Results 41 to 50 of about 224,315 (313)

INFLUENCE OF PETROGRAPHIC CHARACTERISTICS OF SILICATE ROCKS ON THE QUALITY OF AGGREGATES

open access: yesRudarsko-geološko-naftni Zbornik, 2002
The mechanical properties of chrushed rock aggregates are greatly influenced by the petrographic characteristics of parent rock. The main objective of this study was to determine the relation between the petrographic characteristics of some volcanic and ...
Mladen Fistrić   +2 more
doaj  

Bioinformatics; The comparison of softwares based on genetics data analysis

open access: yesMedicine Science, 2018
The comparative analysis with relational statistics programs Arlequin 3.5 and Power Marker 3.25 is performed, using the published polymorphic loci on the β-globin gene to investigate possible associations of these loci with the Hb D-Los Angeles ...
Tahsin Ertas, Celal Guven, Onur Ozturk
doaj   +1 more source

Predicting city-scale daily electricity consumption using data-driven models

open access: yesAdvances in Applied Energy, 2021
Accurate electricity demand forecasts that account for impacts of extreme weather events are needed to inform electric grid operation and utility resource planning, as well as to enhance energy security and grid resilience.
Zhe Wang   +3 more
doaj   +1 more source

Instructor–Worker large language model system for policy recommendation: A case study on air quality analysis of the January 2025 Los Angeles wildfires

open access: yesInternational Journal of Applied Earth Observations and Geoinformation
The Los Angeles wildfires of January 2025 caused more than 250 billion dollars in damage and lasted for nearly an entire month before containment. Following our previous work, the Digital Twin Building, we modify and leverage the multi-agent Large ...
Kyle Gao   +7 more
doaj   +1 more source

Cumulative Social Disadvantage and Disease Activity in Juvenile Idiopathic Arthritis: A Childhood Arthritis and Rheumatology Research Alliance Registry Study

open access: yesArthritis Care &Research, EarlyView.
Objective Social determinants of health (SDOH) contribute to juvenile idiopathic arthritis (JIA) disparities, but most studies have assessed SDOH independently rather than cumulatively across individual, family, and neighborhood levels. Using a socioecological framework, we investigated the relationship among cumulative social disadvantage ...
William Daniel Soulsby   +448 more
wiley   +1 more source

Discordance Between Patient and Physician Global Assessments in Early Systemic Sclerosis

open access: yesArthritis Care &Research, EarlyView.
Objective This study aims to identify factors associated with patient global assessment (PtGA) and physician global assessment (PhGA) and discordance between them in systemic sclerosis (SSc). Methods Data from adults with early SSc (<5 years) from the Collaborative National Quality and Efficacy Registry were included.
Ellen Romich   +35 more
wiley   +1 more source

Community-Driven, Text Message–Based COVID-19 Surveillance System, Los Angeles County, California, USA, 2020–2024

open access: yesEmerging Infectious Diseases
Respiratory virus indicators were unreliable at the onset of the COVID-19 pandemic when testing availability was limited and residents with mild symptoms were advised to avoid unnecessary medical care. The Los Angeles County Department of Public Health (
Jordan B. Braunfeld   +8 more
doaj   +1 more source

Three-Month Variability of Commonly Evaluated Biomarkers in Clinically Stable COPD

open access: yesInternational Journal of COPD, 2023
Seon Cheol Park,1,2 Narongkorn Saiphoklang,1,3 Jonathan Phillips,4 May-Lin Wilgus,1 Russell G Buhr,1 Donald P Tashkin,1 Christopher B Cooper,1,5 Igor Barjaktarevic1 1Division of Pulmonary and Critical Care Medicine, Department of Medicine, David Geffen ...
Park SC   +7 more
doaj  

Human Exposure following Mycobacterium tuberculosis Infection of Multiple Animal Species in a Metropolitan Zoo

open access: yesEmerging Infectious Diseases, 2002
From 1997 to 2000, Mycobacterium tuberculosis was diagnosed in two Asian elephants (Elephas maximus), three Rocky Mountain goats (Oreamnos americanus), and one black rhinoceros (Diceros bicornis) in the Los Angeles Zoo. DNA fingerprint patterns suggested
Peter Oh   +14 more
doaj   +1 more source

Testing the limits of TSM: the 1984 Los Angeles Summer Olympics

open access: yesTransportation, 1988
This paper analyzes the impact of the transportation system management (TSM) program employed during the 1984 Los Angeles Summer Olympics. Two issues are examined. First, the impact of the various elements of the TSM program on transportation system performance is measured by conducting a series of traffic simulation studies.
openaire   +2 more sources

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