您要查找的是不是:
- smoke exposure dose 烟雾暴露剂量
- Neither ventilation nor filtration, even in combination, can reduce tobacco smoke exposure indoors to levels that are considered acceptable. 通风或过滤,甚至两者相结合,都不能将室内接触烟草烟雾降低到被认为可接受的程度。
- 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。
- Secondhand smoke exposure causes acute lower respiratory infections such as bronchitis and pneumonia in infants and young children. 暴露于二手烟的环境之中,婴儿和年幼的儿童可能会发生急性下呼吸道感染,例如支气管炎,肺炎。
- 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。
- Secondhand smoke exposure causes respiratory symptoms, including cough, phlegm, wheeze, and breathlessness, among school-aged children. 暴露于二手烟的环境之中,学龄儿童会出现呼吸系统症候群,包括咳嗽、痰、气喘和呼吸困难。
- The risks are so high that absent tobacco-industry lobbying and disinformation, secondhand smoke exposure would already be banned in all states. 吸烟的危害如此之大,应该在所有的州都禁止烟草行业游说政府部门和提供虚假信息,并禁止在公共场所吸烟以减少间接吸烟的危害。”
- 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。
- They accounted for other factors such as second-hand smoke exposure, lead, mother's education and the quality of the home caretaking environment. 他们把与二手烟的接触、母亲的教育和家庭照顾环境的质量等因素都计算在内。
- 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。
- Children aged 3-11 years have cotinine levels (a biological marker for secondhand smoke exposure) more than twice as high as nonsmoking adults. 3到11岁的被动吸烟的孩子与那些家长不吸烟的孩子相比,他们体内可替宁(作为二手烟吸入量的一种血液标记)的含量要高出两倍多。
- 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。
- Twenty-four percent of the women had cotinine leels indicating passie smoke exposure, compared to 19 percent of the controls. 研究者通过对463位孕妇因被动吸烟而在6-12周流产和843位相同孕龄妇女则没有出现该现象进行了配对研究。
- 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。
- Willinger suggested that bacterial infections in infants might simply aggravate other risk factors for SIDS, such as smoke exposure or babies sleeping on their stomachs. 伟林格认为,婴儿体内感染细菌可能会加重其它引起突发性死亡的风险,如婴儿被动吸烟和趴着睡觉等。
- 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。
- 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。