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柴油乳化液喷雾闪急沸腾与微爆现象的激光阴影试验研究(英文) 被引量:3
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作者 MEDHaT Elkelawy 张煜盛 +4 位作者 alm El-Din Hagar 余敬周 El Zahaby a M El Shenawy E a khalil a 《内燃机学报》 EI CAS CSCD 北大核心 2009年第4期306-313,共8页
在常压定容室内,应用ND:YAG激光阴影法、高分辨率CCD照相机和粒径分析软件,对不同含水量的柴油乳化液雾油滴的闪急沸腾与微爆现象以及油滴粒径分布进行了试验测量与变参数对比分析,探讨了在130℃温度条件下,乳化油含水量对乳化油喷雾液... 在常压定容室内,应用ND:YAG激光阴影法、高分辨率CCD照相机和粒径分析软件,对不同含水量的柴油乳化液雾油滴的闪急沸腾与微爆现象以及油滴粒径分布进行了试验测量与变参数对比分析,探讨了在130℃温度条件下,乳化油含水量对乳化油喷雾液滴闪急沸腾和微爆的影响,揭示了微爆效应在喷雾雾化和液滴碎化中的作用机理。试验结果表明,包覆于油中的水相颗粒受热闪急沸腾所形成的高压蒸气团冲破无水边界层是导致油滴发生微爆和进一步破碎分裂的首要原因;微爆现象随乳化油含水量的增高而趋强;喷雾索特平均直径(SMD)的细化率随乳化油含水量和喷雾贯穿距的增加而增大,且乳化油含水量对喷雾SMD细化率的影响程度也随喷雾贯穿距的增加更加显著。 展开更多
关键词 微爆 闪急沸腾 柴油乳化液 滴径测量 阴影照相
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与干扰素和利巴韦林治疗慢性丙型肝炎相关的克罗恩病
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作者 khalil a Lucidarme D +1 位作者 Desurmont P 雷小英 《世界核心医学期刊文摘(胃肠病学分册)》 2005年第8期20-20,共1页
Digestive side effects associated with interferon and ribavirin in the treatme nt of chronic hepatitis C seem to be non specific.So far, inflammatory bowel dis eases have only been rarely described in this context. We... Digestive side effects associated with interferon and ribavirin in the treatme nt of chronic hepatitis C seem to be non specific.So far, inflammatory bowel dis eases have only been rarely described in this context. We report two cases of Cr ohn’s disease which occurred a few months after inter- feron and ribavirin treatment for chronic hepatitis C. The first case was a 43 year old man treated for 7 months with a interferon and ribavirin combination f or chronic hepatitis C who experienced colitis related to Crohn’s disease, with the occurrence of articular and cutaneous manifestations. The second case was a 43 year old women treated for 8 months with a pegylated interferon and ribaviri n combination for chronic hepatitis C who developed Crohn’s disease with right ileo-colic topography and severe evolution requiring an ileo-coecal resection because of the failure of medical treatment. The alpha interferon used for its a ntiviral action against hepatitis C virus, has complex immunomodulationeffects w hich could reveal latent Crohn’s disease. 展开更多
关键词 慢性丙型肝炎 克罗恩病 治疗应用 炎性肠疾病 抗病毒 病型 免疫调节 恶性进展
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