As an effective extractive method, ultrasound-assisted extraction has been widely used owing to its simplicity, ease of use, speed and enhanced safety.

超声波协助提取作为一种有效提取方法，因其简单、方便、快速和安全等优点得到了广泛应用。

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Zhejiang Petroleum Company formulated the safety standards and enhanced safety supervision and inspection, promoting safety management examination during the activity of "target management".

浙江省石油总公司在开展达标管理，确保油库安全工作中，定出标准，强化安全监督检查手段，加大安全管理考核力度。

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Reducing the spread of these infections will be a critical step towards enhanced and long term safety in health care.

减少这些感染的传播将是实现卫生保健中增强的长期安全的一个至关重要步骤。

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Pedestrian safety is an important concern in urban areas, and European manufacturers are leading the way toward enhanced pedestrian safety, probably due to regulation.

FORBES: The Most Dangerous Trucks of 2011

As a result there would be better use of the existing capacity at our London airports, safety would be enhanced and passengers will not have to panic every time it snows.

BBC: Heathrow Airport: Snow stops one in 10 flights

It was to give governments time to review safety standards needed in laboratories to conduct research with enhanced viruses and whether they wanted to fund such research.

BBC: Controversial bird flu work resumes