煤的分選特徵 的英文怎麼說

中文拼音 [méidefēnxuǎnzhǐ]
煤的分選特徵 英文
preparation characteristic
  • : 名詞(黑色固體礦物) coal
  • : 4次方是 The fourth power of 2 is direction
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : 名詞[音樂] (古代五音之一 相當于簡譜的「5」) a note of the ancient chinese five tone scale corre...
  • 特徵 : characteristic; feature; properties; aspect; trait
  1. Abstract : guided by the theory of environmental economy, the basic ideology and method of e conomic analysis in coal - mine - aroused subsided and subsiding land reclaiming a re presented based on the analysis of economic characters of coal - mine - aroused subsided and subsiding land reclamiming. it is pointed out that the following fa ctors must be considered : the ecology benefit of reclaiming, the value of land re s ource before and after reclaiming, the sensibility of finacial benefits to market price and the time value of money. three typical reclaiming styles in kailuan co al mine, tangshan are studied as a case

    文摘:將環境經濟學引入復墾活動析和評價,著重考慮了復墾生態社會效益、復墾土地資源價值、市場價格變化對復墾經濟收益影響和復墾效益對時間依賴性,以期為復墾項目擇和相關政策制定提供經濟方面依據和指導.並以唐山市開灤礦3種典型塌陷地生態復墾模式為例進行了析,結果表明,將環境經濟學引入復墾模式析和評價,可以比較全面反映復墾活動經濟
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