Such is the case in pyrrole, thiophene, and furan.吡咯, 噻酚和呋喃的情况就是这样.It'shows that the key step is the synthesis of 4 - methyl - dihydro - furan - 2 , 3 - dione.研究结果表明关键步骤为原料 4- 甲基 -2, 3- 呋喃二酮的合成.A novel furan resin w...
It'shows that the key step is the synthesis of 4 - methyl - dihydro - furan - 2 , 3 - dione.研究结果表明关键步骤为原料 4- 甲基 -2, 3- 呋喃二酮的合成.A novel furan resin was synthesized by polycondensation between furfuralcohol and furfur...
Made from bamboo charcoal calcined in high temperature, it has unique healthy.内芯所采用的高温竹炭具有独特的保健作用.The BET specific surface area reaches 477.7 m 2 ? g - 1 for NiO calcined at 523 K.结果表明,在523K下焙烧得到的氧化镍BET比表面达到 477.7m ~2·g~...
The secrecy speech communication method resisting to desynchronization attacks is presented based on information hiding technology.基于音频信息隐藏技术,提出了一种有效抵抗恶意去同步攻击的语音保密通信方法.He's based in Banja Luka, which is the largest ...