منابع مشابه
Emergent Properties in Small-Scale Societies
A multi-agent simulation is used to explore the relationship between the micro and the macro levels in small-scale societies. The simulation demonstrates, using an African hunter-gatherer group (the !Kung san) as a case study, the way in which population stability may arise from culturally framed, micro-level decision making by women about spacing of births. According to the simulation, populat...
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Background & Aims of the Study: Investigating and recognizing effective internal factors of organizations has always been one of the concerns in pursuit of organizational goals and to raise level of personnel’s safety, welfare and job performance. This study was aimed to evaluate psychometric characteristics of Organizational Diagnosis Questionnaire (ODQ) in small-scale industries in Hamedan pr...
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A strategy for sampling soil from intact monolith lysimeters was established based on measurements of spatial heterogeneity within the lysimeter area. This was part of an ongoing study to determine relationships between soil microbial diversity and nutrient loss by leaching. The sampling protocol had to allow for collection of soil on a regular basis (as opposed to destructive sampling) and ens...
متن کاملGeographical threshold graphs with small-world and scale-free properties.
Many real networks are equipped with short diameters, high clustering, and power-law degree distributions. With preferential attachment and network growth, the model by Barabási and Albert simultaneously reproduces these properties, and geographical versions of growing networks have also been analyzed. However, nongrowing networks with intrinsic vertex weights often explain these features more ...
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Kinematic and spectral studies are improving our knowledge of the age distribution in compact radio sources, providing evidence that small sources are generally very young. The properties of jets in objects spanning the size range from a few tens of parsecs to some kiloparsecs become then of particular interest. Because of our selection criteria and of the small scales involved, the properties ...
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ژورنال
عنوان ژورنال: Materials Today
سال: 2004
ISSN: 1369-7021
DOI: 10.1016/s1369-7021(03)00037-3