Walmir Freitas - Articles - Scientific Research Publishing

Energization of a Half-Wavelength Transmission Line - Pre-Operational Transients Studies (Articles)

Camilo Machado Jr, Marcelo Maia, Eden Carvalho Jr, Maria C. Tavares, João B. Gertrudes, Elson C. Gomes, Walmir Freitas, Marcos A. Paz, Fernando A. Moreira, Carlos A. Floriano, Vanderlei G. Machado, Aniela M. Mendes

Energy and Power Engineering Vol.5 No.4B，November 21, 2013

DOI: 10.4236/epe.2013.54B276 6,644 Downloads 8,158 Views Citations
Temporary Crops in the Brazilian Agricultural Frontier (Articles)

Rogério Edivaldo Freitas

Agricultural Sciences Vol.13 No.2，February 25, 2022

DOI: 10.4236/as.2022.132017 209 Downloads 918 Views Citations
The Challenges of Environmental Protection in the Brazilian Amazon (Articles)

Vladimir Passos de Freitas

Beijing Law Review Vol.14 No.1，March 28, 2023

DOI: 10.4236/blr.2023.141018 177 Downloads 1,060 Views Citations
Analysis of the Factors That Cause Environmental Degradation of Lake Santa Maria Tasi Tolu Dili Timor-Leste (Articles)

Antero Freitas Branco

Journal of Geoscience and Environment Protection Vol.12 No.10，October 25, 2024

DOI: 10.4236/gep.2024.1210004 63 Downloads 389 Views Citations
Thermal Hydraulic Analysis Improvement for the IEA-R1 Research Reactor and Fuel Assembly Design Modification (Articles)

Pedro Ernesto Umbehaun, Walmir Maximo Torres, José Antonio Batista Souza, Mitsuo Yamaguchi, Antonio Teixeira e Silva, Roberto Navarro de Mesquita, Nikolas Lymberis Scuro, Delvonei Alves de Andrade

World Journal of Nuclear Science and Technology Vol.8 No.2，April 9, 2018

DOI: 10.4236/wjnst.2018.82006 1,232 Downloads 2,812 Views Citations
Intraflagellar Protein 88 Interactome Analysis: A Bioinformatics Approach Highlights Its Role in Testis and Sperm Function (Articles)

Maria João Freitas, Margarida Fardilha

Journal of Biophysical Chemistry Vol.5 No.3，July 9, 2014

DOI: 10.4236/jbpc.2014.53011 4,004 Downloads 4,993 Views Citations
Evaluation of Acute Chromium (III) Toxicity in Relation to Daphnia Similis (Articles)

Petr Melnikov, Tânia C. M. de Freitas

Journal of Water Resource and Protection Vol.3 No.2，February 28, 2011

DOI: 10.4236/jwarp.2011.32015 6,627 Downloads 11,090 Views Citations
Update of the Chronology of Natural Signals in the Near-Surface Mean Global Temperature Record and the Southern Oscillation Index (Articles)

Chris R. de Freitas, John D. McLean

International Journal of Geosciences Vol.4 No.1A，January 29, 2013

DOI: 10.4236/ijg.2013.41A020 7,643 Downloads 11,648 Views Citations
This article belongs to the Special Issue on Earth Observation for Ocean-Atmosphere Interactions
UNIPLAC’s Scientific Exhibition: 18 Years of History (Articles)

Patricia Alves de Souza, Vanessa Freitas Bratti

Creative Education Vol.6 No.17，October 19, 2015

DOI: 10.4236/ce.2015.617193 4,991 Downloads 5,919 Views Citations
This article belongs to the Special Issue on Interdisciplinarity in Education
Context and Challenges Regarding the Environmental Certification of Soy Production in the Matopiba Region of Brazil (Articles)

Antonio Carlos Reis de Freitas, Thiago Buosi

American Journal of Industrial and Business Management Vol.8 No.10，October 9, 2018

DOI: 10.4236/ajibm.2018.810138 735 Downloads 1,643 Views Citations
This article belongs to the Special Issue on Business Information Management
3-Anti-Circulant Digraphs Are α-Diperfect and BE-Diperfect (Articles)

Lucas I. B. Freitas, Orlando Lee

Open Journal of Discrete Mathematics Vol.12 No.3，June 13, 2022

DOI: 10.4236/ojdm.2022.123003 194 Downloads 643 Views Citations
Economic Valuation of the Mangrove Forest in Metinaro Coastal, Timor-Leste (Articles)

Luis da Costa, Antero Freitas Branco

Journal of Geoscience and Environment Protection Vol.13 No.3，March 21, 2025

DOI: 10.4236/gep.2025.133014 30 Downloads 221 Views Citations
The Latin American Indigenous Ethnopolitics: Toward an Expansive and Comprehensive Climate Governance (Articles)

Luciano Alberto Ferreira, Vladimir Passos de Freitas, Gilberto Passos de Freitas

Beijing Law Review Vol.12 No.2，May 8, 2021

DOI: 10.4236/blr.2021.122025 971 Downloads 1,547 Views Citations
This article belongs to the Special Issue on Human Rights, Law and Ethics
Nutritional Status and Total Phenols of Passiflora Genotypes Related to Nitrogen Fertilization (Articles)

Renata Vianna Lima, Almy Junior Cordeiro de Carvalho, Paulo Cesar Santos, Jalille Amim Altoé Freitas, Mírian Peixoto Soares da Silva, Silvio de Jesus Freitas, Marta Simone Mendonça Freitas

American Journal of Plant Sciences Vol.6 No.5，March 19, 2015

DOI: 10.4236/ajps.2015.65074 4,768 Downloads 5,704 Views Citations
Mediation in the Construction of Mathematical Knowledge: A Case Study Using Dynamic Geometry (Articles)

Gilmara Teixeira Barcelos, Silvia Cristina Freitas Batista, Liliana Maria Passerino

Creative Education Vol.2 No.3，August 12, 2011

DOI: 10.4236/ce.2011.23034 7,134 Downloads 12,019 Views Citations
Application of Molecularly Imprinted Polymers for the Analysis of Pesticide Residues in Food—A Highly Selective and Innovative Approach (Articles)

Raquel Garcia, Maria João Cabrita, Ana Maria Costa Freitas

American Journal of Analytical Chemistry Vol.2 No.8A，December 31, 2011

DOI: 10.4236/ajac.2011.228119 9,408 Downloads 18,199 Views Citations
This article belongs to the Special Issue on New trends for the determination of pesticides in environmental samples
Polycyclic Aromatic Hydrocarbons May Contribute for Prostate Cancer Progression (Articles)

Mariana Freitas, Vera Alves, Ana Sarmento-Ribeiro, Anabela Mota-Pinto

Journal of Cancer Therapy Vol.4 No.4A，April 29, 2013

DOI: 10.4236/jct.2013.44A005 5,579 Downloads 8,809 Views Citations
This article belongs to the Special Issue on Prostate Cancer Reseach
Preventable infant mortality: Spatial distribution and main causes in three Brazilian municipalities (Articles)

Rosana Rosseto de Oliveira, Thais Aidar de Freitas Mathias

Health Vol.5 No.10，September 29, 2013

DOI: 10.4236/health.2013.510209 5,277 Downloads 7,240 Views Citations
Moral Dilemma Judgment Revisited: A Loreta Analysis (Articles)

Armando Freitas da Rocha, Fábio Theoto Rocha, Eduardo Massad

Journal of Behavioral and Brain Science Vol.3 No.8，December 27, 2013

DOI: 10.4236/jbbs.2013.38066 5,358 Downloads 7,511 Views Citations
A 35-Year-Old Man Presenting Sleep-Related Painful Erections (Erpes): A Case Report and Review of Literature (Review)

Daniel de Freitas G. Soares, Ernani Luis Rhoden

Advances in Sexual Medicine Vol.4 No.1，January 9, 2014

DOI: 10.4236/asm.2014.41002 8,668 Downloads 15,314 Views Citations

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