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In order to enhance the effect of sulfur passivation, the influence of solution polarity on the passivation was investigated; With the following conclusion: the smaller polarity of the solution, the better effect of the passivation. A novel passivation solution made up of (NH4)2S+Se+t-C4H9OH has been prepared. The PL spectrum intensity of the samples treated by (NH4)2S+Se+t-C4H9OH is 23 times stronger...
In this paper, ZnO films were deposited on GaAs (100) substrate as the protective-coating and antireflection coating of semiconductor laser facets, in order to improve the lifetime and reliability. This study investigated the microstructure of ZnO films deposited on GaAs (100) substrate with different sputtering conditions containing RF power, pressure, etc. The optical thickness(nm) of ZnO films...
The paper presents the development of a sub-channel thermal-hydraulic analysis code named SUBCHAN. The code was originally developed to analyze super critical CANDU type reactor which has such characters as horizontal fuel channels, heavy water moderated, super critical light water cooled, any type of fuel bundle with or without thorium rods. Thermal-hydraulic model of SUBCHAN is based on four partial...
This paper presents a thorium fuel cycle scheme for the thorium-based advancednuclear energy system JANES). TANES that will use thorium resources is a homemade nuclear energy system that is fit for the situation of China and some other thorium-rich regions. By the reactor physics and fuel cycle analysis, the paper gets the conclusion that if TANES decreases lattice pitch (channel pitch) and increases...
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