Results 51 to 60 of about 87,245 (163)
Статистика України, 2017 A balanced change in demographic processes should be considered as a prerequisite and, at the same time, as a result of the stable development of the state. Reproduction intensity depends not only on the character of demographic behavior, but also on the
Z. О. Palian, I. H. Bondarenko
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Genetic architecture of flowering phenology in cereals and opportunities for crop improvement
Frontiers in Plant Science, 2016 Cereal crop species including bread wheat (Triticum aestivum L.), barley (Hordeum vulgare L.), rice (Oryza sativa L.), and maize (Zea mays L.) provide the bulk of human nutrition and agricultural products for industrial use.
Camilla Beate Hill, Chengdao Li
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, 2018 The large variation in seed mass among species inspired a vast array of theoretical and empirical research attempting to explain this variation. So far, seed mass variation was investigated by two classes of studies: one class focuses on species varying ...
DeMalach, Niv, Kadmon, Ronen
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PlantsAfter a brief review of the concept of fertility in antiquity—from mythological, historical, religious, and artistic perspectives—this conceptual review examines the evolution of the notion of fertility in fruit growing, considering both its biological ...
Ettore Barone
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Effective Fitness Landscapes for Evolutionary Systems
, 1999 In evolution theory the concept of a fitness landscape has played an important role, evolution itself being portrayed as a hill-climbing process on a rugged landscape.
Stephens, C. R.
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Altruistic behavior pays, or the importance of fluctuations in evolutionary game theory
, 2005 Human behavior is one of the main problems for evolution, as it is often the case that human actions are disadvantageous for the self and advantageous for other people.
Cuesta, Jose A. +2 more
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A DAIRY GOAT MODEL TO STUDY THE IMPACTS ON HERD DYNAMICS
Tropical and Subtropical Agroecosystems, 2009 The understanding of a dairy goat production system is crucial to establish a more competitive activity. Therefore, a simulation model was built to evaluate the dynamics of dairy goat herd under different scenarios of production.
Vinicius Pereira Guimaraes +2 more
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PLoS ONEDue to its various uses, the dynamical system is a significant research area in the field of mathematical biology. The model is first developed by applying the usual derivative with combined recovery measures of humans as well as animals for ...
Muhammad Farman +4 more
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Ethnic differentials of the impact of Family Planning Program on contraceptive use in Nepal [PDF]
There is wide variation of family planning services use among ethnic groups in Nepal. Despite three decades of implementation the need for family planning services is substantially unmet (25%), and there have been no systematic studies evaluating the ...
Dhruba Raj Ghimire +2 more
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International Journal of Nanomedicine, 2013 Namsrai Javkhlantugs,1,2 Hexig Bayar,3 Chimed Ganzorig,1 Kazuyoshi Ueda2 1Center for Nanoscience and Nanotechnology and Department of Chemical Technology, School of Chemistry and Chemical Engineering, National University of Mongolia, Ulaanbaatar ...
Javkhlantugs N +3 more
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