نتایج جستجو برای: agrosilvicultural systems

تعداد نتایج: 1183350  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران - دانشکده حقوق و علوم سیاسی 1388

چکیده ندارد.

Journal: :the modares journal of electrical engineering 2015
hossein kargar jafar zarei

in this study, a robust controller is designed for fuzzy network control systems (ncss) using the static output feedback. delay and data packet dropout affect on the stability of network control systems, and therefore, the asymptotic stability condition is established considering delay and data packet dropout. delay is time-varying while the lower and upper bounds for delay is defined, and the ...

Journal: :iranian journal of public health 0
s.nasseri m. shariat h. mohamadi

this survey is carried out with the major objective of studying various water treatment plants in iran. the emphasis was on the plants being fed by surface water resources; also the clarification unit was taken as the major one among treatment processes. in this way 25 water treatment plants located in different cities of iran were studied from the point of view of technical specifications chem...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران 1388

some researches made in the field of agency problem issue, deal with the role of control systems regarding owners and managers. in this research the relationship between the two control mechanisms, namely the voluntary disclosure (external control mechanism) and outside directors (internal control mechanism), which are reductive of agency problems, has been studied. for this reason, a sample ...

Journal: :مجله علوم اعصاب شفای خاتم 0
mina afhami department of biology, college of sciences, shiraz university, shiraz, iran aminollah bahaoddini department of biology, college of sciences, shiraz university, shiraz, iran mostafa saadat department of biology, college of sciences, shiraz university, shiraz, iran

the chronic exposure to elf-emf (extremely-low frequency electromagnetic field) has been shown as an effective factor at biological systems. in order to determine the possible effects of whole-body exposure to emf on plasma levels of testosterones and corticosterone, weight gain and testicular gene expression of gstt1 of male rats, the present study was performed by the following procedure: thi...

Journal: :مدیریت اطلاعات سلامت 0
اعظم السادات حسینی استادیار، مدیریت اطلاعات بهداشتی، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران. حمید مقدسی دانشیار، مدیریت اطلاعات بهداشتی، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران. معصومه نقویان کارشناس ارشد، آموزش مدارک پزشکی، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران.

introduction: oral diseases are the most prevalent diseases probable at any age. they are chronic in nature and expensive to care.  accurate, comprehensive, well-structured, well-managed data is required to control and prevent oral diseases, clinical audit, quality of patient care, and administrative, financial, research and legal goals fulfillment we need. in dentistry, data collection would p...

The Special Issue of the Journal of Information Technology Management (JITM) is publishing very selective papers on information management, technology in higher education, integrated systems, enterprise management, cultural thoughts, strategic contributions, management information systems, and cloud computing. We received numerous papers for this special issue but after an extensive pe...

Abdelaziz Aouiche Farid Bouttout Kheireddine Chafaa

The problem of disturbance rejection in the control of nonlinear systems with additive disturbance generated by some unforced nonlinear systems, was formulated and solved by {itshape Mukhopadhyay} and {itshape Narendra}, they applied the idea of increasing the order of the system, using neural networks the model of multilayer perceptron on several systems of varying complexity, so the objective...

Journal: :international journal of environmental research 2011
a. ataei k.s. lee j.j. lim m.j. kim h.b. liu

in this paper, we introduce environmental systems engineering (ese) and describe some of its applications combined with process systems engineering (pse) to problems related to environmental systems. these systems—the water cycle and ecosystem cycles—are complex and highly dynamic, with an uncertainty level comparable to that of chemical systems. to illustrate the challenges of applying pse to...

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