ϴĻҪ
ˮˮ|(zh)
ϴ섩ʹ^жcˮˮ|(zh)Qʹîa(chn)Ʒͺͮa(chn)ƷʹúЧھƵϴ·ϴNr(sh)ͬϴ섩Ǟ_(d)A(y)ڵϴЧ˽ˮǘOҪġ
ˮ|(zh)
ˮиNV|(zh)ĝȱʾ106ȺppmÿӁж٣gpg
——ppmӢ——gpg
ɷNӋ(j)Qǣ17.1ppm=1gpg
ˮӲ
ˮӲȱʾˮ}VxӺĴС
@ɷN}ʽڵͨĵV|(zh)QˮӲȣγˮҪԭˮ|(zh)һ^Ӳ(hu)ʹϴЧ׃ϴ·ϴ^ͬˮӲȕ(hu)ֱӰȥ۹Чδ(jng)̎Ӳˮ(hu)ʹɫl(f)
ϴ·ʹõˮˮ|(zh)Ӳȑ(yng)С68ppm
Ϻ^(q)ԁˮһ≥100ppm
(dng)ϴ·ˮӲȳ^һĘ(bio)(zhn)r(sh)(yng)ȡӲˮM(jn)xӽQܛ̎ϴr(sh)ˮ̎턩ķ
ˮӲȵȼ(j)ʾ飺
0~4gpg(0~68ppm)--------------------ܛˮ
4~8gpg(68~137ppm)-----------------еӲˮ
8~12gpg(137~205ppm)--------------------Ӳˮ
12~16gpg(205~274ppm)--------------------ӲȺܴˮ
ˮFxӺ
ˮеĸF(hu)oϴ·S}e(hu)ʹò׃S׃һϴ·Ҫˮ|(zh)кF(yng)С01ppm(dng)ˮеF|(zh)01ppnr(sh)F|(zh)(hu)ϴr(sh)ڲ@ٌ(du)Ư͕(hu)pwSһ̎ķв1%40~60̎펧FPIJ5~8^ע⣺ò̎IJ(yng)ص^ˮϴtںɻC^ͬӕ(hu)p