COST Action 280
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چکیده
The paper describes possibilities of refractive index height profile estimations using field measurement at a receiver site of a terrestrial point-to-point link in terms of angleof-arrival (AOA) spectra. Several refractivity models based on orthogonal function set are introduced to improve the estimation accuracy.
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The ultraviolet action spectrum for stomatal opening in broad bean.
The ultraviolet action spectrum for stomatal opening was measured using epidermal peels from leaves of broad bean (Vicia faba). The spectrum was calculated from hyperbolic fluence response curves using 11 wavelengths ranging from 275 to 459 nm. The action spectrum exhibits a major peak at approximately 280 nm and a minor peak at approximately 360 nm. The response at 280 nm is about three times ...
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