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
The effects of double-row concave ridge and film mulching on phosphorus content in flue-cured tobacco leaves and soils were studied by field and laboratory experiments.
采用田间试验与室内分析相结合的方法，探讨了烤烟地膜覆盖与双行凹型垄结合对烤烟及土壤磷素含量的影响。
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。
Nitrogen, potassium, phosphorus content with increasing soil depth is gradually reduced.
碱解氮、速效钾、速效磷含量随着土层深度的加深逐渐降低。
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