The optimum recipe of yolk powder and sodium nitrite was determined by single factor trial and preference method.

通过单因素试验和优选试验法，得出蛋黄粉和亚硝酸钠的最佳配比。

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The fast pace of change in the IT industry could well be a significant factor as the remedy phase of the trial kicks into gear.

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Bristol-Myers, with partner Pfizer, is testing factor 10a blocker apixaban in a giant 15, 000-patient trial on preventing stroke.

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Researchers don't yet know how to explain these correlations -- and since the study was not a controlled trial, it's not clear whether marijuana or some other factor in marijuana users' lifestyles actually accounted for the beneficial effects.

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