Substances such as urea (a leftover from protein metabolism) and excess phosphate ions therefore flow from the blood to the water.
这样，诸如尿素（蛋白质新陈代谢所留下的残余物质）和多余的磷酸盐离子等物质便从血液转移到水中。
To study the flow injection analysis method to determine urea in the water of swimming pools.
目的研究流动注射分析法测定游泳池水中尿素的方法。
The process flow sheet, technological Characteristics and usage of UTI urea process are briefly introduced. Its superiority is described in this paper.
简单介绍了UTI工艺的流程、技术特点及应用情况，并指出它是一种较为先进的尿素生产工艺。
Introduce the main technical features and process flow of heat-cycle urea process. Also put forward some Suggestions for the expansion of heat-cycle urea plant.
该文介绍了热循环尿素工艺的主要技术特点及工艺流程，并就该工艺的特点对水溶液全循环法尿素生产装置的增产节能改造提出了参考意见。
The circulating fluid bed technology is used to gasify cheap pulverized coal, and by rational organization of the process flow the production cost of urea can be decreased.
利用循环流化床技术气化廉价的粉煤，通过合理组织流程，可降低尿素生产成本。
Flow injection method is simple, rapid and accurate to determine urea in the swimming pools.
结论流动注射法测定游泳池水中尿素的方法简单、快捷、准确，适合游泳池水中尿素的测定。
Flow injection method is simple, rapid and accurate to determine urea in the swimming pools.
结论流动注射法测定游泳池水中尿素的方法简单、快捷、准确，适合游泳池水中尿素的测定。
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