Objective: To probe the dynamic changing character of chemical elements contents in fetal lung and its physiologically nutritionalsignificance.
目的：探讨胎儿肺中化学元素的含量及其时序分布特征和营养生理意义。
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The processing technique and scientific formula of fresh mashed bone dunmpling stuffing were studied, And based on components analysis the nutritionalsignificance was analysed.
Conclusion for patients with COPD, in addition to conventional treatment, and to give the appropriate nutritional support for the marked improve lung function are of great significance.