批料组合物中 K_2O 的量对熔体中腐殖土的偏析有影响。
The amount of K_2O in the batch composition has an effect on the segregation of humite in the melt.
本文用比色法测定了农坡耕地参和腐殖土参总皂甙的含量。
The content of total saponin of Ginseng cultivated in farmland and in humus was determined by colorimetric method.
而腐殖土下面的土壤却不是黑色的，这种浅色的土壤很像沙子，它是由碎石变成的。
The soil under the humus is not dark. This lighter soil is rather like sand; it is made of bits of rock.
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