Results 81 to 90 of about 154,829 (285)

Uniform current in graphene strip with zigzag edges

open access: yes, 2009
Graphene exhibits zero-gap massless-Dirac fermion and zero density of states at E = 0. These particles form localized states called edge states on finite width strip with zigzag edges at E = 0.
Cresti A.   +7 more
core   +1 more source

Development of Laterally Graded X‐Ray Multilayer Optics

open access: yesAdvanced Materials Technologies, EarlyView.
This work presents the development of laterally graded X‐ray multilayer optics with both constant and variable lateral gradients. By precisely controlling substrate speed profiles and mask design, these multilayers achieve highly accurate lateral gradients and excellent sagittal thickness uniformity, making them ideal for spectroscopy application at ...
Arindam Majhi   +11 more
wiley   +1 more source

Medijų auditorijų aktyvumo raiška daugiaterpėje medijų aplinkoje

open access: yesInformacijos Mokslai, 2015
Įsitvirtinusi suasmeninta medijų naudojimo veikla, atrodo, negrįžtamai pakeitė medijų naudojimo įpročius bei motyvus. Tačiau auditorijos studijos susitelkia į tai, kas bendra medijų naudotojams kaip bendrijai, kas kuria jų patirtį ir vienija laike bei ...
Daiva Siudikienė
doaj   +1 more source

4D Printing of Multimaterial Flexible Magneto‐Active Polymers

open access: yesAdvanced Materials Technologies, EarlyView.
Magneto‐active polymers are 3D‐printed with tunable mechanical and magnetic properties using both superparamagnetic and hard ferromagnetic fillers. Nano‐CT imaging reveals the spatial distribution of particles within the matrix. Programmable magnetization patterns and soft, flexible architectures enable responsive actuation, offering exciting ...
Naji Tarabay   +6 more
wiley   +1 more source

UTILIZATION OF MIND-BODY PRACTICES FOR ADULTS WITH FIBROMYALGIA: 2017 NATIONAL HEALTH INTERVIEW SURVEY [PDF]

open access: yes, 2019
Fibromyalgia (FM) is a medical condition characterized by chronic pain and tenderness. Individuals with FM may experience burdensome symptoms, which impact their health-related quality of life.
CONTRERAS, JENNIFER
core   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

open access: yesAdvanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu   +5 more
wiley   +1 more source

Tai-chi-chuan and yoga onpostexercise hypotension: comparison to aerobic and resistance exercise

open access: yesFisioterapia em Movimento
Introduction: Tai-Chi-Chuan and Yoga have becoming popular practices. However is unclear the cardiovascular effects, and if they present similar behavior to aerobic and resistance sessions.
João Douglas Alves   +5 more
doaj   +1 more source

Cross‐Scale Hierarchical Targeted Delivery System Based on Small‐Scale Magnetic Robots

open access: yesAdvanced Robotics Research, EarlyView.
This article reviews a cross‐scale hierarchical targeted delivery system that integrates magnetic continuum robots and magnetic microrobots. By combining rapid long‐range navigation with precise microscale targeting, the system overcomes key limitations of single‐scale approaches.
Junjian Zhou   +4 more
wiley   +1 more source

The effect of Tai Chi on plasma homocysteine in 1176 adults: a propensity score matching-based study

open access: yesBMC Cardiovascular Disorders
Background Tai Chi is a low-impact form of exercise that involves a series of slow movements that flow together. Increased plasma homocysteine(Hcy) levels are associated with an increased risk of cardiovascular diseases and may be reduced by exercise ...
Yingchun Gu   +4 more
doaj   +1 more source

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