Terms for subject Physical sciences containing by

English	Spanish
compression by heavy particles	compresión a través de particulas pesadas
expansion by heat	dilatación térmica
percentage by amount of substance	concentración molar
sound power level LWA in dB A in relation to 1pW guaranteed by the manufacturer	nivel de potencia acústica LWA en dB Aen relación con 1 pW garantizado por el fabricante