公共卫生硕士(Master of Public Health,MPH)学位是当前国际社会公认的公共卫生领域的主流学位,我国MPH教育起步较晚,于2001年开始试办MPH研究生教育。近些年来频发的突发性公共卫生事件对MPH的培养提出了更高的要求,急需对MPH教育中的...公共卫生硕士(Master of Public Health,MPH)学位是当前国际社会公认的公共卫生领域的主流学位,我国MPH教育起步较晚,于2001年开始试办MPH研究生教育。近些年来频发的突发性公共卫生事件对MPH的培养提出了更高的要求,急需对MPH教育中的核心问题进行反思。针对现代医学教育中存在的问题,进行以“岗位胜任力”为核心的第3次全球医学教育变革,创建以“岗位胜任力”为导向的医学卫生人才培养模式,提高培养质量以适应社会需求是当前的重要任务。根据培养目标,明确MPH培养的核心能力,构建科学合理的课程体系,注重社会实践能力的培养,培养出一支高素质、创新应用型的高层次的复合型公共卫生事业从业队伍,从而满足我国经济建设及社会发展对不同从业背景、多种类型卫生人才的需求。展开更多
Continuous-wave radiation of 5W at 532 nm was produced with an Nd:YVO_(4)/KTP intracavity&equency-doubled laser end-pumped by a diode-laser-array at pump power of 17.2 W,giving optical conversion efRciency of 29.1...Continuous-wave radiation of 5W at 532 nm was produced with an Nd:YVO_(4)/KTP intracavity&equency-doubled laser end-pumped by a diode-laser-array at pump power of 17.2 W,giving optical conversion efRciency of 29.1%.The output power stability was measured to be better than 1.5%in short term operation.The pump-induced thermal lensing was also measured,showing good agreement with the performance of the laser.展开更多
Second harmonic generation conversion efficiencies of Nd:YCOB and Nd:GdCOB were measured,the effective nonlinear coefficient(de_(ff))for both crystals at different phase-matching angles were estimated by comparison wi...Second harmonic generation conversion efficiencies of Nd:YCOB and Nd:GdCOB were measured,the effective nonlinear coefficient(de_(ff))for both crystals at different phase-matching angles were estimated by comparison with a KTP crystal.The self-frequency doubling laser performance c£these crystals were theoretically calculated by using these rfeff values and slope efficiency of the fundamental wave and lasing threshold.The results coincide very well.展开更多
文摘公共卫生硕士(Master of Public Health,MPH)学位是当前国际社会公认的公共卫生领域的主流学位,我国MPH教育起步较晚,于2001年开始试办MPH研究生教育。近些年来频发的突发性公共卫生事件对MPH的培养提出了更高的要求,急需对MPH教育中的核心问题进行反思。针对现代医学教育中存在的问题,进行以“岗位胜任力”为核心的第3次全球医学教育变革,创建以“岗位胜任力”为导向的医学卫生人才培养模式,提高培养质量以适应社会需求是当前的重要任务。根据培养目标,明确MPH培养的核心能力,构建科学合理的课程体系,注重社会实践能力的培养,培养出一支高素质、创新应用型的高层次的复合型公共卫生事业从业队伍,从而满足我国经济建设及社会发展对不同从业背景、多种类型卫生人才的需求。
基金Supported by the National Advanced Materials Commit tee of the"863 Program"under Grant No.863-715-001-0030.
文摘Continuous-wave radiation of 5W at 532 nm was produced with an Nd:YVO_(4)/KTP intracavity&equency-doubled laser end-pumped by a diode-laser-array at pump power of 17.2 W,giving optical conversion efRciency of 29.1%.The output power stability was measured to be better than 1.5%in short term operation.The pump-induced thermal lensing was also measured,showing good agreement with the performance of the laser.
基金Supported by the National Natural Science Foundation of China under Grant No.68890235.
文摘Second harmonic generation conversion efficiencies of Nd:YCOB and Nd:GdCOB were measured,the effective nonlinear coefficient(de_(ff))for both crystals at different phase-matching angles were estimated by comparison with a KTP crystal.The self-frequency doubling laser performance c£these crystals were theoretically calculated by using these rfeff values and slope efficiency of the fundamental wave and lasing threshold.The results coincide very well.