Results 31 to 40 of about 1,971 (131)

Eficiência de extratores de fósforo em dois latossolos do Mato Grosso do Sul Efficiency of phosphorus extractors using two oxisols from Mato Grosso do Sul State, Brazil

Pesquisa Agropecuária Brasileira, 1999
Com o objetivo de avaliar a eficiência de três extratores de P em dois latossolos (LEa e LRa) do Mato Grosso do Sul, foi conduzido um experimento em casa de vegetação, com três fontes de P (superfosfato triplo, fosfatos naturais de Araxá e de Gafsa), em ...
William Marra Silva, Amoacy Carvalho Fabrício, Marlene Estevão Marchetti, Carlos Hissao Kurihara, Shizuo Maeda, Luís Carlos Hernani   +5 more
doaj   +1 more source

MICRODUREZA SUPERFICIAL DE TRES RESINAS DENTALES, RESINA BULK FILL, RESINA MICROHÍBRIDA Y RESINA NANOHÍBRIDA

, 2019
Objetivo: Determinar la microdureza superficial en bloques de resinas indicadas para piezas posteriores. Material y métodos: Para la muestra se elaboraron bloques cilíndricos de 6 mmdediámetroy3 mm de altura, elaborados con resina bulkfill (Filtek™ BulkFill), resina microhibrida (Filtek P60) y resina nanohíbrida (Filtek Z350), con tales objetos ...
Sotomayor Zela, Ximena, Perea Corimaya, Elizabeth Mariela   +1 more
openaire   +2 more sources

Pine resin: A non-timber forest product with history in Mexico

Tropical and Subtropical Agroecosystems
Background. Pine resin is a non-timber forest product of great importance due to its versatility, which allows obtaining derivatives with extensive applicability and high added value as it is a natural and renewable raw material with diverse uses, which ...
María Mercedes Cervantes Machuca, Salvador Lozano Trejo, Gerardo Rodríguez Ortiz, José Raymundo Enríquez del Valle, Ernesto Castañeda Hidalgo   +4 more
doaj   +1 more source

Variaciones analizadas de la producción de huizache (Acacia farnesiana) en una población nativa versus una plantación urbana de la región centro sur de Chihuahua

Revista Biológico Agropecuaria Tuxpan, 2019
La investigación se realizó en una población nativa de huizache de Naica, Saucillo y una plantación urbana de Delicias, Chihuahua. En el ecosistema nativo se realizó un estudio exploratorio con tres tratamientos (10%, 15%, 20%) de una hormona y un ...
José Eduardo Magaña Magaña, María de los Ángeles Romero Lara, Víctor Hugo Villarreal Ramírez, Luisa Patricia Uranga Valencia, Christian Mauricio Kiessling Davison   +4 more
doaj   +1 more source

Taxonomic and functional diversity of urban bees of the world

Conservation Biology, EarlyView.
Abstract Bees play a pivotal role in terrestrial environments. Urbanization can affect these organisms and the ecosystem services they provide. However, knowledge of the global diversity of urban bees is limited. Thus, we summarized data on urban bee species identities and occurrences; compared distributions of all bees with those found in urban ...
João C. F. Cardoso, Pietro K. Maruyama, Ingrid N. Gomes, Lorena B. Valadão‐Mendes, Victor H. D. Silva, Larissa Lorraine, Jordana O. Borges, Rogério V. Gonçalves, Léo C. Rocha‐Filho, Renata Trevizan, Yasmine Antonini   +10 more
wiley   +1 more source

TRATAMENTO DA CASCA DE QUEIJO CANASTRA COM RESINA E SEUS EFEITOS DURANTE A MATURAÇÃO E NA QUALIDADE COMO FORMA DE MELHORAR O ASPECTO E AGREGAR VALOR AO PRODUTO

Revista do Instituto de Latícinios Cândido Tostes, 2012
O principal objetivo deste trabalho foi testar uma alternativa para melhorar o aspecto de apresentação e a qualidade do queijo Minas artesanal da Canastra sem comprometer as suas características peculiares.
Paulo Henrique Costa Paiva, Luiz Carlos Gonçalves Costa Júnior   +1 more
doaj   +1 more source

Patch Test Reactions to Dental Materials: A Retrospective Single‐Centre Study

Contact Dermatitis, EarlyView.
In this retrospective single‐centre study of 439 adults referred for suspected delayed‐type hypersensitivity to dental materials, 50.1% had at least one positive patch test reaction, most often to metals. Nickel (23.0%) and palladium (16.6%) pre‐dominated, whilst methacrylate positivity was uncommon (6.2%) and not fully captured by HEMA alone.
Mojca Bizjak‐Suran, Manca Marčun, Mitja Košnik, Dejan Dinevski   +3 more
wiley   +1 more source

Anatomy and ontogeny of the pericarp of Pterodon emarginatus Vogel (Fabaceae, Faboideae), with emphasis on secretory ducts

Anais da Academia Brasileira de Ciências, 2008
Discrepant and incomplete interpretations of fruits of Pterodon have been published, especially on the structural interpretation of the pericarp portion that remain attached to the seed upon dispersal. The present work clarified these doubts and analyzed
Élder A.S. Paiva, Denise M.T. Oliveira, Silvia R. Machado   +2 more
doaj   +1 more source

Microfiltración de resinas Bulk Fill vs resinas convencionales: revisión sistemática

Killkana Salud y Bienestar, 2022
Objetivo: Evaluar el grado de microfiltración de las resinas bulk fill comparado con las resinas convencionales. Metodología. La presente revisión sistemática se realizó de acuerdo a las directrices de la declaración del PRISMA. Se estableció como pregunta PICO ¿Cuál es el grado de Micro filtración de la resina Bulk Fill comparadas con las resinas ...
Jaime Terán-Calle, Priscilla Medina Sotomayor, José David Aguilar Maldonado, Paola Ordoñez Crespo, Gabriela Alejandra Ortega Castro, Alexandra Gil-Pozo   +5 more
openaire   +1 more source

Antifouling capacity of substrate materials and their effects on settlement and post‐settlement survival of Acropora palmata and Orbicella faveolata

Restoration Ecology, EarlyView.
Abstract Introduction In coral reef restoration, sexual reproduction is a key methodology to enhance coral population recovery. However, post‐settlement survival remains a major bottleneck, as spat are particularly vulnerable to competition with fouling organisms.
Laura C. Arango‐Carvajal, Rodolfo Silva, Miriam Estevez, Gregorio Vargas, Lizette I. Quan‐Young, Anastazia T. Banaszak   +5 more
wiley   +1 more source