Results 61 to 70 of about 368 (128)

Cyberattack‐Resilient Fractional‐Order PPI Control for Frequency Regulation in PV‐Integrated Power Systems

CAAI Transactions on Intelligence Technology, EarlyView.
ABSTRACT Load‐frequency control (LFC) comprises a primary process in interconnected electrical power systems, playing a critical role in maintaining the stability and reliability of the electrical grid. It is of paramount importance that the designed controller functions in an optimal manner, particularly with regard to the compression of area ...
Bora Çavdar, Erdinç Şahin, Fatih Mehmet Nuroğlu   +2 more
wiley   +1 more source

The MAX-DOAS network in Mexico City to measure atmospheric pollutants

Atmósfera, 2016
An instrument based on the Multi Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) technique was designed and constructed to measure scattered sunlight in the UV-visible region at different elevation angles. Slant column densities (SCDs) of specific gas absorbers such as nitrogen dioxide (NO2) and formaldehyde (HCHO) are derived from the ...
JOSUÉ ARELLANO, ARNE KRÜGER, CLAUDIA RIVERA, WOLFGANG STREMME, MARTINA M. FRIEDRICH, ALEJANDRO BEZANILLA, MICHEL GRUTTER   +6 more
openaire   +2 more sources

Retrieval of tropospheric NO₂ using the MAX-DOAS method combined with relative intensity measurements for aerosol correction [PDF]

Atmospheric Measurement Techniques, 2010
Multi-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) is a technique to measure trace gas amounts in the lower troposphere from ground-based scattered sunlight observations.
P. F. Levelt, P. Wang, P. Stammes, A. J. M. Piters, T. Vlemmix   +4 more
doaj   +1 more source

D‐amino acid oxidase as a chemogenetic tool for spatiotemporally controlled hydrogen peroxide production: The oxygen connection

British Journal of Pharmacology, EarlyView.
Abstract Background and Purpose D‐amino acid oxidase (DAO) has been developed as a chemogenetic tool, to precisely manipulate redox levels in tissues and cells by generating H2O2 in the presence of D‐amino acids. The enzyme's significant oxygen consumption during H2O2 production may influence cellular oxygen levels.
Wiebke Maurer, Anke Zieseniss, Vamsi Priya Vikram, Yamin Chen, Laura Bauer, Annette Hillemann, Peter Rehling, Maithily S. Nanadikar, Diane de Zélicourt, Vartan Kurtcuoglu, Dörthe M. Katschinski   +10 more
wiley   +1 more source

Validation of OMI HCHO Products Using MAX-DOAS observations from 2010 to 2016 in Xianghe, Beijing: Investigation of the Effects of Aerosols on Satellite Products

Remote Sensing, 2019
Formaldehyde (HCHO) is one of the most abundant hydrocarbons in the atmosphere. Its absorption features in the 320⁻360 nm range allow its concentration in the atmosphere to be retrieved from space.
Yapeng Wang, Zifeng Wang, Chao Yu, Songyan Zhu, Liangxiao Cheng, Ying Zhang, Liangfu Chen   +6 more
doaj   +1 more source

Political Partisanship and State‐Level Bank Efficiency

Financial Review, EarlyView.
ABSTRACT We examine the relationship between political partisanship and commercial bank efficiency in the United States from 1972 to 2020, assessing the persistent influence of political affiliations at the state and District of Columbia levels. Bank efficiency scores are estimated using a double‐bootstrap approach, and the analysis is conducted within
Jeremy Eng‐Tuck Cheah, Tapas Mishra, Sofia Johan, Thao Ngoc Nguyen   +3 more
wiley   +1 more source

MAX-DOAS NO₂ observations over Guangzhou, China; ground-based and satellite comparisons [PDF]

Atmospheric Measurement Techniques, 2018
In this study, the tropospheric NO2 vertical column density (VCD) over an urban site in Guangzhou megacity in China is investigated by means of MAX-DOAS measurements during a campaign from late March 2015 to mid-March 2016.
T. Drosoglou, M. E. Koukouli, N. Kouremeti, A. F. Bais, I. Zyrichidou, D. Balis, R. J. van der A, R. J. van der A, J. Xu, A. Li   +9 more
doaj   +1 more source

Vertical Redistribution of Ozone Precursor Proxies During Typhoon Peripheral Periods: Insights From MAX‐DOAS and GEOS‐Chem

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 16, 28 August 2026.
Abstract Typhoon peripheral conditions modulate the formation and atmospheric fate of ozone precursors, yet the vertical distribution and the underlying physical‐chemical drivers remain less constrained. Here, we examine the vertical profiles of ozone precursor proxies, including formaldehyde (HCHO), glyoxal (CHOCHO), and nitrogen dioxide (NO2), in the
Xicheng Li, Song Liu, Peng Zhang, Xue Zhang, Yali Li, Xingyi Wu, Jiaming Zhang, Yuchen Huang, Xiangyu Luan, Longchang Zhang, Xin Yang, Huizhong Shen, Jianhuai Ye, Chen Wang, Tzung‐May Fu, Lei Zhu   +15 more
wiley   +1 more source

Long-term continuous observations of the horizontal inhomogeneity in lower-atmospheric water vapor concentration using A-SKY/MAX-DOAS

Progress in Earth and Planetary Science
We conducted long-term (2017–2022) continuous observations of water vapor concentration in the lower atmosphere (0–1 km) over Tsukuba and Chiba, Japan, using the multi-axis differential optical absorption spectroscopy (MAX-DOAS) technique within the ...
Shunya Mizobuchi, Hitoshi Irie, Shingo Shimizu   +2 more
doaj   +1 more source

Tropospheric NO₂, SO₂, and HCHO over the East China Sea, using ship-based MAX-DOAS observations and comparison with OMI and OMPS satellite data [PDF]

Atmospheric Chemistry and Physics, 2018
In this study, ship-based multi-axis differential optical absorption spectroscopy (MAX-DOAS) measurements were performed in the East China Sea (ECS) area in June 2017.
W. Tan, C. Liu, C. Liu, C. Liu, C. Liu, S. Wang, S. Wang, C. Xing, W. Su, C. Zhang, C. Xia, H. Liu, Z. Cai, J. Liu   +13 more
doaj   +1 more source