Results 111 to 120 of about 2,992,734 (307)

Distinct mtDNA lineages in free-ranging Ammotragus(aoudad) from the United States indicate multiple introductions from northern Africa. [PDF]

open access: yesEcol Evol, 2022
Wright EA   +7 more
europepmc   +1 more source

Linking horizontal and vertical transports of biomass fire emissionsto the tropical Atlantic ozone paradox during the Northern Hemisphere winter season: climatology [PDF]

open access: yesAtmospheric Chemistry and Physics, 2004
During the Northern hemisphere winter season, biomass burning is widespread in West Africa, yet the total tropospheric column ozone values (
G. S. Jenkins, J.-H. Ryu
doaj  

The Herfindahl neutral point: A firm‐level threshold for managing market concentration with evidence from US hog packing

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract This paper derives a firm‐level threshold, the Herfindahl Neutral Point, from the standard concentration index used in merger review. At this threshold, a marginal expansion leaves the index unchanged. Firms below the threshold reduce concentration when they expand; firms above it increase concentration.
Andrew J. Keller, Krishna P. Paudel
wiley   +1 more source

USIU-Africa hosts International Trauma Conference

open access: yes, 2015
United States International University-Africa hosted the International Trauma Conference, which commenced on the 26th of August and ended on the 27th of August.
USIU-Africa
core  

Northern Territory Government Photographer

open access: yes, 2004
Clare Martin with Sarah Blackwood, and Neville James, Dymocks Regional Business Manager at the Northern Territory Literary Awards.Protocol ...
Northern Territory Government Photographer
core   +2 more sources

Molecular Epidemiology of Carbapenem-Resistant Acinetobacter baumannii Isolates from Northern Africa and the Middle East. [PDF]

open access: yesAntibiotics (Basel), 2021
Higgins PG   +6 more
europepmc   +1 more source

Preferential trading in agriculture: New insights from a structural gravity analysis and machine learning

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Preferential trade agreements (PTAs) contain various non‐tariff provisions, yet identifying their trade effects remains challenging because these commitments are high‐dimensional and strongly correlated within agreements. We estimated a theory‐consistent structural gravity model with domestic flows for 26 agricultural subsectors over 1988–2017
Dongin Kim, Sandro Steinbach
wiley   +1 more source

Northern Africa

open access: yes, 2014
Colour relief map of Northern ...

core  

A well‐resolved phylogeny of Cuscuta subgenus Monogynella based on data drawn from all three plant genomes

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Cuscuta (dodders) consists of ~200 species circumscribed into four subgenera (Monogynella, Cuscuta, Pachystigma, and Grammica) and is the only parasitic genus in Convolvulaceae (the morning‐glory family). This group shows a significant diversity in plastid functionality and represents a rare mixotrophic system among parasitic plants ...
Asawari Albal, Saša Stefanović
wiley   +1 more source

The State of Higher Education In Africa - Round Table Breakfast Discussion

open access: yes, 2016
A Round Table Breakfast Discussion on the State Of Higher Education in Africa Held at USIU-Africa on Tuesday April 5th ...
USIU-Africa
core  

Home - About - Disclaimer - Privacy