Results 171 to 180 of about 8,091,828 (309)

Continuum Mechanics Modeling of Flexible Spring Joints in Surgical Robots

open access: yesAdvanced Robotics Research, EarlyView.
A new mechanical model of a tendon‐actuated helical extension spring joint in surgical robots is built using Cosserat rod theory. The model can implicitly handle the unknown contacts between adjacent coils and numerically predict spring shapes from straight to significantly bent under actuation forces.
Botian Sun   +3 more
wiley   +1 more source

Relationship between urine specific gravity and the prevalence rate of kidney stone. [PDF]

open access: yesTransl Androl Urol, 2021
Mao W   +7 more
europepmc   +1 more source

Gait Analysis of Pak Biawak: A Necrobot Lizard Built using the Skeleton of an Asian Water Monitor (Varanus Salvator)

open access: yesAdvanced Robotics Research, EarlyView.
Pak Biawak, a necrobot, embodies an unusual fusion of biology and robotics. Designed to repurpose natural structures after death, it challenges conventional boundaries between nature and engineering. Its movements are precise yet unsettling, raising questions about sustainability, ethics, and the untapped potential of biointegrated machines.
Leo Foulds   +2 more
wiley   +1 more source

Synovial fluid specific gravity as an inexpensive point-of-care test for diagnosing hip and knee periprosthetic joint infection. [PDF]

open access: yesJ Bone Jt Infect
Sebastian S   +6 more
europepmc   +1 more source

Interobserver reliability of canine urine specific gravity assessed by analog or digital refractometers. [PDF]

open access: yesJ Vet Diagn Invest, 2021
Rowe JC   +7 more
europepmc   +1 more source

Trade in Services: Does Gravity Hold? A Gravity Model Approach to Estimating Barriers to Services Trade [PDF]

open access: yes
This paper assesses the determinants of trade in services using a gravity model, with particular attention given to the role of barriers to services trade. Initially, the application of the gravity equation to services trade is examined.
Keith Walsh
core  

A Self‐Healing Permanent Magnet Putty for Soft Robot Skins With Force Sensing and Functional Recovery

open access: yesAdvanced Robotics Research, EarlyView.
Permanent magnet putty (PMP) integrates high‐coercivity NdFeB particles with a dynamic polyborosiloxane–Ecoflex matrix, achieving rapid self‐healing (90% mechanical recovery in 10 s) and magnetic recovery within 20 min. With twice the sensitivity of commercial putties, PMP enables precise 5–30 N force detection and discrimination between pressing and ...
Ruotong Zhao   +5 more
wiley   +1 more source

Exposure of urine of domestic cats to different substrates: impact on urine specific gravity. [PDF]

open access: yesJ Feline Med Surg
Prueza de Almeida Luna Alves AP   +6 more
europepmc   +1 more source

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