Objective To study the relationship between X - ray tube potential and patient dose, and to explore the way to reduce the dose.

目的研究摄影管压与受检者剂量的关系，探讨减少受检者剂量的方法。

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Quantitative analysis of scan conditions was carried out by using ct scan optimization factor as a comprehensive index to evaluate image quality and patient dose.

本文用CT扫描“优化因子”作为图像质量、病人所受剂量的综合评价指标，实现了CT扫描条件优化的定量分析。

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The risk of harm can be minimized by ensuring that prescribed medicines are of good quality, safe, effective and used by the right patient in the right dose at the right time.

通过确保具有良好质量、安全、有效的处方药品，并且在正确的时间、以正确的剂量、用在正确的病人身上，可将这种危害风险降至最低。

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The computer program continuously takes in data from a glucose monitor inserted into a patient's vein and calculates the dose of artificial insulin that needs to be infused through an insulin pump.

VOA: standard.2010.04.15

External beam radiation involves zapping a patient with high-dose X rays generated by a machine called a linear accelerator.

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If a patient needed a big dose of muscle relaxant, it can mean more time on a ventilator as those drugs wear off.

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Unfortunately, those four filters mean you also have to take four separate images to get one clear image, giving the patient quite the extra dose of radiation.

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