Yun-sheng Hou

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An extraction and reduction method of fault eigenvalue was proposed in this paper. Firstly, fault feature factor was extracted from stator current signal, axial vibration signal and radial vibration signal. Then, using differential matrix in rough sets theory, the extracted fault feature factor was reduced to achieve a more sensitive, more effective fault(More)
OBJECTIVE To explore the feasibility and related factors of using semen samples from condoms collected by their female sex workers (FSWs) for HIV-antibody testing. METHODS FSWs were recruited by outreach workers. Semen samples from condoms of their sexual partners (paid or regular) were collected by FSWs themselves after intercourse and for HIV testing.(More)
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