Pretreatment by mechanical filters, activated carbon filters, switches and precision filter sodium ion composition.

预处理是由机械过滤器、活性碳过滤器、钠离子交换器及精密过滤器组成。

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The space particle composition detector aboard FY-1C satellite can simultaneously detect proton spectrum, electron integrated flux and heavy ion composition.

FY 1C星空间粒子成分探测器能够实现对质子能谱、电子积分通量及重离子成分的同时测量。

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The effects of different nitrogen fertilizers on salt content and ion composition in greenhouse and open field soil were studied through laboratory incubation experiment.

通过室内模拟培养实验，研究了尿素、碳酸氢铵和硝酸钙对设施土壤盐分含量和离子组成的影响。

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By determining how many of those molecules to hold onto, how many to keep in the body, how many to release determines the internal composition with regard to that ion.

通过控制体内这些分子的水平,即体内保有多少,又排出多少,就能够保证内环境中离子组成的稳定

耶鲁公开课 - 生物医学工程探索课程节选

Instead, differences in composition between warm-water and cold-water ion channels were the result of a phenomenon called RNA editing, in which special enzymes alter the structure of the RNA messenger, and thus of the final protein.

ECONOMIST: A hitherto-unknown way to evolve