psig的用法

With temperature maintained at 90-100 ℃, an oxygen pressure of 30 psig, Pd/ C as catalyst, and a 3h reaction time, glyphosate yield was 96% and purity 97%.

在温度90℃-100℃，通氧保持压力30psig，贵金属Pd/C做催化剂，反应3h可以得到纯度97%的PMG，产率可达96%。

The vapor pressure of the liquid stored in the cylinder@ 68 f ( 20 c) is 816 pounds per square inch gauge ( psig).

储存在68°F（20°C）的钢瓶内的液体的蒸气压是816磅每平方英寸（psig）。

For pressures up to 1450 psig at ambient temperatures, carbon steel and stainless steel are suitable materials.

对于室温下大到1450psig的压力，碳素钢和不锈钢是合适的材料。