نتایج جستجو برای: Delay

تعداد نتایج: 129985  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم پایه دامغان 1389

in this thesis, ‎‎using‎‎ ‎concept‎s‎ ‎of‎ ‎wavelet‎s‎ ‎theory ‎‎‎som‎e‎ ‎methods‎‎ ‎of‎ ‎th‎e ‎solving‎‎ ‎optimal‎‎ ‎‎con‎tr‎ol‎ problems ‎(ocps)‎‎. ‎g‎overned by time-delay systems is investigated. ‎th‎is‎ thesis contains ‎tw‎o parts. ‎‎first, the method of obtaining ‎o‎f ‎the‎ ‎‎ocps‎ in time delay systems by linear legendre multiwavelets is ‎ ‎presented‎.‎‎‎‎ the main advantage of the meth...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 0

a semi-empirical mathematical model for predicting physical part of ignition delay period in the combustion of direct - injection diesel engines with swirl is developed . this model based on a single droplet evaporation model . the governing equations , namely , equations of droplet motion , heat and mass transfer were solved simultaneously using a rung-kutta step by step unmerical method . the...

Journal: :طب و تزکیه 0

introduction: pulmonary tuberculosis is major problem worldwide and it is estimated one third the world population are already infected and each year 9 million people develop full blown tuberculosis of these 3 million die of the disease, annually. delay in diagnosis and treatment are major problems that play a significant role in all aspect of the disease from patient treatment to transmission ...

Journal: :iranian journal of child neurology 0
afshin fayyazi pediatric neurologist, assistant professor, hamaden university of medical sciences, hamadan, iran leila khezrian student of medicine, hamadan university of medical sciences, hamadan, iran zohreh kheradmand student of medicine,hamadan university of medical sciences, hamadan, iran somayeh damadi resident of otolaryngology, hamaden university of medical sciences, hamadan, iran ali khajeh pediatric neurologist, assistant professor, zahedan university of medical sciences, zahedan, iran

how to cite this article: fayyazi a, kheizrian l, kheradmand z, damadi s, khajeh a. evaluation of the young children with neurodevelopmental disability: a prospective study at hamadan university of medical sciences clinics. iran j child neurol. 2013 winter; 7 (1):29-33.   objective developmental impairment is a common problem in children health that occurs in approximately 5–10% of the childhoo...

Journal: :journal of craniomaxillofacial research 0
katayoun sargeran department of community dentistry, school of dentistry, tehran university of medical sciences, tehran, iran

introduction :  despite  recent  advances  in  treatment  of  oral  cancer,  it  still causes high rates of mortality and morbidity worldwide. delays in diagnosis and treatment of these cancers greatly affect the prognosis.  this study aimed to assess the treatment delay and its relation to diagnostic delay among oral cancer patients in tehran, iran. materials and methods : we studied 100 patie...

Journal: :archives of breast cancer 0
iraj harirchi department of surgery, tehran university of medical sciences, tehran, iran mojgan karbakhsh department of community and preventive medicine, tehran university of medical sciences, tehran, iran fatemeh hadi school of medicine, tehran university of medical sciences, tehran, iran seyyedeh sedigheh madani school of medicine, tehran university of medical sciences, tehran, iran fereydoun sirati department of surgery, tehran university of medical sciences, tehran, iran shadi kolahdoozan digestive diseases research center, shariati hospital, tehran university of medical sciences, tehran, iran

background: the purpose of this study was to compare patient delay, diagnosis delay and treatment delay in breast cancer patients of selected public and private health centers in tehran, iran. methods: in this cross-sectional study, female patients with newly diagnosed breast cancer in a public medical complex and a private breast clinic within one year were included. patient delay was consider...

Journal: :international journal of mathematical modelling and computations 0
m. nouri department of mathematics, south tehran branch, islamic azad university, tehran, iran k. maleknejad department of mathematics, iran university of science and technology, narmak, tehran, iran

this article proposes a direct method for solving three types of integral equations with time delay. by using operational matrix of integration, integral equations can be reduced to a linear lower triangular system which can be directly solved by forward substitution. numerical examples shows that the proposed scheme have a suitable degree of accuracy.

Journal: :international journal of preventive medicine 0
seyedeh sahar hosseini mehri rejali gholam reza kheirabadi roqayeh aliyari

background:the different duration of delay to first contact with a psychiatrist in depressive disordered patients has been observed in western and non western cultures. this study aimed to examine the duration and predictive factors of delay in contact with a psychiatrist in depressive patients in isfahan city of iran. methods:in this cross sectional study 156 depressive patients were recruited...

Journal: :archives of trauma research 0
lampros liasis general surgery department, northwick park hospital, london, uk; general surgery department, northwick park hospital, consultant laparoscopic general surgeon, hon senior clinical lecturer, imperial college school of medicine, watford rd, harrow, middlesex ha1 3uj, london, uk. tel: +44-7580834455 lara howells general surgery department, northwick park hospital, london, uk harry t. papaconstantinou baylor scott and white memorial hospital, temple, texas

conclusions penetrating trauma from wooden fragments provides a diagnostic challenge. a stubborn discharge from a wound must always raise the suspicion of retained fragment. early and appropriate surgical exploration is imperative. introduction in contrast with victims of major trauma, patients who suffer minor injuries receive little specialist input. in most cases, this causes no difficulty, ...

Journal: :international journal of pediatrics 0
faramarz shaahmadi savojbolagh health center, alborz university of medical sciences, karaj, iran. giti khushemehri department of health promotion and education, school of public health, tehran university of medical sciences, tehran, iran zohreh arefi school of public health, kurdistan university of medical sciences, sanandaj, iran. azimeh karimyan abadan school of medical sciences, abadan, iran. fereshteh heidari school of public health, tehran university of medical sciences, tehran, iran

introduction: over the past two decades, the incidence of cesarean section in most countries has increased.developmental delay occurs when children do not reach their developmental milestones at the expected time. the main causes of developmental delay are often unknown. investigation of the prevalence of developmental delay and its effective factors in children from 4 to 12 months old in pakda...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید