Results 11 to 20 of about 3,299,372 (293)

Frequency domain estimation method of the characteristic period of the P wave of earthquakes

Frontiers in Physics
Early warning system earthquake alerts exploit the time delay that the surface waves have in reference to the P waves and estimate the magnitude based on the interpretation of the specific parameters of the P waves.
Codrin Donciu, Elena Serea, Marinel Costel Temneanu   +2 more
doaj   +3 more sources

Vertical Dynamics of the Upper Mureș Riverbed [PDF]

Aerul şi Apa: Componente ale Mediului
This study navigates the intricate landscape of the Mureș River's upper course, specifically through the contrasting terrains of the Giurgeu Depression and the Toplița-Deda Gorge.
Melinda VIGH, Csaba HORVÁTH
doaj   +1 more source

Superhump-like variation during the anomalous state of SU UMa [PDF]

, 2001
We observed an anomalously outbursting state of SU UMa which occurred in 1992. Time-resolved photometry revealed the presence of signals with a period of 0.0832 +/- 0.0019 d, which is 3.6 sigma longer than the orbital period (0.07635 d) of this system ...
Kato, Taichi
core   +2 more sources

The Period-Index Problem of the Canonical Gerbe of Symplectic and Orthogonal Bundles [PDF]

, 2015
We consider regularly stable parabolic symplectic and orthogonal bundles over an irreducible smooth projective curve over an algebraically closed field of characteristic zero.
Biswas, Indranil, Coskun, Emre, Dhillon, Ajneet   +2 more
core   +1 more source

On the origin of the reversed vortex ratchet motion [PDF]

, 2007
We experimentally demonstrate that the origin of multiply reversed rectified vortex motion in an asymmetric pinning landscape is a consequence not only of the vortex-vortex interactions but also essentially depends on the ratio between the characteristic
Gillijns, W., Moshchalkov, V. V., Reichhardt, C., Reichhardt, C. J. Olson, Silhanek, A. V.   +4 more
core   +1 more source

Introduction Performance and Cultivation Techniques of White Sapote in Guangdong Area

Guangdong nongye kexue, 2022
【Objective】The large-scale cultivation of white sapote in China is in its initial stage, and the adaptability of white sapote in Guangdong is not clear yet.
Yaqian WU, Juan LI, Panfeng TU, Jinyang LIU, Jiezhong CHEN, Qing YAO   +5 more
doaj   +1 more source

Site effect on strong-motion records of the 2011 Mw9.0 Tohoku earthquake in Japan

Geodesy and Geodynamics, 2011
Strong-motion site effect was checked for four sites at comparable epicentral distances from the March 11, 2011 Mw9.0 Tohoku earthquake in Japan.
Li Heng, Wang Ping, Feng Qian, Li Guanghong, Zhang Xinlin   +4 more
doaj   +1 more source

Characteristic multipliers for some periodic differential equations. [PDF]

Proceedings of the American Mathematical Society, 1969
Calculation of the characteristic multipliers is not routine since in general one does not know even one nontrivial solution of (1). However it is possible to obtain convergent series representations for the solutions and thus calculate approximate values for the multipliers [2], [8].
openaire   +2 more sources

Optimization of Characteristic Phenological Periods for Winter Wheat Extraction Using Remote Sensing in Plateau Valley Agricultural Areas in Hualong, China

Remote Sensing, 2022
It is important to develop or validate remote sensing methods to explore agricultural management and food self-sufficiency in the agricultural areas of the Qinghai–Tibet Plateau under the influence of global change, ecological protection, and socio ...
Shenghui Lv, Xingsheng Xia, Yaozhong Pan
doaj   +1 more source

Vertical dynamics of the upper Olt River channel [PDF]

Riscuri şi Catastrofe
The upper course of the Olt River traverses two major intramontane depressions in the Carpathians: the Ciuc Depression and the Brașov Depression, separated by the Tușnad Gorge.
MELINDA VIGH
doaj   +1 more source