Positive and negative contrast media for enhanced MR imaging of the liver were studied.

本文复习了肝脏磁共振增强扫描中所应用的阳性及阴性造影剂。

youdao

Conclusion: Barium Sulphate Suspension has good MRI negative contrast effect, the Suspension presented here is suitable for clinical application.

结论：硫酸钡混悬剂有良好的阴性MRI造影效果，本研究提出的硫酸钡混悬剂可望用于临床造影。

youdao

Contrast this with times we're under stress or after experiencing some disappointment. At those times our mind can be quite negative and quite "busy."

但是但我们处于压力之下或感到沮丧时，我们的心态就会变得消极负面。

youdao

Those companies suffering negative coverage, in contrast, had underperformed by 34.6%.

ECONOMIST: Buttonwood

In contrast, the negative results for Vioxx and Celebrex showed a doubling or tripling of risk--about the same increase in cardiovascular risk as with obesity or smoking.

FORBES: Fear Mongering At The FDA

In contrast to the typically negative portrayal of the narcissistic personality syndrome, our results suggest that narcissism may be a key ingredient in overcoming organizational inertia.

FORBES: New Study: Egomaniacs Make the Best Leaders