Longitudinal diffusion
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On the relationship between band broadening and the particle-size ...2011年11月11日 · Each of the classical contributions to mass transfer kinetics, those due to longitudinal diffusion, eddy dispersion, and sol … tw | twEddy Diffusion | Industrial & Engineering Chemistry - ACS PublicationsEddy diffusion in the central region of turbulent flows in pipes and between ... https://doi.org/10.1016/0017-9310(69)90183-5; B. H. Chen, G. L. Osberg. tw | twDrift velocity and longitudinal diffusion coefficient of electrons in ...Overall agreement between the present longitudinal diffusion coefficients and the theoretical values ... Braglia G L, Romano L and Diligenti M 1982b Phys.New formulation of eddy diffusion thermocline models - ScienceDirectOne-dimensional thermal stratification models (for lakes, reservoirs, oceans, fjords), based on eddy diffusion concepts to represent vertical mixing of heat ...How do small particle size columns increase sample throughput?The Van Deemter equation is governed by three cumulative terms: (A) eddy diffusion, (B) longitudinal diffusion, and (C) mass transfer. twProgressive Gender Differences of Structural Brain Networks in ...2015年3月5日 · Here we utilized graph theoretical analysis of longitudinal diffusion tensor imaging data over a five-year period to investigate the ...One-Year Prospective Longitudinal Diffusion Tensor Imaging Study2016年9月15日 · The Impact of Cognitive Training on Cerebral White Matter in Community-Dwelling Elderly: One-Year Prospective Longitudinal Diffusion Tensor ...The Promise of Small Particles - Waters CorporationThe A term [eddy diffusion] is related primarily to the particle size of the packing material. Its value is also determined by how well the chromatographic ... tw[PDF] MULTISCALE ANALYSIS OF TRANSPORT IN POROUS MEDIA2019年5月22日 · Eddy diffusion in liquid chromatography . ... Solutions of the polymers and toluene are prepared at a concentration of 1 gL-1. For the.Quantitative in vivo assessment of lung microstructure at the alveolar ...Diffusion MRI with hyperpolarized 3He gas was performed with sufficient SNR (>100) to allow the separate determination of longitudinal and transverse ADCs at ...
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- 1理論塔板數 - 中文百科知識
N取決於固定相的種類、性質(粒度、粒徑分布等)、填充狀況、柱長、流動相的種類和流速及測定柱效所用物質的性質基本信息中文名:理論塔板數英文名:the oretical ...
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基於熱力學的塔板理論
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理論板數(theoretical plate, N) 是描述管柱分離效率的指標,理想的分離情況 ... Van Deemter equation – Wikipedia. https://en....
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管柱的理論板數(number of theoretical plate) N,可用. 平板高度H及管柱填充之長度L來表示: ... 可用來評估層析管柱的平板高度H及理論平板數N。圖26-7.
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層板塔與填充塔皆為利用兩相系統(氣體與液體)來分離流體中某種物質的常見設計;在設計層板塔時,塔板數是最重要的參數,通常可以利用系統的平衡線與操作線求出理論塔板數 ...