Objective To investigate the dynamic changes of serum and urine epidermal growth factor(EGF) in neonates with asphyxia and their relationship with acute renal failure(ARF).
目的了解窒息新生儿血、尿表皮生长因子（EGF）的动态变化，探讨EGF与窒息新生儿急性肾功能衰竭（ARF）的关系。
The evolution of the residents 'consumption behavior is a dynamic process of interaction between consumption upgrade, changes of consumption tendency and income growth.
居民消费行为演变是消费升级、消费倾向变动和收入增长三者相互作用的动态过程。
The dynamic changes of soil microbial biomass Carbon (c) and soil enzyme activities during growth of corn were studied in field experiment.
采用大田试验法研究了玉米生育期内土壤微生物量碳和酶活性动态变化特征。
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