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2021-7-22 · The fiber-reinforced specimens of group GC, GC-0.75F-15E, GC-0.75F-35E, and GC- 0.75F-50E, attained maximum loads of 729 kN, 460 kN, and 340 kN, respectively , indicating
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2015-12-5 · In focus are issues of metallurgical slag disintegration in centrifugal impact crushers. The article shows the model of material breaking in the centrifugal impact crusher chamber. The scheme of force interaction between slag particles and the crusher chamber is developed considering spread inertia load. It is found how structural parameters of crushing machines are connected with the process
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In the iron manufacturing industry, it is unavoidable to produce large volumes of blast furnace slag (BFS) as a mineral residue from the preparation of pig iron in blast furnaces as well as to discharge a high volume of carbon dioxide (CO2) gas as a result of the consumption of coke. These byproducts potenti Green Chemistry 2020 Emerging Investigators
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The critical importance of tap-hole design and management for furnace performance and longevity is explored through examining some of the specific matte, metal, and slag tapping requirements of
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2021-5-1 · This is in agreement with the analyses of the slag particles after roasting, reflecting that tiny cracks were detected on the surface of roasted slag, and the median diameter (D 50) of the slags was also smaller (11.73 μm) than that after conventional roasting (12.36 μm) [19,95]. This is in contrast to that of conventional heating where the
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2021-5-26 · A maximum crushing strength of 17.1 MPa with a minimum water absorption of 13.4% and a particle density of 1.75 g/cm 3 was observed for the LWA prepared from the sediment–slag mixture with 25% of BOF slag that meets the typical specifications of LWA, i.e., particle density of < 2.0 g/cm 3, 24-h water absorption of < 18%, and crushing
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2015-8-15 · Electric arc furnace oxidizing slag (EAFS) is a by-product of the steelmaking industry, generated after the melting and the preliminary acid refining of liquid steel. It is a stony material that is easy to crush for use as aggregate in concrete mixes. This study examines the long-term aging reactions of EAFS and its volumetric stability, to
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Resistance of alkali-activated slag concrete the GGBS content is increased up to 70%. Further increase in to alkali–aggregate reaction. Cem Concr Res 2001;31:331–4. [19] Bakharev T, Sanjayan JG, Cheng YB. Resistance of alkali-activated slag concrete GGBS
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2020-4-22 · The high slag crushing index of coarse aggregate can result in a limit slag content (20%), and the concrete strength can decrease with increasing slag rate. The lowest concrete strength of less than 30 Mpa appears when the fly ash replacement rate is 40% and the slag replacement rate is 40%. Thus, fly ash and slag cannot completely replace the
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M or ph o lo gy o f s la g pa rt i cl e s o f v a ri ou s or ig i ns. ( a , b ) F r o m t he A L TE K fu rn a ce , ( c, d) f ro m GC I, a nd (d ) fr o m t he REMETALL installation
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左主病变经桡动脉途径6F GC对吻支架术 浙江大学医学院附属邵逸夫医院 傅国胜 病史概要 ? 女性患者，56岁 ? 反复劳力性胸闷1年余，加重3天入院 ? 心血管危险因素：高血压、脂质代谢异常 ? 心电图：左室肥大伴劳损改变 ? 运动试验：阳性（广泛前壁） ?
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