Tests showed that the catalyst remains active for seven hours before it becomes choked up with solid carbon.

测试表明，这种催化剂若没有被碳消耗则7小时后仍具有活性。

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Active listening can really help you know more about them and establish a basis for solid communication.

积极的倾听者能真正帮助你更多地了解他们并为扎实的交流奠定基础。

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Amorphous material is one of the most active part of the solid phase of soil.

无定形物质是土的固相中很活跃的一个组成部分。

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Solid-state storage and memory technologies in general use less power than hard disk drives when they are active, and thus there can be power savings if some solid-state storage and memory can be used in a mixed storage technology environment in a way that reduces the spinning time of hard disk drives and thus decreases the power needs of a storage system.

FORBES: Pumping Iron and Keeping Cool

It says it has solid evidence that participation in the programme more than pays for the rewards: active participants are less likely to fall ill and, if they do, they spend a shorter time in hospital.

ECONOMIST: Schumpeter