Word: ratio
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...sample of the object to be evaluated in Rochester's tandem Van de Graaff particle accelerator. The machine separates carbon 14 and carbon 12, an atom that also accumulates at a steady rate but does not decay, from all other atoms in the sample. By comparing the ratio of these two types of carbon, the researchers can then calculate the age of the object under study...
...motivated by a desire to equalize all University housing. As part of this effort, the dean had his right hand person--Ann B. Spence, assistant dean of the College--select a River House to receive Class of '80 sophomores in the 1.5-to-1 male-to-female sex ratio that until now had been reserved for the three Quad Houses...
...Class of '81 will hold Harvard's record for the lowest male-to-female ratio ever, with 1.8 men for every woman admitted to the class...
Since 1972, only 300 government personnel of all races have been killed, along with 100 white civilians. The black civilian toll is far higher: almost 1,400 killed, including 238 curfew breakers and 342 civilians trapped in crossfire. But as guerrilla skills improve, the kill ratio has dropped in the past year, from 11 to 1 in the government's favor...
...premed, brilliant, shy and seldom left his room for a destination other than the Bio labs. On the rare occasions that he went to a party, he would walk in, count the number of men there, divide it by the number of the women there, and compute the ratio. Then he'd smile at his host and flee. Beth was going through a premed stage at the time and she would often study with Greg. She owed her high grades that semester not to any scientific aptitude but to her desire not to appear stupid...