Verb. 1. impel-urge or force (a person) to an action; constrain or motivate. force. cause, do, make-give rise to; cause to happen or occur, not always intentionally; cause a commotion; make a stir; cause an accident.= force) â noetigen; nÃ¶tigen to impel somebody to do â something (jdn) dazu, noetigen nÃ¶tigen etw; zu tun to (impel)somebody in â to action Jdn zum. (= handeln noetigen) â (nÃ¶tigen)drive. on voran treiben
1 Ratio of the salt to the acid or base. 2  The buffer capacity is optimal when the ratio is 1:1; that is, when pH = pKa. 3  Total buffer concentration. 4  For example, it will take more acid or base to deplete a 0.5 M buffer than a 0.05 M buffer.
The number of sprinklers per zone depends on the pounds per square inch pressure (PSI) and gallons per minute (GPM) flow of the system as well as the gallons per minute used by each sprinkler head.Sprinkler heads use more gallons per minute at higher PSI but can be spaced farther apart.. Measure GPM, or gallons per minute flow, by placing a 5-gallon bucket under the faucet. Turn the faucet on and record how many seconds it takes for the bucket to fill. Calculate GPM by dividing the number of gallons (5) by the number of seconds and multiplying by 60.