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تعداد نتایج: 926556 فیلتر نتایج به سال:
background and aims. well-differentiated chondrosarcoma and enchondroma are similar in histopathologic aspects; therefore, special methods should be used to make a distinction between these benign and malignant tumors. the aim of this study was to evaluate the efficacy of a histopathologic method in the long-term follow-up for differentiating these lesions. materials and methods. the medical re...
background abortions are of major public health concern in developing countries. in settings in which abortion is highly prohibited, the direct interview is not a reliable method to estimate the abortion rate. the indirect estimation methods to measure the rate of abortion might overcome this dilemma; they are practical methods to estimate the size of the hidden group who do not agree to partic...
methods in this study, 16 skilled female gymnasts (mean age of 9.62 ± 1.45 years) were randomly categorized to two general warm-up with no stretching (ns, n=8) and general warm-up plus static stretching (ss, n=8) groups. the warm-up protocol included a 10-minute jogging, and the static stretch (ss) protocol included stretching programs on the different parts of body during four weeks, three tim...
پایداری و توسعه فضاهای سبز در گرو کسب میزان بالای بازده کاربرد آب در این فضاها است، لذا شناخت و کنترل عوامل موثر بر بازده کاربرد آب می تواند نقش موثری در بهره برداری بهینه از منابع آبی موجود داشته باشد. این تحقیق با هدف دستیابی به معیار کمی تلفات تبخیر و بادبردگی در آبپاشهای اسپری مورد استفاده در فضاهای سبز شهری و نیز بررسی اثرات عبور و مرور ماشین آلات بر تلفات مذکور انجام گرفته است. برای بررسی...
a laboratory stirred tank bioreactor with six single and dual-impeller configurations was tested to obtain the optimum operating conditions for future biological processes. six impeller combinations consisting of three basic impeller types, namely rushton turbine (rt), pitched 4blade (p4b) and pitched 2blade (p2b) downward flow were investigated in 1.77 l bioreactor working volume. power consum...
background: sperm preparation is a fundamental step in art and attempt for developing new methods to be continued. objective: to evaluate the efficacy of upstream method for separation of human spermatozoa and its effects on sperm parameters including: motility morphology and concentration. materials and methods: semen samples from 17 men who referred to infertility clinic for evaluating their ...
membrane-based technologies have increasingly been chosen in desalination processes, which is evidenced by the increase of large-scale plants constructed in recent years. indeed, several appropriate strategies should be considered to minimize problems faced during the construction, such as membrane system designs, area requirement, energy requirement, operation and maintenance, and environmenta...
transluminal balloon valvuloplasty is an alternative to surgical valvotomy for congenital pulmonary valve stenosis. the aim of this study was to evaluate the long term results (to 13.5 years) of balloon pulmonary valvuloplasty. from june 1998 to january 2012, percutaneous balloon pulmonary valvuloplasty for congenital pulmonary valve stenosis was performed in 98 patients (50 males, 48 females, ...
introduction: differentiated thyroid carcinoma (dtc) is associated with excellent prognosis and high survival rates. this study was conducted to evaluate the influence of baseline and treatment-related factors on the health related quality of life (qol) in cured dtc. methods:this study was an analytic cross-sectional study on radio-iodine (rai) treated dtc patients during 2011-2012. the data on...
intervention in early childhood development as one of the social determinants of health, is important for reducing social gap and inequity. in spite of increasingly developing intensive neonatal care wards and decreasing neonatal mortality rate, there is no follow up program in iran. this study was carreid out to design high risk infants follow up care program with the practical aim of creating...
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