四川阿坝与内蒙古陈旗砖茶中氟含量的调查_茶禅茶道_茶叶门户网 关键词 砖茶；测定；氟含量 [gap=1333]Key words Brick-tea；Determination；Fluoride content
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...装:25公斤或50公斤/袋包装各项指标分析结果(Specifications):总磷含量(Total P):18.30% 钙含量(Calcium):21.9%氟含量(As F Unit): 0.13%砷含量(As As Unit): 18ppm重金属(As Pb Unit):15ppm细度(Beneath 500uM Sieve): 97.5% ..
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氟含量的测定 Determination of fluorine content
煤中氟含量分级 Classification for fluorine in coal
氟含量测定 Determination of fluorine content
组织氟含量 Content of Fluorine in tissue
六氟硅酸含量的测定 Determination of hexafluorosilicic acid content
砖茶含氟量的检测方法 Determination of fluoride content in brick tea
六氟硅酸含量测定 Determination of hexafluorosilicic acid content
The fluoride content in tea was determined by ultrasonic extraction and ultrasonic ion-selective elect rode method.
使用超声波-氟离子选择电极法测定茶叶中的氟含量。
参考来源 - 超声波When the fluorine content was 7.7wt%,the calculated surface energy was 15.5mJ/m~2,which was lower than polytetrafluorethylene (22mJ/m~2),exhibiting excellent water and oil repellency.4.
随着氟含量的增加,水接触角逐渐增大,表面能降低。
参考来源 - 核壳纳米结构水性含氟聚丙烯酸酯乳液的合成及性能·2,447,543篇论文数据，部分数据来源于NoteExpress
目的了解重庆地区地产小麦氟含量。
Objective To understand the fluoride contents in local wheat in Chongqing.
方法采用以改炉灶为主，降低室内空气氟、食品氟含量。
Methods Improving stove to decrease fluoride in indoor air and food.
目的了解河南省降氟改水打井工程水氟含量和工程使用情况。
Objective To understand water fluoride concentration and application of the fluoride lowering well digging projects in Henan Province.
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