[Determination of perfluorinated compounds, antibiotics and pesticides in drinking water by automated solid phase extraction with ultra-performance liquid chromatography-tandem mass spectrometry]. [PDF]
Liang J +6 more
europepmc +1 more source
采用Fenton试剂预处理钻井废水,研究了Fenton反应中各影响因子对废水COD去除率、BOD5/COD值的影响并分析其作用机制,确定了最佳条件,即初始pH为4•0,H2O2/Fe2+(摩尔浓度比,c∶c)=20,H2O2/COD(质量浓度比,w∶w)=1,反应时间为2h.在该条件下,废水的COD去除率约为40%,BOD5/COD值从0•002~0•003提高至0•15~0•2,可生化性得到很大提高,为后续生物处理创造了条件.紫外-可见吸收光谱分析表明 ...
莫正平, 彭娟华, 李旭东
core
[Using activity-based protein profiling method to explore the antitumor targets of spiramycin derivatives]. [PDF]
Yang RY, Feng TZ, Pei SJ, Qi H, Piao HL.
europepmc +1 more source
本实用新型公开了一种便携式水处理装置。该装置包括中空管体、容器、端盖、过滤组件与出水管道,工作状态时,将待处理水装入管体内,盖上端盖,端盖在压力作用下沿管体内壁下移,使待处理水进入过滤组件,其中一部分清水经过滤组件过滤后流入容器,另一部分浓水充盈在过滤组件中,当单向压力阀开启时经出水管道流出管体。与现有技术相比,该装置结构简单、使用方便、便于携带,实用性强,可应用于海水、河水、苦咸水、污水等的淡化 ...
薛立新 +3 more
core
[Inhibition of ferroptosis by geniposide via activation of the SIRT3 signaling pathway to alleviate inflammatory injury in endothelial cells]. [PDF]
Sun WT, Zhao MM, Shi ZL.
europepmc +1 more source
生物质煤气废水是一种新出现的高浓度氨氮有机废水。作者采用化学沉淀法去除该废水中的氨氮,研究了不同沉淀剂、pH、温度和搅拌时间对氨氮去除效果的影响。结果表明,MgCl2+Na3PO4·12H2O明显优于其他沉淀剂组合。当n(Mg^2+):n(NH4^+):n(PO4^3-)=1:1:1、pH10.0、温度30℃、搅拌时间30min时,废水中的氨氮质量浓度从处理前的222mg/L降到17mg/L,去除率为92.3%
吴创之
core
[Determination of 22 organophosphates and their metabolites and 11 phthalate metabolites in human whole blood by ultra performance liquid chromatography-tandem mass spectrometry]. [PDF]
Shi FY, Xu HY, Li JH, Xu MY.
europepmc +1 more source
4种剂型保水剂吸水和保水特性研究/Water Absorbency and Retention of 4 Kinds of Absorbent Polymers[J]
对旱宝贝保水剂(B)、植物体保水剂(D)、营养型保水剂(N)、生态功能型保水剂(L)等4种剂型保水剂的吸水与保水特性,粒径与吸水倍率关系以及冷冻对吸水和保水性的影响进行了研究。结果表明,不同剂型保水剂均具有较好的吸水性,但剂型不同,吸水特性不同。吸水过程中,L型保水剂具有明显的吸水高峰;B3和N型保水剂吸水曲线平缓,达到吸水饱和所需时间较长;吸水初期,D型保水剂的吸水速率大于B3和N型保水剂,之后则变小。同种溶液中,保水剂的吸水倍率表现为L型保水剂最大,B3和N型保水剂次之,D型保水剂最小;不同溶液中 ...
蒋进 +7 more
core
[Determination of 13 prohibited alkaloids in essential oil-based cosmetics by ultra performance liquid chromatography-tandem mass spectrometry combining QuEChERS purification]. [PDF]
Liu Z +6 more
europepmc +1 more source
[Determination of 65 synthetic cannabinoids in whole blood by QuEChERS-ultra performance liquid chromatography- mass spectrometry]. [PDF]
Xi Z +6 more
europepmc +1 more source

