Search alternatives:
source » sources (Expand Search)
Showing 1 - 20 results of 664 for search 'need source (variation OR variations)', query time: 0.17s Refine Results
  1. 1
  2. 2
  3. 3

    Ambient PM2.5 Temporal Variation and Source Apportionment in Mbarara, Uganda by Silver Onyango, Crystal M. North, Hatem A. Ellaithy, Paul Tumwesigye, Choong-Min Kang, Vasileios Matthaios, Martin Mukama, Nuriat Nambogo, J. Mikhail Wolfson, Stephen Ferguson, Stephen Asiimwe, Lynn Atuyambe, Data Santorino, David C. Christiani, Petros Koutrakis

    Published 2024-01-01
    “…Our findings confirm that air quality in southwestern Uganda is unsafe and that mitigation efforts are urgently needed. Ongoing work focused on improving air quality in the region may have the greatest impact if focused on traffic and biomass-related sources.…”
    Get full text
    Article
  4. 4
  5. 5

    Monitoring Time Variations in Seismic Noise Amplitude at Permanent Seismic Networks by Jordi Diaz, José-Antonio Jara, Pilar Sánchez-Pastor, Tanit Frontera, Helena Seivane, Samuel Jorde, Thomas Lecocq

    Published 2025-04-01
    “…These results do not make possible a quick estimation of temporal variations that can result from non-continuous sources of noise, meteorologic phenomena, etc. …”
    Get full text
    Article
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10

    Multi-matrix contamination by cyclic and linear siloxanes in a highly industrialized estuarine environment of Korea: source identification, seasonal variation, and bioaccumulation... by Wenming Chen, Sunggyu Lee, Hyun-Kyung Lee, Moonjin Lee, Hyo-Bang Moon

    Published 2025-07-01
    “…To better understand their fate and ecological risks in estuarine environments, this study investigated spatial distribution, seasonal variations, and the bioaccumulation potential of siloxanes in surface water, sediment, and in benthic organisms in an industrialized bay of Korea. …”
    Get full text
    Article
  11. 11

    Analysis of PM<sub>2.5</sub> Pollution Transport Characteristics and Potential Sources in Four Chinese Megacities During 2022: Seasonal Variations by Kun Mao, Yuan Yao, Kun Wang, Chen Liu, Guangmin Tang, Shumin Feng, Yue Shen, Anhua Ju, Hao Zhou, Zhiyu Li

    Published 2024-12-01
    “…The Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) was applied to analyze the seasonal spatial variations, transport pathways, and potential sources of PM<sub>2.5</sub> concentrations across China’s four megacities: Beijing, Shanghai, Xi’an, and Chengdu. …”
    Get full text
    Article
  12. 12

    Microbial metabolites as engines of behavioral variation across animals by Eric Siaw Ntiri, Adam Chun Nin Wong

    Published 2025-12-01
    “…Additionally, we highlight critical gaps in mechanistic understanding, including the need to map additional host receptors and signaling pathways, as well as the untapped potential of microbial biosynthetic gene clusters as sources for novel bioactive compounds. …”
    Get full text
    Article
  13. 13

    Spatial variation of feature density in multiscale topographic data by T. E. Samsonov, O. P. Yakimova, D. A. Potemkin, O. A. Guseva

    Published 2023-04-01
    “…Since topographic database LoDs are derived using different data sources and generalization techniques, there is a need for a method that can help with automated evaluation of resulting feature density in terms of its appropriateness for the specified location and level of detail. …”
    Get full text
    Article
  14. 14

    Variation in Corticosteroid Prescribing Practices for Patients With Septic Shock by Kanupriya Soni, MD, John S. Minturn, Billie S. Davis, PhD, Leigh A. Bukowski, MPH, Jeremy M. Kahn, MD, MSc, Ian J. Barbash

    Published 2025-03-01
    “…OBJECTIVES:. Understanding sources of variation in acute care delivery may inform targeted strategies to promote evidence-uptake. …”
    Get full text
    Article
  15. 15

    Progress and Challenges in Morphodynamics of Braided Rivers in Source Region of Yangtze River by LI Zhi-wei, OUYANG Wei-qi

    Published 2025-08-01
    “…[Objective] This study focuses on morphodynamic evolution of braided rivers in the Source Region of the Yangtze River (SRYR), a representative high-altitude fluvial system on the Qinghai-Xizang Plateau. …”
    Get full text
    Article
  16. 16

    Characterization of human lightness discrimination thresholds for independent spectral variations by Devin Reynolds, Vijay Singh

    Published 2024-09-01
    “…However, the reflected light also depends on object extrinsic properties of the scene, such as the light source. For stable perception, the visual system needs to discount the variations due to the object extrinsic properties. …”
    Get full text
    Article
  17. 17
  18. 18
  19. 19
  20. 20

    Software-Defined Optical Coherence Measurement of Seawater Refractive Index Variations by Jiaxin Zhao, Xinyi Zhang, Qi Wang, Liyan Li, Songtao Fan, Yongjie Wang, Yan Zhou

    Published 2025-05-01
    “…By adopting SDR as the implementation platform for the demodulation algorithm and using a radio-frequency source to simulate interference signals for demodulating the refractive index variation, the results show that the relative error of the SDR demodulation results is below 0.3%. …”
    Get full text
    Article