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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：erration split-plot designs via complementary sets when the whole plot factors are important
图因子 互补集 错误分割图设计
2023/5/15
In practice, fractional factorial split-plot (FFSP) designs are widely used when the levels of some factors are very difficult to change or control. The factors of an FFSP design are divided into two ...
Cold War caper revisted: MSU science historian and chemist plot resurrects recipe for invisible ink
Cold War caper invisible ink history chemist
2006/11/10
Nov. 7, 2006，Two Michigan State University researchers are the first to unlock the secrets of the invisible ink used by East Germany’s secret police force, the Stasi, and in the process have mixed a b...