催化羊毛固定阿仑膦酸钠 关键词：MTG; 羊毛; 阿仑膦酸钠; 磷含量 [gap=951]Key words：MTG; wool; alendronate sodium; phosphorus content
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total phosphorus content 总磷量 ; 总磷含量
Determination of phosphorus content 磷含量的测定 ; 磷含量测定
Determination of total phosphorus content 磷总含量的测定 ; 总磷含量的测定
effective phosphorus content 有效磷含量
Determination of the phosphorus content 磷含量测定
end phosphorus content 终点磷含量
The equilibrium index of the cultivated land of the soil phosphorus was 1.09~2.53 during the past 20 years which resulted in the increase of the soil phosphorus content on the whole.
在近20年间成都平原耕地土壤磷养分的平衡指数介于1.09～2.53,导致土壤磷素含量总体上升。
参考来源 - 基于GIS的成都平原土壤磷素变化特征研究An effective way to reduce phosphorus content in electroless nickel deposits is to use appropriate complexing agents.
降低化学镀镍镀层磷含量的主要方法是选择合适的络合剂。
参考来源 - 聚氨酯海绵基体低磷化学镀镍工艺及机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
And usually request steel phosphorus content of less than 0.045%, lower request high quality steel.
因而通常请求钢中含磷量小于0.045%，优质钢请求更低些。
Plant phosphorus content and phosphorus uptakes were increase with increase of phosphorus concentration, but plant phosphorus use-efficiency was reducing.
随着液体磷浓度的增加，植株磷含量和磷吸收量相应增加，而植株磷利用效率相应减少。
The results showed that straw application increased crop yield, soil organic carbon accumulation, soil total nitrogen and phosphorus content as well as phosphorus activation.
结果表明，秸秆还田提高了作物产量，增加了土壤有机碳积累和土壤氮磷含量，且能活化土壤磷素。
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