منابع مشابه
Wireless Sensor Networks: From the Laboratory to the Field
This paper reviews the motivation for, and the design of, an environmental monitoring system based on a network of wirelessly-linked multi-parameter sensors. This approach enables access to more comprehensive data sets in a more timely fashion and with much less effort than is currently required. The design features the tight integration of existing, low-cost sensing, computation, and wireless ...
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a Demonstrator in the same school. The rapid advance in all branches of tropical medicine has rendered inevitable the continued production of such books. The great object of Dr. Daniels' book remains as before, viz., the application of simple laboratory methods to the practice of medicine, and it aims at being of special assistance to the lonely worker in his improvised private laboratory, it m...
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Labyrinth spillways are considered as suitable and economic structures because, firstly, their discharge flow rate, under low hydraulic heads, is high, and secondly, they occupy less space. The flow over these spillways is three-dimensional and is influenced by several parameters. This study endeavors to offer a new equation for the calculation of the discharge flow of triangular labyrinth spil...
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Osteoporosis is a major health problem in the elderly. Epidemiological evidence has shown an association between tea consumption and the prevention of bone loss in the elderly population. Ingestion of green tea and green tea bioactive compounds may be beneficial in mitigating bone loss of this population and decreasing their risk of osteoporotic fractures. This review describes the effect of gr...
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ژورنال
عنوان ژورنال: Nature
سال: 1923
ISSN: 0028-0836,1476-4687
DOI: 10.1038/112011a0