نتایج جستجو برای: evans index

تعداد نتایج: 404667  

Journal: :Pacific Journal of Mathematics 1967

Journal: :British Journal of Oral and Maxillofacial Surgery 2016

Journal: :International Journal of Clinical Legal Education 2019

Journal: :Kodai Mathematical Journal 1975

Journal: :Revista Ecuatoriana de Medicina y Ciencias Biológicas 2017

Journal: :Scientific American 1897

2013
Anant Sahai

Mark Here Section Time Location GSI 1 9-10am 6 Evans Ramtin 2 10-11am 71 Evans Ramtin 3 11-12pm 71 Evans Nima 4 12-1pm 2 Evans Nima 5 1-2pm 87 Evans Sridhar 6 2-3pm 2070 VLSB Sridhar 7 3-4pm 85 Evans Chung-Wei 8 4-5pm 9 Evans Chung-Wei 9 5-6pm 9 Evans Richard 10 1-2pm 3105 Etch. Chenyu 11 2-3pm 151 Barr. Kate 12 4-5pm B51 Hilde. Richard 13 6-7pm 70 Evans Sibi 14 12-1pm 101 Wheel. Chenyu 15 4-5p...

2009
Vincent Larivière Yves Gingras Éric Archambault

This article challenges recent research (Evans, 2008) reporting that the concentration of cited scientific literature increases with the online availability of articles and journals. Using Thomson Reuters’ Web of Science, the present article analyses changes in the concentration of citations received (2and 5-year citation windows) by papers published between 1900 and 2005.Three measures of conc...

2009
Mathew A. Johnson

In this paper, we investigate the instability of one-dimensionally stable periodic traveling wave solutions of the generalized Korteweg-de Vries equation to long wavelength transverse perturbations in the generalized Zakharov-Kuznetsov equation in two space dimensions. By deriving appropriate asymptotic expansions of the periodic Evans function, we derive an index which yields sufficient condit...

Journal: :محیط زیست طبیعی 0
وحید علی جانی دانشجوی کارشناسی ارشد گروه جنگلداری و اقتصاد جنگل دانشکده منابع طبیعی دانشگاه تهران، ایران جهانگیر فقهی دانشیار گروه جنگلداری و اقتصاد جنگل دانشکده منابع طبیعی دانشگاه تهران، ایران محمود زبیری استاد گروه جنگلداری و اقتصاد جنگل دانشکده منابع طبیعی دانشگاه تهران، ایران محمدرضا مروی مهاجر استاد گروه جنگلداری و اقتصاد جنگل دانشکده منابع طبیعی دانشگاه تهران، ایران

quantifying spatial structure is one of the most important components, describing natural ecosystems and their biodiversity. in this study, a set of indices and functions related to spatial structure using 102 established plots with an area of 1000 m2 were presented. to achieve spatial structure of carpinus-fagus type, a set of indices (clark & evans, uniform angle, shannon-wiener, mingling and...

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