... screening classification 颗粒分级、筛分 screening filter 筛网过滤器 screening trommel 圆筒筛、转筒筛 ...
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felt screening pad filter 毡网垫式滤清器
Objective To establish the method of screening the susceptibility to childhood lead poisoning by filter paper.
目的建立以纸片末梢血筛查儿童铅毒性易感性的方法。
USES: widely used in industries and construction, screening sand, filter liquid and gas.
用途：广泛用于工业及建筑业，筛选砂粒，过滤液体及气体。
Objective To establish a method for amino acid analysis in dry blood filter paper by tandem mass spectrometry for newborn screening and diagnosis of amino acid disorders in children.
目的建立可靠的串联质谱技术检测干血滤纸片中氨基酸方法，以便用于氨基酸代谢紊乱疾病的筛查和诊断。
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