selectivity ratio造句

Admission to IIT Gandhinagar's graduate programs are even more competitive than the undergraduate programs, with a selectivity ratio 0f 0.5 %.
The sulfur radical was found to be more reactive ( 6 * 10 8 vs . 1 * 10 7 M " 1 . s " 1 ) and less selective ( selectivity ratio 76 vs 1200 ) than the carbon radical.
Most channels are specific ( selective ) for one ion; for example, most potassium channels are characterized by 1000 : 1 selectivity ratio for potassium over sodium, though potassium and sodium ions have the same charge and differ only slightly in their radius.
The selectivity ratio S 3 ( CH 2 ) 9 / S 6 ( CH 2 ) 18 is 6.0 for Os 4 ( CO ) 12 and 1.5 for W ( CO ) 6, rationalized by greater steric effects in the Os cluster, leading to a preference for the smaller ring product.
It's difficult to find selectivity ratio in a sentence. 用selectivity ratio造句挺难的