Results 11 to 20 of about 41,206 (268)

Cultura da soja em função da profundidade de semeadura e da carga vertical sobre a fileira de semeadura Soybean crop in function of the depth of sowing and vertical load on the row of sowing

open access: yesEngenharia Agrícola, 2007
A análise do efeito da profundidade de semeadura e carga vertical visando a melhorar o aproveitamento, e a integração entre o solo e a cultura é muito difícil.
Danilo C. C. Grotta   +5 more
doaj   +1 more source

Cultivo mínimo: efeito da compactação e deformação abaixo da atuação da ponteira do subsolador Minimum tillage: effects of compaction and deformation under chisel plow

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2011
A compactação na soleira de implementos de mobilização de solo é passível de ocorrência em determinadas condições do solo. O objetivo deste estudo foi avaliar se há compactação abaixo da profundidade de trabalho de um subsolador e verificar o efeito ...
David P. da Rosa   +5 more
doaj   +1 more source

Métodos de preparo do solo: alterações na rugosidade do solo Soil tillage methods: alterations in the roughness of the soil

open access: yesEngenharia Agrícola, 2007
Procurando relacionar os métodos de preparo de solo com alguns dos efeitos em um Latossolo Vermelho distrófico, foi conduzido, no município de Uberaba - MG, um trabalho utilizando-se do delineamento experimental em blocos casualizados, com cinco ...
Alberto Carvalho Filho   +4 more
doaj   +1 more source

Early Investigation of a Landslide Sliding Surface by HVSR and VES Geophysical Techniques Combined, a Case Study in Guarumales (Ecuador)

open access: yesApplied Sciences, 2023
The access road to the powerhouse’s hydraulic system’s facilities in Guarumales (Azuay, Ecuador) presents a medium-sized landslide. Geophysical tests were conducted in the initial research stage, combining electrical and seismic methods.
Olegario Alonso-Pandavenes   +3 more
doaj   +1 more source

Discourses of self-legitimation of art education: some historical-conceptual problems

open access: yesRevista Gearte, 2018
By means of an analysis of the arguments that were mobilized by the art education after the edition of the Medida Provisória n. 746, by the Brazilian government, in September 2016, as well as of the arguments that have been mobilized by the literature of
Cayo Honorato
doaj   +1 more source

Hematopoietic stem and progenitor cells are differentially mobilized depending on the duration of Flt3-ligand administration

open access: yesHaematologica, 2010
Background Flt3-ligand is a cytokine that induces relatively slow mobilization of hematopoietic cells in animals and humans in vivo. This provides a time-frame to study hematopoietic stem and progenitor cell migration kinetics in detail.Design and ...
Evert-Jan F.M. de Kruijf   +4 more
doaj   +1 more source

Modified “Top-up sandwich” technique for the management of corneal perforations: A case report and a literature review

open access: yesAmerican Journal of Ophthalmology Case Reports, 2023
Purpose: We describe a modified technique for managing a peripheral, non-infected, corneal perforation using a “Sandwich” technique that combines posterior lamellar keratoplasty, an amniotic membrane patch and a Gundersen conjunctival flap. Observations:
Omar Elhaddad   +5 more
doaj   +1 more source

Investigation of Performance Improvement of Friction Piles with Two-Component Polymer Using Direct Shear Test [PDF]

open access: yesپژوهش‌های زیرساخت‌های عمرانی
Mobilized shear strength in the interaction between various materials such as sand and steel plays a crucial role in geotechnical applications, particularly in the design and performance of friction piles.
Meysam Bayat
doaj   +1 more source

Particulate dominance of organic carbon mobilization from thaw slumps on the Peel Plateau, NT: Quantification and implications for stream systems and permafrost carbon release

open access: yesEnvironmental Research Letters, 2020
Climate change is increasing the frequency and intensity of thermokarst, and accelerating the delivery of terrestrial organic material from previously sequestered sources to aquatic systems, where it is subject to further biochemical alteration.
S Shakil   +4 more
doaj   +1 more source

Phanerozoic veins of galena in the Åland rapakivi area, southwestern Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 1979
Some minor galena mineralizations are in part associated with clastic dykes of Cambrian sandstone in the Aland rapakivi area. Galena also occurs disseminated in greisen-type mineralizations.
L. Bergman, B. Lindberg
doaj   +1 more source

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