The dehesa is a traditional agrosilvopastoral ecosystem characterized by savanna-like structure. It has been in decline since the middle of last century, particular agricultural environments where it relegated to isolated forests. This paper presents study into reduction over past 50 years. One main causes this identified as xylophagous insects, specifically wood borer Cerambyx welensii Kuster ...

unstable angina has progressive process and even in rest time, it happens frequently. it is a serious situation and 15-20 percent of patients are dying in duration of one year. treatment: patients often hospitalized because observation of their reactions to treatment is easier in hospital. treatment plan must be explain for them carefully. when patient’s situation due to anxiety is critical, be...

fuzzy control systems have had various applications in a wide range of science and engineering in recent years. since an unstable control system is typically useless and potentially dangerous, stability is the most important requirement for any control system (including fuzzy control system). conceptually, there are two types of stability for control systems: lyapunov stability (a special case ...

introduction: nowadays, the widespread distribution of hospital information systems (his) in healthcare institutions requires professional evaluation to assess the practical usefulness of these applications. nursing staff are the largest group of staff in a hospital and play an important role in the adoption and evaluation of hiss. methods: this was a descriptive, analytic, cross-sectional stud...

introduction: in spite of the vast improvement in the area of mental health care delivery in this country, very little attention has been given to the mental health registry. considering the absence of an appropriate national mental health registry system in iran, the purpose of the present study was to formulate a preliminary model for mental health registry in iran. methods: in this comparati...