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颁布单位:[University of the Witwatersrand] |
颁布时间:1998 |
实施时间:1998 |
学科分类:[["Fracture, mechanics, --, Mathematical, models.",, "Rock, mechanics, --, Mathematical, models.",, "Underground, construction.",, "Excavation."]]
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颁布单位:[University of the Witwatersrand] |
颁布时间:1998 |
实施时间:1998 |
学科分类:[["Lightweight, concrete.",, "Aggregates, (Building, materials), --, South, Africa.",, "Perlite, --, South, Africa."]]
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颁布单位:[University of the Witwatersrand] |
颁布时间:1998 |
实施时间:1998 |
学科分类:[["Aromatic, compounds.",, "Organic, compounds.",, "Benzene, --, Biodegradation."]]
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颁布单位:[University of the Witwatersrand] |
颁布时间:1998 |
实施时间:1998 |
学科分类:[["Mine, filling, --, South, Africa.",, "Soil, consolidation.",, "Coal, ash, sites, --, South, Africa.",, "Ash, disposal, --, South, Africa.",, "Strip, mining."]]
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颁布单位:[University of the Witwatersrand] |
颁布时间:1998 |
实施时间:1998 |
学科分类:[["Blue, collar, workers, --, South, Africa, --, Job, stress.",, "Employees,, Black, --, South, Africa, --, Job, stress.",, "Labor, unions, --, South, Africa, --, Social, aspects"]]
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颁布单位:[University of the Witwatersrand] |
颁布时间:1998 |
实施时间:1998 |
学科分类:[["Metals, --, Refining.",, "Stainless, steel.",, "Ferritic, steel.",, "Slag."]]
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颁布单位:[University of the Witwatersrand] |
颁布时间:1998 |
实施时间:1998 |
学科分类:[["Women, --, Africa,, Southern, --, Economic, conditions.",, "Africa,, Southern, --, Economic, conditions",, "Women, in, development, --, Africa,, Southern."]]
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颁布单位:[University of the Witwatersrand] |
颁布时间:1998 |
实施时间:1998 |
学科分类:[["Ferritic, steel.",, "Isostatic, pressing.",, "Powder, metallurgy, --, Pressing.",, "Stainless, steel."]]
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颁布单位:[University of the Witwatersrand] |
颁布时间:1998 |
实施时间:1998 |
学科分类:[["Coal, mines, and, mining, --, Waste, dispossal.",, "Gold, mines, and, mining.",, "Coal, ash, sites."]]
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颁布单位:[University of the Witwatersrand] |
颁布时间:1998 |
实施时间:1998 |
学科分类:[["Granite.",, "Petrology.",, "Mineralogy, --, Research.",, "Physical, geology.",, "Igneous, rocks."]]