Results 151 to 160 of about 3,000,537 (296)

Preliminares

Revista Colombiana de Estadística, 1987
Universidad Nacional de Colombia Universidad Nacional de Colombia
doaj  

Correction: Remote learning and physical activity in medical students from Latin America: a cross-sectional study during the first wave of the COVID-19 pandemic. [PDF]

Front Sports Act Living
Valladares-Garrido MJ, Acosta-Porzoliz R, Juarez-Ubillus A, Diaz-Torres M, Zeta Solis LA, Rueda DA, Jiménez-Mozo F, Peralta Chiguala CI, Valdiviezo-Morales CG, Benavides Alburqueque ES, Porras Núñez EC, Vera-Ponce VJ, Pereira-Victorio CJ, Culquichicón C.   +13 more
europepmc   +1 more source

La Universidad Nacional y la Academia Nacional de Medicina.

Medicina, 1998
<p>Señor Presidente, Colegas Académicos :</p><p>Quiso mi buena suerte, que a finales del año anterior, cuando recibo la honrosísima designación de Académico Honorario, estuviera terminando mi nuevo libro histórico “Los Vargas en la Cultura Médica Colombiana” :que unos días antes, la promoción 1965-71 de la Facultad de Medicina de la ...
openaire   +1 more source

Assessment of Soil Erosion Over Six Decades in a Long‐Term Experiment Using Fallout 137Cs and RUSLE: A South American Case Study

Land Degradation &Development, EarlyView.
ABSTRACT Soil erosion remains a major global concern affecting agricultural productivity and land sustainability. This study investigates the magnitude and variability of soil erosion in a long‐term experiment (LTE) established in 1963 in Colonia, Uruguay, aiming to compare the performance of the 137Cs tracer technique and the RUSLE model across ...
Marcos Tassano, Mirel Cabrera, Joan Gonzalez, Mario Perez‐Bidegain, Olivier Evrard, Kathrin Grahmann, J. Andrés Quincke   +6 more
wiley   +1 more source

Preliminares

Revista Colombiana de Estadística, 1999
Universidad Nacional de Colombia Universidad Nacional de Colombia
doaj  

Correction to: Evaluation of acid rain in urban areas of the United States of America and Mexico from 2003 to 2019. [PDF]

Environ Monit Assess
Jiménez Alcántara A, Sosa Echeverría R, Gay DA, Alarcón Jiménez AL.   +3 more
europepmc   +1 more source

Ocean acidification at the crossroads I: Harmonizing unpurified and purified meta‐cresol purple spectrophotometric pHT measurements based on absorbance data

Limnology and Oceanography: Methods, EarlyView.
Abstract Consistent monitoring of seawater spectrophotometric pH on the total hydrogen ion scale (pHT) has been questioned by an evolving method, with changes in parameterization and the purity of the meta‐cresol purple (mCP). Using real seawater samples, we demonstrate that spectrophotometric pHT measurements obtained with unpurified (UNPUR) and ...
Marta Álvarez, Maribel I. García‐Ibáñez, Rubén Acerbi, Rocío Santiago‐Domenech, Elisa F. Guallart, Noelia M. Fajar, Lisandro Arbilla   +6 more
wiley   +1 more source

Instrucciones para los autores

Revista Colombiana de Química, 2010
Universidad Nacional de Colombia Universidad Nacional de Colombia
doaj   +2 more sources

Dataset of infrared absorption responses of leaves from five <i>Cannabis sativa</i> L. varieties treated with a <i>Trichoderma</i> spp.-based biomass suspension. [PDF]

Data Brief
Villamayor JDJ, Pedrozo FL, Díaz GR, Vera ML, Colmán C, Balbuena N, Sánchez V, Herrera EZ, Marsal F, Fernández D, Sotelo PH, Arrúa AA.   +11 more
europepmc   +1 more source

Differentiating Nonsuicidal Self‐Injury (NSSI) From Suicide Attempts in Adolescents: A Pilot Study

Medicine Bulletin, EarlyView.
ABSTRACT Background Differentiating between nonsuicidal self‐injury (NSSI) and suicide attempts (SA) in adolescents is crucial due to distinct underlying motivations, treatment needs, and potential outcomes associated with each behavior.
María Posada‐Ayala, Ping Wang, Gemma Barroso‐Garcia, Encarnación Donoso‐Navarro, Elena Hernandez‐Alvarez, María Gil‐Ligero, Julián Romero, Silvia Rosado‐Garcia, Antonio José Sánchez‐López, Hilario Blasco‐Fontecilla   +9 more
wiley   +1 more source