نتایج جستجو برای: production stability

تعداد نتایج: 891551  

Journal: :Journal of the Society of Materials Science, Japan 1990

Journal: :Regional Environmental Change 2021

Abstract Stabilizing agricultural production is fundamental to food security. At the national level, increasing effective diversity of cultivated crops has been found increase temporal stability, i.e., year-to-year stability total caloric all combined. Here, we specifically investigated these effects at regional level for European Union and tested effect crop in relation inputs, soil properties...

Journal: :Discrete and Continuous Dynamical Systems 2021

This paper deals with a fully parabolic inter-species chemotaxis-competition system indirect signal production \begin{document}$ \begin{eqnarray*} \label{1a} \left\{ \begin{split}{} &u_{t} = \text{div}(d_{u}\nabla u+\chi u\nabla w)+\mu_{1}u(1-u-a_{1}v), &(x,t)\in \Omega\times (0,\infty), \\ &v_{t} d_{v}\Delta v+\mu_{2}v(1-v-a_{2}u), & w_{t} d_{w}\Delta w-\lambda w+\alpha v, \end...

Journal: :International Journal of Science and Engineering Applications 2016

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