"by discriminating" is a valid phrase for written English.
It is used to indicate that something is being done in a careful and deliberate way, usually based on specific criteria or standards. For example: The college admissions office carefully evaluates applicants by discriminating based on academic merit.
This investigation presents a new in vitro SNP discrimination mechanism, demonstrated by discriminating between the wild-type and mutant sequence of the mitochondrial A8344G MERRF mutation.
The discriminative validity of the questionnaire was estimated throughout this investigation by discriminating MRs and ARS and differentiating referees of different levels [ 32].
By discriminating less, it could undercut its blinkered rival.
And insurance companies will continue to profit by discriminating against sick people.
Some people accuse me of social engineering by discriminating against some better off applicants; others say I'm not doing enough.
Scheindlin ruled in August that police officers sometimes carried out stop-and-frisk unconstitutionally by discriminating against minorities.
Pundits such as Pat Buchanan railed that "affirmative action is to increase diversity by discriminating against white males".
By discriminating in favour of female candidates before the 1997 election, New Labour got a record 101 women into Parliament.
The Federal Trade Commission approved an agreement today settling charges that McCormick & Company violated antitrust laws by discriminating in prices it charged merchants for spices.
The HUD findings said there was reasonable cause to believe that the zero-tolerance policy violates the Fair Housing Act by discriminating against women.
They also violated Apple's own standards by discriminating against pregnant women, providing inadequate safety equipment and imposing onerous recruitment fees on workers.
