منابع مشابه
The Fight for Fluoridation
THE PHYSIOLOGY OF FISHES. Volume 2, BEHAVIOR. Margaret E. Brown, Ed. New York, Academic Press Inc., 1957. xi, 526 pp. $14.00. The second volume of the series Physiology of Fishes deals with a wide variety of subjects under the common heading of Behavior. This misleading title is unfortunate, but the contents are a very pleasant surprise. Included are chapters dealing with: nerve system (central...
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Fluoridation of drinking water supply has been hailed as one of the top ten public health achievements of the twentieth century. At an optimal level of 1.0 ppm, it is considered the most costeffective, safe and efficient strategy of reducing dental decay in all social strata of the community. The anticariogenic mechanism of fluoride does not differentiate between the benefits of topical fluorid...
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this thesis is based upon the works of samuel beckett. one of the greatest writers of contemporary literature. here, i have tried to focus on one of the main themes in becketts works: the search for the real "me" or the real self, which is not only a problem to be solved for beckett man but also for each of us. i have tried to show becketts techniques in approaching this unattainable goal, base...
15 صفحه اولthe algorithm for solving the inverse numerical range problem
برد عددی ماتریس مربعی a را با w(a) نشان داده و به این صورت تعریف می کنیم w(a)={x8ax:x ?s1} ، که در آن s1 گوی واحد است. در سال 2009، راسل کاردن مساله برد عددی معکوس را به این صورت مطرح کرده است : برای نقطه z?w(a)، بردار x?s1 را به گونه ای می یابیم که z=x*ax، در این پایان نامه ، الگوریتمی برای حل مساله برد عددی معکوس ارانه می دهیم.
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ژورنال
عنوان ژورنال: American Journal of Public Health and the Nations Health
سال: 1957
ISSN: 0002-9572
DOI: 10.2105/ajph.47.9.1145-a