Additional capital investment is not called for to adopt the new schema, neither would there be any increase in operating cost to achieve similar energy recovery as in the original design. 所得结果与原设计的比较表明,优化设计方案的热回收率有较大幅度的提高,其它技术经济指标(投资及操作费、有效能回收率)彼此相近。
Low capital and cost, high clean coal recovery proportion and without pollution are noted in this process. 该选煤法具有投资少、加工成本低、回收率高、无污染、见效快的特点,受到煤矿企业的欢迎。
Two processes are compared from the points of capital cost, operation cost, efficiency of cleaning, energy consumption, recycle of gas, dust recovery and environmental protection. 从基建投资、运转费用、净化效率、能源消耗、煤气及粉尘压块回收的再利用和环境保护等方面作了全面的分析与比较。
This text tells us, from the viewpoint of human capital theory, education cost recovery theory and comparison profit theory, to charge for graduate education conform to the basic law of graduate education development. 本文认为,从人力资本理论、教育成本分担理论以及比较效益理论的视角来看,对研究生教育实行收费符合研究生教育发展的基本规律。
At the same time, gansu province is located in the northwest, complicated topography, the turnpike cost is high, compared with the developed areas in east, financing structure, highway traffic a relatively small, capital cost is low returns, rapid recovery. 同时,甘肃省地处西北内陆,地形地貌复杂多样,收费公路造价高,与东部发达地区相比,融资结构单一,公路车流量相对较小,资金回报率低,成本难以迅速收回。