溶液法测定极性分子的偶极矩(Determination of dipole moment of polar molecule by solution method)Determination of dipole moment of polar molecule by solution methodI. objectives and requirementsDetermination of dipo
SMT相关资料SMT(Surfac e Mounte d Techno logy表面贴装技术)一、标准零件标准零件是在SMT发展过程中逐步形成的,主要是针对用量比较大的零件,本节只讲述常见的标准零件。目前主要有以下几种:电阻(R)、排阻(RA或RN)、电感(L)、陶瓷电容(C)、排容(CP)、钽质电容(C)、二极管(D)、晶体管(Q)【括号内为PC B【印刷电路板
100种有机溶剂的极性和其他物理常数列表 pp.408-411 Appendix Table A-1. Compilation of hundred important organic solvents together with their physical constants, arranged by decreasing E No. (1)