Results 1 to 10 of about 224,315 (313)

Assessing the real-world performance of xylazine test strips for community-based drug checking in Los Angeles [PDF]

open access: yesHarm Reduction Journal
Background The veterinary sedative xylazine is increasingly found in illicit fentanyl and has been associated with numerous health harms. Xylazine test strips (XTS) are an emerging technology that can theoretically assist consumers in avoiding xylazine ...
Caitlin A. Molina   +11 more
doaj   +2 more sources

Disparities in access to COVID-19 testing in Los Angeles County

open access: yesPreventive Medicine Reports
COVID-19 has disparately impacted low-income persons and racial and ethnic minorities–primarily Black and Hispanic populations. Our objective is to quantify disparities in access to COVID-19 testing and identify barriers to testing during the winter 2020–
Zain Khalifeh   +3 more
doaj   +3 more sources

Association between neighborhood-level overall social vulnerability and cumulative incidence of reported hepatitis C virus infection in Los Angeles County from 2018 to 2023 [PDF]

open access: yesBMC Global and Public Health
Background Hepatitis C is a serious public health problem in Los Angeles County. Only 30% of diagnosed persons are treated, and transmission is increasing.
Cassidy Hernandez-Tamayo   +8 more
doaj   +2 more sources

Investigation of riprap stability of a dam: risk assessment by InSAR method and rock mechanical test

open access: yesGeomatics, Natural Hazards & Risk, 2022
Riprap resistance is a widely used solution for protecting earth dams from erosion but riprap can be displaced on the dam surface. This study examines the stability of riprap in the Taleqan Dam, Iran using rock mechanical tests and InSAR technology ...
Mehrnoosh Ghadimi
doaj   +1 more source

A Study of the Rockfill Material Behavior in Large-Scale Tests [PDF]

open access: yesCivil Engineering Infrastructures Journal, 2013
Inspecting the behavior of the rockfill materials is of significant importance in analysis of rockfill dams. Since the dimensions of grains in such materials are greater than the conventional sizes suitable for soil mechanics tests, it is necessary to ...
Ali Ghanbari   +2 more
doaj   +1 more source

Dataset regarding the mechanical characterization of sedimentary rocks derived from Svalbard for possible use in local road constructions

open access: yesData in Brief, 2021
The dataset deals with the mechanical characterization of sedimentary rocks collected along the banks of Longyear river in proximity of Longyearbyen (Svalbard) at the junction of Bolterdalen and Adventdalen valleys.
Diego Maria Barbieri   +6 more
doaj   +1 more source

A Modified Method for Los Angeles Abrasion Test [PDF]

open access: yesIranian Journal of Science and Technology, Transactions of Civil Engineering, 2019
Infrastructure development projects in Oman are at a peak which results in a huge requirement for the construction materials. Aggregates are one of the most common materials naturally available and used in both cement and asphalt concrete apart from being used as under laying material.
Tariq Umar   +2 more
openaire   +1 more source

Granular Subbase Improvement with Recycled Concrete Aggregates in Tropical Areas

open access: yesInternational Islamic University Malaysia Engineering Journal, 2022
Use of Recycled Concrete Aggregate (RCA) for Granular Subbase (GSB) in the tropical area is evaluated in this work. Among the materials widely studied as replacements in granular and surface layers is RCA.
Daniela L. Vega A.   +4 more
doaj   +1 more source

Comparison of Different-Energy-Level Abrasion in Los Angeles and Micro-Deval Apparatuses Using Mass Loss and Rounding of Sediment Particles

open access: yesApplied Sciences, 2023
During the routing of coarse particles in sedimentary environments, the particles are subjected to abrasion, leading to mass loss and changes in the particles’ morphology. The particles become more spherical, rounded, and smooth.
Tamara Kuzmanić   +2 more
doaj   +1 more source

A Climate Stress Test of Los Angeles' Water Quality Plans [PDF]

open access: yesClimatic Change, 2017
Climate change can significantly affect water quality, in addition contributing non-stationarity and deep uncertainty that complicates water quality management. But most of the total maximum daily load (TMDL) implementation plans crafted to meet water quality standards in the USA are developed assuming stationary climate and at best a small number of ...
Neil Berg   +4 more
openaire   +2 more sources

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