نتایج جستجو برای: 3070
تعداد نتایج: 200 فیلتر نتایج به سال:
Exploratory modelling of the impact gold mining on groundwater in a strategic water area South Africa was undertaken. A systems dynamics (SD) model developed to simulate quality, focusing contamination risk, within context competing developmental priorities around resource development and socio-economic gains from mining. The also identified interventions minimise impacts by year 2040. study Bl...
Rainbow trout, oncorhynchus mykiss is one of the most important cold water fishes in Iran. For successful artificial propagation of rainbow trout, the quality and quantity of brooders and sexual materials are key factors. In the present study, we investigated the age-dependent changes of reproductive efficiency. For this purpose, the brooders were divided into age classes and then three age gro...
Background Optimum feeding practice is the key to determine development and growth among infants young children. Dietary diversity considered an indicator assess nutritional adequacy. Objectives This study aimed factors that associated with minimum dietary types children aged 6–23 months in Indonesia. Methods Secondary data analysis was carried out for this using Indonesian Demographic Health S...
BACKGROUND To determine the change in refractive error and the incidence of myopia among school-aged children in the Yongchuan District of Chongqing City, Western China. METHODS A population-based cross-sectional survey was initially conducted in 2006 among 3070 children aged 6 to 15 years. A longitudinal follow-up study was then conducted 5 years later between November 2011 and March 2012. R...
Background—The contributions of risk factors and disease pathogenesis to heart failure with preserved ejection fraction (HFPEF) versus heart failure with reduced ejection fraction (HFREF) have not been fully explored. Methods and Results—We examined clinical characteristics and risk factors at time of heart failure onset and long-term survival in Framingham Heart Study participants according to...
BACKGROUND An observational study determining the long-term impact of chronic kidney disease (CKD) on patients undergoing percutaneous coronary intervention at a tertiary cardiac referral center. CKD is associated with poor in-hospital outcomes after percutaneous coronary intervention, but its effect beyond 1 year, particularly in the drug-eluting stent (DES) era, has not been reported. METHO...
We present Hubble Space Telescope (HST) transit observations of the Hot-Jupiter WASP-79 b acquired with Imaging Spectrograph (STIS) in near ultraviolet (NUV). Two observations, part PanCET program, are used to obtain transmission spectra planet between 2280 and 3070 Å. correct for systematic effects raw data using jitter engineering parameters polynomial modelling fit white light curves two tra...
سابقه و هدف: با توجه به شیوع متفاوت بدخیمی گردن رحم و عدم اطلاع از وضعیت آن در منطقه و به منظور تعیین سیتوپاتولوژی دهانه رحم، این تحقیق بر روی بیش از سه هزار نمونه پاپ اسمیر در زنان متاهل جنوب شهر تهران طی سال های 77-1376 انجام گرفت. مواد و روش ها: پژوهش حاضر با روش توصیفی مقطعی صورت پذیرفت و حجم نمونه براساس اطمینان 95%، شیوع 2% و میزان خطای 0.5% برآورد شد و از روی فهرست به هنگام زنان متاهل شه...
تراکم و تنوع فیتوپلانکتون ها در آب های ساحلی بندرعباس در دو فصل زمستان 1388 و بهار 1389 در 4 ایستگاه خور شیلات، بندر شهیدباهنر، خور مخابرات و سورو مورد بررسی قرار گرفت. عملیات نمونه برداری به صورت ماهانه از لایه سطحی آب انجام شد .در این مطالعه 48 جنس فیتوپلانکتونی متعلق به شاخه های دیاتومه، دینوفلاژله، سیانوفیسه و هاپتوفیسه شناسایی شدند که دیاتومه ها با 31 جنس (59/64%)، دینوفلاژله ها با 13 جنس ...
BACKGROUND The Affordable Care Act (ACA) aims to expand coverage to the uninsured, improve quality, and contain costs. The goal of this study was to ascertain how plastic surgeons perceive the ACA. METHODS An electronic questionnaire was e-mailed to members of the American Society of Plastic Surgeons between May and June 2014. The survey was anonymous and voluntary and included questions to a...
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