Machine vibration frequency high, 3000 ~ 3600 times per minute, amplitude small-only 0.5 ~ 1, can be used in the viscous drug screening points, its screening efficiency.

该机振动频率高，每分钟3000 ~ 3600次，振幅小只有0.5 ~ 1，可以使用于粘性药分的筛分，其筛分效率高。

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Frequency screen is a new high efficiency machine and has the advantages of electromagnetic vibration, high frequency, high capacity and high screening efficiency.

复频筛是一种新型高效的筛分设备，具有电磁振动、高频率、设备处理能力大、筛分效率高等优点。

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The paper introduces a new kind of the cantilever bar screening machine, and dissertates its structure, working principle and technical characteristics.

介绍了一种新型悬臂棒条筛分机械，论述了其结构、工作原理和技术特性。

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Abdulmutallab then passed through a walk-through metal detector and put his shoulder bag through an X-ray screening machine, Demuren said.

CNN: Obama orders review of flight screenings

More than 60 breast screening appointments were cancelled after thieves stole the power lead for the scanning machine.

BBC: Essex

Demuren said the suspect underwent regular screening -- walking through a metal detector and having his shoulder bag scanned through an X-ray machine.

CNN: STORY HIGHLIGHTS