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  • 网络搅拌摩擦焊(Friction Stir Welding);摩擦搅拌焊接;性工作者

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搅拌摩擦焊(Friction Stir Welding)

搅拌摩擦焊FSW) 一、原理 搅拌摩擦焊 (Friction Stir Welding) 是基于摩擦焊接技术一种固相焊接技术, 1991 年 由英国 …

摩擦搅拌焊接

摩擦搅拌焊接FSW),自从1991年被申请专利以来,已经广泛应用于铝合金的焊接。航空工业最先开始采用这些技术,现在 …

性工作者

女性性性工作者(FSW) 商业性女性女性性服务者 女性性服务工作者 暗娼/女性性工作者 街头女性性工作者 娱乐场所女性性工作 …

暗娼(female sex workers)

近年来我国暗娼(FSW)人群艾滋病病毒(HIV)感染率呈逐年增加趋势,个别地区暗娼人群HIV感染率已达6.7%[1]。因此,有效控制经 …

搅拌摩擦焊接

搅拌摩擦焊接FSW)作为一种先进的固态连接技术,与其他焊接方法相比,具有...金相分析技术 金相技术是材料科学与工程 …

联邦技术移民(Federal Skilled Worker)

1. 联邦技术移民 FSW (Federal Skilled Worker),又分以下两类:A具有29类职业的工作经验一年以上满足基本申请条件(不必加 …

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Objective To understand the acceptability of the female condom among female sex workers (FSWs) and its influencing factors. 目的了解女用安全套在女性性工作者(FSW)中的可接受性及其影响因素。
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Grain refining was the main reason for the improvement of the FSW joint's strength and toughness. 细晶强化是搅拌摩擦焊接头强度与韧性提高的主要原因。
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Objective: To understand the demographic character and condom use of female sex workers (FSW) in Furong district, Changsha City. 目的:了解长沙市芙蓉区星级宾馆女性性工作者(FSW)人口学特征和安全套使用情况及其影响因素。
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Continuity equation, momentum equation and energy equation are used to describe the plastic material flow in FSW process. 用连续性方程、动量守恒方程和能量守恒方程描述搅拌摩擦焊过程中材料的塑性流动状态。
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If you are looking for insightful tips and helpful advice from the veterans, FSW is for you. 如果你想从自由职业老手那里寻找更有见地的提示和建议,FSW是你专属的!
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FSW is a new high effective, solid-phase welding technics, which has great future in welding of Al-alloy component. 搅拌摩擦焊接技术是一项高效、固相焊接新技术,在铝合金结构焊接方面具有广阔的应用前景。
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In order to improve understanding of friction stir welding mechanism, it's necessary to research the plastic material flow in FSW. 为了对搅拌摩擦焊接机理有进一步的理解,需要对FSW过程中塑性材料的流体流动进行深入研究。
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Conclusions The situation of AIDS knowledge awareness and condom usage in FSW has been improved significantly year by year. 结论示范区暗娼人群艾滋病知识知晓和安全套使用情况逐年明显改善。
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Method Qualitative survey method was adopted to evaluate the acceptability of female condom among FSWs. 方法采用定性调查方法评估FSW人群对女用安全套的可接受性。
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Fluid dynamic theory is used to develop a mathematical model for material flow in FSW process. 应用流体动力学理论构建了搅拌摩擦焊过程的塑性材料流动模型。
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Using the finite element analysis software the temperature fields is analyzed in FSW process. 对搅拌摩擦焊的温度场进行了有限元分析。
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The results show the welded joint of 7075 aluminum alloy welded by FSW has high tensile strength. 结果表明:采用搅拌摩擦焊焊接7075铝合金时,焊接接头具有较好抗拉性能。
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Methods FSW sentinel surveillance data in China CARES sites from 2006 to 2007 were collected and analyzed by quantitative analysis. 方法收集2006和2007年示范区范围内的暗娼监测数据进行定量分析;
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Design, organize and conduct outreach and health promotional activities for the FSW program; 设计,组织并开展女性性工作者项目相关各类外展以及推广活动;
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Application Research of FSW Welding Process for Joining Propellant Tanks in New Generation Launch Vehicle 新一代运载贮箱搅拌摩擦焊应用研究
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Investigation of acting force of stirring pin in FSW and its effect FSW中搅拌针作用力及其影响的研究
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Research on application of FSW in aeronautical repair of battleplanes 搅拌摩擦焊技术在军用飞机航空修理中的应用
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Research Progress in Seam Structure and Mechanical Performance of FSW 搅拌摩擦焊接头组织及力学性能的研究进展
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Research Development of Application of FSW in Automotive Manufacturing 搅拌摩擦焊接技术在汽车制造中的应用研究
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Properties and microstructure analysis of the FSW joints of 6063 aluminum alloy 6063铝合金搅拌摩擦焊接头性能及组织分析