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The high temperature storage test (HTST) was conducted on the SnAgCu/Ni-W-P and Ni-Fe solder joints. While the conventional Ni-P solder joints were used as comparison to study the diffusion barrier effect of Ni-W-P and Ni-Fe under bump metallization (UBM). Both cross section and top view for the microstructural evolution of solder joints during 150°C aging were observed by the scanning electron microscope...
Some amide derivatives are highly valuable products with antiproliferative and cytotoxic bioactivity. In this paper, 12 novel amide compounds were synthesized correspondingly by boc‐protection glycine, deprotection, and condensation reactions. The antiproliferative and cytotoxic activity of these compounds was also evaluated by human cervical cancer (Hela) and hepatoma carcinoma (SK‐Hep‐1) cancer...
Air conditioner electric load was the most significant factor for residential electrical peak load. Outdoor environmental parameters such as outdoor air temperature and humidity might have effect on air conditioner electric load. A field testing was carried out in Wuhan to study the relationship among residential electric load, outdoor air temperature and humidity. The result showed that the changing...
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