煤的分選特徵 的英文怎麼說
中文拼音 [méidefēnxuǎntèzhǐ]
煤的分選特徵
英文
preparation characteristic- 煤 : 名詞(黑色固體礦物) coal
- 的 : 4次方是 The fourth power of 2 is direction
- 分 : 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
- 選 : 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
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 徵 : 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
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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的分析和評價,著重考慮了復墾的生態社會效益、復墾土地資源的價值、市場價格變化對復墾經濟收益的影響和復墾效益對時間的依賴性,以期為復墾項目的選擇和相關政策的制定提供經濟方面的依據和指導.並以唐山市開灤煤礦3種典型的塌陷地生態復墾模式為例進行了分析,結果表明,將環境經濟學引入復墾模式的分析和評價,可以比較全面反映復墾活動的經濟特徵
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