Results 21 to 30 of about 6,099 (151)
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT To address the demand for high‐temperature stability, broadband strong absorption, and multifunctional integration of electromagnetic wave absorbing materials in complex service environments, lightweight molybdenum disulfide (MoS2) decorated silicon carbide (SiC) nanofiber composite aerogels with a directional layered interconnected structure ...
Zhi Song +4 more
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Gongye shui chuli, 1987 根据不同情况硫酸酸性含铁废水，可用铁氧化细菌的氧化法或用硫酸还原菌来处理。铁氧化细菌法是将二价铁氧化为三价铁，三价铁水解成氢氧化铁沉淀;硫酸还原菌法是将硫酸根还原为负二价硫离子，与铁生成硫化铁沉淀，从而达到净化硫酸酸性含铁废水的目的。
陈玉莉
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Effect of Sulphide on Cutting Characteristics of Sulphur Bearing Gear Steel 20CrMnTiH
Teshugang, 2012 The cutting characteristics of common gear steel 20CrMnTiH (0. 006% S) and sulphur bearing gear steel 20CrMnTi (0. 031 % S) with different cutting speed (200 ~230 m/min) and cutting depth (0. 5 ~2 mm) have been tested and researched.
申景霞, 郑艳, 张海霞, 朱荣
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Emerging MBenes for Energy Technologies
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT The escalating global demand for sustainable energy is driving the search for transformative materials that transcend the limitations of conventional systems. Two‐dimensional (2D) transition metal borides (MBenes) have recently emerged as a compelling class, distinguished by unique electronic structures, tunable surface chemistry, and ...
Yingrui Ding +5 more
wiley +1 more source
Shuitu Baochi Xuebao, 2007 在大田条件下,研究了不同施硫水平对不同筋力类型品种植株C-N积累与转运规律和籽粒产量及蛋白质、淀粉含量的影响.结果表明,施硫处理提高了两品种成熟期单茎籽粒重和籽粒氮素的积累量和开花前营养器官贮存干物质和氮素的转运量以及转运干物质和氮素对籽粒重和籽粒氮素积累的贡献率,与不施硫对照(S0)相比,每1 hm2施20 kg纯S(S1)处理能明显提高两品种的产量构成因素,显著提高籽粒产量,两品种分别增产10.69%和9.78%,同时极显著地提高了籽粒蛋白质和淀粉含量.大量施用硫肥(100 kg/hm2 ...
沈学善 +6 more
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Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT The development of structurally stable anodes with high capacities and long cycle lives is essential for the development of potassium–ion batteries. Conversion‐type anodes have attracted considerable attention in potassium–ion batteries (PIBs) due to their high theoretical capacities.
Jeong Ho Na +7 more
wiley +1 more source
Gongye shui chuli, 2023 聚合硫酸铁（PFS）作为一种无机高分子混凝剂，较传统混凝剂具有更强的混凝和吸附能力，被广泛应用于饮用水、工业废水和生活污水的处理中。近年来，随着我国经济的快速发展和双碳理念的深入人心，混凝剂的市场需求量正在逐年增加。综述了制备聚合硫酸铁常用的催化氧化法、直接氧化法和生物氧化法3种方法，分析了常用催化剂和氧化剂的优缺点。通过分析聚合硫酸铁无机阴、阳离子改性和有机高分子改性等改性方法的最新研究进展，介绍了聚磷酸硫酸铁、聚合硫酸铁铝、聚合硫酸铁锌、钙化聚合硫酸铁、稀土镧聚合硫酸铁、聚合硫酸铁钛 ...
秦怀婷, 曾小林, 刘程琳
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Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT The electrocatalytic water splitting technique was widely taken for hydrogen evolution, due to its cost‐effectiveness and environmental friendliness. The design of electrode material as electrocatalysts play a key role in achieving high efficiency.
Yaling Zhu +5 more
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Shuitu Baochi Xuebao, 2006 为预测硫包膜控释肥施用后大量硫膜残留对土壤生态系统造成的危害，设置硫膜材料添加量不同的室内淋溶试验，以研究控释肥硫膜材料对土壤淋溶特性的影响。研究结果表明；成分和量等同于硫膜的粉状硫磺可显著改变酸性棕壤淋溶液的pH和EC值及K^＋、Na^＋、Ca^2＋、Mg^2＋、SO42-的浓度，5次淋溶累计淋失的K^＋、Na^＋、Ca^2＋、Mg^2＋、SO4^2-随粉状硫磺加入量的增加而增加。而硫包膜尿素处理除对土壤SO4^2-、K^＋淋溶影响不明显外，对其他指标的影响较明显。试验同时发现 ...
张昌爱, 张民, 陈凌霞, 李素珍
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四川大学学报. 自然科学版, 1991 研究了用间接原子吸收分光光度法测定微量S2-.在pH=4.5的含S2-溶液中,加入定量过量的Cu2+,使其形成CuS沉淀,多余的Cu2+用戊黄原酸钾配合,然后用甲基异丁基甲酮（MlBK）溶剂萃取配合物.不需分离,直接喷雾有机相溶液测定配合铜.S2-的灵敏度为0.01μg/mL/1％,变动系数2.7％.
洪正隆, 许原, 梁健, 黄梅
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