本文对不同冷源的一次能源利用效率进行了比较，并且比较了它们对环境影响的情况。
Primary energy efficiency and impact on environment of different cold sources have been compared in this article.
结果表明，在相同的热源和冷源边界条件下，这一循环的利用效率远高于水蒸汽朗肯循环。
The results show that the efficiency of exergy utilization of this cycle is much superior to that of the Rankine cycle at the same border conditions of both heat and cooling sources.
利用岩石热解资料，采用一种新的方法，对东濮凹陷北部地区下第三系源岩的排烃效率进行了研究。
By using a new method and pyrolysis date of rock, study on expulsion efficiency of hydrocarbon for lower tertiary source rock has been carried out in north area of lower Dongpu Depression.
低磷水平下马尾松种源磷效率与磷素利用效率有关，而与磷素吸收效率相关性较小，磷效率和磷素利用效率高的种源其干物质积累量较高。
PE was significantly and positively related to P use efficiency, not related to P absorption. The provenances with higher PE had greater dry matter accumulation.
利用共源共栅电感可以提高共源共栅结构功率放大器的效率。
The efficiency of the cascode power amplifier can be boosted by use of cascode-inductance.
结果表明，该模型可利用各种信息源较快地对毁伤效果进行系统评估，提高毁伤评估的效率。
The result shows that the model can be assessed by system, the damage effect based on damage information resource and the efficiency of damage assessment can be increased.
结果表明，在相同的热源和冷源边界条件下，这一循环的利用效率远高于水蒸汽朗肯循环。
The results show that the efficiency of exergy utilization of this cycle is much superior to that of the Rankine cycle at the same border conditions of both heat and…
利用PCR和GISH原位杂交相结合的方法可提高检测外源染色体小片段的准确性和选择效率。
In the progeny of monosomic addition lines a high frequency of wheat-alien species translocation with various segments of chromosomes could be found by application of both PCR and GISH technique.
利用PCR和GISH原位杂交相结合的方法可提高检测外源染色体小片段的准确性和选择效率。
In the progeny of monosomic addition lines a high frequency of wheat-alien species translocation with various segments of chromosomes could be found by application of both PCR and GISH technique.
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