物理老化发生时，碳酸氢根在血液中减少。
Physical aging occurs when bicarbonate in the blood decreases.
监测血清游离钙、枸橼酸、血钠、碳酸氢根浓度；
The serum ionized calcium, citrate, bicarbonate, sodium, serum creatinine and urea concentration.
在那里，石灰会与水中溶解的二氧化碳反应，生成碳酸氢根离子。
There, it reacts with CO2 dissolved in the water, converting it into bicarbonate ions.
目的改良血清碳酸氢根测定方法，提高准确性及精密度。
Objective To improve serum hydrocarbonate measuring method and heighten its accuracy and precision.
此图，从它的研究中，显示了碳酸氢根离子密度的下降，因为它涉及到年龄。
This graph, from her research, displays the decline of plasma bicarbonate density as it relates to age.
海洋酸化还会进一步引起连锁化学反应：更多的氢离子意味着碳酸氢根离子多了，而碳酸根离子少了。
Ocean acidification has further chemical implications: more hydrogen ions mean more bicarbonate ions, and fewer carbonate ions.
低碳酸氢根水平、低补体C3水平、A型血是非透析肾脏病患者心理抑郁的危险因素，年龄是心理抑郁的保护因素。
Low bicarbonate levels, low complement C3 levels and A-type blood are risk factors for non-dialysis patients with depression, but the age is protective factor for depression.
气道滴入碳酸氢钠后剩余碱值及碳酸氧根值差异有统计学意义（P〈0．05），而对血压、心率无影响（P〉0．05）。
BE and HCO3 had statistically significance before and after instiuation of sodium bicarbonate in airway ( P < 0. 05 ) , but the blood pressure and heart rate had no effect ( P > 0. 05 ).
气道滴入碳酸氢钠后剩余碱值及碳酸氧根值差异有统计学意义（P〈0．05），而对血压、心率无影响（P〉0．05）。
BE and HCO3 had statistically significance before and after instiuation of sodium bicarbonate in airway ( P < 0. 05 ) , but the blood pressure and heart rate had no effect ( P > 0. 05 ).
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