2) retardation factor
阻滞因子
1.
A study on retardation factor of atrazine in a sandy loamy soil;
砂质壤土中农药阿特拉津阻滞因子的研究
2.
Effects of solution/soil ratios on exchangeable NH_4~+ retardation factor;
土壤液土比对土娄土NH_4~+运移阻滞因子的影响
3.
The transport law of leachate pollutant COD in different lithology and thickness vadose zones was studied , and some concerned hydrochemical transport parameters(retardation factor R and the rate of hydrochemical transport E)of COD in vadose zones was also calculated.
用若干土柱模拟试验研究了垃圾渗滤液有机污染组分在不同岩性、不同厚度包气带介质中的运移规律,并计算了有机污染组分在包气带中运移的有关水化学迁移参数(阻滞因子R和水化学迁移率E)。
4) retardation factor
阻滞因数
6) gene block
基因阻滞
补充资料：Ⅰ度房室传导阻滞
Ⅰ度房室传导阻滞
Ⅰ degree atrioventricular block
只有房室传导时间延长，心电图呈P-R间期延长，患儿无自觉症状，听诊可有心尖部第一心音减低。主要病因为风湿性心脏炎、心肌炎、心肌病、其他病毒传染病及洋地黄、奎尼丁等药物中毒。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条