The Influences of Soluble Phosphorus on Hydration Process and Mechanical Properties of Hemihydrate Gypsum under Deep Retarding Condition
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DOI: 10.3390/ma15072680
Abstract: Phospho-gypsum is an industrial solid waste discharged from the phosphate production process. The waste includes complex impurities such as phosphoric acid and its salts, fluoride, and organics. Usually, retarders are mixed in gypsum-based building materials… read more here.
Keywords: influences soluble; process; phosphorus hydration; soluble phosphorus ... See more keywords
Agricultural Soil Phosphorus in Hungary: High Resolution Mapping and Assessment of Socioeconomic and Pedological Factors of Spatiotemporal Variability
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DOI: 10.3390/su12135311
Abstract: Over-fertilization before 1989 resulted in high phosphorus levels in agricultural soils of Hungary, but the accumulated reserves seem to have been depleted in recent decades due to under-fertilization. The aims of this study were to… read more here.
Keywords: phosphorus levels; phosphorus; soil phosphorus; 1989 2009 ... See more keywords