[Comprehensive undergraduate experiment: determination of phenylurea herbicide in tea by magnetic solid-phase extraction-high performance liquid chromatography]. [PDF]
Se PuLiu Z, Su Y, Yang DW, Li LM, Xu X.
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[Evaluation of thermal adsorption and desorption properties of dioxins on 11 adsorbents]. [PDF]
Se Pu, 2021 Wang L, Wang L, Ni Y, Zhang H, Chen J.
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, 2002 一种微波放电催化还原脱除氮氧化合物的方法，其特征在于：以CH4为还原剂；以硅铝比小于38的HZSM－5分子筛或其上担载铁为催化剂，铁的重量百分含量为1－20％；用低功率微波在催化剂床层中放电，微波输入功率为30－80W，将NOx直接转化为N2。利用本发明，可在大量氧气及低功率微波条件下，大大提高催化剂的活性，实现用CH4选择性还原NOx为N2 ...
张涛 +4 more
core
Gongye shui chuli以价格低廉、亟需大规模高值应用的煤气化细渣为载体，采用浸渍-煅烧法制备负载铁的煤气化细渣活性炭（Fe/MAC）催化剂，并以未加铁的煤气化细渣活性炭（MAC）为对照，对模拟苯酚废水进行处理实验研究。用扫描电镜（SEM）、比表面积及微孔分析仪（BET）、X射线光电子能谱仪（XPS）对催化剂进行表征，并系统研究了不同反应时间、反应温度以及催化剂投加量对苯酚去除率的影响。结果表明，通过浸渍-煅烧法将铁成功负载到了MAC上，基于Fe/MAC/H2O2非均相Fenton体系去除苯酚最佳条件为Fe ...
高宇豪 +7 more
doaj
[A case of repairing the destructive high-voltage electric burn wounds in the head, face, and neck based on the economic theory of flaps]. [PDF]
Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za ZhiGuo WL, Duan P, Ming ZG, Wei TP.
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[Adulteration identification of wheat flour in chestnut flour based on differences in mycotoxin contamination by liquid chromatography-tandem mass spectrometry]. [PDF]
Se Pu, 2022 Zhou J, Chen X, Jin M.
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[Chinese expert consensus on the diagnosis and treatment of venous thromboembolism after hematopoietic stem cell transplantation (2022)]. [PDF]
Zhonghua Xue Ye Xue Za Zhi, 2022 Chinese Society of Hematology +3 more
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本发明公开了一种大厚度周期极化铁电晶体材料的制备方法,包括：在铁电晶体材料的+z面蒸镀透明电极；将该蒸镀有透明电极的铁电晶体材料的+z面与另一铁电晶体材料的+z面进行键合,得到复合铁电晶体；在该复合铁电晶体上下两面均蒸镀金属电极,然后对蒸镀金属电极的复合铁电晶体进行极化,得到大厚度周期极化铁电晶体材料。利用本发明 ...
马传龙 +4 more
core
, 2012 利用竹炭负载铁氧化物制备了复合吸附剂,并用粉末X射线衍射对负载的铁进行了表征。通过静态吸附实验,对比研究了改性竹炭对水溶液中As(Ⅲ)和As(Ⅴ)阴离子的吸附特性。结果表明,载铁竹炭对As(Ⅲ)和As(Ⅴ)的最佳吸附pH分别为8和2。改性竹炭对砷阴离子的吸附过程可符合准二级动力。Freundlich等温方程式能很好地描述As(Ⅲ)和As(Ⅴ)在改性竹炭上的吸附。在相同初始浓度和吸附剂投加量下,改性竹炭对As(Ⅴ)的吸附量大于As(Ⅲ)
敖鸿毅, 刘剑彤, 刘喜
core
[Expert consensus on systematic assessment and treatment of refractory wounds in the elderly (2025 edition)]. [PDF]
Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za ZhiBurns and Trauma Branch of Chinese Geriatrics Society.
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