Results 61 to 70 of about 590 (141)

[Application and advances of nanozyme-loaded tissue engineering scaffolds in wound repair]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi, 2023
Hao RN   +6 more
europepmc   +1 more source

[In situ monitoring and regulation of local reactive oxygen species levels to promote wound repair]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi, 2022
Luo GX, Deng J.
europepmc   +1 more source

高锰酸盐—生物活性炭联用工艺除藻试验研究

open access: yesGongye shui chuli, 2011
考察了高锰酸盐预氧化—生物活性炭联用工艺去除藻类的效能。试验结果表明,高锰酸盐预氧化能明显改善混凝工艺对藻类的去除效果,随高锰酸盐投量的增加,混凝工艺对藻类的去除率呈上升趋势。生物活性炭滤池对藻类的去除主要集中在进水端,在20 cm处,去除率可达到60%。高锰酸盐—生物活性炭联用工艺对藻类及有机物有明显的去除,去除率可分别达到99.5%和20.6%。
任芝军, 马桂林, 刘桂芳, 马军
doaj   +2 more sources

有关棕釉中钙、镁、锰络合滴定法的改进

open access: yesDianci 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  

Lembrar é fácil, difícil é esquecer

open access: yesEXILIUM Revista de Estudos da Contemporaneidade
This 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
openaire   +1 more source

免烧可渗透反应墙复合材料处理含Fe/Mn酸性矿山废水

open access: yesGongye shui chuli
针对含有较高铁离子和锰离子的酸性矿山废水治理问题,开发了两级免烧可渗透反应墙(Permeable Reactive Barriers,PRB)复合材料(缓释碱性材料和氧化材料)实现对酸性矿山废水的高效处理。第一级PRB以CaCO₃粉末为基材的缓释碱性材料中和酸度,第二级PRB以锰砂为基材的氧化材料进一步去除铁锰离子。静态实验优化缓释碱性材料最佳配方为碳酸钙与水泥配比5:1、碳酸钠外掺量2.5%、发泡剂外掺量5%;氧化材料最佳配方为碳酸钙:锰砂:水泥配比10:5:5。动态实验结果显示,在进水流量18.75
王光莉   +7 more
doaj   +4 more sources

Narrar é glosar, viver é narrar

open access: yesMatraga - 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.
openaire   +3 more sources

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