的;The effect of organic expanders including humus acid, lignin,vio-lanthrone and isoviolanthrone on the performances of the lead-acid battery are described.
本文叙述了腐殖酸、木素、
蒽酮及异蒽酮作膨胀剂对蓄电池性能的影响.
The effect of organic expanders including humus acid, lignin,vio-lanthrone and isoviolanthrone on the performances of the lead-acid battery are described.
本文叙述了腐殖酸、木素、蒽酮及异蒽酮作膨胀剂对蓄电池性能的影响.
Gley (glei) A waterlogged soil lacking in oxyen, in which raw humus accumulates as a result of lack of decomposition by bacteria.
是一种氧含量低而水含量很高的土壤，由于缺少分解性细菌而在其内积累了大量的腐殖质。
A long-term field experiment was carried out to study the effect of fertilization on the organo-mineral complexation and the combined forms of humus of phaeozem in Jilin Province, China.
摘要利用长期定位试验研究了施肥对黑土有
复合及腐殖质结合形态的影响。
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