Objective to choose optimal injection rate in spiral ct portography (CTP) by comparing 3d CTP images using different injection rates.

目的通过比较使用不同注射速率所获得的螺旋CT门静脉造影(CTP)三维图像，优化注射速率的选择。

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Objective To investigate the optimal injection rate and reconstruction matrix in 64-slice spiral CT lower extremity artery angiography.

目的探讨64层螺旋CT下肢动脉血管成像的最佳注射速率与重建矩阵的选择。

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Researchers now plan to investigate the optimal dose schedule for injection of the virus.

研究者目前正测试该病毒注射的最佳剂量方案。

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Because it can take months of steam injection to bring the reservoir up to optimal temperatures, producers are loathe to halt the process for fear of damaging their sands and gumming up their gear.

FORBES: Total Kicks Up A Sands Storm