Results 71 to 80 of about 123,753 (301)

A statistical model to estimate refractivity turbulence structure constant C sub n sup 2 in the free atmosphere [PDF]

, 1986
A computer program has been tested and documented (Warnock and VanZandt, 1985) that estimates mean values of the refractivity turbulence structure constant in the stable free atmosphere from standard National Weather Service balloon data or an equivalent
Vanzandt, T. E., Warnock, J. M.
core   +1 more source

Cellular Snowballing: Cell Adhesion and Migration Drive the Self‐Assembly of Cell‐Microgel Biohybrid Spheroids

Advanced Science, EarlyView.
A new class of biohybrid spheroids is engineered through the self‐assembly of adherent cells and extracellular matrix‐mimetic hydrogel microparticles (microgels). By mimicking a snowballing effect, this approach enables scalable formation of porous, millimeter‐scale spheroids with enhanced cell viability and molecular diffusion.
Zaman Ataie, Sina Kheirabadi, Changhao Li, Aneesh Risbud, Aswathy Sebastian, Istvan Albert, Sulin Zhang, Amir Sheikhi   +7 more
wiley   +1 more source

An unmanned aerial vehicle light detection and ranging Simultaneous Localisation And Mapping algorithm based on factor graph optimisation for tunnel 3D mapping

IET Radar, Sonar & Navigation
The current mature Simultaneous Localisation And Mapping (SLAM) algorithms, when applied to tunnel scenarios with point cloud degradation and poor lighting conditions, often lead to a sharp increase in the estimated attitude error of the unmanned aerial ...
Jian Xie, Zhuoping Wu, Bing Wang, Aoshu Xu, Yunfei Chen, Jing Li   +5 more
doaj   +1 more source

Damage Proxy Map of the Beirut Explosion on 4th of August 2020 as Observed from the Copernicus Sensors

Sensors, 2020
On the 4th of August 2020, a massive explosion occurred in the harbor area of Beirut, Lebanon, killing more than 100 people and damaging numerous buildings in its proximity.
Athos Agapiou
doaj   +1 more source

A comparison of optical and radar measurements of mesospheric winds and tides [PDF]

, 2000
Optical measurements of mesospheric winds by Fabry‐Perot spectrometers, FPSs, at Mawson, 67.6°S 62.9°E, and Davis, 68.6°S 78.0°E, Antarctica are compared with similar measurements obtained using a spaced‐antenna MF radar at Davis.
Baker, Charles, D. J. Murphy, Greet, Greet, Hernandez, Hernandez, Hines, Khattatov, Lesicar, Manson, Meek, P. A. Greet, P. L. Dyson, Palo, Plagmann, Portnyagin, R. Vincent, Vincent   +18 more
core   +1 more source

A Tac1‐Expressing Brainstem Pathway Underlies the Pathogenesis of Trigeminal Neuralgia

Advanced Science, EarlyView.
A critical TG‐Sp5CTac1‐PBNTac1 pathway drives trigeminal neuropathic pain (TNP). Tac1‐expressing parabrachial nucleus (PBNTac1) neurons exhibit heightened responses to innocuous stimuli in TNP, and chemogenetic inhibition of these neurons effectively prevents TNP development.
Liting Sun, Jia‐Jia Wang, Xiang‐Yu Li, Xin‐Yi Lin, Juan Li, Qiu‐Tong Yu, Zi‐Han Wang, Xue‐Ping Gao, Lei Jin, Wei‐Ke Li, Tian‐Lin Cheng, Juan Deng   +11 more
wiley   +1 more source

Investigations of dust in the upper atmosphere by optical radar Final report, 1 Jul. 1966 - 31 Jul. 1968 [PDF]

Upper atmospheric dust investigations using optical radar ...
Fiocco, G.
core   +1 more source

Surface roughness measuring system [PDF]

, 1978
Significant height information of ocean waves, or peaks of rough terrain is obtained by compressing the radar signal over different widths of the available chirp or Doppler bandwidths, and cross-correlating one of these images with each of the others ...
Jain, A.
core   +1 more source

Ultrastrong TEMPO‐Oxidized Densified Bamboo via Interface Decoupling and Hierarchical Toughening

Advanced Science, EarlyView.
This study develops TEMPO‐oxidized densified bamboo that achieves ultrahigh strength and toughness by decoupling rigid hydrogen bonds into reversible van der Waals interactions. TEMPO oxidation reorganizes the cellulose hydrogen‐bonding network, facilitating energy dissipation via reversible interactions, thereby establishing a general strategy to ...
Ziyu Ba, Hongyun Luo, Jie Cui, Juan Guan, Zhaoliang Guo, Robert O. Ritchie   +5 more
wiley   +1 more source

An Unconditionally Stable Cylindrical FDTD Method to Analyze the EM Ground Wave Propagation

International Journal of Antennas and Propagation, 2018
We extended the unconditionally stable associated Hermite (AH) FDTD method to the cylindrical coordinate system for analyzing the electromagnetic (EM) ground wave propagation.
Zheng-Yu Huang, Li-Hua Shi, Zheng Sun, Ying-Hui Zhou   +3 more
doaj   +1 more source