نتایج جستجو برای: availability of resources
تعداد نتایج: 21180042 فیلتر نتایج به سال:
Maintenance helps to extend equipment life by improving its condition and avoiding catastrophic failures. Appropriate model or mechanism is, thus, needed to quantify system availability vis-a-vis a given maintenance strategy, which will assist in decision-making for optimal utilization of maintenance resources. This paper deals with semi-Markov process (SMP) modeling for steady state availabili...
Introduction: Education is a key element for society development. Introducing new methods of education, information and communication technology have influenced learning and teaching procedures. The aim of this study is to evaluate the infrastructures and faculty members’ preparedness of Qazvin University of Medical Sciences for implementing e-learning. Methods: In this descriptive study, a 5-...
abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...
abstract this study evaluated and compared medical terminology and english for the students of medicine (ii) as two representatives of the textbooks available on the iranian market for teaching english to the students of medicine. this research was performed on the basis of a teacher’s and a number of students’ attitudes and the students’ needs analysis for two reasons: first, to investigate...
The pain and palliative care fields are encouraged to learn about government drug control policy and to engage with their governments to examine these policies and their implementation in order to address impediments to patient access to pain management. Although pain management is a necessary part of palliative care, it is often impossible because strict national and state regulations block ac...
Abstract The Congo Basin is of global significance for biodiversity and the water carbon cycles. However, its freshwater availability distribution remain relatively unknown. Using satellite data, here we show that currently Basin’s Total Drainable Water Storage lies within a range 476 km 3 to 502 , unevenly distributed throughout region, with 63% being stored in southernmost sub-basins, Kasaï (...
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