Results 151 to 160 of about 3,835 (233)

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

Numerical Study of Entropy Production in a Fluidic Oscillator. [PDF]

Entropy (Basel)
Dávalos JO, Cornejo-Monroy D, Villanueva-Montellano A, Ortiz-Muñoz D, Luviano-Cruz D.   +4 more
europepmc   +1 more source

Control System for the Navigation of the Agricultural Robots: A Review

Journal of Field Robotics, Volume 43, Issue 5, Page 3474-3505, August 2026.
ABSTRACT Control systems for the navigation of autonomous agricultural robots—particularly those operating in uneven terrain and in the presence of static or dynamic obstacles—have advanced considerably in recent years. As conventional machinery evolves toward increasingly automated systems, the design of reliable navigation controllers has become ...
Edna Carolina Moriones Polanía, Hugo Rafacho Fernandes, Daniel Albiero, Angel Pontin Garcia   +3 more
wiley   +1 more source

Computational assessment of flow dynamics and turbulence generation in hydrofoil-crested weirs. [PDF]

Sci Rep
Ghaderi A, Rezaei AH, Mohammadnezhadaghdam AH, Mohammadnezhad H.   +3 more
europepmc   +1 more source

Are Modern Droughts Unprecedented?

AGU Advances, Volume 7, Issue 5, August 2026.
Abstract Global drought variability of past centuries remains poorly understood due to sparse instrumental records and limited paleoclimate reconstructions. Yet, quantifying long‐term forced and unforced variability is key for assessing the extremeness of modern (2000–2024) drought events.
Patricia Helpap, Stefan Brönnimann, Ralf Hand, Jörg Franke, Christoph C. Raible, Benjamin D. Stocker   +5 more
wiley   +1 more source

Osteogenic Potential of Various Premixed Hydraulic Calcium Silicate-Based Sealers on Human Bone Marrow Stem Cells. [PDF]

Materials (Basel)
You NH, Lee D, Kim Y, Nam S, Kim SY.
europepmc   +1 more source

Estimating Baseline Flow Resistance Parameters for Remote Sensing River Discharge (RSQ) From River Morphology Characteristics

JAWRA Journal of the American Water Resources Association, Volume 62, Issue 4, August 2026.
ABSTRACT This study demonstrates that flow resistance in rivers, quantified via calibration of a modified Manning's equation, can inform its estimation from channel hydrometric information available from regional or global datasets for a limited set (N = 14) of rigorously calibrated river reaches in Alaska and with less certainty in a large set (N ...
David M. Bjerklie, Merritt E. Harlan, Ethan J. Shavers, Craig B. Brinkerhoff, Lawrence V. Stanislawski, J. Toby Minear, Robert W. Dudley   +6 more
wiley   +1 more source

Experimental Study on Coal Seam Fracturing Based on Hydrodynamic Horizontal Slitting-CO _<b>2</b> Blasting Collaboration. [PDF]

ACS Omega
Chen H, Zhang Y, Liu Q, Wu L, Li C, Li T, Liu M, Hu J, Tian Y.   +8 more
europepmc   +1 more source

Study on plugging law and plugging removal effect of pre filled screen in natural gas hydrate argillaceous silt reservoir. [PDF]

PLoS One
Shi H, Shi J, Du W, Ning F, Xie W, Zhang R, Yu Y.   +6 more
europepmc   +1 more source

The mechanism of permeability enhancement of coal seams by hydraulic fracturing based on the characterization of coal physical properties. [PDF]

Sci Rep
Zhao X, Zhao D, Nie B, Liu X, Liu P, Wang M, Hu B, Li H, Deng C, Duan Z.   +9 more
europepmc   +1 more source