نتایج جستجو برای: کانی ree
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کانسار مگنتیت- آپاتیت سه چاهون در منطقه بافق، ایران مرکزی، از دو آنومالی x و xi تشکیل شده است. هر یک از این آنومالی ها متشکل از چندین کان تن هستند. فرآیند های جانشینی و برشی شدن در مقیاس گسترده ای در این کانسار به چشم می خورد. این کانسار از نوع کانسارهای اکسید آهن-آپاتیت (ioa) است، که در آن دگرسانی های سدیک، سدیک-کلسیک، پتاسیک و دگرسانی های دما پایین (پروپیلیتیک) قابل مشاهده است. کانه زایی مگنت...
کانسارهای اکسید آهن- آپاتیت، از ذخایر مهم عناصر خاکی کمیاب به‌شمار می‌روند. کانی‌زایی عناصر خاکی کمیاب در ناحیه زنجان، همراه با کانسارهای مگنتیت- آپاتیت سرخه‌دیزج، علی‌آباد، مروارید، ذاکر، اسکند و گلستان‌آباد دیده می‌شود. این ناحیه از دید ساختاری در پهنه البرز باختری- آذربایجان و زیرپهنه طارم قرار دارد. بیشتر سنگ‌های ناحیه، مربوط به واحدهای گدازه‌ای ائوسن و شامل الیوین‌بازالت، تراکی‌آندزیت، آند...
Weight loss reduces energy expenditure, but it is unclear whether dietary macronutrient composition affects this reduction. We hypothesized that energy expenditure might be modulated by macronutrient composition of the diet. The Prevention of Obesity Using Novel Dietary Strategies (POUNDS) LOST study, a prospective, randomized controlled trial in 811 overweight/obese people who were randomized ...
Predictive equations have been specifically developed for obese patients to estimate resting energy expenditure (REE). Body composition (BC) assessment is needed for some of these equations. We assessed the impact of BC methods on the accuracy of specific predictive equations developed in obese patients. REE was measured (mREE) by indirect calorimetry and BC assessed by bioelectrical impedance ...
For many trace elements, continental margins are the location of intense exchange processes between sediment and seawater, which control their distribution in the water column, but have yet to be fully understood. In this study, we have investigated the impact of fluid seepage at cold seeps on the marine cycle of neodymium. We determined dissolved and total dissolvable (TD) concentrations for R...
BACKGROUND The purpose of this study was to examine the effects of a functional coffee beverage containing additional caffeine, green tea extracts, niacin and garcinia cambogia to regular coffee to determine the effects on resting energy expenditure (REE) and hemodynamic variables. METHODS Subjects included five male (26 +/- 2.1 y, 97.16 +/- 10.05 kg, 183.89 +/- 6.60 cm) and five female (28.8...
BACKGROUND Non-dialysed chronic kidney disease (CKD) patients may have altered resting energy expenditure (REE) because of the important metabolic functions of the kidneys. The aim of the present study was to evaluate whether REE in clinically stable, non-diabetic and non-dialysed CKD patients with no clinical signs of inflammation, was different from that of gender and age pair-matched healthy...
CONTEXT In obesity, increases in free fatty acid (FFA) flux can predict development of insulin resistance. Adult women release more FFA relative to resting energy expenditure (REE) and have greater FFA clearance rates than men. In adolescents, it is unknown whether sex differences in FFA flux occur. OBJECTIVE Our objective was to determine the associations of sex, REE, and body composition wi...
Investigators have expressed interest in the associations between resting energy expenditure (REE) and body mass for over a century. Traditionally, descriptive models using regression analysis are applied, linking REE with metabolically active compartments such as body cell mass (BCM) and fat-free body mass (FFM). Recently developed whole body magnetic resonance imaging (MRI) and echocardiograp...
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