基于某12寸半导体超纯水中试线,对超纯水系统各处理单元总有机碳(TOC)去除过程及有机组分分子质量分布情况进行了跟踪检测,探究了有机碳紫外降解(TOC-UV)装置照射强度、水力停留时间和有机物分子键能对水中典型痕量有机污染物去除效果的影响。结果表明:两级反渗透(RO)系统可去除98.5%的TOC,一级RO产水中含有97.3%分子质量低于350 u的中性小分子物质;在一定范围内提升紫外光照射强度与水力停留时间可提升对小分子有机物的去除效果,2.46 mW/cm2的185 nm紫外灯对TOC去除效果最好 ...
田宇鸣, 熊江磊, 章洪斌, 高康
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[Determination of atmospheric intermediate volatility organic compounds with thermal desorption-flow modulator comprehensive two-dimensional gas chromatography- time-of-flight mass spectrometry]. [PDF]
Wang R, Li YJ, Wang JH, Ma CW, Jiang JK.
europepmc +1 more source
[Exposures to volatile organic compounds are positively correlated with risks of metabolic dysfunction-associated steatotic liver disease]. [PDF]
Li K, Zeng W, Zhang Y, Zhu X, Guo B.
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通过土壤追施Cd ,Cu和生物有机肥,研究了重金属对红富士苹果根区微生物的危害以及生物有机肥减轻重金属对土壤微生物危害的效应。结果表明:施用生物有机肥后,果园根区土壤细菌、真菌和放线菌数量显著增加,细菌占绝对优势;土壤Cd浓度在10 30mg/kg范围内,随Cd浓度的增加,细菌数量大幅度减少;Cu元素对土壤微生物的危害情况与Cd相似,但程度比Cd轻;从生物有机肥中提取的有机质对Cd和Cu有明显的吸附作用,在pH值6~8的范围内,吸附率随pH升高而提高;在中性微酸的条件下(最适宜苹果栽培的土壤酸碱条件) ,
doaj
[Research progress on high performance liquid chromatography stationary phases based on mixed mode]. [PDF]
Li SJ, Li Z, Tang ZX, Lyu M, Wang LT.
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[Research progress of electroactivity graphene-based materials in bone repair]. [PDF]
Kang R, Yuan W, Zhu Y.
europepmc +1 more source
[Applications and challenges of ultra-high molecular weight polyethylene fibers in minimally invasive medical devices]. [PDF]
Shi S +9 more
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[Preparation of mesoporous covalent organic framework core-shell stationary phase and its application in the analysis of astragaloside Ⅳ content in <i>Astragalus</i>]. [PDF]
Zhao XY +7 more
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