نتایج جستجو برای: electron tube rectifier
تعداد نتایج: 408944 فیلتر نتایج به سال:
The purpose of electron linear accelerator project in Institute for Research in Fundamental Sciences (IPM) has been to design and construct a S-band electron linear accelerator in such a way that all its parts be designed and built in Iran as much as possible. For more detailed evaluations and assurance, a cooper accelerating tube with the exact same specification of the main accelerating tube ...
ZVS Realization of H-Bridge Low-Voltage High-Current Converter via Phase-Shift and Saturable Control
A zero-voltage switching (ZVS) H-bridge phase-shifted low-voltage high-current converter with saturable inductors is proposed in this paper. The introduction of solves the short circuit problem caused by high-frequency on–off power tube, and effectively inhibits voltage oscillation spikes rectifier tube. In addition, when current flowing through inductor does not change rapidly, it exhibits a l...
in the present study, we have reported the biological synthesis of silver nanoparticles (agnps) using aqueous leaf extract prepared by hot percolation treatment of wheat varities (pbw343, triticum durum and aegilops tauschii )for the reduction of silver ions to silver nanoparticles. bioreduction of ag+ to ag0 was observed when aqueous extract augmented with silver nitrate (agno3) was incubated ...
We fabricate photo-anodes by transferring anodic TiO2 nanotube membranes in tube-top-down configuration on FTO glass, and use them for constructing frontside illuminated dye-sensitized solar cells. Prior to solar cell construction, the tube-based photo-anodes are crystallized at different temperatures (400–800 °C), and the effects of tube electron transport properties on the photovoltaic perfor...
It is reported in this article that Si nanowires can be employed as a positive template for the controllable electrochemical deposition of noble metal tube. The deposited tube exhibits good crystallinity. Scanning electron microscope and transmission electron microscope characterizations are conducted to reveal the growth process of metal tube, showing that the metal tube grows quasi-radially o...
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