Results 31 to 40 of about 56,714 (261)

Penetrógrafo eletrônico automático Automatic electronic recording penetrometer

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2002
O presente trabalho relata o desenvolvimento de um penetrógrafo, construído para operar de forma automática, executando um ensaio de penetração com um simples toque no botão de partida.
Aloísio Bianchini   +4 more
doaj   +1 more source

Phosphoinositides and inositol phosphates as molecular glues

open access: yesFEBS Letters, EarlyView.
Inositol phosphates (IPs) and phosphoinositides (PIPs) regulate diverse eukaryotic processes. Beyond recruiting signaling proteins or acting as structural cofactors, recent studies suggest they mediate protein–protein interactions as natural molecular glues.
Aleshia Seaton‐Terry   +9 more
wiley   +1 more source

Correlação da produtividade do feijão com a resistência à penetração do solo sob plantio direto Correlation between bean yield and soil penetration resistance under no-tillage

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2006
A resistência mecânica do solo à penetração (RP) exerce grande influência sobre o desenvolvimento vegetal, uma vez que o crescimento das raízes, tal como a produtividade das culturas, variam de forma inversamente proporcional ao seu valor.
Guilherme J. Carvalho   +3 more
doaj   +1 more source

A note on the index of cone differential operators

open access: yes, 2001
We prove that the index formula for $b$-elliptic cone differential operators given by M. Lesch holds verbatim for operators whose coefficients are not necessarily independent of the normal variable near the boundary. We also show that, for index purposes, the operators can always be considered on weighted Sobolev spaces.
Gil, Juan B.   +2 more
openaire   +2 more sources

An epithelial GPR35 isoform supports tumor‐associated transcriptional and metabolic phenotypes

open access: yesFEBS Letters, EarlyView.
GPR35 generates two functionally distinct isoforms with previously unresolved roles. GPR35‐short mediates immune‐cell chemotaxis, while GPR35‐long is enriched in colorectal cancer epithelium, where it supports increased metabolism, proliferation, and tumor‐associated transcriptional programs.
Jørgen D. Rønneberg   +14 more
wiley   +1 more source

Effect of Biostimulant, Manure Stabilizer, and Manure on Soil Physical Properties and Vegetation Status

open access: yesPlants
Food production sustainability is one of contemporary agriculture’s fundamental challenges. Farmers are currently facing high input prices in crop production and declining organic matter in the soil. For this reason, a field experiment was established to
Václav Novák   +2 more
doaj   +1 more source

Avaliação do contato pneu-solo em três modelos de pneus agrícolas Evaluation of foot print for three agricultural tire types

open access: yesEngenharia Agrícola, 2004
Este trabalho teve como objetivo avaliar as áreas de contato, as deformações elásticas dos pneus, a resistência do solo à penetração e os perfis do recalque no solo de três modelos de rodados pneumáticos.
Flávio R. Mazetto   +4 more
doaj   +1 more source

Flow Enabled Target Capture Halbach‐based magnetic enrichment increases circulating tumor cell capture from blood in metastatic cancer patients

open access: yesMolecular Oncology, EarlyView.
Pair‐wise comparison of the CellSearch and FETCH enrichment technologies for circulating tumor cells (CTCs) from metastatic breast, prostate, and small cell lung cancer patients shows an increased capture of CTCs using FETCH enrichment. The clinical implementation of circulating tumor cells (CTCs) as a predictive tool for therapy efficacy in the ...
Michiel Stevens   +6 more
wiley   +1 more source

Topsoil Compaction Risk Based on the Different Responses of Soil Structure to Compaction Stress

open access: yesAgronomy
Compaction leads to reduced crop yields, as the soil structure is destroyed. As soil structures respond differently to different degrees of compaction stress, early warnings for the risk of soil compaction caused by agricultural machinery need to be ...
Huiqing Zhang, Tingfeng He
doaj   +1 more source

Resistência do solo à penetração, após o tráfego com dois tipos de pneus utilizando-se um equipamento para ensaio dinâmico Soil penetration resistance after the traffic with two types of tyres using the dynamic test equipment

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2003
Com este trabalho objetivou-se, principalmente, avaliar a resistência do solo à penetração, em função do tipo de pneu (diagonal e radial) e da carga vertical, utilizando-se um equipamento de ensaio de pneu agrícola individual, e verificar os efeitos nas ...
Alberto K. Nagaoka   +4 more
doaj   +1 more source

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