منابع مشابه
Realistic Model of a Fixed-charge Membrane
A realistic model of a fixed-charge membrane was constructed to elucidate the principles involved in the Teorell-Meyer-Sievers theory. Polyelectrolyte solutions (polystyrene sulfonic acid or gelatin) were used in a multicompartment cell to serve as the "membrane." The ionic concentration and potential differences between the compartments served as a finite increment approximation to a continuou...
متن کاملRealistic Model of a Fixed-charge Membrane
A realistic model of a fixed-charge membrane was constructed to elucidate the principles involved in the Teorell-Meyer-Sievers theory. Polyelectrolyte solutions (polystyrene sulfonic acid or gelatin) were used in a multicompartment cell to serve as the "membrane." The ionic concentration and potential differences between the compartments served as a finite increment approximation to a continuou...
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tic cis-benzenediol was present on both plates, with R, values of 0.21 and 0.24 respectively. Another portion of the thoroughly dried ether extract was treated with Bis (trimethylsily1)trifluoracetamide and trimethylchlorosilane for 30min at 90° C and the trimethylsilyl derivative injected into a Pye 104 chromatograph fitted with a glass column packed with 4% OV 255 on Chromosorb WHP and a flam...
متن کاملElectromagnetism-like Algorithms for The Fuzzy Fixed Charge Transportation Problem
In this paper, we consider the fuzzy fixed-charge transportation problem (FFCTP). Both of fixed and transportation cost are fuzzy numbers. Contrary to previous works, Electromagnetism-like Algorithms (EM) is firstly proposed in this research area to solve the problem. Three types of EM; original EM, revised EM, and hybrid EM are firstly employed for the given problem. The latter is being firstl...
متن کاملLagrangian Relaxation Method for the Step fixed-charge Transportation Problem
In this paper, a step fixed charge transportation problem is developed where the products are sent from the sources to the destinations in existence of both unit and step fixed-charges. The proposed model determines the amount of products in the existing routes with the aim of minimizing the total cost (sum of unit and step fixed-charges) to satisfy the demand of each customer. As the problem i...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 1973
ISSN: 0006-3495
DOI: 10.1016/s0006-3495(73)85975-2