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Phosphatase enzymes expedite the breakdown of phosphate monoesters in about 10 milliseconds. Without the enzyme, the reaction's half-life would be a trillion years.
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五、磷酸酶这种酵素，可以使磷酸单酯迅速在千分之一秒内完成分解。若没有这个酵素，这个化学反应的半衰期会是一万亿年。 |
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Phosphate ester polymers are degradable in nature, and environment-friendly.
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磷酸酯类聚合物在自然界中可以降解，是环境友好的化学品。 |
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Phosphate ester polymers with higher molecular weight have been extensively applied in various fields including medicine and plastics auxiliary, and the lower molecular weight ones are very important in fields such as feedstuff and surfactant.
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其中，分子量高的聚磷酸酯近年来在医药、塑料助剂等方面有广泛应用，分子量相对较低的磷酸酯类聚合物在饲料、表面活性剂等方面很重要。 |
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Phosphates and sodium nitrate are used for the sequestration of insoluble calcium or magnesium salts, while the task of removing mineral deposits from stainless steel surfaces is facilitated by the use of acid solutions, usually solutions of nitric or pho
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磷酸钠及硝酸钠用于隔离不能溶解的钙盐或镁盐，而从不锈钢表面去除沉积的无机物通常使用酸溶液，一般是用含氮酸或磷酸溶液。 |
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Phosphates soften water for detergents but contribute to algae blooms in our waterways, which can kill off fish populations.
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含磷物质：对水有软化作用，提高清洁能力，但可促进河道产生藻类水花，对鱼类种群有杀伤性。 |
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Phosphorescent electroluminescent materials and devices are one of prime focuses of organic light-emitting device research in recent years due to their ability to efficiently utilize both singlet and triplet excitons and having higher efficiency.
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摘要有机电致磷光材料可以同时利用单线态和三线态激子发光，具有发光效率高等优点，成为近年来研究的热点。 |
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Phosphorescent pH sensors and switches with substitutionally tunable response range based on photoinduced electron transfer. Luminescence, 2005 (in press).
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用于识别金属离子的超分子荧光／磷光传感器.化学进展,2003,15:178-185. |
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Phosphoric acid: For use only to clean equipment.
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磷酸：仅限于作为清洁设备之用。 |
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Phosphorus content was relatively high in the soil, therefore the effectiveness of P fertilization in improving yield and increasing economic return was relatively low compared with that of K, especially when no K was applied.
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磷在土壤中的含量相对较高，因而同施钾相比，施磷对于提高产量和增加经济收益的效果相对较差，尤其在不施钾的情况下更是如此。 |
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Phosphorus fractionation is important too in understanding the biological phosphorus removal process and possibilities to recover phosphorus from sludges.
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磷分馏在对生物磷去除过程的了解和从烂泥恢复磷的可能性很重要。 |
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Phosphorus is an essential nutrient element for phytoplankton in ocean environments, and sometimes a limiting factor for the primary productivity.
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摘要活性磷（正磷酸盐）是海洋浮游植物生长所必需的物质基础，在某些海域，它甚至成为初级生产力的限制因素。 |
