Results 21 to 30 of about 582,675 (286)

Characteristics of heavy metals and their evaluation in suspended sediments from Piracicaba river basin (São Paulo, Brazil) [PDF]

, 2010
Fluxes of the particulate heavy metals like chromium (Cr), copper (Cu), cobalt (Co), nickel (Ni), zinc (Zn) and lead (Pb) were determined along the Piracicaba River basin.
Mortatti, Jefferson, Probst, Jean-Luc
core   +3 more sources

Characteristics and degradation of organic aerosols from cooking sources based on hourly observations of organic molecular markers in urban environments [PDF]

Atmospheric Chemistry and Physics, 2023
Molecular markers in organic aerosol (OA) provide specific source information on PM2.5, and the contribution of cooking organic aerosols to OA is significant, especially in urban environments.
R. Li, R. Li, K. Zhang, K. Zhang, Q. Li, Q. Li, L. Yang, L. Yang, S. Wang, S. Wang, Z. Liu, Z. Liu, Z. Liu, X. Zhang, X. Zhang, X. Zhang, H. Chen, H. Chen, Y. Yi, Y. Yi, J. Feng, J. Feng, Q. Wang, L. Huang, L. Huang, W. Wang, W. Wang, Y. Wang, Y. Wang, J. Z. Yu, J. Z. Yu, L. Li, L. Li   +32 more
doaj   +1 more source

Explicit modeling of isoprene chemical processing in polluted air masses in suburban areas of the Yangtze River Delta region: radical cycling and formation of ozone and formaldehyde [PDF]

Atmospheric Chemistry and Physics, 2021
In recent years, ozone pollution has become one of the most severe environmental problems in China. Evidence from observations have showed increased frequency of high O3 levels in suburban areas of the Yangtze River Delta (YRD) region.
K. Zhang, K. Zhang, L. Huang, L. Huang, Q. Li, Q. Li, J. Huo, Y. Duan, Y. Wang, E. Yaluk, E. Yaluk, Y. Wang, Y. Wang, Q. Fu, L. Li, L. Li   +15 more
doaj   +1 more source

Preparation and Application of Green Sustainable Solvent Cyrene

Chemistry, 2023
The bio-based solvent dihydrolevoglucosenone (Cyrene) is a green and sustainable alternative to petroleum-based dipolar aprotic solvents. Cyrene can be prepared from cellulose in a simple two-step process and can be produced in a variety of yields ...
Yadong Wang, Mingfei Dai, Gang Luo, Jiajun Fan, James H. Clark, Shicheng Zhang   +5 more
doaj   +1 more source

Insights into toxicity of polychlorinated naphthalenes to multiple human endocrine receptors: Mechanism and health risk analysis

Environment International, 2022
This study explored the combined disruption mechanism of polychlorinated naphthalenes (PCNs) on the three key receptors (estrogen receptor, thyroid receptor, and adrenoceptor) of the human endocrine system.
Xixi Li, Wenwen Gu, Baiyu Zhang, Xiaying Xin, Qiao Kang, Min Yang, Bing Chen, Yu Li   +7 more
doaj   +1 more source

The chemistry of ultrasonic degradation of organic compounds [PDF]

, 2011
The destruction of toxic organic molecules using advanced oxidation processes (AOPs) is a potent tool for pollution control and environmental protection.
Bremner, David H., Burgess, Arthur E., Chand, Rashmi   +2 more
core   +3 more sources

Measurement report: Size-resolved particle effective density measured by an AAC-SMPS and implications for chemical composition [PDF]

Atmospheric Chemistry and Physics
The effective density (ρeff) is closely associated with the aging process and can serve as a tracer of chemical composition. Recently, studies investigating the effect of particle size on density have been limited.
Y. Song, J. Wei, W. Zhao, J. Ding, X. Pei, F. Zhang, Z. Xu, R. Shi, Y. Wei, L. Zhang, L. Jin, Z. Wang, Z. Wang   +12 more
doaj   +1 more source

Digital PCR as an Emerging Tool for Monitoring of Microbial Biodegradation

Molecules, 2020
Biodegradation of contaminants is extremely complicated due to unpredictable microbial behaviors. Monitoring of microbial biodegradation drives us to determine (1) the amounts of specific degrading microbes, (2) the abundance, and (3) expression level of
Yiqi Cao, Miao Yu, Guihua Dong, Bing Chen, Baiyu Zhang   +4 more
doaj   +1 more source

Progress in oxidative degradation and recovery of polyolefin plastics

能源环境保护, 2023
Polyolefin plastics play an important role in both production and life due to the excellent characteristics, such as east processing, low price and outstanding performance. It has become the most widely used plastics at present. The main raw materials of
LUO Xi, ZHAN Jiahui, ZHANG Shicheng*
doaj   +1 more source

The Piezocatalytic Degradation of Sulfadiazine by Lanthanum-Doped Barium Titanate

Molecules
Piezocatalysis, a heterogeneous catalytic technique, leverages the periodic electric field changes generated by piezoelectric materials under external forces to drive carriers for the advanced oxidation of organic pollutants.
Daijun Meng, Yuqi Xiang, Ziwei Yang, Hao Yuan, Liang Tang, Shiyang Li   +5 more
doaj   +1 more source