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A parallel-serial dual active bridge (PSDAB) circuit is presented in the paper to improve the efficiency under the circumstances of high-voltage ratio transformation. The proposed PSDAB circuit is constructed by the paralleled low-voltage terminals of the two dual active bridges (DABs) and the serial high-voltage terminals of the DABs. Just like the DAB circuit, the zero voltage switching (ZVS) is...
A novel inorganic‐organic hybrid compound [Cu2(TTHA)(bpy)2(H2O)]2·6H2O (TTHA = 1,3,5‐triazine‐2,4,6‐ triamine hexaacetic acid; bpy = 2,2′‐bipyridine) was synthesized and characterized. The compound crystallizes in the triclinic space group P$\bar{1}$ with cell dimensions of a = 10.4837(14) Å, b = 13.0935(17) Å, c = 16.183(2) Å, α = 93.386(2)°, β = 96.181(2)°, γ = 92.570(2)°, V = 2201.7(5) Å3 and Z...
Large gap of supply and demand for mineral resources brings an urgent need to develop technology and methods for mineral exploration. Metallogenic prediction plays a leading role in mineral exploration. In consideration of current software platform we used and characteristics of specific metallogenic prediction method, the efficiency and quality of metallogenic prediction are not so satisfactory....
Energy shortage brings the challenge of "high-efficiency, high-quality" to evaluation of mineral resources. Subject to conditions, general softwares for evaluation of mineral resources are mainly used in the stand-alone environment, while geological spatial data are often cross-regional, cross-platform and stored distributed. With the rapid development of grid computing, various distributed...
In this paper, the specific 45 nm direct polish related defects and its effects were investigated in order to achieve the high yield manufacturing feasibility of direct polish to porous low-k dielectric film. Crater defect (ring shape metal bridge) was identified caused by abrasive residue in the pre-metal layer polish. Polished with colloidal silica based Cu slurry could suppress this defect efficiently...
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