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In order to solve the problem of single-phase-to-earth fault location in non-solid-earthed distribution, the abnormal characteristics of bus voltage under non-solid-earthed distribution fault are analyzed. A method of single-phase-to-earth fault identification is proposed, and concrete steps and formulas are given. The power flow trend of the distribution network under unbalanced capacitance injection...
This paper proposes a real-time power flow optimal control method for hybrid AC/DC power systems with VSC-HVDC (Voltage Sourced Converter based HVDC). Sufficiently considered the operation characteristics of Xiamen VSC-HVDC engineering system and the features of the coupling relationship between VSC-HVDC transmission paths and other ordinary AC transmission paths under different operation conditions,...
The DNA of human factor IX (hF IX) gene vector pMC IX m, which had been proven to be able to express inin vitro and living cells, was introduced into 586 zygotes of Kunming Whlte Mice by positive pressure microinjection technique with manual operation. The 499 survival embryos after microinjection were then transferred into pseudopregnant recipient mice and 216 F, pups were born. The analysis of PCR...
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