柴油指数 [油气] diesel index ; DI
原油指数 CONC
采油指数 [油气] Productivity Index ; oil productivity index ; oil well production index ; exponent of oil extraction
阿格斯含硫原油指数 ASCI ; Argus Sour Crude Index
比采油指数 [油气] specific productivity index ; specific productivity factor
可动油指数 movable oil index ; producible oil index ; POI
泄油指数 drainage exponent
理想采油指数 [油气] ideal productivity index
原始采油指数 initial productivity index
深度精制的高粘度指数基础油的使用可以提高发动机油节能效果和保持能力。
Deeply refined base stocks with high viscosity index can also improve energy economy effect and retentivity.
该方程显示拉延油的运动粘度与温度呈高度显著的指数关系。
The equation reveals that there lies in an exponential relationship between the viscosity and the temperature.
天然植物油具有粘度指数高、无毒、具有极好的生物降解性、低挥发性、良好的润滑性，且属于可再生资源。
Natural plants oil has higher viscosity index, no poison, excellent bio-degrade ability, low volatility, better lubricity, and most important, it is a renewable resource.
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