The aim of this study was to assess the impact of isolation on forest bird communities in agricultural landscapes in The Netherlands. We studied the avifauna of 235 small (0.1-39 ha) woodlots composed of mature deciduous trees in 1984-1985. These woodlots were selected in the eastern and ...
The relatively well-studied silk of the was compared to the dragline silk of the spider . Spectra were analyzed using Williams' secondary structural analysis routines based on the shape of the I band. The proportions of secondary structure in the two types of fibers examined was found to be ...
摘要: We present a new technique of non-linear dual-comb spectroscopy for the measurement of coherent Stokes and anti-Stokes Raman spectra of fundamental vibrational transitions. Ultrarapid acquisition times, high-resolution, broad-spectral-span are the main characteristics of our experiments....
We report the observation of strong luminescence from porous Si grains containing Si nanocrystallites embedded in polymethyl methacrylate disks. In concentrated samples, forward and backscattered photoluminescence spectra were just as strong as in porous Si on Si wafers. This new result indicates that ...
Water solutions with different bicarbonate concentrations or added with increasing amounts of monovalent cations were examined with respect to their Raman spectra both in the bulk state and at the solid/liquid interface with a silicon nitride (Si3N4) bioceramic. Spectroscopic calibrations confirmed ...
Si 3N 4-Si / A4265C Stimulated Raman scattering and spectra CARS stimulated Brillouin and stimulated Rayleigh scattering and spectra A6146 Structure of solid clusters, nanoparticles, nanotubes and nanostructured materials A7865H Optical properties of elemental semiconductors (thin films/low-dimensional ...
(i) Si3N4 window and placed flake post overnight Acetone bath. All scale However, the previous studies by roughly locating the peaks primarily used at the expected the Raman spectra just to confirm positions, but did not look closely the for panreysevnarcieatoifohnesxiangtohneapl eWakSs2 ...
Raman spectraof ionic structure for acidic NaF-AlF_3 melts; 酸性NaF-AlF_3熔盐离子结构的Raman光谱 更多例句>> 3) Raman[英]['rɑ:mən] [美]['rɑmən] Raman光谱 1. Ramanspectra study on graphite treated by hydrogen and high pressure and its si gnificance in the synthesis of diamon...
We report transmission electron micrographs and preliminary measurements of the Raman spectra of thin films of Nb2O5, Ta2O5 and Si3N4. Results indicate that the films are amorphous, on a scale above ~15 A. Simple molecular models are used to discuss the spectra....
Both Raman and IR spectra of amorphous Si 3N 4 exhibit two broad peaks centered at about 400 and 900 cm −1. Amorphous Si 3N 4 was found to be of the non-molecular, random-network type.doi:10.1016/0022-3093(81)90169-1N. Wada...