方案摘要
方案下载应用领域 | 石油/化工 |
检测样本 | 环境水(除海水) |
检测项目 | |
参考标准 | 暂无 |
Sum frequency generation vibrational spectroscopy was used to determine the orientation of the cations in a room-temperature ionic liquid at the air-liquid interface. The ionic liquid that was studied was 1-butyl-3- methylimidazolium bis-trifluoromethylsulfonimide, [BMIM]+[imide]-. The orientation of the cation, [BMIM]+, was studied as a function of water pressure in the vapor over the range of 10-5 to 200 Torr. At water pressures below 10-4 Torr, the imidazolium ring was oriented parallel to the surface plane. On increasing the water pressure to greater than 10-4 Torr, the imidazolium ring tipped up from the surface with an angle along the surface normal of 40-55°. No water signal was observed in the spectra obtained at the water pressures studied here.
在一个双稳湍流涡旋火焰中,对间歇性动态的时间-频率定位
Particle-laden Taylor-Couette流:高阶转变和径向局部波浪涡旋的证据
7根杆束的流体-结构相互作用:用实验数据对比数值模拟
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