Results 21 to 30 of about 2,620,083 (303)

Cigarette brand preferences of adolescent and adult smokers in the United States

open access: yesTobacco Induced Diseases, 2018
Background Despite restrictions on where and how cigarette companies can market their products, cigarettes remain a heavily advertised consumer product in America. Examining the brand preferences of smokers may provide clues to understanding how shifting
Sebrena Brink   +6 more
doaj   +1 more source

A New Species of \u3ci\u3eCaraboacarus\u3c/i\u3e (Acari: Caraboacaridae) From \u3ci\u3eCalosoma Argentinense\u3c/i\u3e (Carabidae) From Chile [PDF]

open access: yes, 2017
Caraboacarus calosomae n. sp is described from Calosoma argentinense Csiki collected in Santiago, Chile. This is the first record of this genus in South America. The genius is recorded from North America, Europe, Asia.
Husband, Robert W
core   +2 more sources

Asymmetric continental deformation during South Atlantic rifting along southern Brazil and Namibia [PDF]

open access: yes, 2017
Plate restoration of South America and Africa to their pre-breakup position faces the problem of gaps and overlaps between the continents, an issue commonly solved with implementing intra-plate deformation zones within South America.
Koehn, Daniel   +2 more
core   +1 more source

Seasonal cycle of precipitation variability in South America on intraseasonal timescales [PDF]

open access: yes, 2017
The seasonal cycle of the intraseasonal (IS) variability of precipitation in South America is described through the analysis of bandpass filtered outgoing longwave radiation (OLR) anomalies.
AM Grimm   +28 more
core   +2 more sources

Niche shifts after long-distance dispersal events in bipolar sedges (Carex, Cyperaceae) [PDF]

open access: yes, 2017
PREMISE OF THE STUDY: Bipolar species represent the greatest biogeographical disjunction on Earth, raising many questions about the colonization and adaptive processes behind such striking distribution.
Escudero Lirio, Marcial   +3 more
core   +1 more source

Inter- and intracontinental migrations and local differentiation have shaped the contemporary epidemiological landscape of canine parvovirus in South America [PDF]

open access: yes, 2018
Canine parvovirus (CPV) is a fast-evolving single-stranded DNA virus that causes one of the most significant infectious diseasesof dogs. Although the virus dispersed over long distances in the past, current populations are considered to be ...
Aldaz, Jaime   +11 more
core   +1 more source

A systematic overview of transportation equity in terms of accessibility, traffic emissions, and safety outcomes: From conventional to emerging technologies

open access: yesTransportation Research Interdisciplinary Perspectives, 2020
Emerging transportation technologies (e.g., electric vehicles) and services (e.g., shared mobility) provide efficient, sustainable and cost-effective alternatives to traditional travel modes.
Yujie Guo   +4 more
doaj   +1 more source

Divergence of wastewater SARS-CoV-2 and reported laboratory-confirmed COVID-19 incident case data coincident with wide-spread availability of at-home COVID-19 antigen tests [PDF]

open access: yesPeerJ, 2023
Concentrations of SARS-CoV-2 RNA in wastewater settled solids from publicly owned treatment works (POTWs) historically correlated strongly with laboratory confirmed incident COVID-19 case data.
Alexandria B. Boehm   +4 more
doaj   +2 more sources

A multi-model study of the hemispheric transport and deposition of oxidised nitrogen. [PDF]

open access: yes, 2008
Fifteen chemistry-transport models are used to quantify, for the first time, the export of oxidised nitrogen (NOy) to and from four regions (Europe, North America, South Asia, and East Asia), and to estimate the uncertainty in the results. Between 12 and
A. Lupu   +42 more
core   +5 more sources

A critical deconstruction of myths and misunderstandings about energy integration in South America

open access: yesRevista Neiba, 2015
This paper aims to present and discuss the main problems regarding energy integration in South America, with special focus on electric integration. Considering infrastructure sector is important not only in terms of regional integration, but mainly to ...
Thauan Santos
doaj   +1 more source

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