homogeneous nucleation 中文意思是什麼

homogeneous nucleation 解釋
單相成核
  • homogeneous : adj. 1. 同種的,同質的,同性的,相似的。2. 純一的,均質的;均勻的。3. 【數學】齊性的,齊次的。adv. -ly ,-ness n.
  • nucleation : n. 【物、化】成核(現象);晶核過程,核子作用;集結;人工降雨作用。
  1. The research of gibbs free energy, critical nucleus radius, nucleation rate of homogeneous nucleation " and heterogeneous nucleation shows that the main reason decreasing solution stability is heterogeneous nucleation

    通過分析非均相成核與均相成核的臨界成核半徑、臨界晶核形成功、成核速率等,說明降低溶液穩定性的主要因素是非均相成核。
  2. Homogeneous nucleation is made possible by statistical fluctuations among molecular aggregates in the vapour.

    同質成核作用之所以可能,是由於蒸汽中分子凝聚的統計起伏。
  3. It ' s well - known that nucleation consisted of homogeneous nucleation and heterogeneous nucleation. the organic matrix used as the template to induce inorganic crystal growth and simulate the biomineralization is actually to promote heterogeneous nucleation and inhabit homogeneous nucleation. urinary stone is a kind of product of unusual biomineralization

    眾所周知,結晶過程中的成核有均相成核和非均相成核兩種可能,利用有機基質做模板,誘導無機晶體生長,模擬生物體內的礦化過程實際是促進非均相成核而抑制均相成核。
  4. Fractional dimension number of nucleus during homogeneous nucleation

    均勻核化過程中凝結核分維數研究
  5. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  6. The reason is that the elastic energy increases the nucleation work while the formation of primary martensite can excite the release of elastic energy in austenite to promote the formation of after martensite and intensify the tendency towards homogeneous nucleation

    其原因是彈性能的存在增大了初生馬氏體的形成功,而初生馬氏體的形成則會激發奧氏體內彈性能的釋放,彈性能的釋放可促進繼生馬氏體形成,並增大其均勻形核傾向。
  7. Al these can increase the nucleation rate, so the tic particles become smaller and disperse more homogeneous, and the volume fraction of tic is increased. when 0. 5wt % rare earth ceo2 is added to melt, the surface tension of melt is decreased and fluidity is enhanced, accordingly it enhances the diffusion rate of ti to c particles during the course of reaction and prompts the formation of tic

    加入0 . 5wt的稀土ceo _ 2增大了熔體的表面張力及流動性,從而在反應階段增大ti原子朝c顆粒的擴散速率,促使tic顆粒生成,以及在反應完成後增大tic顆粒朝熔體中擴散的速率,促使tic顆粒的形核。
  8. The thermodynamic conditions of decomposition of the foaming agent tih2, homogeneous and heterogeneous nucleation in high - temperature solid and liquid, growth and movement were achieved to demonstrate the trend of pore evolvement in this paper. moreover, according to the characteristics of in - situ gas foaming, the equations of the height change of foaming samples with heating time were primarily established to study the behavior of foams and to guild the experiment processes

    另外,論文通過大量的熱力學分析,得出了發泡過程中發泡劑分解以及氣孔在固液態時的均勻形核和非均勻形核、氣孔的生長和運動等熱力學條件,揭示了氣孔演化的趨勢;論文還根據內生氣源發泡的特點,初步建立了高溫熔體中氣體發泡高度隨時間變化的方程,為進一步深入的研究發泡機理奠定了一定的基礎。
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