nitrogen base 含氮碱基 ; 氮碱 ; 氮碱基 ; 氮盐基
petroleum nitrogen base 石油中的含氮碱
Yeast Nitrogen Base 酵母氮源 ; 酵母氮源基础 ; 酵母基础氮源
nitrogen base gas 氮基气氛
Yeast Nitrogen Base without- 酵母氮源基础
nitrogen-base atmosphere generator 氮基气氛发生炉
Such intercropping is also a natural way of fertilizing: the legumes growing at the base of the taller sorghum add nitrogen to the soil.
这样的间作也是一种天然施肥方式:豆子在较高的高粱底部生长,可为土壤增添氮。
Melamine is an organic base chemical most commonly found in the form of white crystals rich in nitrogen
三聚氰胺是一种有机质的化学物质,最常见于含氮丰富的白色晶体。
Cytosine organic compound of the pyrimidine family often called a base consisting of a single ring containing both nitrogen and carbon atoms and an amino group.
胞嘧啶:嘧啶族的有机化合物。常被称为基,包含一个单环,内有氮原子和碳原子,还有氨群。
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