نتایج جستجو برای: surface layer

تعداد نتایج: 867682  

Siamak Jamshidi,

Abstract The study presents monthly variations of seawater properties, monitoring water column stability and stratification over the southern shelf of the Caspian Sea which depends on collecting data. Field measurements were carried out during 13 cruises along the southern boundary of the sea. Spatial and temporal distributions of temperature, salinity and density were investigated. Monthl...

Journal: :مهندسی برق مدرس 0
hadi bashiri ph.d. student, department of electrical engineering, iran, university of science and technology,tehran, iran mohammad azim karami corresponding author: assistant professor, department of electrical engineering, iran university of science and technology, tehran, shahram mohammad nejad professor, department of electrical engineering, iran university of science and technology, tehran, iran,

design and optimization of a single crystalline silicon (c-si) solar cell is performed to achieve the maximum light conversion efficiency. various parameters such as doping concentration and thicknesses, and geometrical dimension of surface pyramids are studied. the inverted surface pyramid is used to increase the efficiency of the solar cell, and engineered oxide layer is used as the passivati...

Journal: :international journal of iron & steel society of iran 2015
m. zare j. vahdati-khaki a. zabet

the reduction of fe2o3 powder at the top layer by the volatiles from high volatile (hv) bituminous coalat the bottom layer of a multilayer powder geometry including a separating alumina layer was studied.the simultaneous effects of the alumina layer thickness, time, temperature and the weight of coal onthe amount of reduction and coal devolatilization were studied by implementing a rotatable ce...

Journal: :Material Science & Engineering International Journal 2020

Journal: :international journal of iron & steel society of iran 2012
a. baibordi m. h. bina k. amini a. dehghan

in this research, tribological characteristics of ni-p electroless coating and double-layered ni-p/ni-b electroless coating were studied. for this purpose, ni-p electroless coating with 25 μm thickness was initially applied to the surface of steel ck45 samples; then, a double-layered ni-p/ni-b electroless coating, including inner layer of ni-p with 15 μm thickness and outer layer of ni-b with 1...

Solar pond technology is the easiest and the most economical system for converting and storing the solar heat energy. In this study, the effect of various parameters such as thickness of various layers, heat loss from the pond’s surface, the wall-shading effect and the pond size on the temperature of the storage zone were numerically investigated. The validity of the model is tested against exp...

Journal: :Electrochemistry 2022

This paper “Part 2: Surface Adsorption, Electric Double Layer, and Diffusion Layer” is the applicational part a continuation of 1: Fundamentals” (https://doi.org/10.5796/electrochemistry.22-66082). explains principles cyclic voltammetry on adsorption, electric double layer, diffusion layer with microelectrodes. Moreover, recent trends, such as polymer electrolyte fuel cells (PEFCs), capacitors ...

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