長晶核 的英文怎麼說

中文拼音 [zhǎngjīng]
長晶核 英文
germination
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : 核構詞成分。
  1. When ph value < 0. 5, faster deposition rate, faster growth rate of crystallizing nucleus, which causes bigger crystalline granularity and bad surface quality of the deposits such as crassitude or darkling

    Ph 0 . 5時,沉積速度過快,速度快,粒粒度較大,鍍層表面粗糙、發黑,表面質量差。
  2. For electrodeposition by dc methods, the metals deposite uninterrupted and the particles were also embeded uninterrupted into the coatings ; for electrodeposition by pc method, the particles with biggish volume were desorbed from the coatings and returned to the electrolyte again owing to the presence of pulse interval ; for electrodeposition by prc method, the particles carried positive charges are much more easy to desorb from the coatings owing to the effecf of reverse pulse current combined with pulse interval, in addition, the reverse pulse current also could dissovle the metals, further accelerates the desorption of particles, thus the particles size embeded in the coatings by prc method is the least

    直流電沉積時,基質金屬的沉積連續進行,粒子在電極表面不間斷嵌入鍍層;單脈沖電沉積由於脈沖間歇的存在使得具有較大體積的粒子會脫附,重新回到溶液中;採用周期換向脈沖時,反向脈沖電流使表面荷正電的較大的粒子更易從電極表面脫附,同時,反向脈沖電流對基質金屬的溶解作用,也會促進粒子的脫附,因此鍍層中復合粒子尺寸最小。隨著鍍層中粒子復合量的增加,三種鍍層的粒都明顯細化,說明al _ 2o _ 3的存在阻止了粒的大,提高了電沉積過程中的形成速率。
  3. The main mechanism of enhancing precipitation is that much ice nuclei turn into ices, and then snow ; graupel are formed more by microphysical processes. the melting of graupel makes precipitation more than that of unseeded clouds

    主要的增雨機制是大量冰活化成冰,冰通過增和其他的微物理過程形成雪、霰,霰最後融化成降水使地面降水量增加。
  4. Through the analyzing the macro - structure to micro - structure, the author considers that retarding mechanism of citric acid is that citric acid and ca in the gypsum form the complexant ion, and hinder the crystallization center of dihydrate crystal bigger ; that of sodium tripolyphosphate is that it combined with ca, hinders the dissolve of hemihydrate. formation and growth of crystallization center ; that of bone glue is the glue - protection and chemical absorption action of active group, which also retards the formation and growth of crystallization center

    通過宏觀到微觀的分析,筆者認為,檸檬酸的緩凝作用的原因主要在於檸檬酸與鈣形成絡合離子,影響了二水石膏體的大過程;多聚磷酸鈉與鈣形成某種復鹽,對于石膏體的溶解、成大過程均有強烈的阻礙影響;骨膠則在於膠體對半水石膏的包裹和活性基團的化學吸附,使二水石膏體的成大困難。
  5. Through the study of the example of shaxi porphyry body in anhui province, the authors first figured out the storage time of plagioclase phenocrysts, then calculated the nucleation rate and growth rate of the crystals and, on such a basis, established the thermal model for cooling of the hypabyssal magmatic system

    本文試圖通過對安徽沙溪斑巖體進行實例研究,先求出斜石斑的存儲時間,再算得體成速率和生速率,進而建立起淺成巖漿體系冷卻的熱模型。
  6. Quartz core zones : mineralisation occurs in enclaves of albitisation around the core of the pegmatite. tantalite crystals are large and randomly distributed

    石英心帶:礦化作用存在於被納石礦包圍的偉心。鉭鐵礦呈現巨大而不規則分佈。
  7. The i - phases directly nucleate and grow from melt of cooling mg - zn - y ternary alloys

    Mg - zn - y三元合金熔體在室溫冷卻過程中,準相直接從液相形大。
  8. In this paper, the course of isothermal crystallization kinetics of polymer in limited volume unit is simulated by use of the method of monte carlo. four factors influenting on the course of polymer in the limited volume unite isothermal crystallization are analyzed under the given conditions. the four factors are sample volume shrinkage, the change of the linear growth rate of entities g, the change of sample thickness and the change of the number of nuclei

    本文採用montecarlo方法研究了高聚物在有限體積元中的等溫結動力學過程,分析了在一定條件下,樣品體積收縮、體線生速率變化、樣品厚度變化和數目變化這四種因素對高聚物在有限體積元中的等溫結過程的影響。
  9. When sn2 + concentration in the bath is lower, sn2 + activity is not enough causes slow deposition rate and slow growth rate of crystallizing nucleus, so crystalline granularity deposited is smaller ; when sn2 + concentration in the bath is higher, the dispersive ability of the bath decreases and the surface quality of the deposits sets worse

    鍍液中sn ~ ( 2 + )濃度較低時,離子活度不夠,沉積速度慢,速度慢,使沉積的粒粒度較小; sn ~ ( 2 + )濃度過高,鍍液分散能力降低,使鍍層的表面質量下降。
  10. The results show that the deposition of nickel on the substrate do not undergo upd process, but undergoes nucleation process. in the experimental conditions, the electrocrystallization of nickel follows the mechanism of three dimensional progressive nucleation and growth

    結果表明,鎳在該基體上的沉積沒有經歷upd過程,鎳的電沉積經歷了形成過程,在所研究的外加電位范圍內,其電結按連續成和三維生方式進行,外加電位對體生具有顯著的影響。
  11. According to the i - t curves of potential step, it was revealed that electrocrystallization of ni - w - b alloy on glassy carbon followed the mechanism of instantaneous nucleation and three dimensional growth with diffusion controlled. the crystal nucleus number on the surface of electrode raised by the increase of over potential

    根據電位階躍的i t曲線分析得知,在玻摘要碳電極上ni wb合金電結過程遵從擴散控制瞬時成三維成模式進行,且隨著過電位的增加,電極表面上數增多。
  12. The microtube zno econtrollable growth on the glass substrate, which was previously deposited, of zno hollow spheres was researched. the results showed that zno hollow spheres acted as crystal nucleus of zno microtubes. by this method regular zno microtubes were synthesised. the growth of microtubes can be controlled by change the size of zno hollow spheres

    結果發現zno中空球層對zno微米管的生起到了的作用,能夠在玻璃襯底上形成形貌規則的zno微米管;改變zno中空球的粒徑能夠改變所形成的zno微米管的尺寸,從而實現了對zno微米管的可控生
  13. With the thermodynamic theories and techniques, it is relatively easy to determine the phase equilibrium data with enough accuracy, however there still exist much more difficulties in crystallization kinetics study even for a simple binary system. that is the reason that nucleation and crystal growth rate are generally represented in form of the empirical expressions. the crystallization kinetic is important for crystallizer design, process control and optimization, and it is strongly depended upon the accurate characterization of process information concerning with multiphase flows and the further disclose of its mechanisms with suitable mathematical models

    熱力學理論和方法已足以獲得準確的相平衡關系;然而即使對于簡單的二元物系的結過程,形成和體生動力學的研究仍面臨許多困難,通常採用經驗模型表述,而動力學參數的準確性和可靠性是結器放大設計、過程式控制制與優化的關鍵,因此多相流信息的準確表徵、結機理的進一步揭示及建立起與之相適應的數學模型有著十分重要的學術研究和實際應用價值。
  14. By means of sem, tem, laser scattered particle analyzer, etc., the formation mechanism of ultrafine sio2 particle was studied. it was found that at the initial stage, the sio2 particle consisted of some minicrystal, but after the initial stage the sio2 particle was formed by some soluble aggregated substance growing on the surface of the early particle

    運用掃描電鏡、透射電鏡、激光粒度分析儀等檢測手段,探討了體系中超細二氧化硅顆粒的形成機理和過程,指出超細二氧化硅粒子前期是由體系中的微組成,中後期則由體系中的可溶性縮合物在其表面生而成。
  15. The precipitation sequence is. - supersaturated solid solution - stoicheometric " phase - growth. with the increase of the composition there is more characteristic of non - classical nucleation and growth, and the order parameter values of critical ordered nucleus decrease. the precipitation sequence is : supersaturated solid solution - nonstoicheometric ordered phase - stoicheometric " phase - growth

    隨濃度增加,大部分亞穩區合金沉澱非經典形大的特徵增強,有序相臨界序參數分佈曲線降低,且分佈更加平緩,沉澱序列為:過飽和固溶體非化學計量比有序相化學計量比相大,非化學計量比有序相併非熱力學意義上的亞穩相,研究工作明確了這一點。
  16. Higher bath temperature and more deposition time, faster deposition rate, faster growth rate of crystallizing nucleus, which causes bigger crystalline granularity ; ph value and bath temperature are also key factors affecting the size of crystalline granulatrity

    鍍液溫度越高、時間越,沉積速度越快,的速度就越快,沉積粒的粒度也越大。鍍液ph值和sn ~ ( 2 + )離子濃度也是影響粒粒度大小的關鍵因素。
  17. The forming - nucleus drive power could form numerous little crystal nucleus under natural melting temperature. the formation of tic particles in the melt could be divided into two phases which was forming - nucleus and growth. the forming mechanism of tic was : melting ti first surrounded c, then ti melting in the alloy and c formed a complicated reaction mesosphere on the carbon surface

    根據熱力學及動力學分析,認為在碳顆粒界面處tic的形率很高,形驅動力足以在正常的熔煉溫度下形成眾多的小;熔體中tic顆粒的合成可分為形大兩個階段,其形機制為:首先活性ti原子包圍c ,溶入合金中的ti與c在碳表面形成一復雜反應中間層,隨著反應進行, ti和c顆粒不斷減少,生成的tic不斷彌散分佈於熔體中;其大過程伴隨著tic顆粒的相互堆砌、聚集和形態規則化。
  18. The study on the structure and micromorphology of two znse monocrystal indicated that the growth mechanism of znse monocrystal via vapor is two - dimension nucleation and growth, and ( 111 ) face is the mainly appearing face. the results provide an important experimental evidence for the growth theory of singular face. ultrafast nonlinear optical properties of as - grown znse single crystals were investigated by femtosecond pulses

    兩種方法生znse體單的結構和形貌研究表明,在輸運劑zn伽場) 3c15的存在和本文實驗條件下, cvt氣相生znse的機理主要為二維成與生機理, ( 111 )面為主要生面,該結果為立方體的奇異面生理論提供了重要的實驗證據。
  19. Their growth mechanism could be attributed to the substrate - induced oriental nucleation and fast growth under thermodynamic equilibrium state

    其生過程可以概括為襯底誘導的趨向氧化鋅在平衡狀態下的快速生
  20. The result of annealing of silicon nitride showed the crystal nuclear existing in the origin silicon nitride powder led on the grow of hexagonal 3 - si3n4 and formed the 3 - si3n4

    氮化硅的煅燒表明:原始氮化硅納米粉末中的在氮化中誘發相生,形成- si _ 3n _ 4 。
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