Abstract Background Beak and feather disease virus (BFDV) is an important disease causing agent affecting psittacines.BFDV is highly infectious and can present as acute, chronic or subclinical disease.The virus causes immunodeficiency and is often associated with secondary infections.No commercial vaccine is available and yields of recombinant BFDV
The purpose of this paper is to propose a scale for assessing the performance of foreign trade companies in fresh vegetable-fruit sector.As a first step, a qualitative interviews was conducted to the sample consists of the managers working in export 10mm male quartz banger 45 degree companies.As a result of the interviews major problems of exporter
There is no choice but studying and discussing the nature of man andknowing him as a source and origin of humanities in its variousbranches.One of the topics requiring contemplation and deliberation inanthropological issues is sovereignty and its relevant theories as one ofthe significant components of social life.It is particularly important toinv
The quality of the perception of nature has not been analyzed in detail in the works of Avicenna.By analyzing his theoretical principles in the analysis of perception process, it becomes clear that the phenomenon of sense in the stage of the animal soul as the source of knowledge (perception from the senses) and science (perception from reason) is
The peer-to-peer (P2P) energy trading among microgrids (MGs) can promote the renewable energy accommodation of network while maximizing the benefits of their own.However, unregulated trade behavior may cause network congestion which affect the safe and stable operation of the system.To this end, this paper proposes an effective congestion managemen