1. What you can fall back on are empirical rules of thumb. 2. The modern approach to the pharmaceutical screening is based on several paradigms and empirical rules . 3. Ignorance of the y coordinate by the lowx packed R-tree tends to violate this empirical rule . 4. A set of semi-empirical rules were developed by John B . Goodenough and Junjiro Kanamori in the 1950s. 5. Several empirical rules , like the Woodward Hoffmann rules often come in handy while proposing a mechanism for a chemical reaction. 6. The techniques used for zonal interchange analysis explore the empirical rule that fits the " t " = 1 data. 7. In 1949 he proposed Smeed's law, an empirical rule that broke the usual link between environmental factors and road accidents. 8. :: Empirical rules that produce only small errors-or which work well-but only over a carefully specified range of conditions-are useful. 9. Aleksandr Nikolaevich Popov published an empirical rule similar to Zaitsev's in 1872, and presented his findings at the University of Kazan in 1873. 10. "Seger's Rules " are a series of empirical rules put forward by the H . A . Seger for the prevention of crazing and peeling.
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