The conversion of relevant standard emission factors of isoprene and monoterpene were made using G93 arithmetic technique, and the grade of these factors was classified.

使用G93 算法，换算出相应异戊二烯和单萜烯的标准排放因子，并划分了这些排放因子的等级。

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ECC has overcome the deficiency of Prime energy method. This method can evaluate the various energy conversion systems based on reflecting the grade of different primary energy.

ECC指标克服了传统初次能耗折算方法不能反映不同初次能源品位差异的不足，该指标能够在反映能源品位的基础上对能源转换系统的效率进行评价。

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A thermal process utilizing the fluidized-solids technique for continuous conversion of heavy, low-grade oils into lighter products.

采用流化固体技术使低级重质油转化为轻质产品的热加工过程。

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Liquids are then filtered and gases are extracted through condensers ready for conversion to higher grade fuel.

CNN: Turning carbon dioxide into fuel

On Wednesday, workers unsealed the section of the Isfahan plant where the final conversion to create weapons-grade uranium is carried out, again under IAEA supervision.

ECONOMIST: No appetite for carrots, no fear of sticks | The