（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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k Na Cl Ga 电解质
K Na Cl 电解质三项
Na-K-Cl cotransporter 共同转运体
Na-Cl co-transporter 共转运体
K Na Cl Ca 血电解质
Na-Cl-Br体系 Na-Cl-Br system
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 content of 12 Inorganic ions including Na, K, Ca, Mg, Cl, P, Fe, Cu, Zn, Mn, As, Se were quantitatively analysed in extract fluid of Xueyutan, fowl feather and Tibetan Snow Cock′s feather.
对血余炭、鸡毛、藏雪鸡毛的水提取液中钠、钾、钙、镁、氯、磷、铁、铜、锌、锰、砷、硒等12种无机离子含量进行了定量分析。
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