West, Brown and Enquist's model of allometric scaling again: the same questions remain
نویسندگان
چکیده
منابع مشابه
Allometric scaling law questions the traditional mechanical model for axillary lymph node involvement in breast cancer.
PURPOSE To find a quantitative relationship between tumor size and frequency of axillary lymph node involvement. PATIENTS AND METHODS The frequency of axillary node involvement versus primary tumor volume was analyzed in 10 selected series of patients incorporating a total of 57,244 women with resectable breast cancer. The average number of events per unit volume resulting in tumor spread to ...
متن کاملThe perils of allometric scaling.
Dear Editor, I read with interest the paper by Chia and Aziz.1 Using allometric scaling, the authors adjusted peak oxygen uptake (VO2max) for the confounding influence of body mass and found that mass exponents differed markedly for male and female athletes. I believe the mass exponent generated for the female athletes is the suspect. In the first place, Chia regressed VO2max on body mass (Fig....
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two groups of students were assigned as experimental and control ones, and were given instruction on directed reading-thinking activities and after some treatment, they were post-tested. although the initial pre-test did not show any significant differences, the final post-test result revealed that the cooperative reading comprehension helped the experimental group. the cooperative students’...
15 صفحه اولThe Key Questions Remain Unanswered
First, we described an illustrative notional planning magnitude for each threat based on a stylized threat and risk assessment, while noting that a more comprehensive threat and risk assessments could reveal that these illustrative magnitudes were either too high or too low. Our illustrative threat assessments relied on historical data revealing observed frequencies and consequences of each thr...
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آب حاصل از بارش منبع تأمین نیازهای بی شمار جانداران به ویژه انسان است و هرگونه کاهش در کم و کیف آن مستقیماً حیات موجودات زنده را تحت تأثیر منفی قرار می دهد. نوسان سال به سال بارش از ویژگی های اساسی و بسیار مهم بارش های سالانه ایران محسوب می شود که آثار زیان بار آن در تمام عرصه های اقتصادی، اجتماعی و حتی سیاسی- امنیتی به نحوی منعکس می شود. چون میزان آب ناشی از بارش یکی از مولفه های اصلی برنامه ...
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ژورنال
عنوان ژورنال: Functional Ecology
سال: 2005
ISSN: 0269-8463,1365-2435
DOI: 10.1111/j.1365-2435.2005.01021.x