1. If the number of bad equivalents is greater than 100, but if your crystal contains heavy scatterers (for Mo radiation, atoms with atomic numbers greater than 18), or if the crystal was a needle or a very thin plate, skip to next step.
如果这个值大于100了,而且你的晶体中有大于18号的重原子,或者是你的晶体是针状或非常薄的片晶,大于100是可以接受的。
2. Chemical symbol H, atomic number Z = 1, atomic weight of 100, 794, is a cycle of F in Table Ⅰ A Tribe.176 the first year was found by the British chemist H Cavendish.
化学符号H,原子序数Z=1,原子量100794,属周期F表第ⅠA族。176年由英国化学家H卡文迪什发现。