Results 41 to 50 of about 399,174 (293)

Compliant Pneumatic Feet with Real‐Time Stiffness Adaptation for Humanoid Locomotion

open access: yesAdvanced Robotics Research, EarlyView.
A compliant pneumatic foot with real‐time variable stiffness enables humanoid robots to adapt to changing terrains. Using onboard vision and pressure control, the foot modulates stiffness within each gait cycle, reducing impact forces and improving balance. The design, cast in soft silicone with embedded air chambers and Kevlar wrapping, offers durable,
Irene Frizza   +3 more
wiley   +1 more source

Monogamy of entanglement without inequalities [PDF]

open access: yes, 2018
We provide a fine-grained definition for monogamous measure of entanglement that does not invoke any particular monogamy relation. Our definition is given in terms an equality, as oppose to inequality, that we call the "disentangling condition".
Gour, Gilad, Guo, Yu
core   +2 more sources

Collaborating with transnational families: Learning from the experiences of family caretakers, educators, psychologists, and spiritual leaders in Honduras

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract This manuscript centers on the experiences of caretakers of minors in Honduran transnational families (TNFs) in which one or both parents emigrated, and of the schoolteachers, professional psychologists, and spiritual leaders working with these families.
Marco Gemignani   +2 more
wiley   +1 more source

Migration characteristics and disaster reduction and erosion prevention mechanism of thick and hard roof in deep filling mining

open access: yesMeitan kexue jishu
To address the issue of rock burst disasters induced by the fracture of thick-hard roof strata, focuses on deep thick and hard roof. By integrating theoretical analysis, engineering experiments, and field monitoring, the fracture characteristics of thick-
Erhu BAI   +6 more
doaj   +1 more source

Study on Fracture and Stress Evolution Characteristics of Ultra-Thick Hard Sandstone Roof in the Fully Mechanized Mining Face with Large Mining Height: A Case Study of Xiaojihan Coal Mine in Western China

open access: yesAdvances in Civil Engineering, 2018
Ultra-thick hard sandstone roofs present high thickness, poor delamination, and wide caving range. The strata pressure of the working face during actual mining increases, having a significant influence on the safe mining of the working face.
Feng Ju   +4 more
doaj   +1 more source

Rapid Profiling of Marine Notches Using a Handheld Laser Distance Meter [PDF]

open access: yes, 2012
A rapid, single-user profiling method for rocky shores is described. The Leica Disto D8 handheld laser distance meter measures distance up to 100 m and inclination in 360 degrees.
Andrade F.   +7 more
core   +1 more source

An Evaluation of Mortality Rates and Their Determinants in a Cohort of Former Asbestos Miners in South Africa

open access: yesAmerican Journal of Industrial Medicine, EarlyView.
ABSTRACT Background A causal association between occupational asbestos exposure and lung disease, including pneumoconiosis and mesothelioma, is well established. Elevated mortality among former asbestos miners is expected. However, large‐scale South African studies examining all‐cause mortality in this population are lacking.
Yumna Williams‐Mohamed   +3 more
wiley   +1 more source

Fracture instability and pre-splitting weakening characteristics of composite hard roof under mining action

open access: yesMeitan xuebao
In the process of mining, the elastic energy release of hard roof breaking is easy to induce impact disaster. In particular, there are multi-layer hard roofs above the coal seams in the Shaanxi-Inner Mongolia region.
Yanjun LI
doaj   +1 more source

The Baptist Church in Warren: Rehabilitation and Preservation Report [PDF]

open access: yes, 2013
The Baptist Church in Warren is located in the Warren Waterfront Historic National Register District. Warren also has a Voluntary Historic District. Both the National Register Nomination and the Voluntary Historic District have regulations which pertain ...
Bambara, Lauren   +4 more
core   +1 more source

Mixed State Entanglement Measures for Intermediate Separability

open access: yes, 2009
To determine whether a given multipartite quantum state is separable with respect to some partition we construct a family of entanglement measures R_m. This is done utilizing generalized concurrences as building blocks which are defined by flipping of M ...
Hiesmayr, Beatrix C.   +3 more
core   +1 more source

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