نتایج جستجو برای: samani method
تعداد نتایج: 1630202 فیلتر نتایج به سال:
Detention rockfill dams are an easy and common tool for flood control. Due to their coarse pores, the flow in void spaces is turbulent and non-Darcy. Different relationships introduced by researchers are used to define the hydraulics of the flow within the rockfill materials. The present research is aimed at gaining a better understanding of the difference among these relationships and the sour...
Guardiola, M; Cooper, JA; Palmen, J; Hubacek, JA; Carruthers, KF; Horne, BD; Brunisholz, KD; Mega, JL; van Iperen, EP; Li, M; Leusink, M; Trompet, S; Verschuren, JJ; Hovingh, GK; Dehghan, A; Nelson, CP; Kotti, S; Danchin, N; Scholz, M; Haase, CL; Rothenbacher, D; Swerdlow, DI; Kuchenbaecker, KB; Staines-Urias, E; Goel, A; Hooft, FV; Gertow, K; de Faire, U; Panayiotou, AG; Tremoli, E; Baldassarr...
hydrochlorothiazide (hct) is a diuretic agent which is shown to be effective in the treatment of hypertension. literature reports have demonstrated that urinary excretion data may be used to assess the bioavailability of various formulations containing this thiazide. also hct consumption by the athletes is one of the drugs which should be regulated by world anti-doping agency (wada), because of...
the purpose of the present study was to investigate the effect of task-based instruction of vocabulary on the receptive and oral productive acquisition of english vocabulary and compare the results with those obtained from the traditional method. the method and procedure applied in this study was as follows: after the implementation of opt, a group of sixty female students were chosen. the stu...
abstract this study is an attempt to determine the effect of nano- technology education on science lesson for fifth grade in primary school in the city of kermanshah. this research is experimental and is conducted in the from of pre-test and post- test for the control group. an achievement test was administered to determine the rate of learning in the students. the research is an applied one. ...
Abstract The Penman-Monteith equation is recommended for the estimation of reference evapotranspiration (ETo). However, it requires meteorological data that are commonly unavailable. Thus, this study evaluates artificial neural network (ANN), multivariate adaptive regression splines (MARS), and original calibrated Hargreaves-Samani (HS) temperature (PMT) equations daily ETo using temperature. T...
Solar radiation, which is used in hydrological modeling, agricultural, solar energy systems, and climatological studies, the most important element of reaching earth. The present study compared, performance two empirical equations -Angstrom Hargreaves-Samani equations- and, three machine learning models -Artificial Neural Networks (ANN), Support Vector Machine (SVM), Long Short-Term Memory (LST...
This study was designed to investigate the possibility of using the surface energy balance algorithm for land (SEBAL) and mapping evapotranspiration at high resolution with internalized calibration (METRIC) models to estimate evapotranspiration (ET) in Shahrekord plain (Chaharmahal va Bakhtiari province, Iran). Two sets of Landsat ETM+ data dated June 30th and August 21st, 1999 were provi...
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