Results 51 to 60 of about 17,337 (198)
Rare Metals, Volume 45, Issue 7, July 2026.ABSTRACT Electromagnetic interference (EMI) shielding materials with low reflectivity are ideal materials for addressing the pollution caused by electromagnetic radiation. Ti3C2Tx MXene is widely used for EMI shielding due to its excellent conductivity.
Guirong Hu +6 more
wiley +1 more source
, 1981 本工作对钒钛磁铁矿中三种精矿粉的物相组成及还原过程进行了研究。 A、B二铁精矿的主要物相组成为磁铁矿和钛铁矿,其中网格状显微结构是钛铁晶石的氧化产物——钛铁矿和磁铁矿。在500～800℃温度范围内观察到钛铁晶石在还原过程中经过钛铁矿。钛铁矿在还原过程中若有过剩的氧化铁存在,也经过钛铁晶石。粗粒钛铁矿经过预氧化可显著改善其还原性。B矿在600 ...
石笙陶, 储绍彬
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Discursos Fotograficos, 2014 Resenha de: SILVA, Mylton Severiano da. Realidade - História da revista que virou lenda. Florianópolis: Editora Insular, 2013. 320 p.
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Functional Ecology, Volume 40, Issue 7, Page 2128-2142, July 2026.Read the free Plain Language Summary for this article on the Journal blog. Abstract Soil organic nitrogen (SON) transformation is critical for global nutrient cycling and ecosystem productivity, yet how its responsiveness to climate change differs across diverse land use types remains poorly resolved.
Xinyi Yang +10 more
wiley +1 more source
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT The surging demand for high‐performance NdFeB magnets has made it essential to achieve ultrahigh coercivity while minimizing the consumption of heavy rare earths. To tackle this challenge, this study proposes a Dy/Tb bilayer grain boundary diffusion strategy and systematically investigates the co‐diffusion behavior of Dy and Tb.
Rui Chang +7 more
wiley +1 more source
, 2016 对铬铁酸浸液除铁所得草酸亚铁进行氧气氧化?氨浸处理,回收除铁剂草酸盐并用其制备氧化铁黑颜料.考察了氨水用量、反应温度、液固比、反应时间、氧气流量、反应液p H值及晶化温度等对C2O42?浸出率和氧化铁黑质量的影响.结果表明,反应液经60℃晶化处理后,在反应温度80℃、氨水与草酸亚铁摩尔比为3、液固比5 m L/g、氧气流量0.1 L/min、p H值6.9?7.4、反应时间3 h的条件下,C2O42?的浸出接近100%,得到的氧化铁黑质量与国产722氧化铁黑产品相当.
张洋 +4 more
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, 1986 采用转移弧等离子冶金炉熔态还原钛铁矿的试验研究表明,由钛铁精矿与煤粉制成的压块,若碳的含量为氧化铁还原所需的90～100%时,它有很高的还原速率,同时渣中 FeO 的含量低于3.5%。在开发新流程时 ...
郑国梁
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Gongye shui chuli, 2009 采用烧杯试验考察了投加高铁酸钾强化混凝去除矿井水中铅、镉、铁、锰的效果。结果表明,高铁酸钾为30mg/L时,混凝沉淀对低浓度矿井水中铅、镉、铁、锰的去除率分别约为55%、28%、93%、54%;高铁酸钾对模拟高浓度矿井水中铅、镉、铁、锰的去除率随pH的升高而提高,pH8～10范围内对铅、镉、铁、锰有较好的去除效果,去除率可分别达到约95%、61%、97%和92%。处理后的矿井水中重金属含量可以达到饮用水标准,这给矿井水提供了很好的利用前景。
何文丽 +4 more
doaj +2 more sources
É a ciência artística ou a arte é científica?
Babel: Revista Eletrônica de Línguas e Literaturas Estrangeiras, 2012 A partir do fruto de um trabalho de extensão (e pesquisa), cujo fim é formar contadores de estórias em Língua Estrangeira (LE), projeto em andamento na cidade de Alagoinhas-Ba. UNEB-Campus II. Tendo escolhido o subtema: diálogo entre ciência e arte, busco discutir dos tantos diálogos possíveis contidos nessa ceára, a arte de contar estórias como meio ...
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