For the exposure of patients in diagnostic radiology, individual dose limit does not apply, but optimization of radiological protection may play a major role.
对于医学诊断中病人接受的剂量，个人剂量限值不适用，但放射防护最优化却可以发挥大的作用。
Objective: Search metabolize of ALA take orally on skin and tumor, seek first-rank dose and diagnostic time of ALA take orally.
目的：探求ALA口服在皮肤及皮肤肿瘤中的代谢，寻求皮肤肿瘤光敏诊断最佳的ALA口服剂量及时间。
Objective: To evaluate the high dose contrast MR study of the brain in detecting small or occult lesions and in improving diagnostic accuracy.
目的：探讨大剂量增强MR检查对显示脑部隐匿性小病灶以及改善病灶的显示和诊断的准确性。
In patients with concentric remodeling and concentric hypertrophy additional first-pass perfusion imaging during high dose dobutamine stress improves the diagnostic accuracy for the detection of CAD.
在向心性肥大和向心性重塑患者中，大剂量多巴酚丁胺负荷下的第一次灌注显像为冠心病的诊察提高了诊断准确性。
Objective To investigate whether or not the stunning phenomenon presents with diagnostic dose of 131i in differentiated thyroid cancer radiotherapy.
目的诊断剂量131i在分化型甲状腺癌放疗中是否存在顿抑现象。
Analysis of the radiation dose used during CT indicated that it was on par with that used during diagnostic cardiac catheterization.
辐射剂量分析发现CT扫描过程产生的辐射剂量与导管造影的辐射剂量相近。
Objective: To research on the metabolism of ALA taking orally in lung of normal mice and seek suitable dose and diagnostic time of ALA taking orally.
目的：探求ALA口服在正常小鼠肺组织中的代谢，寻求肺组织光敏诊断最佳的ALA口服剂量及时间。
Objective: The dose effect relationship was studied in cadmium exposure workers to find sensitive and distinguishing diagnostic indicator of cadmium poisoning.
目的：探讨镉接触剂量与肾损害指标之间的剂量-反应关系，寻找较敏感和稳定的镉损害的早期诊断指标。
Objective To probe the minimum dose for trial diagnostic radiation of suspected intracranial germinoma.
目的探讨拟诊颅内生殖细胞瘤试验性放疗的最低剂量。
Conclusions To reduce or control chest fluoroscopic proportion will decrease surface dose from diagnostic X-ray of patients.
结论减少或控制透视比例，降低受检者群体的体表剂量，以减少医疗照射对人体造成的危害。
Comparable diagnostic image quality may support broader use of dose-reducing strategies in selected patients.
对一些挑选后的患者，对比诊断图像质量可扩大低照射剂量的应用范围。
Comparable diagnostic image quality may support broader use of dose-reducing strategies in selected patients.
对一些挑选后的患者，对比诊断图像质量可扩大低照射剂量的应用范围。
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