Is a quick water-soluble nitrogen, nitrogen content above 21.0%.

是一种水溶性速效氮肥，氮含量在21.0%以上。

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The -sh content was in good linear relationship with that of TCA-soluble nitrogen.

热变性后蛋白中- SH含量与TCA可溶性氮成较好线性关系。

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Soluble nitrogen concentration in surface runoff from cultivated land is highest, and then is in runoff from village, barren grassland and orchard.

不同地表径流中的溶解态氮浓度的差别较大，村庄最高，其次是耕地、荒草坡、林果地。

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They hired a scientist to come up with a formulation of chemicals that delivered nitrogen, potassium and phosphorus in highly water-soluble form, so that an impatient gardener could give plants an instant shot to the leaves, so to speak.

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