Results 51 to 60 of about 79 (64)
[Occurrence and survival condition of lung cancer with different histologies among residents in Pudong new area]. [PDF]
Chen H +8 more
europepmc +1 more source
有机废弃物在水热-热解耦合过程中NO_x前驱物的释放机制研究
以城市污泥(SS)、中药药渣(HTW)和硅藻(DT)为对象,在水平管式反应器上对比研究了水热处理前后样品在热解过程中NOx前驱物的生成特征,并结合热重(TGA)和X射线光电子能谱(XPS)表征分析了该耦合过程对NOx前驱物的影响机制。结果表明,在240℃下进行水热预处理能直接或间接地影响样品燃料N在不同热解阶段时的转化路径,从而在整体层面上降低NOx前驱物的释放量,例如当热解温度为900℃时,源于水热焦燃料N的NOx前驱物为55.0%(SS240)、48.1%(HTW240)和51.2%(DT240 ...
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[Determination of 51 per- and polyfluoroalkyl substances in raw water and drinking water by online solid-phase extraction coupled with ultra performance liquid chromatography- tandem mass spectrometry]. [PDF]
Chen YY +5 more
europepmc +1 more source
[Synergistic removal of malachite green and Cr(Ⅵ) using ethylenediamine disuccinic acid functionalized silica gel]. [PDF]
Yao L +5 more
europepmc +1 more source
通过对广西壮族自治区13个地级市的城镇污水处理厂污泥进行实地采样和测定,分析了污泥中的有机质、氮、磷、钾、重金属等含量及其热值水平。结果表明,广西地区的城镇污泥中养分(有机质、氮、磷、钾)含量较高,符合农用泥质、园林绿化用泥质和林地用泥质标准;对于污泥中的重金属含量,除个别城市污泥中的Zn含量超标外,其他均无超标现象;另外,污泥热值水平较低,尚不具备开展焚烧处置的泥质条件。从目前来看 ...
刘洪涛 +10 more
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