To facilitate the analysis, the molecules were grouped in four classes according to their side chains.
As a result, the student-teacher ratio in four classes has doubled.
Federal National Mortgage Corp., $380 million of mortgage cash flow obligations in four classes.
His list of several classifications, published posthumously, recognized 317 different substances ordered in four classes.
Similarly, he ranked the provinces in four classes and clarified hierarchical relations amongst them.
The races run from May to September and include sailboats in four classes ranging from 20 to 50 feet long.
But the cloud began to lift when they were assigned to a team to work together in four classes, and they started speaking again.
In companies, competence management involves several heavy processes that we have categorised in four classes: competence identification, competence assessment, competence acquisition, and competence usage.
From his survey of stellar spectra, Secchi concluded that stars could be arranged in four classes according to the type of spectra they display.
Racing through cold, rainy conditions on San Francisco Bay, Russ Silvestri of Tiburon, Calif., and John Myrdal of Kailua, Hawaii, claimed spots on the United States Olympic sailing team by wrapping up victories as Olympic trials concluded in four classes.
Landslides were mapped as single points using Google Earth®, and were attributed a level of mapping accuracy P, in four classes (P1 < 1 km2, P10 < 10 km2, P100 < 100 km2, P300 < 300 km2).
