使腐烂
发表于 2025-3-30 11:28:59
Two Miniaturized Printed Dual-Band Spiral Antenna Designs for Satellite Communication Systemssed antennas show good agreement. The computed and measured gains, and axial ratios are presented, showing that the performance of the proposed two antennas meets typical specifications for the intended applications.
Ccu106
发表于 2025-3-30 15:52:13
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Nucleate
发表于 2025-3-30 17:59:02
ilability and the development of plane grating mounts have contributed to the increasing popularity of grating spectrometers as com pared with the large prism spectrograph and concave grating mounts. Other areas of progress include new and improved methods for excitation, the use of controlled atmo
FADE
发表于 2025-3-30 20:53:24
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勉励
发表于 2025-3-31 02:55:16
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overweight
发表于 2025-3-31 07:43:25
Detection of Groundwater Flow Velocity Field in the Swash Zone of the Coral Gravel Beach Using Particle Tracking Velocimetryn the porous gravel bed where direct velocity measurement using conventional velocity meter instrument is not possible. Results show that magnitudes of vertical velocity components are comparable to those of horizontal velocity components by a factor of around 0.4 and have a time lead of around 0.1 of the wave period.
chalice
发表于 2025-3-31 12:58:58
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recession
发表于 2025-3-31 14:57:38
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有权
发表于 2025-3-31 19:55:18
On some recent developments in the theory of second order optimality conditions,