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一种用于管道外照法的γ射线探伤仪
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作者 刘兴亚 徐立勋 《无损检测》 1999年第8期362-363,共2页
介绍一种管道γ射线探伤外照法专用程控装置的结构、工作原理及应用情况.
关键词 γ射线探伤仪 管道 外照法
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Clinical Report on Californium-252 Neutron Intraluminal Brachytherapy Combined with External Irradiation for Cervical Carcinoma Treatment
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作者 Huanyu Zhao Keming Wang +2 位作者 Jian Sun Xin Geng Weiming Zhang 《Chinese Journal of Clinical Oncology》 CSCD 2006年第5期337-342,共6页
OBJECTIVE To observe the curative effects and complications of californium-252 (^252Cf) neutron intraluminal brachytherapy (IBT) combined with external irradiation (El) for treatment of cervical carcinoma.METHOD... OBJECTIVE To observe the curative effects and complications of californium-252 (^252Cf) neutron intraluminal brachytherapy (IBT) combined with external irradiation (El) for treatment of cervical carcinoma.METHODS From December 2000 to December 2004, 128 cases of cer vical carcinoma staged into IIA-IIIB according to the International Federation of Gynecology and Obstetrics (FIGO) standards were treated with ^252Cf neutron IBT using 8-10 Gy per fraction, once a week. The total dose at reference A point was 36-40 Gy in 4-5 fractions. From the second day after ^252Cf neutron IBT treatment, the whole pelvic cavity was treated with ^60Co y-ray El, applying 2 Gy per fraction, 4 times per week. After 20-25Gy of El, the center of the whole pelvic field was blocked with 4 cm of lead in width. The total dose of El was 45-50 Gy.RESULTS The short-term therapeutic effects were CR 95.3% and PR 4.7%. The 3 and 5-year local control rates were 93.5% and 87.9%. The overall 3-year survival rate was 87.5% and for Stages Ⅱ and Ⅲ , 90.9% and 81.5% respectively; the overall 5-year survival rate was 70% and for Stages II and III, 76.2% and 61% respectively. The rate of radiation complications was 4.7% for radiation cystitis, 7.8% for radiation proctitis, 6.3% for vagina contracture and adhesion and 5.5% for protracted radiation proctitis.CONCLUSION An combination of ^252Cf neutron IBT with El for treatment of cervical carcinoma can be well-tolerated by cervical carcinoma patients. The rate of local tumor control is high and radiation complications are few. 展开更多
关键词 califomium-252 neutron BRACHYTHERAPY RADIOTHERAPY cervical carcinoma.
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钛铸件法兰X射线探伤有效长度的公式推导与划线方法
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作者 辛天宁 马小怀 张延生 《中国钛业》 2012年第3期13-15,共3页
为满足钛铸件法兰根部100%X射线检测需要,本文借鉴压力容器环焊缝的检测方法,通过利用有关射线透照的几何关系公式,推导出了X射线外照法检测法兰根部时内外有效长度的计算方法,并对法兰根部内外壁进行了划线。试验结果表明:该方法简便可... 为满足钛铸件法兰根部100%X射线检测需要,本文借鉴压力容器环焊缝的检测方法,通过利用有关射线透照的几何关系公式,推导出了X射线外照法检测法兰根部时内外有效长度的计算方法,并对法兰根部内外壁进行了划线。试验结果表明:该方法简便可行,准确度较高,能达到良好的检测效果。 展开更多
关键词 钛铸件 有效长度 X射线外照法
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Comparative observation of therapeutic effects of acupuncture combined with infrared irradiation and western medicine on acute gouty arthritis 被引量:3
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作者 周蕾 徐群飞 章五四 《World Journal of Acupuncture-Moxibustion》 2012年第1期30-34,共5页
Objective To compare the efficacy difference in treatment of acute gouty arthritis between acupuncture combined with infrared irradiation and Indomethachin, as well as to observe the impacts on liver function. Methods... Objective To compare the efficacy difference in treatment of acute gouty arthritis between acupuncture combined with infrared irradiation and Indomethachin, as well as to observe the impacts on liver function. Methods One hundred and sixty cases of gout were randomized into an acupuncture group (80 cases) and an Indomethachin group (80 cases). In the acupuncture group, acupuncture was applied to Zusanli(足三里 ST 36), SanyTnjiao (三阴交 SP 6), Quchi (曲池LI 11), Xuehai (血海 SP 10), Yanglingquan (阳陵泉 GB 34) and Ashi points (阿是穴). Additionally, infrared irradiation was used in the local area. The treatment was given once daily. In the Indomethachin group, Indomethachin was taken orally, 25 mg each time, three times per day. The treatment lasted for 5 days in either group. Separately, before and after treatment, pain severity and the levels of blood uric acid (BUA), erythrocyte sedimentation rate (ESR), alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were detected. Additionally, the efficacy and the impacts on liver function were assessed. Results The cured rate was 52.5% (42/80) in the acupuncture group, which was superior to 22.5% (18/80) in the Indomethachin group (P〈0.01). In the acupuncture group, the analgesic efficacy was better than that in the Indomethachin group (P〈0.01) and the effect on reducing BUA and ERS levels was same as that in the Indomethachin group (all P〉0.05). After treatment, ALT and AST levels had no changes in the acupuncture group, but they increased apparently in the Indomethachin group (all P〈0.01). Conclusion Acupuncture combined with infrared irradiation achieves a superior efficacy on acute gouty arthritis as compared with oral medication of Indomethachin and the therapy provides a significant effect on analgesia and does not bring the damage of liver function. 展开更多
关键词 gouty arthritis acupuncture therapy infrared radiation acute disease comparative study
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