Results 31 to 40 of about 1,694,874 (301)

Herbicide use history and perspective in South America

Advances in Weed Science, 2022
Abstract Background Agriculture in South America (SA) had a great expansion in the last decades and weed control changed accordingly with region and crop practices. Objective The objective of this review is to present the history of herbicide use and discuss the main changes in weed management in SA.
Aldo Merotto, Dionisio L. P. Gazziero, Maxwel C. Oliveira, Julio Scursoni, Milton Alejandro Garcia, Rodrigo Figueroa, Guilherme M. Turra   +6 more
openaire   +2 more sources

Tracing Images, Shaping Narratives: Eight Decades of Rock Art Research in Chile, South America (1944–2024)

Arts
80 years of Chilean rock art research, from its early descriptive stages in the 1940s to the present-day integration of relational ontologies, archaeometric techniques, and interdisciplinary perspectives, is reviewed.
Daniela Valenzuela, Indira Montt, Marcela Sepúlveda, Persis B. Clarkson   +3 more
doaj   +1 more source

Late Quaternary Variations in the South American Monsoon System as Inferred by Speleothems—New Perspectives Using the SISAL Database

Quaternary, 2019
Here we present an overview of speleothem δ18O records from South America, most of which are available in the Speleothem Isotopes Synthesis and Analysis (SISAL_v1) database.
Michael Deininger, Brittany Marie Ward, Valdir F. Novello, Francisco W. Cruz   +3 more
doaj   +1 more source

Engineering Education in Iberian America [PDF]

, 2011
The large Continent of America has in its territory besides overseas regions, dependencies and colonies 35 sovereign countries, 25 in North America and 12 in South America.
Brito, Claudio da Rocha, Ciampi, Melany M., Feldgen, Maria, Tovar, Edmundo, Vasconcelos, Rosa   +4 more
core   +1 more source

Identity, enlightenment and political dissent in late colonial Spanish America [PDF]

, 1998
During the long crisis of the Spanish empire between 1810 and 1825, the Creole leaders of Spanish American independence asserted a new identity for the citizens of the states which they sought to establish, calling them 'Americanos'.
Anderson, Anna, Anthony McFarlane, Bolívar, Brading, Brading, Brading, Brading, Burkholder, Carr, Chance, Chenu, Collier, Collier, Costeloe, Garrido, Gerbi, Godoy, Guardino, Guerra, Guerre, Hamill, Juan, Köenig, Ladd, LaFaye, Lavallé, Lecuna, Lempérière, Lynch, MacLachlan, Mallon, Marzhal, McFarlane, Minchom, Pagden, Pagden, Phelan, Pombo, Quijada, Rowe, Shumway, Silva, Szeminski, Tutino, Uribe   +45 more
core   +1 more source

UNASUR: Developments in the Defense Area [PDF]

, 2013
The article summarizes the last developments in South America towards a common defense area, referring to the history and origins of the Union of South American Nations (UNASUR).Fil: Gil, Luciana Victoria. Universidad de Buenos Aires; Argentina.
Gil, Luciana Victoria
core  

Outcomes of Live Virus Vaccination in Patients With Vascular Anomalies Being Treated With Sirolimus

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Live vaccination in patients with vascular anomalies (VA) receiving sirolimus remains controversial due to immunosuppressive effects and theoretical risks. Procedure This single‐center retrospective study included patients with VA less than 4 years old at the start of sirolimus therapy who were incompletely vaccinated.
Svatava Merkle, Kiersten Ricci, Kelly Blache, Rebecca A. Marsh, Adrienne M. Hammill, Elissa Engel   +5 more
wiley   +1 more source

NRASQ61R Expression in Lymphatic Endothelial Cells Causes Enlarged Vessels, Hemorrhagic Chylous Effusions, and High Mortality in a Mouse Model of Kaposiform Lymphangiomatosis

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Kaposiform lymphangiomatosis (KLA) is an aggressive complex lymphatic anomaly. Patients exhibit malformed lymphatic vessels and often develop hemorrhagic effusions and elevated angiopoietin‐2 (Ang‐2) levels. A somatic NRAS p.Q61R (NRASQ61R) mutation has been associated with KLA.
C. Griffin McDaniel, Patricia Pastura, Joshua P. Scallan, Timothy D. Le Cras   +3 more
wiley   +1 more source

GLHF: A Brief Overview of Gaming Cafes [PDF]

, 2017
My paper is on the history of internet and gaming cafes, focusing on how they are seen today, the problems they face and some potential solutions. Although my focus is on gaming cafes in America, because they are so popular overseas in Asian countries ...
Sun, John
core   +1 more source

Insecta, Coleoptera, Cerambycidae, Cerambycinae, Trachyderini: New state and country records from South America [PDF]

, 2010
Based on the revision of the collections of the Museu Nacional, Universidade Federal do Rio de Janeiro andthe National Museum of Natural History, Smithsonian Institution, the current work provides new localities for 32 speciesand two subspecies of ...
Botero R., J. P., Monné, M. L., Quintino, H. Y. S.   +2 more
core   +1 more source