（3）变质系数（Cl-Na）/Mg 变质系数反映地层水的浓缩变质程度,如果该数值较低(一般小于0),则反映 地层水封闭保存条件遭到破坏,不利于油气保存 [15] 。
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Authors measured serum Ca, p, Mg, K, Na, Cl, nonprotein nitrogen and mucin of 8 serum in urolithiasis sheep and health sheep separately.
作者取患尿石病和健康绵羊血清各8份，分别测定其钙、磷、镁、钾、钠、氯、非蛋白氮和粘蛋白等成分。
Methods The level of serum potassium(K) , natrium (Na) and chlorine(Cl) were measured in 71 neonates suffered birth asphyxia and 20 normal newborns.
方法对71例窒息新生儿和20例正常新生儿血清钾、钠、氯电解质进行了监测。
The correlation of some elemental contents between left and right brain tissues was observed, and the correlation between Na and Cl contents in brain was also observed.
还观察到一些元素的含量在左右两个半脑间的相关性以及钠和氯含量之间的相关性。
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