نتایج جستجو برای: chloride diffusion
تعداد نتایج: 248984 فیلتر نتایج به سال:
The development of cracking in concrete structures leads to significant permeability and to durability problems as a result. Approaches to controlling crack development and crack width in concrete structures have been widely debated. Recently, it was recognized that a high-performance fiber-reinforced cement composite (HPFRCC) provides a possible solution to this inherent problem of cracking by...
Chloride (from PbCl2 or CH3NH3Cl) has been reported to improve the morphology of perovskite thin film and power conversion efficiency (PCE) of corresponding perovskite solar cells (PSCs). However, the mechanism why chloride functions well in perovskite is unclear. In this work, we investigate the effects of chloric additive (from CH3NH3Cl) on the morphology, diffusion length, and trap state of ...
The prediction of the service life of concrete materials is difficult, mainly because of their complex heterogeneous microstructure and their random nature. Studying the presence of cracks in concrete and their effect on chloride transport and binding properties is of great interest in civil engineering. Cracks with different widths and depths will reduce the effective cover thickness and accel...
The recycling of waste plastics that include plastics that contain chlorine, such as polyvinyl chloride, is difficult because the chlorine leads to the corrosion of equipment. Then, the dechlorination method of waste plastics containing chlorine (CCWP) that consists of a series of melt process and hot water process was examined. CCWP was put into the melt process with coal tar (HOB) and convert...
Because of the inherent sensitivity of the dropping mercury electrode when used for the quantitative analysis of inorganic ions, the present study was undertaken to determine whether sufficient accuracy and simplicity of operation could be attained to justify its employment as a micromethod for the determination of chloride in blood. Since it was desired to work with such samples as can be conv...
Flue gas produced by biomass fuel combustion contains various chlorine-containing substances and is an important factor causing boiler corrosion. The corrosion processes of chlorine, hydrogen chloride water on iron covered with intact/damaged oxide film were investigated under the high temperature 1300 K through reactive molecular dynamics simulation. results show that diffusion oxygen chlorine...
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