Results 101 to 110 of about 149 (132)

A Hybrid Compliant–Tendon Laparoscopic Instrument for Distal Articulation and Grasping: Design and Experimental Validation

The International Journal of Medical Robotics and Computer Assisted Surgery, Volume 22, Issue 4, August 2026.
ABSTRACT Background Conventional laparoscopic instruments provide limited dexterity in confined anatomical environments, whereas existing articulated designs rely on complex rigid joints or motorised actuation, increasing mechanical complexity and limiting miniaturisation.
Prabhat Kumar, Bhallamudi Ravi
wiley   +1 more source

Preconditioning of Polynya Formation by Ocean Mixing at Maud Rise, Antarctica

Journal of Geophysical Research: Oceans, Volume 131, Issue 8, August 2026.
Abstract Antarctic open‐ocean polynyas trigger vigorous wintertime convection, influencing ocean circulation and atmospheric processes. In the Weddell Sea, interaction between the Weddell Gyre and the Maud Rise seamount generates a Taylor column that favors polynya formation.
Xingchi Wang, Alberto C. Naveira Garabato, Bieito Fernández Castro, Xin Wang, Sebastiaan Swart, Marcel Du Plessis, Aditya Narayanan, Alessandro Silvano, Louis Clément, Margaret Ruth Lindeman   +9 more
wiley   +1 more source

Rolled‐crimped cover crops for organic no‐till planted winter wheat (Triticum aestivum) in the Northeast region of the United States

Agrosystems, Geosciences & Environment
Mulch from cover crops can suppress weeds and facilitate organic no‐till corn and soybean production. However, research is lacking on the no‐till planting small grain crops into rolled‐crimped cover crops.
Matthew R. Ryan, Terry J. Rose, Sandra Wayman, Christopher J. Pelzer, Uriel D. Menalled   +4 more
doaj   +1 more source

MAUSAM: An Observations‐Focused Assessment of Global AI Weather Prediction Models During the South Asian Monsoon

Journal of Advances in Modeling Earth Systems, Volume 18, Issue 8, August 2026.
Abstract Past evaluation of artificial intelligence (AI) weather prediction has primarily relied on reanalyses, which can obscure important deficiencies due to prevailing biases in reanalyses themselves. Here, we present MAUSAM (Measuring AI Uncertainty during South Asian Monsoon), an evaluation of seven leading AI‐based prediction systems—FourCastNet,
Aman Gupta, Aditi Sheshadri, Dhruv Suri
wiley   +1 more source

The predatory behavior of ants: an impressive panoply of morphological adaptations

Insect Science, Volume 33, Issue 4, Page 1256-1284, August 2026.
This review focuses on predation in ants, showing the wide diversity of cases from solitary foraging to group hunting tactics, as well as the evolution of mandible shape frequently adapted to capture specific prey. Although most ants are generalist feeders, finding their sugary substances directly on plants or indirectly via sap‐sucking insects, some ...
Alain Dejean, Xim Cerdá, Jérôme Orivel, Frédéric Azémar, Alexander L. Wild, Bruno Corbara, Axel Touchard   +6 more
wiley   +1 more source

Systemic infection of tobacco mosaic virus is limited by upward transport and phloem unloading without coat protein

The Plant Journal, Volume 127, Issue 3, August 2026.
SUMMARY Coat protein (CP) is widely viewed as essential for systemic infection of tobacco mosaic virus (TMV), yet the mechanistic basis of this requirement remains incompletely resolved. In this study, we show that TMV can still achieve long‐distance vascular transport in the absence of CP, but systemic infection becomes intermittent because the ...
Minhue Jung, Kook‐Hyung Kim
wiley   +1 more source

Agroecological service crop termination with a roller-crimper in organic vegetable systems : a good alternative to conventional soil tillage?

, 2017
Les principaux problèmes en agriculture biologique sont la gestion des adventices et la fertilité des sols, particulièrement pour le maraîchage qui est caractérisé par un travail intensif du sol et une forte irrigation, ainsi que l’utilisation courante de paillages plastiques.
openaire   +1 more source

Effects of Crimping by Oggun Tractor-mounted Roller/crimper on Cover Crop Termination, Soil Strength, and Soil Moisture in Upland Cambodia

International Journal of Environmental and Rural Development, 2020
HIN, LYHOUR, BUNTONG, BORARIN, REYES, MANUEL R., HOK, LYDA   +3 more
openaire   +1 more source

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Use of a mechanical roller-crimper as an alternative kill method for cover crops

Renewable Agriculture and Food Systems, 2003
AbstractCover crops have long been recognized as a beneficial component of many cropping systems; however, their use is still not commonplace. Usage may be increased by identifying more cost-effective and environment-friendly techniques for cover-crop management.
D W Reeves
exaly   +4 more sources

Agroecological service crops managed with roller crimper reduce weed density and weed species richness in organic vegetable systems across Europe [PDF]

Agronomy for Sustainable Development, 2019
AbstractAgroecological service crops are introduced into the vegetable crop rotation to provide agroecosystem services, and are a key strategy for weed management in organic systems. Organic farmers across Europe usually terminate these crops before cultivation of the subsequent cash crop, using them as green manure.
Elena Testani, Corrado Ciaccia, Chamorro L   +2 more
exaly   +4 more sources