Results 231 to 240 of about 3,985 (273)

Water recovery of drying waste using a thermoelectric cooler and PV/T assisted. [PDF]

Sci Rep
Elbrashy A, El-Fakharany MK, Al-Sood MA, Abou-Taleb FS, Essa FA.   +4 more
europepmc   +1 more source

Effect of single and repeated-dose oral administration of carbon tetrachloride on liver in zebrafish. [PDF]

J Toxicol Pathol
Furukawa S, Nakajima Y, Fujiwara N, Toyohisa S, Misawa Y, Takeuchi K.   +5 more
europepmc   +1 more source

Enlarged vestibular aqueduct with bilateral sensorineural hearing loss following cranial trauma: a case report. [PDF]

Braz J Otorhinolaryngol
Gasperin AC, Monteiro BT, Zawierucha EPS, Minniti EGO, Alves MRS, Passos PHV.   +5 more
europepmc   +1 more source

Whistler echo trains triggered by energetic winter lightning. [PDF]

Nat Commun
Kolmašová I, Santolík O, Manninen J.
europepmc   +1 more source

Atmospheric Ducting Effect in Wireless Communications: Challenges and Opportunities

Journal of Communications and Information Networks, 2021
Atmospheric ducting has a significant impact on electromagnetic wave propagation. Radio signals that are trapped and guided by the atmospheric duct can travel a much longer distance over the horizon with lower attenuation since the signal power does not spread isotropically through the atmosphere.
Fangfang Liu 0008, Jiaxi Pan, Xiangwei Zhou, Geoffrey Ye Li   +3 more
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Analysis of Missing Cloud Echoes in Atmospheric Duct

2019 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC), 2019
In order to analyze the phenomenon of missing cloud echoes of doppler weather radar in Dalian in July 25, 2006, the atmospheric duct is calculated by using the atmospheric temperature and humidity profiles measured at that time. According to the calculated atmospheric duct, the parabolic numerical equation model and radar cloud echo detection distance ...
Hua Wang, Yunbo Li, Haichuan Tang, Lin Jiao   +3 more
exaly   +2 more sources

Predicting Duct Height in Atmospheric Duct by Neural Network

Advanced Materials Research, 2012
The experimental data show that Southeast China Sea has a higher occurrence probability of atmospheric duct. Based on modified refractivity, Neural Network was introduced to predict the duct height of evaporation duct and analyze the anomalous propagation of electromagnetic wave in marine evaporation duct.
exaly   +2 more sources

Trends and frontiers of atmospheric duct research based on CiteSpace and deep learning

Environmental Science and Pollution Research, 2022
The research of evaporation duct is of fundamental importance in the radar and signal communication industry. Particularly, in a real atmosphere environment, most of the radar holes cannot be corrected in time because of the persistent evaporation duct phenomenon.
Jiajing Wu, Zhiqiang Wei, Jinpeng Zhang   +2 more
exaly   +3 more sources

Prediction of Electromagnetic Shadow Zone in Atmospheric Duct

The 2006 4th Asia-Pacific Conference on Environmental Electromagnetics, 2006
Electromagnetic shadow zone is an important propagation character which is caused by atmospheric duct. The purpose of this paper is to find a method to predict such shadow zone. Two numerical models are introduced in this paper. The first one is used to predict the top hole in evaporation duct. The other one is to predict the skip zone in surface duct.
Zhang Yong-Gang
exaly   +2 more sources