She wondered if Harry had been unfaithful to her during this long separation...她不知道和哈里分开这么久,他是否曾对她不忠。The best choice for separating diethylbenzene is the adsorptive separation by zeolite adsorbents in high efficiency.指出高...
最后讨论了时谐性和电容率对电位分布的影响.The effects about potential distribution by time - harmonic character and permittivity a.用铽改性SBN晶体能有效地改善晶体的性质.实验测量了铽改性Sr0.61Ba0.39Nb2O6晶体的电容率和热电系数.The dielectric permittivity and pyroelectric coeffic...