نتایج جستجو برای: dependent rotation
تعداد نتایج: 756192 فیلتر نتایج به سال:
Spatially resolved velocity profiles are presented for nine faint field galaxies in the redshift range 0.1 ∼ < z ∼ < 1, based on moderate–resolution spectroscopy obtained with the Keck 10 m telescope. These data were augmented with high–resolution Hubble Space Telescope images from WFPC2, which provided V and I photometry, galaxy type, orientation, and inclination. The effects of seeing, slit w...
The measurement of d coefficients from second-harmonic efficiencies in crystal spheres is studied. KH2PO4 is used as a reference for measurements in spheres and with the Maker-fringes technique. As an example, unknown d coefficients in an orthorhombic mannitol, C6H14O6, in which large coefficients of optical rotation have recently been measured, are determined as d123 = 0.06(2) pm V −1 and comp...
Kirsty Hannam,1,* David A. Powell,1 Ilya V. Shadrivov,1 and Yuri S. Kivshar1,2 1Nonlinear Physics Center, Research School of Physics and Engineering, Australian National University, Canberra, Australian Capital Territory 0200, Australia 2National Research University of Information Technology, Mechanics and Optics, St. Petersburg 197101, Russia (Received 23 January 2014; revised manuscript recei...
We report a method to determine the four Stokes parameters of each spectral component in a broadband terahertz (THz) pulse by using a continuously rotating analyzer and a standard THz time domain spectroscopy (THz-TDS) instrument. A complete characterization of the polarization state at each frequency is obtained through a single time-domain measurement. Our method requires no specialized THz e...
We suggest that the DNA molecules could form the cholesteric phase owing to an interaction mediated by the network of the hydrogen bonds (H-network) in the solvent. The model admits of the dependence of the optical activity of the solution on the concentration of the PEG, and the change in the sense of the cholesteric twist due to the intercalation by the daunomicyn. Using the experimental data...
It is well established that performance on standard mental rotation tasks improves with training (Peters et al., 1995), but thus far there is little consensus regarding the degree of transfer to other tasks which also involve mental rotation. In Experiment 1, we assessed the effect of mental rotation training on participants' Mental Rotation Test (MRT) scores. Twenty-eight participants were ran...
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