Results 41 to 50 of about 781,821 (303)

VARIASI KETINGGIAN LAPISAN F IONOSFER PADA SAAT KEJADIAN SPREAD F [PDF]

, 2009
Ionosfer, yang merupakan daerah atmosfer terionisasi, dapat dibagi menjadi 4 daerah yaitu daerah D, E, F1 dan F2. Daerah D terletak pada ketinggian sekitar 50 – 90 km, daerah E antara 90 – 140 km, daerah F1 antara 140 – 210 km dan daerah F2 diatas 210 km.
Buldan, Muslim, Mumen, Tarigan
core  

Why and When Are Evidence‐Based Interventions Adopted in Paediatric Supportive Care? A Qualitative Exploration of the Determinants of Photobiomodulation Implementation

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Oral mucositis is a common and debilitating side effect of childhood cancer and stem cell transplant treatments. It affects the quality of life of children and young people (CYP) and places a strain on services. Photobiomodulation is recommended for oral mucositis prevention in international guidance but is poorly implemented in UK ...
Claudia Heggie, Kara A. Gray‐Burrows, Peter F. Day, Bob Phillips, Carl A. Thompson   +4 more
wiley   +1 more source

Automatic Spread-F Detection Using Deep Learning

Radio Science, 2021
Abstract Spread‐F (SF) is a feature that can be visually observed on ionograms when the ionosonde signals are significantly impacted by plasma irregularities in the ionosphere. Depending on the scale of the plasma irregularities, radio waves of different frequencies are impacted differently when the signals pass through the ionosphere.
Christopher Luwanga, Tzu‐Wei Fang, Amal Chandran, Yu‐Ju Lee   +3 more
openaire   +2 more sources

ANALISIS KEJADIAN SPREAD F IONOSFER PADA GEMPA SOLOK 6 MARET 2007

JIF (Jurnal Ilmu Fisika), 2013
Analisis kejadian Spread F menggunakan data ionosonda FMCW di stasiun pengamat dirgantara LAPAN Kototabang telah dilakukan untuk melihat keterkaitan antara kejadian gempa bumi Solok dengan kemunculan Spread F.
Dwi Pujiastuti, Badrul Mustafa
doaj   +1 more source

Statistical Analysis of SF Occurrence in Middle and Low Latitudes Using Bayesian Network Automatic Identification

Remote Sensing, 2023
Spread-F (SF) is one of the most important types of the ionospheric irregularities as it causes ionospheric scintillation which can severely affect the performance and reliability of communication, navigation, and radar systems.
Jian Feng, Yuqiang Zhang, Shuaihe Gao, Zhuangkai Wang, Xiang Wang, Bo Chen, Yi Liu, Chen Zhou, Zhengyu Zhao   +8 more
doaj   +1 more source

Observations of GPS ionospheric scintillations over Wuhan during geomagnetic storms [PDF]

, 2006
International audienceDuring the two geomagnetic storms which occurred on 1 October 2002 and 22 January 2004, the strong ionospheric scintillations of the GPS L1 band were observed at Wuhan station (30.6° N, 114.4° E, 45.8° Dip), which is situated near ...
Li, G., Ning, B., Wan, W., Zhao, B.
core   +3 more sources

Dexamethasone for Chemotherapy‐Induced Nausea and Vomiting Prevention in Pediatric Patients: International Consensus

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background An international Delphi panel of experts developed consensus statements to delineate the circumstances where the risks of dexamethasone as an antiemetic do and do not outweigh its benefits. Procedure Experts in supportive care of pediatric patients were invited to participate.
Negar Shavandi, Paula D. Robinson, Shana Jacobs, L. Lee Dupuis, the International Pediatric Dexamethasone Panel, Sameer Bakhshi, Tiene Bauters, Eva Brack, Simone Cesaro, Claire Fosbrook, Jason Freedman, Tamara MacDonald, Eloise Neumann, Venkatraman Radhakrishnan, Rod Rassekh, Florian Slimano, Johnathan Soggee, Joel Thompson, Marianne van de Wetering, Milena Villarroel, Jasper Wong   +20 more
wiley   +1 more source

Survival Outcomes and Complications Among Canadian Children With Retinoblastoma: A Population‐Based Report From CYP‐C

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose Retinoblastoma (RB) is the most common pediatric ocular cancer, yet population‐based data on survival and risk factors remain limited. This study aimed to describe survival in a large national RB cohort and identify predictors of death and complications.
Samuel Sassine, Ofélie Trudeau‐Ferrin, Caroline Laverdière, Patrick Hamel, Rosanne Superstein, Bénédicte Koukoui, Carole Provost, Paul C. Nathan, Vijay Ramaswamy, Furqan Shaikh, Brenda Gallie, Ashwin Mallipatna, Stephanie Kletke, Helen Dimaras, Hallie Coltin   +14 more
wiley   +1 more source

Climatology of the spread F over Roquetes, Spain: Impact of the medium scale traveling ionospheric disturbances

Journal of Space Weather and Space Climate
Understanding the long-term variability of nighttime Spread F (SF) and its drivers is crucial for improving the knowledge of ionospheric disturbances, which impact radio communication, GNSS positioning, and space weather forecasting.
Paul Krishnendu Sekhar, Haralambous Haris, Altadill David, Segarra Antoni, Navas-Portella Víctor, de Paula Víctor   +5 more
doaj   +1 more source

Forecasting Equatorial Ionospheric Convective Instability With ICON Satellite Measurements

Space Weather, 2023
Measurements from the Ionospheric Connections Explorer satellite (ICON) form the basis of direct numerical forecast simulations of plasma convective instability in the postsunset equatorial F region ionosphere.
D. L. Hysell, A. Kirchman, B. J. Harding, R. A. Heelis, S. L. England   +4 more
doaj   +1 more source