نتایج جستجو برای: phreatic line
تعداد نتایج: 411968 فیلتر نتایج به سال:
Abstract Beach erosion phenomena have become increasingly frequent and devastating with serious economic damage on tourism. A relatively recent technique of beach protection nourishment is based the creation along shoreline an unsaturated sandy zone, in which level phreatic surface lowered by means buried drains connected to electric suction pumps. The main problem encountered this solution nee...
Groundwater contributes to the delivery of phreatic water crop aeration zones via evapotranspiration, which is important for growth in drought-prone regions. Most studies on groundwater contribution have not considered influence stage or daily evapotranspiration. In this study, a neural network based genetic algorithm and Levenberg–Marquardt backpropagation algorithm, as well formula methods an...
Flexible membranes are light structures anchored to the ground that protect infrastructures or dwellings from rock soil sliding. One alternative design these is by using numerical simulations. However, very few models were found until date and most of them in 2D do not include all their components. This paper presents development a model combining Finite Element Modelling (FEM) with Smooth Part...
objective: a number of studies have demonstrated the potential antitumor effects of saffron and its constituents on different malignant cells in vitro. it has been reported that a novel glycoconjugate isolated from corms and callus of saffron possesses cytotoxic activity against different tumor cellswith nitric oxide (no) production. these data suggest that the cytotoxic effect of saffron extra...
background: erythropoietin (epo) is a glycoprotein hormone function to regulate the production of red blood cells. deficiency of epo is known to cause anemia in chronically infected renal patients and they require regular blood transfusion. availability of recombinant epo has eliminated the need for blood transfusion and now it is extensively used for the treatment of anemia. glycosylation of e...
most of the contour detection methods suffers from some drawbacks such as noise, occlusion of objects, shifting, scaling and rotation of objects in image which they suppress the recognition accuracy. to solve the problem, this paper utilizes zernike moment (zm) and pseudo zernike moment (pzm) to extract object contour features in all situations such as rotation, scaling and shifting of object i...
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