نتایج جستجو برای: 15 min

تعداد نتایج: 638096  

Journal: :Discrete Optimization 2004
Jon Lee Janny Leung François Margot

In power generation and other production settings, technological constraints force restrictions on the number of time-periods that a machine must stay up once activated, and stay down once deactivated. We characterize the polyhedral structure of a model representing these restrictions. We also describe a cutting-plane method for solving integer programs involving such min-up and min-down times ...

Journal: :Norsk antropologisk tidsskrift 2019

Journal: :Tidsskrift for Den norske legeforening 2018

Journal: :iranian journal of radiology 0
kambiz motamedi professor of radiology, david geffen school of medicine, university of california, los angeles, usa; md, university of california, director, ucla beach imaging and interventional center usa, los angeles

key features covered by this talk are, choice of transducers and needles; patient positioning; joint injections and aspirations; tendon sheath injections; cyst aspirations; biopsies.

Journal: :Circulation research 2006
Zheqing Cai Gregg L Semenza

Ischemic Preconditioning Stimulus? To the Editor: We would like to take this opportunity to respond to comments by Hausenloy et al1 regarding our recent study.2 In our study, we demonstrated that PTEN activity is modulated during cardiac ischemia/reperfusion, suggesting critical involvement of PTEN in both the induction and decay of ischemic preconditioning (IPC).2 Hausenloy et al appear more i...

2014
Peter M. Andrews Matthew Cooper Jennifer Verbesey Seyed Ghasemian Derek Rogalsky Patrick Moody Allen Chen Peter Alexandrov Hsing-Wen Wang Yu Chen

BACKGROUND Optical coherence tomography (OCT) revealed that cells lining proximal convoluted tubules of living donor kidneys (LDKs) procured by laparoscopic procedures were very swollen in response to the brief period of ischemia experienced between the time of arterial vessel clamping and flushing the excised kidney with cold preservation solution. Damage to the tubules as a result of this cel...

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