heterogeneous nucleation 中文意思是什麼

heterogeneous nucleation 解釋
不均勻成核
  • heterogeneous : adj 1 異種的，異類的。2 異質的，不純的，成份復雜的 （opp homogeneous）。3 【數學】非齊次[性]的，...
  • 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. The initial formation of small ice particles is also the result of heterogeneous nucleation by particles in this case freezing nuclei.

    最初形成的小冰粒也是由粒子的復相成核作用造成的。
  3. The study showed that the effect of surface tension induced by the nanosize curvature of critical nuclei could drive metastable phase region of diamond nucleation in carbon diagram into stable phase region, consequently, for both of homogenous and heterogeneous nucleation processes, diamond nucleation would be prior to graphite nucleation in competing growth of diamond and graphite upon chemical vapor deposition ( cvd )

    研究表明，建立在碳的平衡相圖基礎上，在納米尺寸的金剛石臨界核的曲率誘導下的表面張力效應將金剛石成核的亞穩相區推進到穩定相區，因此無論對于金剛石的均勻氣相成核還是異質成核，在金剛石和石墨的競爭生長中，金剛石成核均優先於石墨成核。
  4. 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。
  5. Inorganic salts, such as a1 ( no3 ) 3, zrocl2, ticl3, et al. was used as raw materials and corresponding hydroxides were deposited on the surface of graphite particle with heterogeneous nucleation process ; composite particles of graphite / oxides were obtained after heat treatment. in this paper, preparing conditions and properties of composite particles were studied

    本論文以無機鹽（硝酸鋁、氧氯化鋯、三氯化鈦等）為原料，在石墨的稀懸浮液中應用非均勻成核技術，使水解產物（水合氧化物）沉積到微米級鱗片石墨表面，經洗滌、烘乾和熱處理制備出石墨氧化物復合粉體。
  6. Accordingly, a new framework, which provides a common scheme for the numerical simulation on the macroscopic behavior of ferroelectrics though multi - scale analysis on the coupled thermo - electrics - mechanical behavior of multiphase in heterogeneous material, is induced to construct the effective constitutive equation of multiphase. in chapter four, based on the law of domain nucleation and domain wall motion of 1800 domain switching, a new scheme of domain switching and numerical simulation approach is put forward on the foundation of thermodynamics. driving traction, nucleation criterion, velocity of domain wall motion, kinetic relation and rate of domain switching in a single grain are given

    第四章以鐵電體1800疇變的過程中形核規律和疇界運動規律的實驗觀察結果為基礎，根據熱力學理論建立鐵電體疇變的理論框架和數值模擬方法；給出了單疇內疇變驅動力、新疇形核準則、疇界運動速度公式、疇變動力學的表達式，單晶的疇變速率公式；用細觀力學的觀點給出了對多晶鐵電體多場耦合的有效性質進行包含疇變速率影響的多尺度分析方法。
  7. The seemingly mcnt content in pt can be controlled by repeating the coatings of the film and increasing the mcnt doped concentration of the sol. the heterogeneous nucleation at the interface between mcnt and pt was induced by the doption of mcnt. the films which were calcined at 500 ? had formed perovskite and large crystal content, means that perovskite formed at the lower temperature, in conclusion, the crystalline ability of pt was improved by the doption of tb and mcnt

    納米碳管的引入，使得體系在納米碳管和pt之間的界面產生非均態核化，隨pt薄膜成核勢壘的降低，摻納米碳管的pt薄膜在較低溫度下即可形成鈣鈦礦相，在500的較低溫度，就可獲得結晶完整且己具有很大結晶量的薄膜。
  8. It shows that the interface energy and the heterogeneous nucleation barrier were changed by the doping of tb. so the relationship between crystal content and tb doped concentration can be " described as : y = 1 - exp ( k1 exp ( k cos ( ( x + ) 3 ) it shows that the crystal content will reach a maximum with increasing tb doped concentration because of the influence of heterogeneous nucleation barrier variation

    本文在分析界面能的基礎上，推導了在一定條件下薄膜受摻tb影響的鈣鈦礦相析晶含量的理論表達式為： y 1 yxp （ k ； xxp （ kcos （ s ? （ x a ） 』 ）該式表明了受體系成核界面能的變化影響，晶體生長受摻tb濃度影響出現極值。
  9. 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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