Results 51 to 60 of about 1,156,215 (298)

Accurate polarization calibration of FAST spectral data for measurements of Zeeman splittings of OH megamasers in IRAS 02524+2046

Astronomy & Astrophysics
Context. An accurate polarization calibration is essential for a spectral data analysis and Zeeman splitting measurements. Two anomalies challenge our understanding of OH megamasers in IRAS 02524+2046: an unexplained 1667/1665 MHz flux-ratio deviation ...
Hou L. G., Gao X. Y., Hong T., Han J. L.
doaj   +1 more source

Magnetic fields from inflation?

, 2009
We consider the possibility of generation of the seeds of primordial magnetic field on inflation and show that the effect of the back reaction of this field can be very important.
, , A.D. Dolgov, C. Caprini, Hector Rubinstein, K. Bamba, O. Tornkvist, P.P. Kronberg, V. Mukhanov, V. Mukhanov, Viatcheslav Mukhanov, Vittoria Demozzi   +11 more
core   +1 more source

Predicting Epileptogenic Tubers in Patients With Tuberous Sclerosis Complex Using a Fusion Model Integrating Lesion Network Mapping and Machine Learning

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Accurate localization of epileptogenic tubers (ETs) in patients with tuberous sclerosis complex (TSC) is essential but challenging, as these tubers lack distinct pathological or genetic markers to differentiate them from other cortical tubers.
Tinghong Liu, Qi Wang, Suhui Kuang, Dezhi Cao, Ping Ding, Shaohui Zhang, Haihua Wei, Zhirong Wei, Jinshan Xu, Xinyu Huang, Bing Liu, Shuli Liang   +11 more
wiley   +1 more source

Magnetic fields from reionisation

, 2005
We present a complementary study to a new model for generating magnetic fields of cosmological interest. The driving mechanism is the photoionisation process by photons provided by the first luminous sources.
Beck, Benson, Biermann, Carilli, Davies, Giovannini, Gnedin, Gnedin, Grasso, Hu, Hummer, J.-L. Puget, Kim, Kronberg, Langer, M. Langer, Madau, Madau, Massacrier, Mo, N. Aghanim, Oh, Peebles, Pudritz, Sazonov, Seager, Shang, Springel, Subramanian, Telfer, Valageas, Venkatesan, Wasserman, Widrow, Yu   +34 more
core   +3 more sources

ALS With and Without Upper Motor Neuron Signs: A Comparative Study Supporting the Gold Coast Criteria

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective The Gold Coast criteria permit diagnosis of amyotrophic lateral sclerosis (ALS) even without upper motor neuron (UMN) signs. However, whether ALS patients with UMN signs (ALSwUMN) and those without (ALSwoUMN) share similar characteristics and prognoses remains unclear.
Hee‐Jae Jung, E‐nae Cheong, Jungmin So, Heung‐Won Kang, Yangsean Choi, Eun‐Jae Lee, Hyunjin Kim, Young‐Min Lim   +7 more
wiley   +1 more source

MAGNETIC FIELDS OF STARS

Odessa Astronomical Publications, 2008
Now it is known about 1212 stars of the main sequence and giants (from them 610 stars - it is chemically peculiarity (CP) stars) for which direct measurements of magnetic fields were spent (Bychkov et al.,2008).
V. D. Bychkov, L. V. Bychkova, J. Madej
doaj   +1 more source

Magnetic field measurements and wind-line variability of OB-type stars [PDF]

, 2008
Context. The first magnetic fields in O- and B-type stars that do not belong to the Bp-star class, have been discovered. The cyclic UV wind-line variability, which has been observed in a significant fraction of early-type stars, is likely to be related ...
A. Tijani, Abt, Abt, Adelman, Adelman, Aerts, B. Plaggenborg, B. van Dalen, Bagnulo, Bates, Berghöfer, Blazko, Braithwaite, Briquet, Bychkov, C. Neiner, Catala, Chadid, Charbonneau, Cohen, Cranmer, Crowther, Crutcher, de Jong, de Jong, Donati, Donati, Donati, Donati, Donati, E. Verdugo, Farnsworth, Ferrario, Fullerton, Fullerton, Gies, Grigsby, Gualandris, H. F. Henrichs, Halliwell, Harnden, Heger, Henrichs, Henrichs, Henrichs, Hill, Howarth, Hubrig, Hubrig, Hubrig, J. de Jong, K. L. J. Rygl, K. Wiersema, Kaper, Kaper, Kaper, Kodaira, Koen, Lyubimkov, MacDonald, Maeder, Maeder, Maheswaran, Manchester, Markova, Mathys, Mathys, Maíz-Apellániz, Mokiem, Morel, Morel, Mullan, Neiner, Neiner, Neiner, Niemczura, Olevic, Oskinova, Oskinova, Peters, Peterson, Pintado, Pourbaix, Prinja, R. S. Schnerr, Reid, Reid, Rodríguez-Merino, Saad, Schnerr, Schulz, Seward, Shore, Slettebak, Spruit, Stankov, ud-Doula, V. C. Geers, Valenti, Villamariz, Villamariz, Wade, Wade, Walborn, Walborn, Walborn, Wickramasinghe, Wolff   +107 more
core   +4 more sources

Development of a Prediction Model for Progression Risk in High‐Grade Gliomas Based on Habitat Radiomics and Pathomics

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To investigate the value of constructing models based on habitat radiomics and pathomics for predicting the risk of progression in high‐grade gliomas. Methods This study conducted a retrospective analysis of preoperative magnetic resonance (MR) images and pathological sections from 72 patients diagnosed with high‐grade gliomas (52 ...
Yuchen Zhu, Yuxi Gong, Weilin Xu, Xingjian Sun, Gefei Jiang, Lei Qiu, Kexin Shi, Mengxing Wu, Yinjiao Fei, Jinling Yuan, Jinyan Luo, Yurong Li, Yuandong Cao, Minhong Pan, Shu Zhou   +14 more
wiley   +1 more source

Star Formation and Galaxy Dynamo Equations with Random Coefficients

Open Astronomy, 2015
We study the influence of star formation on magnetic field in galaxies. Two approaches have been used to describe this mechanism. The first one uses some averaged approximate kinematic characteristics that appear in the galactic dynamo equations.
Mikhailov E. A., Modyaev I. I.
doaj   +1 more source

A Possible Origin of Magnetic Fields in Galaxies and Clusters: Strong Magnetic fields at z~10?

, 2005
We propose that strong magnetic fields should be generated at shock waves associated with formation of galaxies or clusters of galaxies by the Weibel instability, an instability in collisionless plasmas.
Fujita, Yutaka, Kato, Tsunehiko N.
core   +1 more source