Abstract Invasive insect pests are a significant and accelerating threat to agricultural productivity, they degrade wilderness areas, reduce quality of life in urban zones. Introduction biological control, the introduction, release, establishment host-specific efficacious natural enemies, is an effective management tool for permanently suppressing invasive pest populations over vast often level...

Hybrid renewable energy systems (HRES) have been introduced to overcome intermittent nature of single-source renewable energy generation. In order to utilize HRES optimally, two issues must be considered: optimal sizing and optimal operation. The first issue has been considered vastly in several articles but the second one needs more attention and work. The performance of hybrid renewable energ...

Purpose While the three lines model (TLM) provides an organizational structure to execute risk and control duties, research practice show limitations in model's implementation. These result governance issues. Such issues, together with weaknesses, could be addressed by leveraging properties of distribution, transparency, immutability blockchain technology. To this end, paper authors propose a c...

sociology is a multi-paradigm science. the main components of the paradigm include epistemic system, theoretical schools, raised patterns, research strategies, research methods and techniques, and facts under investigation. to be able to reach a satisfactory achievement, sociology has to obtain two main components, i.e. to be part of a paradigm and institutional autonomy. iranian sociology of t...