نتایج جستجو برای: dielectric depolarisation
تعداد نتایج: 39739 فیلتر نتایج به سال:
Accurate electron beam energy measurements are valuable for precision lattice modelling of high-brightness light sources. At SPEAR3 the beam energy was measured using the resonant spin depolarisation method with striplines to resonantly excite the spin tune and a sensitive NaI scintillator beam loss monitor to detect resulting changes in Touschek lifetime. Using the combined apparatus an electr...
Star-shaped molecules are of growing interest as organic optoelectronic materials. Here a detailed study of their photophysics using fluorescence depolarisation is reported. Fluorescence depolarisation dynamics are studied in branched oligofluorene-truxene molecules with a truxene core and well-defined three-fold symmetry, and are compared with linear fluorene oligomers. An initial anisotropy v...
Results of broadband dielectric spectroscopy (BDS) in Saccharomyces cerevisiae (baker's yeast), in situ as the function of pressure are presented. They show a clear evidence of a threshold to the new pattern of the pressure evolution of the static dielectric permittivity and DC electric conductivity already for Pt ≈ 200MPa at T = 5 oC and Pt ≈ 300MPa at T = 25 oC. BDS monitoring versus pressu...
a simple and reliable method for quick estimation of the dielectric constant of a binary solvent mixture is proposed. the validity of the proposed method has been tested for a broad range of binary solvent mixtures
nowadays, ii – iv group semiconductor thin films have attracted considerable attention from the research community because of their wide range of application in the fabrication of solar cells and other opto-electronic devices. cadmium zinc sulfide (zn-cds) thin films were grown by chemical bath deposition (cbd) technique. x-ray diffraction (xrd) is used to analyze the structure and crystallite ...
-In this paper the origins of crosstalk in DWDM millimetre hybrid fibre radio networks are discussed. A means by which polarisation interleaving might be implemented with a view to reducing the impact of crosstalk is explained analytically. It is concluded that with standard fibre and continuous wave transmission polarisation interleaving provides little benefit if used over distances greater t...
To define the relationship between the response – a random or dependent variable y and a predetermined or independent variable x, a straight line or concave respectively convex functions affected by random errors must be used. A locally weighted low-degree polynomial regression i.e. linear is fit to several subsets of data using linear least square fitting and a first-degree polynomial or the e...
studies were carried out on the preparation and properties of the composites made from cellulose acetate butyrate and cellulose acetate propionate with various amounts of barium strontium titanate nano-particle. the nano-particles of barium strontium titanate (bst) with formulation of ba0.77sr0.23tio3 were made by sol-gel method and their purity and particle size were analyzed by x-ray diffract...
vinblastine is an important anticancer agent known to diminish microtubule assembly. ab initio calculations are applied to examine the structural properties and different energies of vinblastine-tubulin complex in different dielectric constants and temperatures. the aims of this work are discovery the best optimized structure and thermodynamic properties of vinblastine-tubulin complex and compa...
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