Zobrazeno 1 - 10
of 7 915
pro vyhledávání: '"X. Pei"'
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 5235-5246 (2024)
Single particle analysis is essential for a better understanding of the particle transformation process and to predict its environmental impact. In this study, we developed an aerosol optical tweezer (AOT) Raman spectroscopy system to investigate the
Externí odkaz:
https://doaj.org/article/db6edf77596449b0883b6aadbb7645e9
Publikováno v:
Atmospheric Measurement Techniques, Vol 16, Pp 5995-6006 (2023)
The planar differential mobility analyzer (DMA), functioning as a particle sizer, exhibits superior transmission and selection accuracy at ambient pressure relative to its cylindrical counterparts. It also presents integration potential with atmosphe
Externí odkaz:
https://doaj.org/article/9d47934cb4f74b54bc8488f7b9f59849
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 10255-10265 (2023)
The phase state and morphology of aerosol particles play a critical role in determining their effect on climate. While aerosol acidity has been identified as a key factor affecting multiphase chemistry and phase transitions, the impact of acidity on
Externí odkaz:
https://doaj.org/article/044d2c4c46e74d62935aa28d2e649c3b
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 8979-8991 (2023)
Aerosol mixing state plays an important role in heterogeneous reactions and cloud condensation nuclei (CCN) activity. Organic surfactants could affect aerosol mixing state through bulk–surface partitioning. However, the mixing state of surfactant-c
Externí odkaz:
https://doaj.org/article/1eef9f256533459baad6374da04d16b7
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 16123-16135 (2022)
Dicarboxylic acids are ubiquitous in atmospheric aerosol particles, but their roles as surfactants in cloud condensation nuclei (CCN) activity remain unclear. In this study, we investigated CCN activity of inorganic salt (sodium chloride and ammonium
Externí odkaz:
https://doaj.org/article/eb53b5c051bc42609ba888a0f5db0e67
Autor:
C. Zhang, Z. Wu, J. Chen, L. Tang, W. Zhu, X. Pei, S. Chen, P. Tian, S. Guo, L. Zeng, M. Hu, Z. A. Kanji
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 7539-7556 (2022)
Ice crystals occurring in mixed-phase clouds play a vital role in global precipitation and energy balance because of the unstable equilibrium between coexistent liquid droplets and ice crystals, which affects cloud lifetime and radiative properties,
Externí odkaz:
https://doaj.org/article/b2ae9150e1e5421c82832ba9940bc958
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 3513-3526 (2022)
Accurate particle classification plays a vital role in aerosol studies. Differential mobility analyzers (DMAs), centrifugal particle mass analyzers (CPMAs) and aerodynamic aerosol classifiers (AACs) are commonly used to select particles with a specif
Externí odkaz:
https://doaj.org/article/23bb6f305725491a9c6f14466e3bff2b
Publikováno v:
Proceedings of the International Association of Hydrological Sciences, Vol 382, Pp 559-564 (2020)
Subsidence induced by human activity and urbanization is distributed in an area or along a line. In Shanghai, China, land subsidence is distributed along the belt near a subway line. The subsidence is caused by train vibration as well as regional lan
Externí odkaz:
https://doaj.org/article/49b7e10b90e44d2091703df32dee8850
Autor:
X. Pei, M. Hallquist, A. C. Eriksson, J. Pagels, N. M. Donahue, T. Mentel, B. Svenningsson, W. Brune, R. K. Pathak
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 9845-9860 (2018)
The morphological transformation of soot particles via condensation of low-volatility materials constitutes a dominant atmospheric process with serious implications for the optical and hygroscopic properties, as well as atmospheric lifetime of the
Externí odkaz:
https://doaj.org/article/1bba08a6ee68420888c8aaeeb33004b4
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 3523-3539 (2018)
Exceedingly high levels of PM2.5 with complex chemical composition occur frequently in China. It has been speculated whether anthropogenic PM2.5 may significantly contribute to ice-nucleating particles (INP). However, few studies have focused on the
Externí odkaz:
https://doaj.org/article/9db6957b68ee45b5b67ee86d1b82cb24