Results 161 to 170 of about 933,739 (206)
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Reversal of recovery direction during creep recovery of polymer blends
Journal of Rheology, 1995At small stresses or strains, polymeric liquids show a linear viscoelastic behavior. This can be demonstrated in creep followed by creep recovery.
H. Gramespacher, J. Meissner
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1997
Abstract Peace brought perils as grave as any in wartime for such City firms as Kleinwort, Sons & Co. At the end of the war in 1918 their acceptances were down to a mere £5m. from the 1913 high of £14.2m. Due to increased trading in the Americas, however, the partners’ capital had grown slightly to £4.6m., which was £263,000 more ...
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Abstract Peace brought perils as grave as any in wartime for such City firms as Kleinwort, Sons & Co. At the end of the war in 1918 their acceptances were down to a mere £5m. from the 1913 high of £14.2m. Due to increased trading in the Americas, however, the partners’ capital had grown slightly to £4.6m., which was £263,000 more ...
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Fast recovery diodes - reverse recovery behaviour and dynamic avalanche
2004 24th International Conference on Microelectronics (IEEE Cat. No.04TH8716), 2004This paper deals with the dynamics of the internal charge carriers during the reverse recovery process of a fast power diode. For two conditions, simplified approximations are given for analytical investigation, and parameters for achieving soft recovery are derived. Finally, both conditions are investigated with regard to dynamic ruggedness.
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Reversible Cross Linking in Oil Recovery
SPE Oilfield Chemistry Symposium, 1973This paper was prepared for the Oilfield Chemistry Symposium of the Society of Petroleum Engineers of AIME, to be held in Denver, Colo., May 24–25, 1973. Permission to copy is restricted to an abstract of not more than 300 words. Illustrations may not be copied.
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Reverse remodelling and myocardial recovery in heart failure
Nature Reviews Cardiology, 2017Advances in medical and device therapies have demonstrated the capacity of the heart to reverse the failing phenotype. The development of normative changes to ventricular size and function led to the concept of reverse remodelling. Among heart failure therapies, durable mechanical circulatory support is most consistently associated with the largest ...
Gene H, Kim +2 more
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Enzyme recovery by liquid-liquid extraction using reversed micelles
The Chemical Engineering Journal, 1986Abstract The recovery of α-amylase by liquid-liquid extraction, using a reversed micellar phase to transport the enzyme from one aqueous phase to another, has been investigated. Reversed micelles are aggregates of surfactant molecules in an apolar solvent, surrounding an inner core of water.
Dekker, M. +5 more
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Reverse recovery time reworking of fast recovery diodes for industrial production
2015 International Symposium on Next-Generation Electronics (ISNE), 2015For industrial field, cost is one of the most important factors. Especially discrete devices like a fast recovery diodes which are produced by complicated processes. In case of over t rr defect, reworking is required to limit the cost which is increased.
W. Itthikusumarn +2 more
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High-Recovery Low-Pressure Reverse Osmosis
SAE Technical Paper Series, 1992<div class="htmlview paragraph">Membrane performance parameters have been obtained for high water recovery operation in the pressure range up to 1.4 MPascals (200 psig) for system modeling. Simple equations can be fitted to these measurements, from which RO system performance can be predicted or simulated as part of a model of system performance.&
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A snapback suppressed reverse-conducting IGBT with soft reverse recovery characteristic
Superlattices and Microstructures, 2013Abstract A reverse-conducting insulated-gate bipolar transistor (RC-IGBT) featuring floating P-region (P-float) embedded in the n-buffer layer is proposed. The P-float plays three roles at different working conditions. Firstly, it introduces a barrier in the n-buffer to obstruct the electron current from flowing directly to the n-collector at small ...
Weizhong Chen +5 more
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Seawater reverse osmosis with energy recovery
Desalination, 1982The Porto Santo seawater reverse osmosis plant has been designed to provide per day 500 m3 of potable water with a total dissolved solids content of 500 ppm from seawater with a total dissolved solids content of abt. 34000 ppm. The plant consists of four independent units with an output of 125 m3 per day each.
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