مقالات را بر اساس عنوان، کد سند یا سال انتشار پیدا کنید و به نویسندگان و رویداد علمی مرتبط برسید.
۳,۴۷۶ مقاله پیدا شد.
در این پژوهش مدل ریاضی سه بعدی جهت توصیف شرایط گذرای حرارتی حین فرایند جوشکاری قوسی با الکترود تنگستنی، ارائه شده است این مدل قابلیت پیش بینی تغییرات…
در این تحقیق که بر روی جوش لب به لب دو ورق نازک از جنس 2 25Cr1Mo انجام گرفته، سعی شده است که توزیع درجه حرارت در زمان های مختلف تا مرحله پایدار مطالع…
در این تحقیق تاثیر عملیات حرارتی پسگرم بر فولاد زنگ نزن مارتنزیتی CA 6NM جوشکاری شده به روش تنگستن گاز با دو الکترود E410 و E410NiMo بررسی شد ابتدا ع…
جوش مقاومتی نقطه ای به دلیل سرعت بالا و قابلیت اجرای اتوماتیک در تولید انبوه، نقش بسیار مهمی در صنایع دارد پیش بینی کیفیت و مقاومت این نوع جوش از نظر…
در این مقاله با بررسی حرارت ورودی بر ریزساختار و خواص مکانیکی جوش غیرمشابه فولاد آستنیتی AISI 321 به فولاد فریتی AISI 403 به روش جوشکاری الکترود روپو…
In this paper, analysis of bursting events was performed based on fluctuating velocity in three dimensions inside the vegetated compound channel The…
In this study some experiments were performed to investigate the effect of cultivating trees at different distances from the main channel/flood plain…
Modeling suspended sediment load is an important factor in water resources engineering as it crucially affects the design and management of hydraulic…
In this research,was survied water quality of Ghezel Ozan river,for evaluation of water corrosivity and sedimentation A total of 16 samples were take…
Current morphology of mountain belts is a consequence of morphogenetic phases which affect structural geology of a region Geomorphological investigat…
In order to discussing the positive effect of polymer materials on shear strength of reinforced clay in conduits , shear tests achieve on reinforced…
Accurate prediction of maximum local scour depth at the vicinity of hydraulic structures is necessary for their safe design Most of the local scour s…
Scour at spur dikes and bridge abutments can cause damage or failure of bridges or levees and result in excessive repairs, loss of accessibility, or…
The most vital component in designing and implementing a telemetric system for monitoring the quality and quantity of water, is incorporating a centr…
In many conditions in rivers the vertical cylinders are in the bed of the river that flow passes through them These vertical cylinders like piers of…
In this paper, an introduction about Iranian national water dispatching project and its implementing plan is described In this plan optimizing the us…
Multivariate analysis of variance MANOVA was used to analyze the data obtained from this study No significant difference was shown between the concen…
This paper describes the application of statistical data in estimation of future trends and periodicity in stream flows of Zayandehrood River Assumin…
In this study, exchange flow between vegetation area and open water with exponential depth variation of density is investigated theoretically and exp…
In this paper, chaotic behavior of the daily river discharge time series from the Karoon river, during 1999 2004 is investigated The phase space, whi…
The aim of this study is to utilize the Flood water potential as an opportunity to approach IFM in the case study Flood forecasting and early warning…
Flood which causes by storms is a significant topic among the natural disasters in likely all countries Although mostly heavy falls considered as rea…
In this paper, the distribution of velocity components inside a sine generated sharp open bend has been investigated experimentally For this purpose…
The main objectives of the present research were to simulate flow over an ogee spillway by a commercial numerical model and investigate the ability o…
