废弃价值
- 网络Scrap value;abandonment value
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建立了油气田废弃工程期权价值模型,得出最优投资临界油价和最优废弃临界油价。
In the options worth model of PAP established , an optimal critical oil price for investment and an optimal critical oil price for abandonment are derived out .
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废弃蛋壳的利用价值及其资源化途径与技术
SCRAPPED PRINCESS Utilizing value of wasted eggshell and its resource-making way and technique