recognizing the herbaceous plant species diversity could use as an importantindicator applied for the rangeland and forests management. considering the presence ofvegetation and animal husbandry in zagros region, iran, being aware of the diversity andrichness of plant species is necessary to management or the destructed vegetationrestoration. in order to study the effect of aspect and elevation...

Background Prostate cancer screening using prostate-specific antigen (PSA) testing remains controversial. Trade-offs between the potential benefits and downsides of screening must be weighed by men deciding whether to participate in prostate cancer screening; little is known about benefit:harm trade-offs men are willing to accept. Methods/Design The Community Preferences for Prostate Cancer Sc...

purpose: given that the tourism development has many effects on economic, social, cultural, tourist and environmental aspects of tourist areas, the purpose of this research is to answer the main question: what is the effect of tourism development in do-hezar dehestan on sustainable development of tourism? methodology: the research is descriptive and analytical. the research statistical populati...

In designing software systems, security is typically only one design objective among many. It may compete with other objectives such as functionality, usability, and performance. Too often, security mechanisms such as firewalls, access control, or encryption are adopted without explicit recognition of competing design objectives and their origins in stakeholder interests. Recently, there is inc...

in this article, the writer discusses the concept of modernity and its relationship with social movements, as is reflected in classical works on modernity as well as in the contemporary modern political and sociological thoughts. the purpose is not to present a quantitative analysis of the development of the concept of modernity, but to explain the relationship between modernity and political a...

The long history of reciprocal transplant studies testing the hypothesis of local adaptation has shown that populations are often adapted to their local environments. Yet many studies have not demonstrated local adaptation, suggesting that sometimes native populations are no better adapted than are genotypes from foreign environments. Local adaptation may also lead to trade-offs, in which adapt...

Opacity is a general approach for describing and unifying security properties expressed as predicates. A predicate is opaque if an observer of the system is unable to determine the satisfaction of the predicate in a given run of the system. The meaning of opacity is straightforward when considering the standard (qualitative) operational semantics, but there are a number of possible interpretati...