[Polyamidoamine dendrimer-functionalized silica nanocomposite with polydopamine coating for dispersive micro solid-phase extraction of benzoylurea insecticides in water samples]. [PDF]
Cui X, Ma W, Lin X, Lu R, Gao H, Zhou W.
europepmc +1 more source
[Determination of trace polychlorinated biphenyls in environmental water samples by solid-phase microextraction-gas chromatography-tandem mass spectrometry using carbon nanotube composite microspheres materials]. [PDF]
Song XL +4 more
europepmc +1 more source
[Application of nanocellulose in flexible sensors]. [PDF]
Sun P, Du Y, Yuan X, Hou X, Zhao J.
europepmc +1 more source
[Effects of lunar soil simulant and Earth soil on lung injury in mice]. [PDF]
Gong X +8 more
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[Recent developments of pesticide adsorbents based on cyclodextrins]. [PDF]
Zhang J, Li P, Ma J, Jia Q.
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[Research advance of solid-phase microextraction based on covalent organic framework materials]. [PDF]
Cheng YC +8 more
europepmc +1 more source
[Advances in the development of analysis techniques for organophosphate diesters in water]. [PDF]
Chen J +8 more
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[Annual review of capillary electrophoresis technology in 2020]. [PDF]
Wei B, Ma Y, Tian W, Zhao X, Qu F.
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为了减小杆塔接地装置的占地面积,提出杆塔基础和长垂直接地体组合接地方案,为输电线路杆塔接地工程设计提供参考和依据。首先比较了传统接地装置和组合接地装置的占地面积,然后分析了各种影响因素作用下接地装置的接地电阻,最后考虑人身安全因素,得到了满足接地电阻和电位差要求的土壤电阻率范围。结果表明:组合接地方案能够满足小于2 000 Ω·m土壤环境的接地电阻要求,能够满足小于200 Ω·m土壤环境的接触电压要求。在季节性冻土地区或深层土壤电阻率较低时,宜采用组合接地装置进行杆塔接地设计。
李望增, 谭金河, 王琳
doaj
[Application of carbon dots in analysis and detection of antibiotics]. [PDF]
Chai P +6 more
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