نتایج جستجو برای: chloride diffusion

تعداد نتایج: 248984  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده علوم 1371

we describe here a suitable approach for the synthesis of n-unsubstituted monocyclic b-lactams under mild reaction conditions by the annelation of imines with substituted acetylchlorides. in this method the reaily available phtalimidoacetyl chloride were allowed to react with - dibenzylideneiminotoluene (hydrobenzamide) in the presence of an equimolar amount of triethylamine in refluxing toluen...

Journal: :The Journal of General Physiology 1973
Thomas E. Andreoli Mary L. Watkins

This paper describes dissipative Cl(-) transport in "porous" lipid bilayer membranes, i.e., cholesterol-containing membranes exposed to 1-3 x 10(-7) M amphotericin B. P(DCl) (cm.s(-1)), the diffusional permeability coefficient for Cl(-), estimated from unidirectional (36)Cl(-) fluxes at zero volume flow, varied linearly with the membrane conductance (Gm, ohm(-1).cm(-2)) when the contributions o...

2014
Elena Ten Yuk Tsui Luisa Dempere Wilfred Vermerris

Chloride-induced corrosion of steel reinforcement is a major factor adversely influencing the durability of reinforced concrete structures. The main objective of this preliminary study was to explore the use of waste residues generated during the bioethanol processing of sugar cane bagasse as a source of high value products, primarily lignin that can be functionalized to scavenge chloride ions ...

Journal: :Journal of materials research and technology 2022

Innovative approaches are under research to study the resistance of chloride ion penetration in concrete containing ions, minimize impact test errors coastal reinforced (RC), which is helpful design RC structures. In this study, diffusion depth, free concentration and coefficient chloride, iodide ions with different curing ages GGBFS content were measured by Rapid Chloride Migration Test (RCM) ...

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