Results 51 to 60 of about 321,608 (299)

Characteristics of broadband lightning emissions associated with terrestrial gamma ray flashes [PDF]

open access: yes, 2011
To characterize lightning processes that produce terrestrial gamma ray flashes (TGFs), we have analyzed broadband (
Cummer, Steven A.   +5 more
core   +2 more sources

Bamboo‐Like Whiskers‐Reinforced Bioceramics Accelerate Large Segmental Bone Regeneration via Dual Modulation of Type‐H Vessels and Osteoinduction

open access: yesAdvanced Science, EarlyView.
The graphical abstract image of bamboo‐like whisker‐reinforced Ca‐P bioceramics accelerating large segmental bone regeneration. ABSTRACT Regenerative repair of segmental bone defect remains a major clinical challenge. The conventional mental implants suffer from mechanical strength mismatch and long‐term foreign bodies presence.
Cong Feng   +10 more
wiley   +1 more source

Differences in Optical Two-dimensional Morphological Characteristics of Downward Lightning Channels with Different Polarities

open access: yes应用气象学报
Proportions of positive and negative cloud-to-ground (CG) natural lightning are approximately 10% and 90%, respectively. Although the frequency of positive CG lightning is relatively low, these events are more likely to produce high current peaks ...
Mei Ji   +8 more
doaj   +1 more source

High-speed Video Observations on Abrupt Elongations of the Positive End of Bidirectional Leader

open access: yes应用气象学报, 2020
One of the most important advances in lightning physics research in recent decades is the introduction of the the bidirectional developmengt of leaders and its observation and verification, but this theory is not paid much attention until more and more ...
Wu Bin   +5 more
doaj   +1 more source

Field‐Driven Activation of Solid‐State Devices in Open Circuits for Energy Harvesting and Wireless Sensing

open access: yesAdvanced Science, EarlyView.
Time‐varying electric fields can activate solid‐state devices such as LEDs and capacitors for energy harvesting and powering in open circuits. The response of solid‐state devices to time‐varying electric fields caused by vibrations can be utilised for smart sensing of human motions and object vibrations.
Renyun Zhang   +6 more
wiley   +1 more source

MXenes: Bridging the Gap Between Advanced Materials and Sustainable Technologies in Energy and Environmental Applications

open access: yesAdvanced Electronic Materials, EarlyView.
MXenes, a family of two‐dimensional transition metal carbides and nitrides, exhibit exceptional physical and chemical properties tunable through surface functionalization. This review summarizes recent advances in MXene synthesis, property modulation, and composite fabrication.
Fatemeh Saeedi   +4 more
wiley   +1 more source

Automatic lightning location system [PDF]

open access: yes, 1972
Hyperbolic triangulation method was used for locating lightning storm path and position from VHF lightning charge emissions. Possible applications in electric power companies, forest fire lookout centers, airports, and pipeline companies are ...
Holdsworth, T., March, D. N.
core   +1 more source

Effects of oropharyngeal neuromuscular stimulation on the volumetric enlarged and reduced tongue base in minipigs

open access: yesThe Anatomical Record, EarlyView.
Abstract Hypoglossal nerve or tongue protruding muscle stimulation is a current treatment option for obstructive sleep apnea. Thus, the present study analyzed 3D deformations of the volumetric enlarged and reduced tongue base upon oropharyngeal neuromuscular stimulation.
Sydney Chen   +2 more
wiley   +1 more source

Visualizing Specific Tubulin Isotypes and Pathogenic Variants in Cellular Microtubule Arrays

open access: yesCytoskeleton, EarlyView.
ABSTRACT Eukaryotic cells depend on dynamic microtubule arrays to execute a wide range of functions vital for life. These microtubule filaments are formed through the polymerization of α/β‐tubulin proteins, which can be generated from numerous tubulin genes, or isotypes.
Sareen Fiaz   +2 more
wiley   +1 more source

The Sandia transportable triggered lightning instrumentation facility [PDF]

open access: yes, 1991
Development of the Sandia Transportable Triggered Lightning Instrumentation Facility (SATTLIF) was motivated by a requirement for the in situ testing of a munitions storage bunker.
Fisher, Richard J., Schnetzer, George H.
core   +1 more source

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