无机氮

mineral nitrogen的用法和样例：

例句

There is the potential of uptake of soil, inorganic nitrogen by the roots of the semi-parasite.半寄生的根系有可能吸取土壤的无机氮。
Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content.秸秆还田增加了土壤全氮和无机氮含量。

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发表于:2018-12-08 / 阅读(63) / 评论(0)

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Korean Aid to Help Unearth Cameroon’s Mineral Resources

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发表于:2019-01-14 / 阅读(89) / 评论(0)

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gullet 水道 stream, brook 小溪 rapids 急流 whirlpool 旋涡 underground river 暗河 subterranean river 地下河 drainage net 河网 upstream , headwaters上游 midstream 中游 deflation 干涸 mother river 主流 tributary 支流 deposit 淤积

发表于:2019-03-13 / 阅读(119) / 评论(0)

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