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高含硫天然气三相分离器分离性能实验研究 被引量:1
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作者 李连春 王树涛 +7 位作者 王立满 叶海 古小红 汪沈阳 管峰 孔凡胜 郭富永 王咏梅 《化工机械》 2021年第4期492-496,共5页
通过应用旋流三相分离方法,以缩尺工艺样机为实验模型进行实验,通过实验测定发现,高含硫天然气液相分离效率在90%左右,固相分离效率在86%左右,并且随着入口流量的增大,分离效率呈增大趋势,气相出口检测到的颗粒数较少,说明流体经过三相... 通过应用旋流三相分离方法,以缩尺工艺样机为实验模型进行实验,通过实验测定发现,高含硫天然气液相分离效率在90%左右,固相分离效率在86%左右,并且随着入口流量的增大,分离效率呈增大趋势,气相出口检测到的颗粒数较少,说明流体经过三相分离器,可以脱除绝大部分粒径10μm以上的液固相颗粒,分离效果显著。 展开更多
关键词 三相分离 缩尺工艺样机 高含硫天然气 分离效率
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254SMo焊条电弧焊焊接及接头性能试验
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作者 秦作伟 张佩 +2 位作者 张嘉惠 郭富永 张建晓 《化工机械》 CAS 2022年第2期229-233,共5页
介绍了超级奥氏体不锈钢254SMo焊接试验材料及其方法,对焊接接头在焊态和固溶态下的力学性能、冲击韧性及耐腐蚀性能等进行了对比试验。结果表明:焊态、固溶态下的焊接接头外观、力学性能、硬度、金相组织及耐蚀性能等均符合相关标准要... 介绍了超级奥氏体不锈钢254SMo焊接试验材料及其方法,对焊接接头在焊态和固溶态下的力学性能、冲击韧性及耐腐蚀性能等进行了对比试验。结果表明:焊态、固溶态下的焊接接头外观、力学性能、硬度、金相组织及耐蚀性能等均符合相关标准要求;固溶态下的焊缝和热影响区的硬度较焊态下更低,耐点腐蚀和均匀腐蚀的腐蚀率更低。试验结果可为254SMo焊接接头的热处理提供依据。 展开更多
关键词 254SMo不锈钢 焊接接头 性能试验 固溶处理 焊条电弧焊
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Characterization of patients and its relationship with medical complaints 被引量:2
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作者 NI Xin TAI Jun +6 位作者 ZHAO Xiao-lan ZHAO Qiong-shu RAO Yuan-sheng HE Jie XU Jian-li guo fu-yong FAN Li-hua 《Chinese Medical Journal》 SCIE CAS CSCD 2012年第10期1790-1794,共5页
Background Patient characteristics may be an internal factor influencing patient complaints, but in China patient characterization is restricted to patient satisfaction surveys, and few studies have considered the rel... Background Patient characteristics may be an internal factor influencing patient complaints, but in China patient characterization is restricted to patient satisfaction surveys, and few studies have considered the relationship between patient characteristics and patient complaints. The aim of this research was to determine the reasons for complaints. Methods In this study, we analyzed the characteristics of hospitalized patients and explored their relationship with medical complaints. Results The significant factors were age (P=0.045), hospital cost (P=0.003), household nature (P 〈0,001), and education (P 〈0.001). The complaint rate decreased when the patients' age increased (regression coefficient, -0.606; OR, 0.545, and 95%C/, 0.301-0.987). The complaint rate increased with an increase in hospital cost (regression coefficient, 0.818; OR, 2.266; and 95%C/, 1.320-3.889). Patients from non-agricultural households had a higher complaint rate (regression coefficient, 1.051; OR, 2.861; and 95%C/, 1.611-5.082). Patients with higher education levels had lower complaint rates (regression coefficient, -0.944; OR, 0.389; and 95%C/, 0.234-0.647). Conclusion The survey confirms that older patients and patients with higher education levels had lower complaint rates, while non-agricultural population and patients with higher hospital expenses had higher complaint rates. 展开更多
关键词 medical complaints hospital management patient satisfaction
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