منابع مشابه
Plenty of room at the bottom.
discovered a field like low temperature, which seems to be bottomless and in which one can go down and down. Such a man is then a leader and has some temporary monopoly in a scientific adventure. Percy Bridgman, in designing a way to obtain higher pressures, opened up another new field and was able to move into it and to lead us all along. The development of ever higher vacuum was a continuing ...
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T here are many ways to think about the future of computing, but to do so successfully requires looking at previous experience and predictions. My focus here is on computing rather than computers, though the increasing power of the latter facilitates the former. For example, I have nothing to say about the future of multicore or parallel computing, except that beyond the Internet, the predictio...
متن کاملPoverty amid plenty.
Clinical handoffs are tools aimed at bridging gaps that occur during transitions in care, whether across time (eg, shift changes) or across organisational boundaries (eg, the ward to the intensive care unit). They have long been viewed as potential threats to safety and are attracting increasing attention for several reasons. First, from a control theory point of view, handoffs are inherently h...
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cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
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ژورنال
عنوان ژورنال: Bulletin of the Entomological Society of America
سال: 1963
ISSN: 0013-8754
DOI: 10.1093/besa/9.2.120a