目的观察附加二氮嗪（DZ）与1，6-二磷酸果糖（FDP）心麻痹液对冷保存大鼠心肌能量代谢的作用。
Objective To evaluate the effect of cardioplegia solution supplemented with diazoxide(DZ) and fructose-1,6-diphosphate(FDP) on myocardial energy metabolism in preserved rat hearts.
用流动注射仪测定总氮水样，发现用不同的硫酸浓度保存总氮样品时，对其测定结果有一定的影响，并与过硫酸钾氧化-紫外分光光度法进行比对和分析。
In the determination of total nitrogen in water sample by flow injection analysis instrument, the concentration of sulfuric acid which used for the preservation of sample affected the result.
就此提出了酒石酸钾钠溶液的有效期和保存方法，以进一步提高氨氮测定的准确度。
Thus, the potassium sodium tartrate solution's period of validity and store method were put forward in order to more improve the measurement precision of ammonia.
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