assessment of coal meaning in English

煤质评价

New approach to classified assessment of coal mines
解决煤矿中分类评判问题的新方法
Some problems to be solved in financial assessment of coal construction project
煤炭建设项目财务评价中几个问题的处理
Application of clean production - index analysis to environment impact assessment of coal mining industry
清洁生产指标分析法在煤炭行业环评中的应用
Explosibility of coal dust in underground hard coal mining - tests and assessments of coal dust - air - mixtures and hybrid mixtures
地下煤矿煤尘易爆性.煤尘空气混合气体和混合物的试验
Researching on cleaning potential assessment of coal resources is an important work and necessary way through which the pollution from coal could be controlled at fountainhead and the aim of rationally mining and cleanly utilizing coal resources could be achieved
摘要进行煤炭资源洁净潜势的评价研究，是从源头上控制煤源污染、从而达到合理开采和洁净利用煤炭资源目标的重要工作和必由途径。