نتایج جستجو برای: kna ratio

تعداد نتایج: 502147  

1998

An indicator of bypassing is a premature drop in gas-oil ratio; i.e., earlier than expected collapse of gas saturation. Early gas collapse (water fillup) may indicate that channeling has occurred. In layered reservoirs with no or little vertical crossflow, water injection in an initially depressurized layer will cause GOR to drop rapidly. Often naturally fractured reservoirs exhibit fast gas co...

2016
Janez Stare Delphine Maucort-Boulch

Odds ratio (OR) is a statistic commonly encountered in professional or scientific medical literature. Most readers perceive it as relative risk (RR), although most of them do not know why that would be true. But since such perception is mostly correct, there is nothing (or almost nothing) wrong with that. It is nevertheless useful to be reminded now and then what is the relation between the rel...

Journal: :Occupational and environmental medicine 1994
U Strömberg

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم اجتماعی و اقتصادی 1390

بررسی تطبیقی بازده حاصل از کاربرد تحلیل های تکنیکال و روش خرید و نگهداری در بورس اوراق بهادار تهران چکیده در این پژوهش بازدهی حاصل از روش های تجزیه و تحلیل تکنیکی و روش خرید و نگهداری در فرض قابل پیش بینی بودن قیمت ها و عدم وجود شکل ضعیف فرضیه بازار کارا که توسط فاما در سال 791 مطرح گردیده است ، فعالیت میکند . در این مطالعه چهار روش از پر کاربردترین و معتبر ترین روش های تحلیل تکنیکی مورد بر...

Journal: :journal of research in health sciences 0
karimollah hajian-tilaki behzad heidari arefeh hajian-tilaki alireza firouzjahi mojgan bagherzadeh

background: the superiority of either of body mass index (bmi), waist circumference (wc), waist-to-hip ratio (whr) and waist-to-height ratio (whtr) for prediction of metabolic syndrome (mets) is remained controversial in asian population. the objective of this study was to compare the discriminative capacity of either of these measures in prediction of non-adipose components of mets. methods: i...

Journal: :مجله دانشکده پزشکی دانشگاه علوم پزشکی تهران 0
غلامرضا علیائی gh oliaiy محمد اکبری m akbari حسن باقری h bagheri رویا ابوالفضل r abolfazli سعید طالبیان مقدم s talebian فریبا فتاحی f fattahi

carpal tunnel syndrome (cts) is considered by researchers because of its high prevalence, and several studies have been done to find the causes and factors which increase the chance for the syndrome. these studies have shown relationships between this syndrome with some physical parameters like wrist dimensions, weight and systemic conditions. there is no investigation on risk factors in cts in...

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