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externalir radiation exposure 外照射
Radiation exposure should be reduced to the minimum. 接受辐射应该:降到最低。
Evaluate amount of radiation exposure of client, visitors, and staff. 评价病人、来访者及工作人员接触的辐射量。
Radiation exposure before conception, in utero and postnatally was assessed. 分别检测了在受孕、子宫中以及生后的放射情况。
The average radiation exposure of occupationally exposed persons was 0.10 mSv against an annual statutory limit of 20. 他们的平均辐照量为0.;10毫希沃特(mSv)，低于20毫希沃特的法定辐照年剂量限值。
Frequency of medical radiation exposure in Wuhu city in 1996 and 1998 was reported in this article. 本文报道了芜湖市 1996年和 1998年医疗照射频度水平。
It is more common in patients with a history of radiation exposure and spreads via the lymphatic system. 有照射史病人较常见，癌细胞可经淋巴系统扩散。
The International Commission for Radiological Protection ICRP sets certain recommended limits for whole body radiation exposure. 国际放射防护委员会就全身可接受的辐照量订下了建议上限。
Objective To explore a practicable process to estimate the cosmic radiation exposure doses to aircrews of civil aviation at flying altitude. 目的研究简便可行的民航飞行人员所受宇宙辐射有效剂量的估算工具。
The cytogenetics results and dose estimation of exposed and related persons in an discontinuous radiation exposure event were reported in this paper. 本文报道2002年某单位放射源事故中受照者及相关人员的细胞遗传学检测结果,并对受照剂量进行了估计。
Conclusion: Occupational low-dose radiation exposure may have obviously effects on the micronucleus yield of medical X-ray workers. 结论：职业小剂量照射对医用X射线工作者微核产额的增加有较大的影响。
Letters on the stamps, ultraviolet radiation exposure to sunlight, as can a certain wavelength reflection of light, also known as “. 不疑函上贴上这栽邮票后，在紫外线灯照射下，因能不直射不入必定波不幼的平芒，故而也称”不收亮邮票“。
In each case that required a computed tomography scan of the pelvis, the calculated radiation exposure dose to the fetus was greater than 5 cGy. 每个需要骨盆CT扫描的患者，其胎儿接受的放射剂量经计算大于5cGy。
Radiation exposure can be reduced considerably by a combination of instrument navigation and navigated C-arm positioning. 通过导航仪器和安装导航的C形臂定位方法的联合可以大大地减少射线照射。
The change of the tension strength and the rupture elongating rate with different loading rates and ultraviolet radiation exposure time was measured and analyzed. 分析了不同加载速率和紫外线照射时间下，复合材拉伸强度和伸长率的变化规律。
The UV crosslinker provides an extremely uniform shortwave radiation exposure chamber for bonding nucleic acid to medium, typically done prior to hybridization. 紫外线交联装置可以提供极度均匀的短波辐射暴露室，用于核酸和中介的结合，这个过程一般在杂交前结束。
Safer: tomo therapy delivers a presice dose of radiation on the tumor while dramatically reducing radiation exposure to surrounding healthy tissues and organs. 更安全:断层放射疗法把准确剂量的放射线送到肿瘤,同时极大地减少放射线对周围健康组织和器官的伤害。
These risks include possible neurologic injury, major vascular injury, violation of the pleura, and increased radiation exposure during screw placement. 这些危险包括可能的神经损伤，主要血管损伤，损伤胸膜，增加螺钉植入过程中射线的暴露。
Students know how to better protect themselves from ionizing radiation exposure in the future，Moreover patients can be at a reasonable exposure doses level . 以便学生在今后的工作中懂得如何更好的保护自己少受电离辐射的照射，使患者的受照剂量保持在可合理达到的尽可能地的水平。
Cytogenetic techniques as a measurement method of radiation biodosimetry were widely used and validated in evaluation of ionizing radiation biodosimetry, especially in acute radiation exposure. 细胞遗传学技术作为生物剂量测定方法,已在生物剂量估算特别是急性照射剂量估算方面得到广泛应用和验证。