نتایج جستجو برای: red bed

تعداد نتایج: 198742  

Journal: :Energies 2022

RM (red mud), which comes from the Bayer process, has a huge annual output and is harmful to environment. Because of high iron content in RM, process recovery can reduce amount well create economic benefits, so it promising process. The paper focuses on review research method includes physical method, chemical emerging method. By comparing advantages disadvantages these processes, concluded tha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه محقق اردبیلی - دانشکده فنی 1392

مدیریت فعال صف یکی از عناصر اساسی در طراحی مکانیزم های کنترل ازدحام در شبکه می باشد که در جهت بهره وری مناسب تر شبکه به کار گرفته می شود. الگوریتم red مهمترین الگوریتم مدیریت فعال صفی است که در مسیریاب های اینترنت پیاده سازی شده است و نقش اساسی در کارایی اینترنت دارد. نقطه ضعف اساسی red حساسیت شدید آن به تنظیم پارامترها و نوسانات طول صف آن می باشد که سبب پایین آمدن کارایی این الگوریتم می شود. د...

Journal: :journal of agricultural science and technology 2016
a. monsefi a. r. sharma n. rang zan

the effect of tillage (conventional and zero tillage), crop establishment (raised-bed and flat-bed), and weed management practices (herbicide alone and integrated approach) was studied on productivity, profitability, nutrient uptake and physico-chemical properties of soil in soybean–wheat cropping system, at new delhi during 2010–2012. sixteen treatment combinations consisting of four tillage a...

2011
Chaeshin Chu Junehawk Lee Dong Hoon Choi Seung-Ki Youn Jong-Koo Lee

OBJECTIVES Our aim was to evaluate Korea's Pandemic Influenza Preparedness Plan. METHODS We conducted a sensitivity analysis on the expected number of outpatients and hospital bed occupancy, with 1,000,000 parameter combinations, in a situation of pandemic influenza, using the mathematical simulation program InfluSim. RESULTS Given the available resources in Korea, antiviral treatment and s...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2004
masoud aghajani h. müller steinhagen mohammad jamialahmadi

the excellent performance of fluidized bed heat exchangers is due to the interaction between particles and heat transfer surface and to the mixing effects in the viscous sublayer. in this paper, the results of experimental investigations on heat transfer for a wide range of newtonian and non-newtonian (shear-thinning power law) fluids are presented. new design equations have been developed for ...

Journal: :آب و خاک 0
اسماعیلی اسماعیلی کاشفی پور کاشفی پور شفاعی بجستان شفاعی بجستان

abstract for investigating the effect of bed form in alluvial channels on the amount of bed load transport, a set of experiments was carried out in a tilting flume under unsteady flow conditions (hydrograph). the produced hydrographs were in triangular form with a maximum discharge of 30 to 45 lit/s/m. three size of sediment particles were used with equal to 1.5, 2.1 and 3.0mm, clear water with...

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