Results 91 to 100 of about 417,330 (328)
Pesquisa Agropecuária Brasileira, 1999 Neste trabalho foram avaliados os efeitos dos sistemas de preparo com arado de aiveca, com grade aradora e plantio direto, na compactação do solo, na disponibilidade de água, no desenvolvimento radicular e na produtividade do feijoeiro (Phaseolus ...
Luis Fernando Stone +1 more
doaj +1 more source
Farming with Soybeans For Marketing For Feeding For Land Use [PDF]
, 1941 PDF pages ...
Park, J. B., Slipher, J. A.
core
Electronic Notes in Discrete Mathematics, 2011 Abstract A disk graph is the intersection graph of disks in the plane, and a unit disk graph is the intersection graph of same radius disks in the plane. We give upper and lower bounds on the number of labelled unit disk and disk graphs on n vertices.
McDiarmid, C, Müller, T
openaire +2 more sources
Advanced Functional Materials, EarlyView.This work reports the first gram‐scale solvothermal synthesis of ‘Rubik's cube’ nanoparticles—cubic, dendritic multicore structures with tuneable sizes and exceptional magnetic heating performance. Featuring iron oxide single‐domain character, with low coercivity fields, high magnetization, and strong MPI signals, they enable viscosity‐independent ...
Giusy M. R. Rizzo +12 more
wiley +1 more source
Analysis of Artifacts from a 2010 Surface Collection at the Pace McDonald Site (41AN51), a Probable Middle Caddo Mound Center in Anderson County, Texas [PDF]
, 2011 The Pace McDonald site (41AN51) is a prehistoric Caddo mound center on Mound Prairie Creek in Anderson County, Texas, in the upper Neches River Basin. With the permission of one of the landowners, Mr.
Nelson, Bo +2 more
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Transactions of the American Mathematical Society, 1972 Let D D be a closed disk in the complex plane, f f a complex valued continuous function on D D and R f ( D ) = {R_f}(D) = the uniform closure on D D of rational functions in
openaire +2 more sources
Proteins, Processing, and Properties of Adhesive Fluid Condensates Purified from Mussels
Advanced Functional Materials, EarlyView.Mussels exhibit an unmatched proficiency for adhering to wet surfaces in salty environments—a remarkable ability that could inspire new biomedical and technical glues. The fluid protein condensates used to form the underwater mussel glue are extracted, reconstituted and characterized with advanced spectroscopy and nanomechanical analysis, revealing ...
Mathieu D. Rivard +8 more
wiley +1 more source
The Effect of Three Common Grain Drills on Dryland Wheat Yield
Journal of Agricultural Machinery, 2013 A three-year field experiment (2004-2007) was conducted on a silty clay loam soil at Tajarak Research Station of Hamedan to determine proper grain drill for wheat in Hamedan dryland areas.
A Heidari, I Eskandari
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Upcycling of Disposable Face Masks into Water‐Resistant and Flame Retardant Foams
Advanced Functional Materials, EarlyView.Disposable mask waste is upcycled into lightweight polypropylene‐based foams with tunable porosity and composite architectures reinforced by ear‐loop fibers. The sustainable solvent‐based process enables upcycling rates of 91% and solvent recovery of >90%.
Jingjing Pan +3 more
wiley +1 more source
AGRICULTURAL DEVELOPMENT ON THE BRAZILIAN FRONTIER: SOUTHERN MATO GROSSO [PDF]
International Development,
Bein, Frederick L., Sanders, John H.
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