3) Unit conversion
单位换算
1.
Because different units are used in the calculation carried out in China and that carried out outside of China, the unit conversion, which may affect the calculation, is necessary.
在自控工程计算中气体温度、压力补偿及常用单位换算是重要的。
4) alternative single-chop control
轮换单斩
补充资料：塑膠单位换算表
衝 擊 強 度
ft-lb/in J/m kg-cm/cm
1 53.35 5.45
0.0187 1 0.102
0.183 9.803 1
抗折、抗張、耐壓縮強度及模數
MPa Psi kg/cm2 kg/m2
1 145 10.19 101945.15
6.9×10-3 1 0.0703 703.07
9.8×10-2 14.22 1 10000
9.8×10-6 1.422.×10-3 0.0001 1
英 制 (British) 米 制
(Metric) 國 際 制
(SI Metric)
1 ft =0.3048 m
1 in =2.54cm =25.4mm
1 thou =0.0254 mm =25.4μm
1 yd2 =0.8361 m2
1 ft2 =0.0929 m2
1 in2 =6.4516 cm2 =654.16 mm2
1 yd3 =0.7645 m3
1 ft3 =0.0283 m3 =28.317 dm3
1 in3 =16.387 cm3
1 gal =4.5459 litres =4.5459 dm3
℉ =(1.8×℃)+32
1 ton =1.0160 tomes
1 lb =0.4536 kg
1 oz =28.3495 g
1 lbf =0.457 kgf 4.4482 N
1 lbf/in2 =0.0703kgf/cm2 =6.8948kN/m2
1 lb/ft3 =16.018 kg/m3
1 lb/in3 =27.68 g/cm3 =27.68 Mg/m3
1 Btu =251.996 cal =1.0550 KJ
米 制(Metric) 英 制
(British) 國 際 制
(SI Metric)
1 m =3.2808 ft
1 cm =0.3937 in
1 mm =0.03937 in
1 m2 =1.1959 yd2
1 m2 =10.7639 ft2
1 cm2 =0.1550 in2
1 m3 =1.3079 yd3
1 m3 =35.3147 ft3
1 cm3 =0.061 in3
1 litre =0.2199 gal =1 dm3
1 cm3 =0.0000353 ft3
℃ =((℉-32)×5)÷9
1 tonne =0.9842 ton
1 kg =2.2046 lb
1 g =0.0353oz
1 kgf =2.2046 lbf =9.8066 N
1 kgf/cm2 =14.2233 lbf/in2 =98.0665kN/m2
1 kg/m3 =0.0624 lb/ft3
1 g/cm3 =0.0361 ib/in3
ft-lb/in J/m kg-cm/cm
1 53.35 5.45
0.0187 1 0.102
0.183 9.803 1
抗折、抗張、耐壓縮強度及模數
MPa Psi kg/cm2 kg/m2
1 145 10.19 101945.15
6.9×10-3 1 0.0703 703.07
9.8×10-2 14.22 1 10000
9.8×10-6 1.422.×10-3 0.0001 1
英 制 (British) 米 制
(Metric) 國 際 制
(SI Metric)
1 ft =0.3048 m
1 in =2.54cm =25.4mm
1 thou =0.0254 mm =25.4μm
1 yd2 =0.8361 m2
1 ft2 =0.0929 m2
1 in2 =6.4516 cm2 =654.16 mm2
1 yd3 =0.7645 m3
1 ft3 =0.0283 m3 =28.317 dm3
1 in3 =16.387 cm3
1 gal =4.5459 litres =4.5459 dm3
℉ =(1.8×℃)+32
1 ton =1.0160 tomes
1 lb =0.4536 kg
1 oz =28.3495 g
1 lbf =0.457 kgf 4.4482 N
1 lbf/in2 =0.0703kgf/cm2 =6.8948kN/m2
1 lb/ft3 =16.018 kg/m3
1 lb/in3 =27.68 g/cm3 =27.68 Mg/m3
1 Btu =251.996 cal =1.0550 KJ
米 制(Metric) 英 制
(British) 國 際 制
(SI Metric)
1 m =3.2808 ft
1 cm =0.3937 in
1 mm =0.03937 in
1 m2 =1.1959 yd2
1 m2 =10.7639 ft2
1 cm2 =0.1550 in2
1 m3 =1.3079 yd3
1 m3 =35.3147 ft3
1 cm3 =0.061 in3
1 litre =0.2199 gal =1 dm3
1 cm3 =0.0000353 ft3
℃ =((℉-32)×5)÷9
1 tonne =0.9842 ton
1 kg =2.2046 lb
1 g =0.0353oz
1 kgf =2.2046 lbf =9.8066 N
1 kgf/cm2 =14.2233 lbf/in2 =98.0665kN/m2
1 kg/m3 =0.0624 lb/ft3
1 g/cm3 =0.0361 ib/in3
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条