نتایج جستجو برای: reflection spectroscopy
تعداد نتایج: 229710 فیلتر نتایج به سال:
The absorption spectrum of the explosive 1,3,5-trinitro-1,3,5-triazacyclohexane sRDXd has been measured using a conventional Fourier transform infrared spectroscopy and by terahertz pulsed spectroscopy. Seven absorption features in the spectral range of 5–120 cm−1 have been observed and identified as the fingerprint of RDX. Furthermore, the spatial distribution of individual chemical substances...
Three-dimensional nanostructured metallic substrates for enhanced vibrational spectroscopy are fabricated by self-assembly. Nanostructures consisting of one to 20 depositions of 13 nm-diameter Au nanoparticles (NPs) on Au films are prepared and characterized by means of AFM and UV/Vis reflection-absorption spectroscopy. Surface-enhanced polarization modulation infrared reflection-absorption spe...
Isotope-edited FTIR spectroscopy has been shown to be able to determine peptide's structure in the residue level in D2O, which is not a physiological solvent. Here, attenuated total reflection technique was utilized to successfully apply isotope-edited FTIR spectroscopy in H2O to determine the conformation of specific residues in a model peptide.
supervisors play an undeniable role in training teachers, before starting their professional experience by preparing them, at the initial years of their teaching by checking their work within the proper framework, and later on during their teaching by assessing their progress. but surprisingly, exploring their attributes, professional demands, and qualifications has remained a neglected theme i...
This study was designed to probe the fabrication of unique silver and gold nano-structures engaging a self-designed chitosan-porous anodic alumina nano-composite as a template. Porous anodic alumina has been manufactured by di-step aluminum anodization in an oxalic acid electrolytic bath. The surface properties of porous anodic alumina were reinforced by chitosan neutralized in sodium hydro...
The terahertz (THz) frequency range is the region of the electromagnetic spectrum between the microwave and optical bands spanning from 0.1 THz to 10 THz. Historically, electromagnetic radiation in this frequency range has been inaccessible due to the lack of widespread electronic or laser-based radiation sources. Electronic radiation sources such as crystal oscillators are generally confined t...
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