Maintenance of continues low level nitrate with sufficient supply of phosphate, namely low N:P ratio, may facilitate the growth of Alexandrium tamarense.

维持培养液中适当低的氮水平，并保证足够量的磷供应即较低的氮磷比是促进塔玛亚历山大藻生长的重要原因。

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Relationships between sulfide capacity or sulfide capacity index and sulfur partition ratio and between phosphate capacity or phosphate capacity index and phosphorus partition ratio were derived.

推导了炉渣硫化物容量(或容量指数)与硫分配比及磷酸盐容量(或容量指数)与磷分配比的关系。

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Furthermore, as the ratio of phosphate to sulfate increases the product quality (grade and recovery) improves, which emphasizes the effect of the phosphate ion as a depressant for phosphate minerals.

此外，因为硫酸磷比例进步产物质量(品位和收受接管率)进步，这强调作为抑止剂用于磷酸盐离子效应磷等矿物质。

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Being able to tweak the ratio of calcium to phosphate alters not only the strength of the NanOss, but also the rate at which it is absorbed and the ease with which it combines with collagen, a protein that is the other main ingredient of bone.

ECONOMIST: Nanotechnology