نتایج جستجو برای: نقطه onset
تعداد نتایج: 200899 فیلتر نتایج به سال:
در این مقاله روشی جدید براساس حل غیرمستقیم مسئلة کنترل بهینه برای طراحی مسیر بهینة ربات فضایی شناور - آزاد، در حرکت نقطه به نقطه ارائه شده است. برای این منظور، معادلات دینامیکی سیستم در کنار قیود غیرهولونومیک ناشی از برقراری قانون بقای ممنتم زاویهای در فرم فضای حالت استخراج میشود. سپس با استفاده از قضیة اساسی حساب تغییرات، شرایط لازم بهینگی بهدست میآید. معادلات حاصل به یک مسئلة مقدار مرزی د...
background: due to lack of detailed standards of sexual maturity in individuals with intellectual, sensory and motor disability in iran and the importance of timing of onset of puberty in these individuals, a study is necessary. by knowing the onset of puberty, physiologic and behavioral changes can be traced in these people, as well as the potential impact of the puberty on the underlying dise...
abstract background: mustard gas, lethal in high doses, affects multiple organs such as skin, eye and respiratory system. we studied the development of late onset mustardinduced polyneuropathy among chemically wounded iranian veterans. methods: in this descriptive study, 100 chemically wounded iranian veterans with severe eye involvement were examined for any signs and symptoms of polyneuropath...
abstract background: as any delay in the onset of milk production and ejection in the first few days after delivery can cause breast-feeding failure, this study has been done to determine factors that may affect the onset time of lactation in vaginal and cesarean section deliveries with and without labor pain (elective). methods: 300 partujient mothers selected from two private and university h...
Objective: Temporal Lobe Epilepsy (TLE) can contribute to various emotional symptoms by damaging the temporal lobe. This study aimed at investigating emotion processing in patients with early- and late-onset TLE compared to a healthy group. Methods: In this causal-comparative study, 60 patients with diagnosed TLE were compared to 60 healthy controls to identify emotion processing styles. The d...
Background and purpose: The anxiety and birth-related biological stresses lead to delayed onset of lactogenesis stage II and early termination of breastfeeding. This study aimed to determine the effect of continuous support during labor on the onset of lactogenesis stage II in primiparas. Materials and methods This randomized clinical trial study included 80 primigravida women attending ...
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