نتایج جستجو برای: environmental challenges

تعداد نتایج: 646177  

Journal: :Cell 2014
Susanne C. Brink

One of the grand challenges for society is global security in food and nutrition. The ‘‘perfect storm’’ metaphor has been used by Sir John Beddington to describe the scenario that wemight be heading for, with simultaneous shortages for food, water, and energy within the foreseeable future. This Select highlights the need for a truly multipronged approach across scientific disciplines and countr...

1999
Rajan Gupta

The results for heavy-light mesons are summarized in Table 1. The results presented here are based on the same statistical sample, consisting of 102 quenched configurations at β = 6.0 with lattice size 16 × 48, as used in our study of fB and fBs [1]. The details of the NRQCD action, the evolution equation for calculating the heavy quark propagator, the method used for setting the lattice scale,...

Journal: :Socio-Environmental Systems Modelling 2020

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