نتایج جستجو برای: bray (mb) equation

تعداد نتایج: 256472  

Journal: :تحقیقات آب و خاک ایران 0
علی عبدالهی کارشناس ارشد، دانشگاه تربیت مدرس محمدجعفر ملکوتی استاد، دانشگاه تربیت مدرس جلال قادری عضو هیات علمی، مرکز تحقیقات کشاورزی و منابع طبیعی کرمانشاه

to determine the coefficients of c1 and c in mitscherlich-bray equation, critical level and fertilizer recommendation for potassium (k) as by mitscherlich-bray (mb) equation, an experiment in a randomized complete block design of 5 treatments and 3 replications was carried out in 12 irrigated wheat (triticum aestivum l.) fields in sarpol-e-zohab region during the 2007-08 growing season. the tre...

Journal: :The Journal of experimental biology 1982
C R Taylor N C Heglund G M Maloiy

This series of four papers investigates the link between the energetics and the mechanics of terrestrial locomotion. Two experimental variables are used throughout the study: speed and body size. Mass-specific metabolic rates of running animals can be varied by about tenfold using either variable. This first paper considers metabolic energy consumed during terrestrial locomotion. New data relat...

Journal: :Physical review. E 2017
E Aurell G Del Ferraro E Domínguez R Mulet

We present an alternate method to close the master equation representing the continuous time dynamics of interacting Ising spins. The method makes use of the theory of random point processes to derive a master equation for local conditional probabilities. We analytically test our solution studying two known cases, the dynamics of the mean-field ferromagnet and the dynamics of the one-dimensiona...

1998
J.-P. Eckmann

We study slowly moving solutions of the real Ginzburg-Landau equation on the line, by a method due to J. Carr and R.L. Pego. These are functions taking alternately positive or negative values on large intervals. A consequence of our approach is that we can propose a rigorous derivation of a stochastic model of coarsening by successive elimination of the smallest interval, which was described in...

Journal: :Nature 1904

Journal: :ADLFI. Archéologie de la France - Informations 2006

Journal: :ADLFI. Archéologie de la France - Informations 2006

ژورنال: علوم آب و خاک 2000
کریمیان, نجف علی, قنبری, علی مراد , مفتون, منوچهر ,

Different Extractants have been proposed to assess available P in different soils. Olsen method is widely used to determine available P in calcareous soils of Iran. However, it has not been compared adequately with other extractants. The main objective of this experiment was to compare this procedure with some other methods. Thirty nine calcareous soil samples from Fars Province with different ...

ژورنال: علوم آب و خاک 2007
حسین شریعتمداری, , علیرضا حسین پور, ,

Hamadan province is one of the most important alfalfa (Medicago sativa) producing regions in Iran. However, little is known about P status in this region and no suitable extraction method has yet been introduced. This experiment was carried out to determine the available phosphorus by nine chemical extractants in some soils of the Hamadan region. The treatments consisted of 15 soils and 2 P lev...

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