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- minimal exposure dose 最小曝光剂量
- The eyes of rabbit received 0.0125 GY single exposure dose of fast neutron from Amc-Be neutron source. Am-Be中子源;0.;0125Gy快中子照射北京灰兔双眼及全身;照射时间为150分钟。
- Its innovative design included minimal exposure above the waterline, a heavily armored deck and hull, and a revolving gun turret. 它的设计特点是水线以上的暴露部分非常少,有一个很厚的甲板和船身以及一个旋转炮塔。
- Methods The exposure dose, imag ing time and image quality were compared in the two digital imaging system. 方法对两种数字化成像系统的曝光剂量、成像时间和图像质量进行比较分析。
- Cathay Pacific has also adopted an additional internal action level to ensure that crew will not exceed the recommended exposure dose. 国泰航空已采用相关措施以确保机组人员不超过建议的年辐照量。
- A real-time exposure dose control algorithm for DUV excimer lasers in a step and scan projection lithography is presented. 提出了一种面向步进扫描投影光刻机的深紫外准分子激光实时曝光剂量控制算法。
- 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。
- Dose equivalent of exposure dose in mammary is the highest, those in thyroid is the secondary, and genitical gland area has the lowest dose. 各敏感器官以乳腺受照剂量当量最大,其次为甲状腺,性腺区最少。
- All dose equivalent of exposure dose in sensitive organs in non-projection center in high KV photography lower than those in low KV photography. 高管电压摄片时,非投照中心点各敏感器官受照剂量当量均比低管电压摄片时低。
- Start with a hands-free headset, which may minimize exposure to radiation. 使用无需手持的耳机能使接触辐射量降至最低。
- Conclusion When the KV is as high as possible and the exposure field is as small as possible, each dose equivalent of exposure dose of organs out of exposure field is decrease. 结论:胸部摄片时管电压越高,照射野越小,照射野外各部位受照剂量当量亦越少。
- Start with a hands-free headset,which may minimize exposure to radiation. 使用无需手持的耳机能使接触辐射量降至最低。
- The exposure dose of most of patient's neck during operation exceeded 50 mSv, a shielding instrument containing lead for the patient's neck during operation was needed. 可选择铅和含铅材料作为防护材料。
- Although spiral CT has the disadvantage of high X-ray exposure dose, high cost and adverse reaction due to contrast medium, it is of great value in diagnosing breast carcinoma. 虽然螺旋CT检查的照射剂量较大、检查费用高及对比剂带来的副作用,使它不适宜用于乳腺癌的普查,但它在乳腺癌高危人群中对于早期诊断乳腺癌方面具有较高的价值。
- Presents the concepts of exposure cell and its layered model in order to get more accurate exposure dose of indoor occupants during the short period of incidents. 摘要为了准确获得短时间内人员在室内微环境中的暴露剂量,提出了暴露单元及分层模型的概念。
- Objective To investigate the magnitude of dose equivalent of exposure dose in different organs of human being using high and low KV X-Ray photography in chest. 摘要目的:探讨胸部高、低管电压X线摄片对人体不同组织器官的受照剂量当量大小。
- Corrective action to minimize the leak or at least minimize exposure to people and equipment. 减少泄漏或者至少减少人员和设备的暴露的补救行动。
- Infection control in hospitals has also been stepped up, and visitors to hospitals are prohibited to minimize exposure. 医院的感染控制工作也已加强,并禁止市民前往医院探病,以减低感染风险。
- Both DR and CR have raised the picture quality and lower the exposure dose than conventional radiogram to varying degrees, and also have higher efficiency and more profit by shortening the examination and review time, but DR dominates over CR. DR和cr均提高了图像质量,不同程度减低了被检者所受X线照射量,通过缩短检查和发报告的时间加快了工作效率,带来更高的效益,DR较之cr更具优势。
- The results of numerical simulation show the lesion of photoaging skin can be selectively damaged if the wavelength, exposure duration and exposure dose of irradiated ligh are reasonably selected. 数值模拟的结果表明:合理选择光辐射波长、辐射曝光时间和曝光剂量,可以选择性的热破坏光老化皮肤中的病损组织。
