We have analyzed the kinematical parameters of Cir X-1 to constrain the nature of its companion star, the eccentricity of the binary and the pre-supernova parameter space. We argue that the companion is most likely to be a low-mass (∼ 2.0M⊙) unevolved star and that the eccentricity of the orbit is 0.94 ± 0.04. We have evaluated the dynamical effects of the supernova explosion and we find it mus...

Fourteen volunteers were asked to participate in an experiment, along with answering a survey, to evaluate the performance of three peripherals: the Xbox 360 Wired Controller, a keyboard, and the Rock Band Fender Stratocaster Wired Guitar Controller. The participants played a prototype made in Unity, and their accuracy scores were analyzed in R using ANOVA. However, no significant quantifiable ...

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...