Min Hong Pan

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A new shunt STATCOM based on modular multilevel converter (MMC) is researched in this paper. The circuit topology, sub-module mathematical model and working principle are analyzed in detail. A dynamic reactive current detection method based on the trigonometric function is applied to the compensation of MMC inverter. Attention is paid on the control to keep(More)
Ultraviolet irradiation induces a variety of cutaneous changes, including epidermal permeability barrier disruption. In the present study, we assessed the effects of ultraviolet B (UVB) irradiation in epidermal barrier function and calcium distribution in murine epidermis. Adult hairless mice were exposed to a single dose of UVB (0.15 J/cm(2)). Barrier(More)
A patient (HLA-A2,3; B35,60) with end-stage renal disease and a high level of pretransfusion (t0) anti-HLA cytotoxic antibodies (60% positive to a random panel), but lacking cytotoxic antibodies against her HLA haploidentical sister (HLA-A2,3; B35,44), received 3 donor-specific transfusions (DST) from the latter: 200 cc fresh whole blood at biweekly(More)
Modular circuit has become the new converter topology widely used in the field of UPS, high power source, HVDC and other areas. Based on the modular voltage sourced converter, modular STATCOM has been discussed, which has the advantages of better compensation and high dynamic response. Circuit topology and work principle of the proposed device are analyzed.(More)
Recreational and occupational exposure to seawater (SW), have increased but the effect of SW on skin has not been elucidated. The purpose of present study was to assess the effects of SW immersion on the dorsal skin in hairless mice. Adult hairless mice were individually immersed in SW for 3 h, 6 h and 12 h; then, full-thickness dorsal skin of 2 cm diameter(More)
Human fetal pancreas (HFP) represents an ideal tissue source for transplantation into diabetic patients. Transplantation of HFP lacks many of the technical problems associated with whole organ transplantation and HFP is readily available. In order to proceed with clinical HFP transplantation it must be demonstrated that HFP can reverse experimentally(More)
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