职业外照射剂量，采用TLD剂量计测得。
目的观察外照射剂量受限的上段食管癌体外照射辅助腔内放疗的近期疗效。
Objective To observe the short-term response of adjuvant intracavitary brachytherapy plus external beam radiotherapy in patients with dose-limited upper esophageal carcinoma.
采用外照射与腔内近距离放射治疗可以降低外照射剂量，减轻部分放射并发症。
The combination of external beam irradiation with brachytherapy may decrease the dose of external irradiation, so the late radiation complication may be reduced.
本文对燃料破损可能导致的气载放射性浓度、场所内、外照射剂量率进行了估算，同时对通风系统的净化方式、净化时间进行了评估。
This paper evaluates the airborne radioactive concentration, dose-rate of internal and external exposure as well as purification mode and operating time of ventilation systems in reactor building.
本文对燃料破损可能导致的气载放射性浓度、场所内、外照射剂量率进行了估算，同时对通风系统的净化方式、净化时间进行了评估。
This paper evaluates the airborne radioactive concentration, dose-rate of internal and external exposure as well as purification mode and operating time of ven...
目的观察鼻咽癌外照射联合高剂量率腔内后装治疗的近期疗效和反应。
ObjectiveTo investigate short term effect of nasopharyngeal carcinoma treated by combined external irradiation and intracavitary brachytherapy of the high dose rate.
其次是鼻粘连（33/ 131） ，选入的因素有鼻咽腔外照射总剂量、鼻咽腔内照射、药物性鼻炎；
The second was nasal synechia(33/131), the chosen factors were total dose of external irradiation, intracavitary irradiation and medicamentous rhinitis.
辐射事故照射，除大剂量急性照射情况外，更多的还有受照延续时间不等、照射水平不一的多次受照情况，甚至尚有数天内连续受照的。
Besides acute exposure of large dose, there are repeated exposures mainly in which exposure duration is unequal and dose levels heterogeneous, even exposure may continue for a couple of days.
目的：初步评价超分割外照射加立体定向适形放射剂量治疗局部复发鼻咽癌的临床疗效及毒副反应。
OBJECTIVE:To evaluate the clinical value of hyperfractionated external irradiation followed by 3D conformal radiation therapy boost to recurrent NPC after primary radiotherapy.
目的：了解职业性低剂量外照射对医用X射线工作者的染色体畸变的影响。
Objective: To study the chromosome aberration effect of low-dose occupational radiation exposure in medical X-ray workers.
结论长期小剂量外照射可引起染色体畸变和微核检出率升高。
Conclusions Rises of chromosome aberration and micronuclei frequency are caused by lowdose and long…
结论长期小剂量外照射可引起染色体畸变和微核检出率升高。
Conclusions Rises of chromosome aberration and micronuclei frequency are caused by lowdose and long…
应用推荐