??????? ????? ???? ???????
??????? ????????
???? 6 ???? ?? ??????? ????? ???????:- ??????? ???????? ???????：kg/m?, g/cm?, g/dm?- ??????? ????????????：lb/ft?, lb/in?, lb/gal( ?????????/??????????)- ?????? ?????：lb/bbl( ?????? ?????)- ?????? ??????? ??????： ???? API? ???? ????(Bé)- ??????? ???????：t/m?, mg/m?, oz/gal- ?????? ???????? ????? ???????： 15.5 ???? ????? ????? ????? ?????? ??????? ???? ??? ???? ???????
????? ?????? ????????:
1 kg/m? = 0.001 g/cm? = 0.0624 lb/ft?
1 lb/in? = 27679.9 kg/m? ????? ??? ????????
? ???? API =( 141.5/比重@15.5 ???? ?????) - 131.5
? ???? ???? =( 140/比重@15.5 ???? ?????) - 130 ?????????? ?????????
- ????? ???????? ?????????
- ????? ???? ????? ???????? ?????????
- ????? ???? ???? ?????? ????? ??????????
- ???? ????? ???????? ??????? ??????????
- ????? ????????? ???????? ????????? ???????? ????? ??????
? ????? ????? ????? ?????? ???????
? ??? 8 ????? ?????
? ????? ????? ?? ?????? ???????
? ????? ?? ????????? ?????? ?? ???????
? ??? ??? ????? ????????
? ???? ??? ??????? ????? ????? ???????. 1:
1- ???? ?? ??????? ??? ???? ??????? ???????? ????????? ???????? ????? ???????.
2. ????? ???? API ??? ??? ????? ????? ???????? ?????????.
3. ?????? ????? ???????( ??? ??????? ???????) ???? ???????? ???? g/?? ????. 