Gas, water, fire, dust, coal mine roof five kinds of typical accident fault tree diagram have been given by use of systems analysis from human, machine, environment, and management four elements.
运用系统分析方法从人、机、环境、管理四个要素出发给出瓦斯、水、火、煤尘、顶板五种煤矿典型事故的事故树图。
The paper presents a thermodynamic(energy balance and exergy analysis) evaluation criterion and calculation formulae for cogeneration systems of gas turbines.
给出了燃气轮机热电联产系统热力学分析（能量平衡分析和分析）评价准则及计算式。
For combustion systems in wide-ranging applications the analysis has proved: the energy cost for combustion systems vary as gas temperature and component efficiencies.
对目前广泛采用的各种燃烧系统，分析揭示了其能量效益与燃气终温以及系统中各设备的分效率之间的内在规律。
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