Online measurement of water content in petroleum is a significant procedure during oil mining and oil refining process.

含水率在线测量在石油开采和加工生产过程中有着重要的意义。

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"We're looking for concrete steps. And we take it as a positive sign that they've agreed in principle to take a couple of significant steps the opening of the Qom facility, and then working out a procedure for having their low-enriched uranium re-processed in another country.

VOA: standard.2009.10.24

Of course, transplants are also expensive, with costs in the hundreds of thousands, or even millions of dollars per procedure, and additional significant costs throughout the years for the follow up care.

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The researchers found that, like mothers, fathers show a significant drop in cortisol levels during this procedure.

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Few players in history have recovered from this type of procedure once, let alone twice, casting significant doubt on the future of one of the best starting pitchers of this generation.

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