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医学基础化学课程“模块化–主题”教学策略的构建与实践 被引量:5
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作者 谈春霞 张义福 +2 位作者 戴红霞 施小宁 许丽丽 《大学化学》 CAS 2023年第3期197-203,共7页
基础化学是医学生最早接触的一门专业基础课,大多数学生在学习时仍然认为基础化学仅仅是高中化学课程内容的延伸和拓展,没有真正建立起基础化学课程与医学各专业课程的联系,因此对所学的内容兴趣不高,缺乏学习的主动性。本文提出了“模... 基础化学是医学生最早接触的一门专业基础课,大多数学生在学习时仍然认为基础化学仅仅是高中化学课程内容的延伸和拓展,没有真正建立起基础化学课程与医学各专业课程的联系,因此对所学的内容兴趣不高,缺乏学习的主动性。本文提出了“模块化–主题”教学策略,并从教学内容、教学模式、教学反馈、教学评价等四个方面介绍“模块化–主题”教学策略的构建与实践经验。教学内容划分为溶液、胶体、热力学及动力学、电化学、物质结构与作用力、配位化合物和紫外光谱分析等七个教学模块。每个模块依据知识点提出若干个实用的“主题”,并且结合不同的“主题”教学内容采用不同的教学模式PBL (Problem-based learning)、TBL (Team-based learning)或CBL(Case-based learning)。设计教学调查问卷跟踪并反馈学生的学习状态和学习进度。从理解、应用、延展和联系四个教学评价指标评估学生的学习效果和掌握程度,并且为具有探索和创新能力的学生提供自我进一步学习的思路和方向。“模块化–主题”教学策略加深了基础化学课程和医学专业课程的衔接与融合,使基础化学教学能够适应现代医学科学发展,更好地为医学教育服务。 展开更多
关键词 临床医学 基础化学 模块化 主题 教学策略
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Analysis of adversity quotient of nursing students in Macao:A crosssection and correlation study 被引量:19
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作者 Xin Wang Ming Liu +1 位作者 Stephen Tee hongxia dai 《International Journal of Nursing Sciences》 CSCD 2021年第2期204-209,I0005,共7页
Objectives: To investigate the adversity quotient (AQ) of Macao undergraduate nursing students and analyse its influencing factors.Methods:A cross-section design was used,and a convenience sample of nursing students(n... Objectives: To investigate the adversity quotient (AQ) of Macao undergraduate nursing students and analyse its influencing factors.Methods:A cross-section design was used,and a convenience sample of nursing students(n=158 valid)was selected from a tertiary institute in Macao.In addition to demographic questions,the Chinese versions of the Adversity Quotient Scale,the Emotional Intelligence(EI)Scale,the Simplified Coping Style Questionnaire and the Parenting Styles Scale were used to assess the students'characteristics.Results:The average AQ score of the students was 116.72±11.39.AQ scores were negatively correlated with coping-negative,and maternal style(excessive interference,excessive protection)(r=-0.332,P<0.001;r=-0.167,P=0.036).Coping-negative entered the regression equation(F=19.154,P<0.001).The female nursing students had higher scores in ownership dimension of AQ than their male counterparts(31.98±3.26 vs.29.21±3.08,t=-4.442,P<0.001).Conclusions:The average AQ scores of Macao undergraduate nursing students were moderate.The female nursing students are more likely to attribute the cause of adversity to themselves,and specific psychosocial and cultural issues may be at play.There is a necessity for Macao nursing students to improve their ability to overcome setbacks.Special attention should be paid to the cultivation of students'positive coping styles. 展开更多
关键词 Baccalaureate nursing education Emotional intelligence MACAO Nursing students Psychological adaptation Surveys and questionnaires
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Controllable and switchable chiral near-fields in symmetric graphene metasurfaces
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作者 Li Hu hongxia dai +1 位作者 Fayin Cheng Yuxia Tang 《Chinese Physics B》 SCIE EI CAS CSCD 2021年第12期563-570,共8页
A strong chiral near-field plays significant roles in the detection,separation and sensing of chiral molecules.In this paper,a simple and symmetric metasurface is proposed to generate strong chiral near-fields with bo... A strong chiral near-field plays significant roles in the detection,separation and sensing of chiral molecules.In this paper,a simple and symmetric metasurface is proposed to generate strong chiral near-fields with both circularly polarized light and linearly polarized light illuminations in the mid-infrared region.Owing to the near-field interaction between plasmonic resonant modes of two nanosheets excited by circularly polarized light,there is a strong single-handed chiral near-field in the gap between the two graphene nanosheets and the maximum enhancement of the optical chirality could reach two orders of magnitude.As expected,the intensity and the response wavelength of the chiral near-fields could be controlled by the Fermi level and geometrical parameters of the graphene nanosheets,as well as the permittivity of the substrate.Meanwhile,based on the interaction between the incident field and scattered field,the one-handed chiral nearfield in the gap also could be generated by the linearly polarized light excitation.For the two cases,the handedness of the chiral near-field could be switched by the polarized direction of the incident light.These results have potential opportunities for applications in molecular detection and sensing. 展开更多
关键词 plasmonic resonance chiral near-field GRAPHENE metasurface
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