نتایج جستجو برای: Unknown controlparameter
تعداد نتایج: 209502 فیلتر نتایج به سال:
We model a steam-boiler control system using hybrid automata. We provide two abstracted linear models of the nonlinear behavior of the boiler. For each model, we de ne and verify a controller that maintains the safe operation of the boiler. The less abstract model permits the design of a more e cient controller. We also demonstrate how the tool HyTech can be used to automatically synthesize con...
in this thesis, we consider a mathematical model of cancer with completely unknown parameters. we study the stability of critical points which are biologically admissible. then we consider a control on the system and introduce situations at which solutions are attracted to critical points and so the cancer disease has auto healing. the lyapunov stability method is used for estimating the un...
abstract this study examines the effect of teaching lexical inferencing strategies on developing reading comprehension skill of iranian advanced efl learners. participants were female students of meraj and shokouh institudes of garmsar a quasi-experimental design using two intact advanced classes of efl students at meraj and shokouh institutes. as the first step, a general toefl proficiency te...
this study investigates the effect of teacher’s repetition as an input enhancement technique in explicit teaching of vocabulary items on efl learners’ later retrieval. to this end, 66 persian speaking english learners, aged 18 - 29, homogenized through a standard proficiency test (opt), were chosen and put into two experimental and control groups, each 33 learners. general service list (gsl), a...
the iranian civil code has limited the effects of unknown condition to nullification of such condition provided that it results in ignorance with respect to consideration. the code conveys no explicit provision concerning the effect of such condition not resulting in the ignorance. unknown condition refers to a condition on which there is not complete and comprehensive knowledge. this article l...
the present research study attempted to find out the extent to which two pre-task activities of “glossary of unknown vocabulary items” and “content related support” assisted efl language learners with their performance on listening comprehension questions across two different proficiency levels (low and high). data for this study were obtained from a total of 120 language learners, female and m...
تب پاسخی پیچیده، خودمختار، عصبی و هماهنگ شده است و تقریبا در تمامی حیوانات مهره دار بخشی از واکنش سیستم ایمنی در مراحل حاد به شمار می رود. اگرچه تب در نتیجه عوامل عفونت زا و یا در بیماریهای التهابی غیر عفونی بروز می نماید، معمولا ظهورش مستقل از عامل بوجود آورنده آن رخ می دهد
although most parts of iran is free of malaria owing to appreciable struggle against this disease by the ministry of public health, in every case of fever of unknown origin (fuo) possibility of malaria should not be neglected. unjustified administration of antibiotics can delay the diagnosis because of diminishing effect in number of malaria parasites in peripheral blood. for this reason freque...
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