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搜索结果: 1-6 共查到Portland cement相关记录6条 . 查询时间(0.093 秒)
通过染料渗透+透明标本法评价白色波特兰水门汀(white Portland cement,WPC)、WPC+氧化铋(Bi2O3, BO)、WPC+氧化锆(ZrO2, ZO)、无机三氧化聚合物(mineral trioxide aggregate,MTA) 和灰色波特兰水门汀(gray Portland cement, GPC)作为根管充填材料的封闭性能。 方法 选取单根离体前磨...
In this study different brands of Ordinary Portland Cement (OPC) produced and available in Khyber Pakhtoon Khwa, Pakistan have been studied for different chemical parameters and compared with British ...
This study discusses di erent physical parameters of ordinary Portland cement (OPC) produced and available in Khyber Pakhtoon Khwa, Pakistan, and their comparison with Pakistan standards specification...
Industrial borax wastes (BWs) are formed as solid waste during the production of borax from tincal [Na2B4O5(OH)4.8H2O] in Bandrma, Turkey. These wastes cause di erent environmental problems and lead ...
This study compares the quality of different brands of Ordinary Portland Cement (OPC) available in Bangladesh. The amounts of chemical constituents like SiO2, Al2O3, Fe2O3, CaO, MgO, SO3, insoluble re...
Statement of Problem: Mineral trioxid aggregate (MTA) cement is widely used for root-end filling, pulp capping, perforation repair and other treatments in endodontics. Investigations have shown simila...

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