concentration of mining 中文意思是什麼

concentration of mining 解釋
回採的集中化
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  • of : OF ＝Old French 古法語。
  • mining : n 1 采礦，采礦業，礦業。2 敷設地雷[水雷]。adj 開礦的，采礦的。 a mining engineer 采礦工程師。 min...
  1. Abstract : combined with fundamental characteristics of in - situ leaching mining, this paper presents primary factors influencing the reation rates, such as lixivant concentration, oxidizer, porosity, permeability, seepage volocity, structure of ore, minerals of competition, etc. the factors which influence the reaction rates of in - situ leaching have been discussed

    文摘:結合原地浸出工藝的特點，總結提出了影響原地浸出反應速率的主要因素，並就溶浸劑濃度、氧化劑、孔隙度、滲透系數、滲透速度，礦石的結構、構造及礦物的嵌布特徵，競爭礦物等對原地浸出反應的影響進行了分析與討論。
  2. The study of cadmium concentration mechanisms under supergene weathering action can offer countermeasures in preventing cadmium pollution from the mining of phosphate rock

    研究福元素在表生風化作用下的活化遷移沉澱富集機理可以為防治磷礦山開采中可能產生的鎘污染提供對策。
  3. Radon concentration level in the pits of 24 coal mines in zaozhuang mining area

    棗莊礦區24所煤礦井下氡濃度水平
  4. The range of pressure reducing at the lower coal side - face, the position of peak stress, the concentration degree of pressure during mining the lower coal after mining the upper coal, and the relation of them are studied

    研究了上煤層開采後下煤層開采過程中，採煤工作面兩側應力降低區范圍、峰值應力的位置、應力集中的程度以及與上煤層開采時的對比關系。
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