Results 31 to 40 of about 215,535 (302)

Determination of some organic pollutants in waters rivers of Tirana city

open access: yesZaštita Materijala, 2017
This study presented data about concentrations of some organic pollutants in two main rivers of Tirana city: Lana River that crosses through the city and Tirana River that lies in northeast of the city.
Bledar Murtaj, Valbona Plaku
doaj   +1 more source

Prenatal exposure to endocrine disrupting chemicals is associated with altered DNA methylation in cord blood

open access: yesEpigenetics, 2022
Prenatal exposure to endocrine disrupting chemicals can interfere with development, and has been associated with social-cognitive functioning and adverse health outcomes later in life.
Katharina Mattonet   +11 more
doaj   +1 more source

Determination of PCB Levels Indoor and Outdoor Dust Samples of Primary Schools in Düzce

open access: yesDoğal Afetler ve Çevre Dergisi, 2022
Düzce province, where industry, traffic and residential areas are intertwined, is developing rapidly and therefore environmental pollution is intensely felt in the region.
Aslı TEKLİ   +2 more
doaj   +1 more source

Chlorine and Bromine Isotope Fractionation of Halogenated Organic Pollutants on Gas Chromatography Columns

open access: yes, 2017
Compound-specific chlorine/bromine isotope analysis (CSIA-Cl/Br) has become a useful approach for degradation pathway investigation and source appointment of halogenated organic pollutants (HOPs).
Fan, Yujuan   +5 more
core   +1 more source

Design study of a thermocouple power sensor as a monolithic fin-line [PDF]

open access: yes, 2011
Making traceable power measurements above 110 GHz using current measurement technologies is challenging. We investigate a design of power sensor consisting of a thermocouple-based integrated circuit (IC) mounted as a finline component in WR-6 waveguide ...
Jones, Mark Hedley, Scott, Jonathan B.
core   +2 more sources

Development of Free Fall Drop Tester for Electronic Components [PDF]

open access: yes한국정밀공학회지, 2020
In this study, a free-fall drop tester was studied to test the impact reliability of small electronic components. The electronic component was fixed to the drop table and the table was fallen along guide rods.
In Jun Jung   +2 more
doaj   +1 more source

Shellfish Tissue Monitoring in Piscataqua Region Estuaries 2013 [PDF]

open access: yes, 2013
Originally conducted by the Gulf of Maine Council on the Marine Environment from 1993 to 2011, the Gulfwatch Program examined trends in the water quality of the Gulf of Maine by monitoring toxic contaminant concentrations in the tissues of shellfish ...
Trowbridge, Philip R., Wood, Matthew A.
core   +4 more sources

Multimode waveguides of Photodefinable epoxy for optical backplane applications [PDF]

open access: yes, 2006
We developed photodefined, multimode-fiber compatible waveguides based on epoxies. These waveguides will be embedded in backplane PCB’s for optical interconnect applications using 850 nm VCSELs as light sources.
Diemeer, M.B.J.   +3 more
core   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal   +2 more
wiley   +1 more source

O PARTIDO COMUNISTA DO BRASIL E A MILITÂNCIA FEMININA

open access: yesRevista Binacional Brasil - Argentina, 2021
O presente artigo busca refletir acerca do silenciamento a que foi destinada a militância feminina no interior do Partido Comunista do Brasil e nas páginas da historiografia produzida por militantes desta organização.
Daniella Ataíde Lôbo   +1 more
doaj   +1 more source

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