نتایج جستجو برای: strip erosion types
تعداد نتایج: 536851 فیلتر نتایج به سال:
riverbank erosion, land loss and associated sedimentation are river engineering and water resources management problems of global significance. the ability to predict riverbank stability on eroding rivers is the prerequisite of developing a channel width adjustment model and is essential for estimating riverbank erosion and associated sedimentation. in this research, a detailed model for stabil...
Introduction: Wind erosion and the influx of sandy soils to economic facilities and biological resources are one of the main problems in the country. 14 provinces, located in arid and semi-arid regions, face wind erosion. Wind erosion and the influx of sandy soils are two important indicators in the occurrence of desertification and a serious threat to arid areas. The best and lasting way to pr...
Two types of high-speed twin-roll casters and a single-roll caster equipped with scraper were proposed. One the is vertical-type caster, other an unequal-diameter caster. The can cast strip at speeds up to 120 m/min. casts 60 superior point conveyance strip. A without center-line segregation 40 use copper alloy roll non-use parting material enable casting. Since loads these are smaller than 0.1...
The antiplane shear of a semi-infinite multi-layered elastic strip with traction free faces and edges subject to prescribed stress is studied. A high contrast assumed in the stiffnesses two types homogeneous isotropic layers. Explicit conditions on edge load are derived, ensuring decay components at distance order thickness. One these corresponds canonical Saint-Venant’s principle, manifesting ...
This research is aimed to predict erosion and sedimentation of Tang-e-Kenesht basin in Kermanshah province using MPSIAC and EPM models in GIS software. This basin has about 14348 hectare area. This region has various vegetation, geology and soil texture and land use types. The basin has divided into 9 sub-basins and its maximum and minimum elevations are 3300 and 1400 m, respectively. Needed da...
ABSTRACT Conservation agriculture principles applied to peanut can reduce soil erosion and production costs when cultivated in rotation with sugarcane. Still, the problem compaction is leading cause of skepticism about efficacy this practice. This research aimed study effect three management strategies compared conventional for cv. IAC-OL3, sugarcane using MEIOSI (method intercropping occurring...
Abstract Anthropogenic phosphorus (P) input from fertilised and unfertilised topsoils into surface water re-dissolution sediments can be key drivers of eutrophication. This study aimed to (1) analyse the P processes streams/rivers particularly via erosion fields (2) effectiveness riparian strip in reducing emissions diffuse sources. For investigation, Cambisol-Tschernosem Luvisol samples Loess ...
Information on soil erosion and related sedimentation processes are very important for natural resource management sustainable farming. Plenty of models available studying but only a few suitable dynamic assessments at the field-scale. To date, there no field-scale considering complex agricultural systems simulation erosion. We conducted review 51 different evaluated based their representation ...
OBJECTIVES The aim of this study is to investigate the relationship between the thickness of the roof of the glenoid fossa in the temporomandibular joint (TMJ) and the existence and types of condylar bone change. MATERIALS AND METHODS Helical CT was used to measure the thickness of the roof of the glenoid fossa at its thinnest part in 37 orthodontic patients with temporomandibular disorders. ...
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