Sample records for 雨 (rain)
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44

山东、四川部分区县环境和食物中氟化物水平调查 Investigation on Fluoride Levels tn Environment and Food

LI Shu - rain(李淑敏); YING Bo(应波); Jl Rortg - di(吉荣娣)

目的了解调查地区环境和食物中氟化物的水平。方法采用燃烧水解一氟离子选择电极法测定土壤中氟化物的含量;离子选择电极法直接测定饮水中氟化物的含量,扩散一氟离子选择电极法测定粮食和蔬菜样品中氟化物的含量。结果山东和四川省调查地区饮用水氟化物的含量为0.14~39mg/L,符合我国生活饮用水卫生标准(GB5749—1985);调查地区土壤氟化物含量为175.4~625.1mg/kg;调查地区6种粮食氟化物的含量,除四川邛崃县面粉外,其他均符合我国粮食含氟标准;调查地区蔬菜氟化物的含量除山东淄川的韭菜、油菜氟超出限值(1mg/kg)4倍和0.9倍。四川邛崃干辣椒氟超出限值(1mg/kg)4倍外,其余各类...

DRIVER (Chinese)

73

Queen

Queen

Party ;Khashoggi's ship ;The miracle ;I want it all ;The invisible man ;Breakthru ;Rain must fall ;Scandal ;My baby does me ;Was it all worth it ;Hang on in there ;Chinese torture ;The insivisible man (12'' version)

DRIVER (Chinese)