土壤中水溶性氟化物,随外界的氟化物对土壤污染,较土壤中全氟变化明显。
The Change of the soluble fluorides in soil is more obvious than the total fluorides in soil when polluted from outside.
水溶性氟与全氟无一定的相关性。
Watersoluble fluorine has no direct correlation with total fluorine.
植株各部位非水溶性氮含量占全氮的比例,叶片在90%以上,高于茎和叶柄,随生育时期变动很小。
The NWSN /total nitrogen ratio was bigger than 90 % in trifoliolates, higher than that in stems and that in petioles, but they changed hardly with growing stages.
植株各部位非水溶性氮含量占全氮的比例,叶片在90%以上,高于茎和叶柄,随生育时期变动很小。
The NWSN /total nitrogen ratio was bigger than 90 % in trifoliolates, higher than that in stems and that in petioles, but they changed hardly with growing stages.
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