نتایج جستجو برای: challenge
تعداد نتایج: 215182 فیلتر نتایج به سال:
s:1858:"Background: Infertility is defined as inability in pregnancy after one year of regular intercourse without using contraceptive methods. Approximately15-10% of couples in childbearing appears infertile. It is the cause of infertility in men and women and infertility treatment depends on type of failure and is one of the methods of treating infertility in vitro fertilization. This researc...
Zusammenfassung Mit der Urban Challenge hat die DARPA Ende 2007 ihr erklärtes Ziel erreicht, nachzuweisen, dass autonomes Fahren prinzipiell möglich ist. In diesem Ar-tikel wird skizziert, welcher Stand tatsächlich erreicht wurde und welche Herausforderungen nun bearbeitet werden wollen. Summary Late in 2007, DARPA has conducted the Urban Challenge and achieved its declared goal, that autonomou...
This article presents the architecture of Junior, a robotic vehicle capable of navigating urban environments autonomously. In doing so, the vehicle is able to select its own routes, perceive and interact with other traffic, and execute various urban driving skills including lane changes, U-turns, parking, and merging into moving traffic. The vehicle successfully finished and won second place in...
abstract background: nursing process is a scientific approach in the provision of qualified nursing cares. however, in practice, the implementation of this process is faced with numerous challenges. with the knowledge of the challenges associated with the implementation of the nursing process, the nursing processes can be developed appropriately. due to the lack of comprehensive information on ...
Here, we present a case of a 78-year-old man that underwent gastrointestinal endoscopy because of one- monthhistory of dysphagia to liquids and solid foods with accompanying weight loss. On endoscopy, there was distalesophageal stenosis. Multiple biopsies were obtained. Histologic examination of the samples revealed normaltissue. The stenosis was treated by dilatation and abdomino pelvic comput...
objective: the aim of this study was to assess the accuracy of ovarian reserve tests, mainly basal and clomiphene stimulated follicle stimulating hormone (fsh) concentrations. materials and methods : a prospective cohort study was conductedon 120 infertile patients referring to mirza koochak khan hospital for ivffrom 2004 to 2006. all the patients underwent clomiphene citrate challenge test (cc...
abstract malaria is still the number one killer especially among young children and is responsible for one death per minute in the world. overall,between 250-500 million cases of the disease occur worldwide causing more than one million deaths annually about 90% of which in children under five years of age. although the spread of the disease is worldwide but it is seen mostly in tropical and su...
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