منابع مشابه
How Dead are Dead Links ?
Research papers usually contain a significant number of links to other resources. For the most part, they reference other printed research papers, but there are also a non-trivial number of links to resources on the World Wide Web. Unlike printed research papers, references to WWW resources may become invalid after time. The server containing the page may be taken offline, be temporarily unavai...
متن کاملDead-block prediction & dead-block correlating prefetchers
Effective data prefetching requires accurate mechanisms to predict both “which” cache blocks to prefetch and “when” to prefetch them. This paper proposes the DeadBlock Predictors (DBPs), trace-based predictors that accurately identify “when” an L1 data cache block becomes evictable or “dead”. Predicting a dead block significantly enhances prefetching lookahead and opportunity, and enables placi...
متن کاملThe effect of a pediatric heat and moisture exchanger on dead space in healthy pediatric anesthesia
BACKGROUND Heat and moisture exchangers (HME) are often used to maintain humidity of breathing circuits during anesthesia. It is also known to increase dead space ventilation in respiratory distress syndromes. However, the effect of a pediatric HME in healthy pediatric patients has not yet been clarified. The purpose of this study was to evaluate the effect of a pediatric HME on dead space in h...
متن کاملInteresting Case Dead on biopsy is not always dead
Renal infarction usually occurs in a setting of atrial fibrillation or severe renal artery stenosis. Patients with renal infarction usually present with loin pain and may mimic symptoms of acute pyelonephritis. Anuria is usually uncommon unless renal infarction occurs in the setting of a solitary kidney or severe bilateral disease. We report a case of renal artery stenosis in a solitary kidney,...
متن کاملThe brain is not dead when the cortex is dead.
To the Editor: In a recent issue of Critical Care Medicine, with interest we read the article by Dhanani et al (1), concerning vital signs after circulatory arrest following withdrawal of lifesustaining therapy. The article has timely given the persistent controversy regarding criteria of death in circulatory death organ donors. How many minutes after circulatory arrest can we consider the pati...
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ژورنال
عنوان ژورنال: Nature
سال: 1991
ISSN: 0028-0836,1476-4687
DOI: 10.1038/350662a0