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2201
A questão social em contexto de crise e restauração neoconservadora do capitalismo
Published 2022-02-01“…Os resultados apontam para uma intervenção social com base em uma ética da responsabiliza- ção, em que a expansão da lógica do capital e da concorrência atinge aos indivíduos, pensados como capital humano, com intenção inte- gradora, da infância à velhice; de torná-los empresas de si mesmos, neutralizando as lutas de classes. …”
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2202
The effect of coal ratio on the high-lead slag reduction process
Published 2018-01-01“…First, the phase diagrams of the PbOFeO- SiO2-2%CaO-10%ZnO slag system at various temperatures and coal ratios were thermodynamically constructed. …”
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2203
Recycling of the rare earth oxides from spent rechargeable batteries using waste metallurgical slags
Published 2013-01-01“…The waste metallurgical slags, consist mainly of SiO2 and CaO, were used as the rare earth oxide absorbent. …”
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2204
Sustainable Highway Design: Disentangling the Effects of Geometric-Related and Traffic-Related Factors on Urban Highway Traffic Emissions
Published 2018-01-01“…Employing data collected from Cao'an Highway in Shanghai, China, and Traffic Software Integrated System (TSIS) as a simulation tool, this paper analyzed the effects of three geometric-related factors and one traffic-related factor on three traffic emissions (HC, CO, and NOx). …”
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2205
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2206
Hydration Properties of STS-Refining Slag-Blended Blast Furnace Slag Cement
Published 2018-01-01“…The refining process using an aluminum deoxidizer for fabricating stainless steel generated steel slag (STS-refining slag (SRS)) that contains a large amount of Al2O3 and is a compound of mainly 12CaO·7Al2O3 and 3CaO·Al2O3. When SRS was mixed with slag cement, rapid exothermic reaction occurred in the initial phase of hydration. …”
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2207
Influence of Al2O3 Content on the Melting and Fluidity of Blast Furnace Type Slag with Low TiO2 Content
Published 2018-01-01“…This work uses slag sampled on site to study the effects of changes in Al2O3 content on the fluidity of the CaO–SiO2–Al2O3–MgO–TiO2 slag system that is characterized by high Al2O3 and low TiO2 contents, as well as on the phase transition law during the cooling process. …”
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2208
Effect of Mold Flux Containing Ce2O3 on the Contents of Aluminum, Silicon, and Titanium in Incoloy825 Super Alloy
Published 2022-01-01“…Firstly, the activity model of the CaO-SiO2-Al2O3-Na2O-MgO-CaF2-Ce2O3 slag system was established according to the ion and molecule coexistence theory (IMCT), and the calculation results show that with the increase of Ce2O3 content in the mold flux, the activity of Al2O3 decreases significantly and the activity of SiO2 decreases and gradually tends to 0. …”
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2209
Modeling the viscosity of silicate melts containing manganese oxide
Published 2013-01-01“…Experimental viscosity data are reviewed for melts formed by MnO with SiO2, Al2O3, CaO, MgO, PbO, Na2O and K2O. The deviation of the available experimental data from the viscosities predicted by the model is shown to be within experimental error limits.…”
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2210
PM10 Source Identification: A Case of a Coastal City in Colombia
Published 2022-07-01“…Chemical characterization of major elements, SiO2, SO42−, MgO, and CaO, showed high spatial variation between sites. …”
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2211
Characterization and Suitability Assessment of Ameskroud Clay Deposits for Ceramic Applications
Published 2024-01-01“…Notably, yellow clay exhibits a significant CaO content exceeding 10%. At 1100°C, the clay specimens exhibit reduced water absorption rates (ranging from 9.88% to 17.1%) and enhanced mechanical performance, with compressive strengths ranging from 22.33 MPa to 36.07 MPa, attributable to the sintering process. …”
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2212
Carbon Dioxide Absorption and Release Properties of Pyrolysis Products of Dolomite Calcined in Vacuum Atmosphere
Published 2014-01-01“…The decomposition of dolomite into CaO and MgO was performed at 1073 K in vacuum and at 1273 K in an Ar atmosphere. …”
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2213
Information Communications Technology and Revenue Mobilization in Local Governments in Uganda: A Case of Mbarara District Local Government.
Published 2024“…A sample of 133 respondents constituting Mbarara District Finance Committee members, CAO, CFO, District Planner, Commercial Officer, SASs, town agents, parish chiefs, and traders was drawn from a population of 200 study subjects using simple random sampling and purposive sampling techniques. …”
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2214
Mechanical and Durable Performance of Lime-Steel Slag-Coal Gangue Mixtures Prepared by a Uniform Design Method for Pavement Base Applications
Published 2025-02-01“…The expansion effect of f-CaO in steel slag on the mixtures was investigated by water immersion. …”
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2215
Joint processing of V-bearing steelmaking slag and V-bearing black shale for vanadium and iron separation
Published 2021-01-01“…The experimental results showed that with increasing the ratio of CaO content to SiO2 content in the samples the vanadium separation efficiency first decreased, increased, and then decreased again. …”
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2216
Phenol Red Adsorption from Aqueous Solution on the Modified Bentonite
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2217
VẤN ĐỀ NỮ QUYỀN TRONG TRUYỆN DÂN GIAN NGƯỜI VIỆT
Published 2021-09-01“…Những “manh nha” này đã được văn học trung đại tiếp nhận và tiếp tục nâng cao trong văn học các giai đoạn sau.…”
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2218
Enhancement of Methane Concentration by Removing Contaminants from Biogas Mixtures Using Combined Method of Absorption and Adsorption
Published 2017-01-01“…Silica gel, sodium sulfate (Na2SO4), and calcium oxide (CaO) reduce the water vapour (H2O) and carbon dioxide (CO2). …”
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2219
Effect of olivine as MgO-bearing flux on low- and high-alumina iron ore pellets
Published 2023-01-01“…Green pellets were prepared by varying the MgO content from 0 to 1.5% with a basicity (CaO/SiO2) of 0.30. The pellets were tested for green pellet properties, cold crushing strength (CCS), and reduction degradation index (RDI) and fired at temperatures between 1300 and 1320 oC. …”
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2220
Effect of ZnO/PbO and FeOX/SiO2 ratio on the viscosity of lead smelting slags
Published 2020-01-01“…The effect of ZnO/PbO and FeOX/SiO2 on the viscosity of the PbO-ZnO-Fe3O4-SiO2-CaO slag was measured using the rotating spindle method. …”
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