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Multiple dual mode counter-current chromatography with periodic sample injection: Steady-state and non-steady-state operation

Journal of Chromatography A, 2014
The multiple dual mode (MDM) counter-current chromatography (CCC) separation consists of a succession of two isocratic counter-current steps and is carried out in series alternating between normal phase and reversed phase operation. The performance of the MDM technique can be improved by the sample re-injection between each of the dual-mode steps.
Artak E Kostanyan
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Determining Multiple Steady-State ZCS Operating Points of a Switch-Mode Contactless Power Transfer System

IEEE Transactions on Power Electronics, 2009
This paper presents a new method for accurately determining all possible steady-state operating points of a switch-mode contactless power transfer (CPT) system. The method is based on a stroboscopic mapping model and accurate calculation of its fixed points corresponding to circuit zero current switching (ZCS) conditions.
null Chun Sen Tang   +4 more
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Steady-state mode-locking operation in a laser with a saturable absorber

Radiophysics and Quantum Electronics, 1972
It is shown that a simple correspondence exists between the form of radiation for a steady-state mode-locking operation and the well-known solution of the one-mode problem. The dependence of the amplitude and shape of the pulses on the amount of absorber is determined.
G. L. Gurevich, V. M. Pakhin
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Steady-state mode of operation of the countercurrent reactor. Liquid-liquid heterogeneous system

Russian Journal of Physical Chemistry B, 2014
A two-temperature model of the countercurrent plug-flow reactor for two chemically interacting liquids, the dispersion (continuous) media and dispersed phase, is developed. It is shown that there is a critical velocity of the dispersion medium that delimits two types of steady-state modes.
Z. S. Andrianova   +4 more
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Quasi-Steady-State Operation of a Pulsed Diode Pumped Passively Mode-Locked Nd:YAG Laser

Conference on Lasers and Electro-Optics 2010, 2010
Generation of a stable train of picosecond pulses with 3.8 mJ energy at 400 Hz repetition rate and 200-µs train envelope from a pulsed diode pumped Nd∶YAG laser with electro-optical negative feedback is presented.
Alexander Gaydardzhiev   +4 more
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Prediction of steady-state operating modes in recycle reactive-distillation systems using the mode of infinite separation efficiency

Theoretical Foundations of Chemical Engineering, 2009
The possibility of using the assumption of infinite separation efficiency for the prediction of steady-state operating modes in recycle reactive-distillation processes is analyzed. It is shown that whether the steady-state operating modes is feasible can be decided by analyzing the detailed pattern of the equilibrium phase diagram for the reacting ...
A. V. Solokhin   +2 more
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