Inverse computation of optical-absorption coefficient in inhomogeneous material with varied thermal conductivity
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The UV-Vis optical absorption of the samples was also investigated.
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The double-ring fiber optical sensing network based on the space division multiplexing (SDM) is further developed.
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Based on the optical path matching condition of SDM, the intensity characteristic of the interference signal in the sensor is deduced.
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Dense wavelength division multiplexing (DWDM) system is the ultimate selection as an optical communication system because of its high speeds and capacities.
The separation, identification, and determination of epimer of tetracycline have been attempted paper-chromatographically based on the principle of Selzer's method. Some improvements were made to effect an efficient separation and identification. It was demonstrated experimentally that results from Selzer's method were not reliable owing to partial inversion of tetracycline in the course of chromatography. However, better results could be obtained through the modification of the solvent system. In order to...
This Paper investigates the accuracy of the "frozen stress" method in photoelastic models, the materials of which consists of epoxy resin 634 as basis, Here we refer to the following items:(1) The optical creep law and the influence of both optical creep of the material and the temperature upon the magnitude of fringe value;(2) The process of freezing and the finding of the temperature, at which the model loads can be discharged during the freezing course;(3) The superposition problem of "frozen...
The present paper deals with the synthesis of peptide Ⅰ(N-carbobenzoxyglycyl-L-isoleucyl-L-valyl-γ-tert-butyl-L-glutamyl-L-glutamine carbo-tert-butoxyhydrazide) and peptide Ⅱ (N-carbobenzoxyglycyl-L-isoleucyl-L-valyl-L-glutamyl-L-glutaminyl-S-benzyl-L-cysteinyl-S-benzyl-L-cysteinyl-L-alanyl-L-serine hydrazide), which are protected N-terminal penta-and nona-peptides of the A-chain of bovine insulin respectively. Peptide Ⅰ was prepared from the known tripeptide Ⅲ (N-carbobenzoxy-L-isoleucyl-L-valyl-γ-tert-but...