Many countries are doing a great deal of research work on that not only because of the important role in the nitrogen circulation among nature but also the potential application value.

正是因为生物固氮在自然界氮素循环中的重要地位以及它在应用上的潜力，促使各国对生物固氮进行了大量的研究。

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The research on nearly 100,000 women, published in the journal Circulation, found pessimists had higher blood pressure and cholesterol.

杂志所述，在对100,000位妇女的研究，其中患高血压或胆固醇高的人高发在悲观主义的人身上。

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The research on competitiveness of Shanxi Circulation industry has strong theoretical and practical significance. The issue analyses development status of the circulation industry in Shanxi Province.

本课题的研究对于提升山西省流通产业的竞争力具有较强的理论和实际指导意义。

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Translating medical research into practice is never easy, but Dr. Ben Abella, a co-author on the Circulation paper and the clinical research director of the Center for Resuscitation Science, says that hypothermia is an especially hard pill for some to swallow.

CNN: Cooling is catching on for cardiac arrest patients