;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
量低
量很高的土壤，由于缺少分解性细菌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机无机复合及腐殖质结合形态的影响。
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