| 释义 |
尿素。 以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译 - 1
Nitrogen compounds, like urea, a big component of urine, are transformed over several steps. 含氮化合物如尿的主要组成成分尿素则经过几步被转化。 - 2
Meanwhile, the resin of urea and formaldehyde is used for medium-density overlay (MDO), a combination of concrete and plywood, used in concrete moulds. 同时，尿素甲醛的树脂用于制造中密度板(MDO)，这是一种混凝土和夹板的组合体，通常用于混凝土模具中。 - 3
So he and his colleagues tested a range of chemicals found in fertilizers, including nitrate, ammonium and urea, to determine their effects on the algae. 他和同事们研究了肥料中的一系列化学物质，包括硝酸盐，铵和尿素，观察他们对海藻的影响。
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