食品工艺学实验教学的探索

分析了目前我校食品工艺学实验教学中的一些现状,并提出了今后在教学过程中的实践方案。着重要求学生在实验课中学会设计实验方案,掌握实验技能,从而提高学生分析问题和解决问题的能力。     

自动控制原理虚拟实验平台的设计开发

自动控制原理课程具有理论难度较大,教学内容相对抽象的特点,高职学生对于掌握本门课程具有一定的难度。因此开发自动控制原理虚拟实验平台对于课程的实践性教学环节的开展,对课程学习效果的提升都具有重要的作用。提出了自动控制原理虚拟实验平台建立的基本方案、分析了实验平台的使用以及在教学过程中的实践。     

化学课堂演示实验之我见

化学是一门以实验为基础的学科,而演示实验能以其生动的魅力和丰富的内涵,激化学生的学习热情,提升学生学习化学的兴趣,帮助学生理解化学概念和规律,培养学生观察、分析能力、收集和处理信息的能力。阐述了课堂演示实验在化学教学中的重要性,对如何充分发挥演示实验在课堂教学中的作用提出了思考。     

《数学广角》教学设计——义务教育实验教材小学四年级数学上册

《数学广角》是义务教育课程标准实验教科书人教版数学四年级第七册的教学内容,主要是通过烙饼问题、沏茶问题、卸货问题等日常生活中的一些简单事例,让学生合理安排时间,尝试从优化的角度在解决问题的多种方案中寻找最优方案,,初步体会运筹思想在实际生活中的应用以及对策论方法在解决问题中的运用,感受到数学在日常生活中的运用。     

“纳米纤维素复合凝胶材料制备及性能”实验课示范

"天然高分子材料综合实验"课程在高分子材料科学导论、功能高分子材料和仪器分析等前期课程基础上进行有机综合,对提高学生实验技能和创新能力有着重要的促进作用。以其中设立的纳米纤维素复合凝胶制备及其性能研究实验为例,围绕如何提高学生实验技能为目标,通过前期文献检索、实验方案确定、实验具体实施及数据收集和实验结果分析等环节进行介绍。该实验能够较为全面地应用高分子相关知识点,对调动学生自主能动性和提高学生发现问题、解决问题的能力有较大帮助。     

小组竞赛成绩纳入体育教学评价方案的效果研究

常规的体育教学评价方案不能引发学生学习体育课的积极性。本研究对体育教学评价方案进行改革,将小组比赛成绩作为考试成绩纳入到体育课的成绩核算中。通过一个学期的实验和实验前后对学生的调查显示,结合了"以赛代考"的评价方案对于提高学生与教师之间的相互评价、学生学习的积极性有很明显的作用。由于学生对比赛式考核的重视,在准备和参加比赛的过程中,不仅提高了学生的身体素质和体育技能,也促使学生充分发挥自身的创造潜能,对自己有了更正确的认识与评价,并提高了互相协作与沟通的能力,使学生得到了全面发展。研究显示学生认为,与旧有的教学评价方案相比,新的教学评价方案更合理。     

利用实验提升学生化学核心素养的实践与思考

化学学科特有的化学实验实践对化学核心素养的形成和发展具有无以替之的作用，实验能够提供给每个学生动手操作、相互配合的机会，不仅提高实验操作能力，还能激发学习兴趣。文章根据教学实践经验，对初中化学实验课程教学进行了总结和思考，探讨其在提升学生化学学科核心素养的作用，提出教师要利用好实验教学中的细节，通过课程教学潜移默化地影响学生。     

ICP-AES法测定茶叶及其浸泡液中的Cu、 Zn、 Fe、Mn、Pb等微量元素

用微波消解和沸水4次冲泡处理茶叶样品，采用ICP—AES法测定了池州4个茶叶产区茶叶样品与浸泡液中Cu、Zn、Fe、Mn、Pb等微量元素的含量，考察了有关数据，作了相关分析。实验精密度0．62％-1．76％，实验回收率95．1％～102．6％，结果良好。并采用类似方案处理国家茶树叶成份分析标准物质（GBW08513），进行了验证性实验，测定值在参考值范围内。结果表明，实验方案可靠，测定的数据可信，有关信息可以为当地茶叶种植和人们科学饮茶提供参考。     

轻化工程专业《染料化学》课程教学实践总结

通过对《染料化学》课程在轻化工程专业人才培养方案中的地位及其重要性的分析,精心整合该课程的教学内容和逻辑结构,将"结构决定性能"学科思想渗透到染料化学教学的各个章节中,使其内容逻辑性更清晰,同时利用实验实际操作来加强理论知识的掌握,充分调动学生学习的积极性,取得了较好的教学效果。     

印刷工程本科毕业设计问题及策略探讨

本科毕业设计是大学本科教学计划中的一个非常重要的教学实践环节,重在培养学生综合运用专业知识与基本技能的能力。在该环节中,学生要完成课题确认、资料检索、方案讨论、实验及实践等,最后以论文和答辩的形式结束。     

面向应用型人才培养的《食品分析与检测》实践教学改革与探索

针对应用型人才培养的目标,对《食品分析与检测》实践教学的教学大纲、教学内容、教学方法、考核办法进行了改革和探索。通过修订大纲、优化实验内容使实践内容更符合社会需求;建立了以学生为主体的教学方法,增加了实验课上学生的主动参与性;完善了实践教学考核制度,科学地评价学生的综合素质,取得了较好的效果。     

School-based smoking cessation programs for adolescents: what predicts attendance?

The present study examined contextual and individual predictors of attendance in a 10-session school-based teen smoking cessation program. Participants were 349 students at 29 Illinois high schools. Predictor variables included demographics, smoking history, psychosocial variables, and social environment variables. School-level characteristics of interest included proportion of low-income students, group size, and program timing. Overall attendance was predicted by higher motivation and less stress at baseline. Students also were more likely to attend if they had already tried to quit, were more dependent on nicotine, and had more positive smoking expectancies. Percentage of low-income students and program timing also predicted program attendance; students were more likely to attend the program at schools with lower percentages of low-income students and where the program was offered during the school day. We also examined predictors of attendance before and after quit week (week 5). Early in the program, only the school-level variables (program timing and percentage of low-income students) predicted attendance. After quit week, the school variables also were important, and baseline motivation and perceived stress also predicted attendance at these sessions. Results highlight the importance of individual characteristics in determining program participation, as well as the importance of considering school context and programmatic issues when planning school-based smoking cessation programs.     

基于社会需求从观念上探讨包装机械实验课教学改革的基本要素

包装机械是包装工程专业一门重要的必修课程。其实验教学也是锻炼学生专业技能和拓展科技素质的重要途径。如何让学生在有限时间与有限资源条件下,掌握包装机械设计原理与设计技法,提高学生综合素质,本文基于社会需求角度从领导、教师与学生三者观念的层面上探讨包装机械专业实验课教学改革的基本要素。     

Dairy Cattle Breeding Simulation Program: A simulation program to teach animal breeding principles and practices

A dairy cattle breeding simulation program (DCBSP v.4.9) has been developed to teach undergraduate and graduate students animal breeding principles associated with selection for multiple traits in dairy cattle. The current version of the program was written in FORTRAN 90, and a web-based interface was developed for the students to interact with the program in the teaching environment. This software simulates a population of dairy cattle herds and artificial insemination bulls through several generations by integrating students’ decisions about mating, culling, and selection of new heifers and bulls based on a multivariate animal mixed model evaluation and marker-assisted selection. All simulation parameters (e.g., number of herds and cows per herd, variance components, effect of genetic markers) can be defined by the administrator of the program in relation to the animal breeding course. During each running period, the program simulates the composition of each herd during a virtual year, generating new calves and new productive records and performing a genetic evaluation for all productive traits. A herd-specific productive summary of all demographic, productive, and genetic data is provided to the students at the end of each simulation period. After several running periods, the genetic trend can be evaluated, providing a realistic experience for the development of animal breeding skills that will be relevant to students with a basic knowledge of animal breeding. Earlier versions of this program have been used at several universities where it has proven to be a very useful teaching tool to illustrate the theoretical basis of animal breeding in livestock.     

应用技术人才培养中科研促进实验教学的探索

目的为了提升我国应用技术人才培养质量,本文探讨了将科研融入实验教学的方法,并将其贯彻到学生培养过程之中。方法以食品工程原理实验为切入点,从实验内容、实验教学方法和手段,以及实验考核体系等三个方面探讨科研与实验教学相结合在应用技术人才培养中的应用,以建立一种应用技术院校中科研反哺实验的教学模式。结果通过科研融入到实验教学的方法教会了学生学习新技术的方法,增强了其技术创新的能力,全面提高了学生的综合素质和能力。结论本方法可为学生的终身发展打下坚实的基础,培养出集科学研究方法和工程实践能力于一身的高水平应用技术人才。     

Artificial insemination of cattle: Description and assessment of a training program for veterinary students

The objective was to assess the effectiveness of a comprehensive artificial insemination (AI) training program designed to facilitate an understanding of the breadth of the AI process, including AI skill acquisition, for preclinical veterinary students. Participants (n = 303) were enrolled at the Ross University School of Veterinary Medicine (Basseterre, St. Kitts, West Indies). The 2-d AI training program (n = 20) consisted of ～8 h of instruction and ～8 h of demonstration and hands-on activity. Oral presentations were used to deliver educational content, followed by video clips, discussion, demonstrations, and hands-on activity. Reproductive anatomy and physiology of the estrous cycle, AI sire acquisition, collection, evaluation, cryopreservation and distribution of conventional and sexed semen, storage and handling of frozen semen, use of synchronization protocols, accurate and efficient detection of estrus, and correct AI technique were discussed. True or false pre- and posttests were used to determine the level of knowledge gained by participants during the AI training program. Preclinical veterinary students were required to complete a semen handling and AI technique practical exam to achieve a certificate of completion. Participant program evaluations conducted at the conclusion of the program indicated that veterinary students found the content, structure, discussion, demonstrations, and hands-on activities to be appropriate and useful. No negative comments were offered about the training program, instructor, or activity coinstructors. The AI training program increased the posttest knowledge scores of veterinary students by 22 percentage points. Only 1 participant was unable to achieve a certificate of completion due to failure of the semen handling and AI technique practical exam. These results provide evidence that the AI training program was relevant and effective and that it offered information and skill acquisition with immediate field application.     

开放性食品科研实验室管理改革的探讨

实施开放性实验教学对于培养具有创新素质的应用型人才具有重要的现实意义,开放性食品科研实验是一种以学生为主体的全新开放型的实验教学模式,作为食品传统实验教学的有效补充,有利于激发学生的积极性,培养学生的创新意识,实践证明：食品实验教学改革,有利于提高学生动手能力和创新能力。     

学生奶奶源为何要升级

<正> 为落实温家宝总理等领导同志最近对国家“学生饮用奶计划”的重要批示精神,积极稳妥实施国家“学生饮用奶计划”,“学生饮用奶计划”部际协调小组办公室前不久已正式启动“学生奶奶源升级计划”。 自2000年11月推出国家“学生饮用奶计划”以来,在各部门、企业和社会各界的关心和支持下,取得了重要进展。到今年3月,已经在全国28个省会和重点城市的4500所中小学校供奶,日供量近200万份。     

Poststructuralist analysis of reading and writing through/with technology

This paper draws upon poststructuralist theory in its examination of issues of reading and writing through/with technology. A research study which examines high-school students' productions of stories in a multimedia environment and their responses to these activities is described. Each student has an image of him-herself including: director of a TV show, programmer creating a video game program, designer of a program about the space shuttle, teacher creating a story for students, and camera person recording an interactive shopping sequence. An analysis of student's productions and responses is undertaken. The tension between 'informational' and 'expressive' writing objectives is explored through these students perceptions. This discussion includes issues of intertexuality and the re-production of dominant and alternative discourses from a poststructuralist stance.