Differential scanning calorimeter ( DSC ) showed NPN had high T _ g ( 129.7℃ ) and T _ m ( 245.7℃ ).差热扫描法(DSC ) 测定其玻璃化温度 ( Tg ) 高达129.7℃,熔点达 245.7 ℃.Differential scanning calorimetry ( DSC ) determination of purity of ch...
Pragmatically, MTV's survival depends on selling the youth market to advertisers.从务实角度来说，音乐电视网的生存依赖于把年轻人市场卖给广告商。"Monopoly" is one of the best-selling games of all time.“大富翁”是有史以来最畅销的游戏之一。We are selling the full rang...