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医学是实践性很强的科学,培养和开发学生的智能是现代医学教育的主要任务.几年来,我校在加强物理教学方法研究和实践的过程中,特别注重了与护理学密切相关的物理原理及其在医学护理工作中应用方面的内容,在物理实验教学过程中进行了有机的结合.1物理实验教学改革内... 相似文献
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高等医药院校的物理实验与医学相结合是加强医学生的基本技能训练方面的一个较好途径,也是我们物理实验教学改革的一个重要组成部分。我们自行设计、并给89级、90级、91级、92级本科所有专业的学生开了紧密结合医学的新实验——“人体阻抗特性的研究”。它既是物理实验的基本内容,又对学生了解人体阻抗特性的本质有很大帮助,并且该实验使物理知识和临床医学、医学研究紧密地结合起来了。为学生后继医学课程的学习和医学应用打下一定的理论和实践基础。下面笔者就该实验的目的、原理、内容、方法及其教学实践阐述几个问题。 相似文献
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物理学是建立在实验基础上的学科,实验教学是初中物理教学中极其重要的环节,对加深学生对物理规律的理解,培养学生的思维和动手能力具有重要的意义.信息技术与物理实验教学相结合,可以激发学生学习物理的兴趣,降低物理实验教学的难度,提高实验教学的效率,实现初中物理实验课的有效性教学. 相似文献
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具有三种颜色的白癜风皮肤的荧光光谱 总被引:5,自引:0,他引:5
将荧光光谱方法应用于具有三种颜色的白癜风皮肤特性的研究,在对荧光测量以及皮肤组织病理检查的基础上,建立了三色白癜风皮肤的光学模型,分析了皮肤黑色素的含量与分布,并进行了蒙特卡罗计算,其结果与实测结果基本一致。研究表明:具有三种颜色的白癜风皮肤可作为一个较好的皮肤黑色素含量与分布的模型;荧光光谱法可以探测到皮肤较深层(真皮层)的黑色素分布或其他组织光学特性;所建立的白癜风皮肤的光学模型及建模方法,所采用的光谱比率法等可以在皮肤光学的其他研究中应用。 相似文献
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Zhang Xun Chen Weibin Zhang Hongjie Liang Huanhui Luo Xizhang 《International Journal of Infrared and Millimeter Waves》2003,24(11):1955-1965
The research development and the latest results of far-infrared laser in the last few years were introduced from the following aspects: far-infrared laser, study of basic science, study of astrophysics, communication and military applications, engineering applications, study of medical biology and other applications. 相似文献
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The unsteady MHD stagnation-point flow and heat transfer over a shrinking sheet was carried out. This study also was conducted in the existence of suction and viscous dissipation. In order to convert the governing partial differential equations to an ordinary differential equation, an appropriate similarity transformation was applied in this study. Then, the resulting equations are worked out by Bvp4c solver in Matlab. The impacts of the parameters involved in this study towards skin friction, Nusselt number, velocity and temperature profile are showed graphically and thoroughly discussed. Remarkably, there were dual solutions present in this study which made us continue deeper in performing the stability analysis. As expected, our study proves that the solution is stable only in the first one while not in the second solution. 相似文献
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做实验的主人--写给学习物理实验的学生 总被引:3,自引:1,他引:2
在学习实验时应注意学习探索,本文从实验课上学什么,如何在探索中学习,如何进行误差分析,实验结果如何评价,怎样认识验证性实验,怎样理解实验的物理思想,怎样在实验过程中提出问题等几方面讨论了学生怎样做实验的主人. 相似文献
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《Journal of voice》2020,34(2):302.e21-302.e28
ObjectiveThe main purpose of this study is to investigate the effectiveness of a 12-week holistic vocal training program designed for theatre students.MethodsThe participants included 10 female and 8 male students, who were third- and fourth-year students of a state conservatory theatre department. Participants randomly selected from among those who were between the ages of 18–30 years, had no history of voice disorders, and had no systemic and neurological disorders. The study group (n = 9) was involved in the vocal training program. The control group (n = 9) has not received any training. During the program, 12 sessions of lectures and voice exercises were given to all participants of the study group for a period of 12 weeks. The sessions were planned to last for a duration of 30–45 minutes. Participants’ knowledge of vocal health was assessed using a questionnaire that was developed in the present study and a multidimensional voice assessment protocol including acoustic analyses and audio-perceptual evaluation has been applied.ResultsWithin-group comparisons indicated a significant increase in the study group participants’ knowledge of vocal hygiene after training (P = 0.011). Similarly, the study group outperformed the control group in the vocal mechanism knowledge (P = 0.027). Multidimensional Voice Profile findings revealed that vocal qualities of the control group deteriorated, whereas no alterations were found in the study group. Audio-perceptual analysis conducted through the Consensus Auditory-Perceptual Evaluation of Voice did not introduce significant changes in the control group in overall severity and roughness parameters, these values were found significantly improved for the study group.ConclusionIt can be concluded that the Holistic Vocal Training Program designed in the present study is effective for preserving theatre students’ vocal health and voice quality. It is important for future studies to search the long-term effects. 相似文献
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采用常规宝石学研究方法和红外光谱技术对助熔剂法合成祖母绿、哥伦比亚祖母绿、巴西祖母绿和水热法合成祖母绿样品进行了研究.结果表明,不同成因类型的祖母绿红外吸收光谱具有明显的区别,根据祖母绿中是否含水以及水的赋存状态以及氯的吸收峰,可为准确鉴别祖母绿的成因提供重要依据. 相似文献
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拉曼光谱在中国药典2010版第一次被收录于“附录XIX L拉曼光谱法指导原则”中,但该原则对拉曼多组分定量分析的方法学验证未作论述,对多组分复杂体系中采用拉曼数学模型定量分析时的方法学验证进行独创性的探索和研究,分别从仪器性能测试、线性、定量限、准确度等方面进行方法学验证研究;另外由于拉曼光谱定量数学模型样品为复杂成分样品,无须像传统方法提供空白样品和进行破坏实验等专属性实验验证。通过研究探讨,提出了拉曼多组分定量分析的方法学验证内容,为方法学验证的完善和标准的制定提供了基础和依据。 相似文献
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光谱法在分子间非共价相互作用中的应用及进展 总被引:5,自引:3,他引:2
对光谱法在分子间非共价相互作用中的应用作了较详细的评述。重点介绍了紫外、荧光、圆二色、红外、激光拉曼、共振散射等方法在分子间相互作用研究中的应用及进展,总结了这些方法的优缺点。紫外-可见吸收光谱简便、快速,荧光光谱法可获得分子间作用的结合常数、结合位点数及作用方式等信息,圆二色谱法是测定作用前后生物大分子构象变化的有效方法,红外光谱法可提供蛋白质二级结构及构象变化的谱学信息,拉曼光谱法是研究溶液中生物大分子构象变化的有效技术,表面等离子共振(SPR)技术能在保持生物分子天然活性的条件下实时检测分子间的相互作用。 相似文献