نتایج جستجو برای: sediment thickness and thermal conditions
تعداد نتایج: 16958325 فیلتر نتایج به سال:
In this paper, longshore sediment transport in littoral zones is investigated. For investigation of sediment transport in the nearshore zone, the effects of waves, currents and topographical conditions of coast are considered. Linear wave theory was used for the investigation of the wave behaviour. Governing equations of littoral current are continuity and momentum ones. For calculating concent...
his article presents a comprehensive analysis of the thermal effects in advanced high-performance interconnect systems arising due to self-heating under various circuit conditions, including electrostatic discharge (ESD). Technology (Cu, low-k, etc.) and scaling effects on the thermal characteristics of the interconnects, and on their electromigration (EM) reliability, have been analyzed simult...
Many alluvial soils along navigable waterways are affected by disposal of dredged sediments or overbank sedimentation and contain metal concentrations that are elevated compared to baseline levels. Uptake patterns for metals and other elements by several volunteer Salix species growing on these sites were determined during a growing season in field plots and compared with the same species growi...
This research has two main components. The first component addresses the evolution of mud flows (i.e. dense gravity currents) on submarine slopes, with the goal of developing the capabilities to predict the velocity, thickness, and run-out distance of mud flows. The second component of the research involves experiments on non-channelized turbidity currents (i.e. dilute density currents) and the...
a problem of computer vision applications is to detect regions of interest under dif- ferent imaging conditions. the state-of-the-art maximally stable extremal regions (mser) detects affine covariant regions by applying all possible thresholds on the input image, and through three main steps including: 1) making a component tree of extremal regions’ evolution (enumeration), 2) obtaining region ...
asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...
Heavily polluted sediment is becoming an important part of water pollution, and this situation is particularly acute in developing countries. Sediment has gradually changed from being the pollution adsorbent to the release source and has influenced the water environment and public health. In this study, we evaluated the pollutant distribution in sediment in a heavily polluted river and agitated...
Solid-state energy conversion technologies such as thermoelectric refrigeration and power generation require materials with low thermal conductivity yet high electrical conductivity and Seebeck coefficiency. Although semiconductors are the best thermoelectric materials, they rarely have the such features. Nanostructures such as superlattices, quantum wires, and quantum dots provide novel method...
Many vapor-deposited metal-on-insulator films exhibit a morphological progression with increasing thickness consisting of several distinct stages: (1) nucleation of 3-dimensional nanocrystalline islands; (2) elongation of the islands; (3) film percolation. Here we report a study of this progression during Pulsed Laser Deposition (PLD), a technique for film deposition that differs from thermal d...
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