Listeria species in environmental samples from the food plant were detected by 3m Petrifilm by identifying the 210 typical colonies and 70 nontypical colonies from 112 environmental samples.

共采集112个环境样本，挑取了210个典型菌落，70个非典型菌落进行鉴定，评估3 M测试片对食品加工环境中李斯特菌的检测能力。

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We can conclude that the 3m Petrifilm is an alternative rapid method for detecting Listeria species in environmental samples from food plant.

这些结果表明3m测试片用于食品加工环境李斯特菌的快速检测不失为一种好方法。

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's International Atomic Energy Agency asked Iran to explain the presence of particles of enrichment levels of up to 27%, found in an analysis of environmental samples taken in February at the Fordo fuel enrichment plant near the city of Qom.

CNN: Talks over Iran's nuclear program resume in Moscow