Results 131 to 140 of about 1,865,989 (385)

The Microbial Activity in PM2.5 in Indoor Air: As an Index of Air Quality Level [PDF]

open access: gold, 2020
Hanlin Chen   +5 more
openalex   +1 more source

New Onset of Fibromyalgia After Exposure to a Combat Environment: A Longitudinal Cohort Study

open access: yesArthritis Care &Research, Accepted Article.
Objective Traumatic life events are hypothesized to be triggers for the onset of fibromyalgia. Posttraumatic stress disorder (PTSD) is a common comorbidity of fibromyalgia. However, limited prospective data are available on the development of fibromyalgia after exposure to high magnitude stress.
Jay B. Higgs   +15 more
wiley   +1 more source

Comparing air quality among Italy, Germany and Poland using BC indexes [PDF]

open access: yes, 2008
In this paper we discuss air quality assessment in three Italian, German and Polish regions using the index methodology proposed in Bruno and Cocchi (2002, 2007). This analysis focuses first of all on the quality of the air in each of the countries being
Bodnar, Olha   +3 more
core  

A Q‐Learning Algorithm to Solve the Two‐Player Zero‐Sum Game Problem for Nonlinear Systems

open access: yesInternational Journal of Adaptive Control and Signal Processing, Volume 39, Issue 3, Page 566-581, March 2025.
A Q‐learning algorithm to solve the two‐player zero‐sum game problem for nonlinear systems. ABSTRACT This paper deals with the two‐player zero‐sum game problem, which is a bounded L2$$ {L}_2 $$‐gain robust control problem. Finding an analytical solution to the complex Hamilton‐Jacobi‐Issacs (HJI) equation is a challenging task.
Afreen Islam   +2 more
wiley   +1 more source

Identifikasi Kualitas Perairan Di Sungai Kahayan Dari Keberadaan Sistem Keramba Studi Kasus Sungai Kahayan Kecamatan Pahandut Kalimantan Tengah [PDF]

open access: yes, 2012
Air merupakan sumber daya alam yang memenuhi hajat hidup orang banyak sehingga perlu dilindungi agar dapat bermanfaat bagi hidup dan kehidupan manusia serta mahkluk hidup lainnya. Sungai Kahayan yang berada di Kec.
Prasetia, H. (Hafiizh)   +2 more
core  

β‐Catenin/c‐Myc Axis Modulates Autophagy Response to Different Ammonia Concentrations

open access: yesAdvanced Biology, Volume 9, Issue 3, March 2025.
Ammonia, detoxified by the liver into urea and glutamine, impacts autophagy differently at varying levels. Low ammonia activates autophagy via c‐Myc and β‐catenin, while high levels suppress it. Using Huh7 cells and Spf‐ash mice, c‐Myc's role in cytoprotective autophagy is revealed, offering insights into hyperammonemia and potential therapeutic ...
S. Sergio   +11 more
wiley   +1 more source

Determination of Tehran air quality with emphasis on air quality index (AQI) in 2008-2009

open access: yesSalāmat-i kār-i Īrān, 2010
Background and aimsIn recent years, because of excessive population growth, increasing of vehicles and developing of the industries, Tehran has been encountered with seriousenvironmental crisis, such as air pollution. So, for setting the control programs, air pollution monitoring and determination of Tehran air quality are necessaryMethodsIn the ...
M. Farzadkia, M. Kermani, S. Golbaz
openaire   +2 more sources

URBAN AIR QUALITY. A COMPARATIVE STUDY OF MAJOR EUROPEAN CAPITALS [PDF]

open access: yes
In this article, the authors made a comparative analysis of air quality in several European capitals, with the goal to identify the place occupied by Bucharest among the most polluted cities in the European Union.
Cristina ALPOPI, Sofia Elena COLESCA
core  

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