈的tib2顆,且tib2顆與基體之間界面清晰,但由於tib2與銅的差別較大, tib2顆與基體之間無固定的位向關系;納米tib對銅基體有良好的增強作用。
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