Results 91 to 100 of about 1,745 (185)
, 2017 本发明提供了一种镍钴锰前驱体，所述镍钴锰前驱体为由通式为NixCoyMn1-x-yM的一次颗粒和通式为M’@NixCoyMn1-x-yM的一次颗粒堆积而成的二次颗粒；其中，M为CO32-或(OH)22-；M’为成核剂；0＜x＜1；0＜y＜1；x+y＜1；所述镍钴锰前驱体的粒径为10μm～50μm。与现有技术相比，本发明提供的镍钴锰前驱体通过对共沉淀反应进行优化，有效地控制了一次颗粒的形貌、粒径和堆积效果，得到了具有较高的振实密度的二次颗粒，从而有利于锂离子电池能量密度的提升。实验结果表明 ...
夏永高 +3 more
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Lembrar é fácil, difícil é esquecer
EXILIUM Revista de Estudos da ContemporaneidadeThis article discusses Palestinian memories and exiles due to migration. Six Brazilian-Palestinian women exercise their right to narrate their experiences and record their individual memories. Connected by the Nakba, these memories are also collective.
Ashjan Sadique Adi +2 more
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, 2018 针对含锰磁铁相的还原氧化锰矿浸出效果差的问题,以云南文山示范线还原氧化锰矿、浸出尾渣为主要研究对象,考察起始酸度、浸出时间和浸出温度对锰磁铁相浸出反应的影响;在明确锰磁铁相浸出规律基础上,优化浸出工艺。结果表明,锰磁铁相在较高酸浓度梯度下,能保持较快的浸出速率;先后采用质量浓度为48.02 g/L的起始酸浸出一氧化锰相,76.44 g/L的浸出锰磁铁相的两段逆流浸出工艺,比单段浸出工艺,锰浸出率从82.31%增加到92.17%,酸耗(酸矿质量比)从0.55减少到0 ...
谢朝晖 +4 more
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Advances in macrophage-targeting nanoparticles for the diagnosis and treatment of inflammatory bowel disease. [PDF]
Zhejiang Da Xue Xue Bao Yi Xue Ban, 2023 Liu S, Xia Y, Ji F.
europepmc +1 more source
Narrar é glosar, viver é narrar
Matraga - Revista do Programa de Pós-Graduação em Letras da UERJ, 2016 O presente artigo analisa a colaboração de Dirce Côrtes Riedel para a recepção crítica de Guimarães Rosa, levando em conta a publicação de ensaios e livros dedicados à obra do autor. Acrescenta ainda o papel da intelectual na formação de professores e pesquisadores de várias universidades do país.
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, 1993 一种钯／氧化锰脱氧剂，其载体锰的氧化物中添加活性促进剂及增强剂Ａｌ２Ｏ３，ＣａＯ和ＳｉＯ２及水泥。该脱氧剂同时具有催化加氢脱氧和载体与氧反应达到脱氧的双重功能，因此其应用和适应范围宽。利用该脱氧剂在室温可使原料气进行深度脱氧（残氧是小于０．００３ｐｐｍ），单位时间处理量大（脱氧空速可大到１０５小时－１）。这种脱氧剂不但反应过程中抗水，抗毒性能好，使用寿命长，而且制备方法简单，成本低，适于工业生产中应用 ...
张俊香 +4 more
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[Developments in Research on Salivary Biomarkers in the Diagnosis of Systemic Diseases]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue Ban, 2023 Du XM, Liang XY, Zhou XD.
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Dianci bileiqi, 1980 本文介绍在钙、镁、锰共存时,用加入三乙醇胺经空气氧化为锰（Ⅲ）TEA络合物,再加盐酸羟胺定量分解,及采用了EGTA,可避免用铜试剂分离及加入氰化钾,实现了钙、镁、锰的连续测定。
罗德楚
doaj
[In situ monitoring and regulation of local reactive oxygen species levels to promote wound repair]. [PDF]
Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi, 2022 Luo GX, Deng J.
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