力価 is read as りきか (rikika) and means titer.
りきか
rikika
かかくあつりょく
price pressure
こくさいげんしりょくじしょうひょうかしゃくど
International Nuclear Event Scale
りきじ
Deva king
ちからぞえ
help
りきしかい
association of salaried wrestlers
りきりつ
power factor
りきがくけい
dynamical system
ちからののうりつ
moment of force
りきしょっき
power loom
ちか
the price of land
ぶっか
prices of commodities
べいか
rice price