115,730 research outputs found
Comparison of genome stability in two pig breeds by using the sister chromatid exchange (SCE) test
No full textThe sister chromatid exchange (SCE) test has been used to detect genome stability in humans (Chaganti, 1974) and the main livestock species (Ciotola et al., 2004; Di Meo et al., 2000; Di Berardino et al., 1979), and to discover DNA damage caused by a variety of natural and artificial chemical compounds (Iannuzzi et al., 1990)
TCP smart framing: a segmentation algorithm to reduce TCP latency
No full textTCP Smart Framing, or TCP-SF for short, enables the Fast Retransmit/Recovery algorithms even when the congestion window is small. Without modifying the TCP congestion control based on the additive-increase/multiplicative-decrease paradigm, TCP-SF adopts a novel segmentation algorithm: while Classic TCP always tries to send full-sized segments, a TCP-SF source adopts a more flexible segmentation algorithm to try and always have a number of in-flight segments larger than 3 so as to enable Fast Recovery. We motivate this choice by real traffic measurements, which indicate that today's traffic is populated by short-lived flows, whose only means to recover from a packet loss is by triggering a Retransmission Timeout. The key idea of TCP-SF can be implemented on top of any TCP flavor, from Tahoe to SACK, and requires modifications to the server TCP stack only, and can be easily coupled with recent TCP enhancements. The performance of the proposed TCP modification were studied by means of simulations, live measurements and an analytical model. In addition, the analytical model we have devised has a general scope, making it a valid tool for TCP performance evaluation in the small window region. Improvements are remarkable under several buffer management schemes, and maximized by byte-oriented schemes
L’adjustment ratio degli interventi del terapeuta e i processi di rottura e riparazione dell’alleanza terapeutica
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Monitoring gas exchanges in artificial lungs for prolonged circulatory and respiratory support
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author-bios-SRD-19-0063.R1 – Supplemental material for The Network Structure of Police Misconduct
No full textSupplemental material, author-bios-SRD-19-0063.R1 for The Network Structure of Police Misconduct by George Wood, Daria Roithmayr and Andrew V. Papachristos in Socius</p
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