The primary and secondary dry crushing and associated dry screening systems are designed and sized to operate 6000 hours per year or 68.5 percent of total time.
初级和次级破碎和配套的干筛系统的设计和规模确定，是依据每年运行6000小时或总时间的68.5%。
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。
It is an exigent problem to solve the dry deep screening of moist fine coal.
潮湿细粒煤炭干法深度筛分是筛分技术急需解决的问题。
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