安徽省亳州市耕地土壤养分状况调查 - 道客巴巴 关键词: 亳州; 耕地土壤; 全氮; 有机质; 有效磷; 速效钾 中图分类号: S153.6 文献标识码: A 亳州市... [gap=5035]Keywords: Bozhou; Farmland soil; whole nitrogen; organic; valid phosphorus; valid potassium 作者简介: 叶志刚(1976-), 男, 安徽桐城人, 硕士研究生, 研究方向为土壤背景
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The Determination method of organic basis of hydrochloride by oscillopolarographic titration is quick, exact, easy to observe the final result and can save materials.
用示波极谱滴定法测定有机碱盐酸盐类药物,快速、准确,易检测出最终结果,节省药品。
It is not something we can afford to do on a daily basis, and there aren't too many organic farms around here.
这不是我们每天都能负担得起的,而且附近也没有太多的有机农场。
On a seasonal basis, algal blooms near the sea surface send pulses of organic material to the deep seafloor.
从季节更替的角度,在海面附近发生的赤潮为有机物质向深海地区的运送提供了动力。
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