Teaching Status and Teaching Reform Ideas of Physical Chemistry Experiments for Food Quality and Safety Major

Physical chemistry experiments are an important branch of chemical experiments.In view of problems and shortcomings in physical chemistry experiment teaching of food quality and safety major in Chengdu University,the teaching methods of physical chemistry experiment course of food quality and safety major were explored and practiced,aiming to arouse students enthusiasm for experiments and cultivate their ability of independent learning,comprehensive thinking and independent problem solving.

Computer Management of Quantitative Analysis Chemistry Experiment

The application of computer in the quantitative analysis chemistry experiment is a chemistry experiment teaching applications software, developed by Visual Basic （6.0）, based on the content of quantitative analysis chemistry experiment of chemistry major in higher institute. This software has the function of the automatic processing the experimental data, the automatic generation of test report copies, and the automatic evaluation of students＇ experimental results, which solve the reliability, objectivity and accuracy problems of the students＇ experiment data processing and evaluation, and avoid interference with human factors. The software has the characteristic of the easy installation, the easy operation, the strong practicability, pertinence, the systematicness and the running stability, so it provides a platform in the quantitative analysis chemistry experiment for the students＇ assessment system of automatic processing, and it has a high popularization value. The project＇s technical route design is reasonable, the research method is correct, and the experimental data processing results are reliable, which has reached the leading domestic level in the quantitative analysis chemistry experiment teaching field of computer data processing. And this project has been through the achievements appraisal of Gansu Provincial Sci. ＆ Tech. Department.

Micro-polymer Chemistry Experiment Teaching Research

For nearly thirty years, there has been made great progress in micro-polymer chemistry experiment teaching which has these characteristics that using less reagents, less pollution and more portable in comparison with the conventional experiment. In China, Zhou Ninghuai and others began to go on micro-scale experiment research firstly and Professor Li Qingshan who brought this innovation to polymer organic synthesis experiment has done a lot of works in micro-polymer chemistry experiment teaching. To carry out the study of micro-polymer chemistry experiments not only accords with teaching methods and reform, but also conforms to the trend of the times of green chemistry. So the research and application of micro-polymer chemistry experiment have broad prospects.

Thermal perception method of virtual chemistry experiments

Background With the aim of addressing the difficulty in identifying temperatures in virtual chemistry experiments,we propose a temperature-sensing simulation method of virtual chemistry experiments.Methods We construct a virtual chemistry experiment temperature simulation platform,based on which a wearable temperature generation device is developed.The typical middle school virtual experiments of concentrated sulfuric acid dilution and ammonium nitrate dissolution are conducted to verify the actual effect of the device.Results The platform is capable to indicate near real-world experimental situations.The performance of the device not only meets the temperature sensing characteristics of human skin,but also matches the temperature change of virtual chemistry experiments in real-time.Conclusions It is demonstrated that this temperature-sensing simulation method can represent exothermic or endothermic chemistry experiments,which is beneficial for students to gain understanding of the principles of thermal energy transformation in chemical reactions,thus avoiding the danger that may be posed in the course of traditional teaching of chemistry experiments effectively.Although this method does not have a convenient enough operation for users,the immersion of virtual chemical experiments can be enhanced.

Architectural Teaching and Design Computing： A Didactic Experience in a Brazilian Architecture Course

In the last years, architectural practice has been confronted with a paradigm shift towards the application of digital methods in design activities. In this regard, it is a pedagogic challenge to provide a suitable computational background for architectural students, to improve their ability to apply algorithmic-parametric logic, as well as fabrication and prototyping resources to design problem solving. This challenge is even stronger when considering less favored social and technological contexts, such as in Brazil, for example. In this scenario, this article presents and discusses the procedures and the results from a didactic experience carried out in a design computing-oriented discipline, inserted in the curriculum of a Brazilian architecture course. Hence, this paper shares some design computing teaching experiences and presents some results on computational methods and creative approaches, with a view to contribute to a better understanding about the relations between logical thinking, mathematics and architectural design processes.

Experimental Analysis on the Development of Cognitive Processes in Childhood Through Body Experience

This study aims at comparing the effect of an innovative educational approach,based on the continuous relationship between mind and body,to traditional methodologies;more in particular,it focuses on the cognitive processes of language and memory in childhood.Previous studies showed that the Embodiment Theory of Conceptual Representations considers the extent to which the concepts are embodied,i.e.,the way their conceptual features are represented in sensory and motor brain areas in an experience-dependent way.Similarly,the Motor Theory of Language suggests considering phonetic gestures,made by the speaker to produce them as language perception objects,reproduced in the brain as real invariant motor commands.This longitudinal research analyzed the impact of a museum-based education on the memory and language process of children aged 3-6 years,with the purpose of building links between the evolutionary dimension and the didactic dimension.In a wider perspective,these aspects assume great importance for educators that aim to train qualified students,ethically informed and trained as world citizens,starting from neuroscientific discoveries.

智慧教学背景下普通化学实验教学的改革

在农林类院校中,普通化学实验作为一门公共必修基础课程,起到了承上启下的重要作用。因此,在目前的大数据驱动的教育生态系统中,对普通化学实验课程进行教学改革是实验教育发展的迫切需要。针对内蒙古农业大学普通化学实验的教学模式、教学内容、教学方法和教学评价等几个方面进行改革探索和实践,取得了初步的成效,提高了教学质量。同时,希望能为其它农林类院校提供必要的参考。

大学化学实验教学中法律知识的渗透教育探讨

大学化学实验是大学生进行专业技能训练的重要载体,但在实施过程中安全隐患众多,需要严格遵守实验室安全管理的法律法规和实验操作规范,确保实验过程的安全。所以,充分利用相关法律法规知识,将大学化学实验教学与法治教育相互渗透融合,使大学生在开展实验的同时接受法律教育,培养学生用法治思维来分析和解决问题的能力。为此,从实验安全、学术诚信、环境保护、知识产权等方面进行探讨,通过大学化学实验教学中法律知识的渗透,学生在实验中学到专业知识的同时提高自身法律素养,明白其中蕴含的社会责任,成为一个知法守法的化学人才;同时也给进行实验教学的老师以启发,在以身作则的同时使大学化学实验及培养方案更加完善。

两种乙酸乙酯制备方法的比较

乙酸乙酯的制备是大学有机化学的一个基础制备实验,但存在两种不同的制备方法:回流法和分馏法。通过探讨这两种制备方法的不同,以期培养学生独立思考能力、分析问题及解决问题能力、探索精神等品质。采用分组实验的方式,引导学生分析、比较、解释这两种制备方法之间的差异。结果表明,当乙醇和乙酸的体积比为3:2时,回流法的产率达到87.84%,而分馏法的产率却只有77.60%。回流法制备时,浓硫酸的用量可大大降低至0.5 mL。回流法是更佳的制备方法。分组实验法对培养学生的好奇心和探索精神有一定的帮助。

地方高校分析化学实验教学改革与探索

分析化学实验是化学相关专业的学科基础必修课,而教学改革是提高教学质量的重要途径。总结了分析化学实验教学中面临的主要问题,通过改革教学方法、整合优化实验内容、改进实验考核评价机制、加强教师队伍建设等具体措施,提高了学生学习的主动性和积极性,培养了学生的综合能力,为地方高校实验教学改革提供了依据。

本科院校教学与科研相融合路径研究-以无机化学为例

《无机化学》课程是园林、制药、环境科学、生命科学、应用化学等专业的第一门基础化学课。如何学好《无机化学》对于学生的后续学习动力和积极性至关重要。目前无机化学采用的讲授法,学生们处于被动学习的状态。这导致学生们的自主学习能力,创新实践能力和应用知识的能力都没有应有的锻炼。通过在教学过程中设计创新实验,提高学生对无机化学课程的兴趣,锻炼学生的创新思维和动手能力。本文采用电沉积法制备PbO_(2)电极,利用PbO_(2)作为阳极,Cu片为阴极对模拟甲基橙废水进行了电催化氧化处理。在电解浓度为200 mg/L的甲基橙废水过程中,pH为6.0,电流密度为40 mA/cm^(2),电极距离为2.2 cm时,COD去除率和脱色率可以达到87.4%和99%。学生们通过该实验能够进一步加深理论和实践的联系,培养学生的创新实践能力和动手能力。

基于Co/SiO_(2)催化剂的制备、表征及在加氢反应中的应用的综合教学实验设计

绿色化学是一门从源头上防止污染的化学,是一种能最大限度从资源合理利用、环境保护及生态平衡等方面满足人类可持续发展的化学。因此,在实验教学中引入绿色化学的相关内容和理念,对培养学生的综合能力具有重要的意义。本论文在综合化学实验教学过程中,引入绿色化学的理念,设计了一个环境友好型的综合性实验:Co/SiO_(2)催化剂的制备、表征和在加氢反应中的应用。在该实验中,通过Co/SiO_(2)催化剂的合成、表征以及应用,使学生了解固体催化剂的基本制备方法和物理性质,以及催化剂在生物质由来的乙酰丙酸加氢制备绿色化学品过程中的应用方法。该实验能够同步强化学生的实验动手能力,激发学生对于绿色化学的学习兴趣,提升学生的自主能动性,产生了良好的教学效果。

师范专业认证背景下无机化学实验教学改革探索与实践——以溶液的配制为例

无机化学实验可以培养化学专业学生的实验操作技能,强化和训练学生逻辑能力和创新思维。首先对我校化学专业的无机化学实验课程概况及教学中存在的问题进行了阐述,然后对“溶液的配制”实验项目的教学现状进行了分析,最后在此基础上提出了相应的教学改革措施,分别从挖掘课程思政元素、优化课堂教学内容、加大安全教育力度、改进教学模式与方法、变革课程考核形式等方面进行了实践探索。通过改革实践提高了学生的实验操作技能,培养了学生严谨认真的实验态度与实事求是的做事风格,取得了较好的教学效果,可为其他高校无机化学实验教学改革和人才培养提供一定的借鉴与参考。

理工科实验课程思政建设的价值意蕴与实践路径——以“普通化学实验”课程为例

以“普通化学实验”课程为例,对高校理工科实验课程思政建设的价值意蕴进行了深入论析,构建了实验课程思政体系设计与实施的新模式,提出通过强化实验教师的课程思政建设意识能力、深入挖掘实验课程思政元素、优化实验课程思政教学设计、推动思政课程与课程思政互融共促、建立健全实验课程思政考核评价体系,可全面提升理工科实验课程的育人效果。

以“学”为中心的问题式实验教学改革

基础化学实验不仅可以验证化学理论和训练实验技能,更应注重学生分析问题、解决问题能力的提升。针对基础学科拔尖学生的培养,我们本着因材施教的理念,开展了基础化学实验课程的教学内容、知识体系、教学方法的改革和实践。通过构建以“学”为中心、问题为导向的教学模式,系统提升实验教学在人才培养中的效果和作用。

蒽与马来酸酐Diels-Alder反应的量化计算研究——介绍一个计算化学实验

蒽与马来酸酐的Diels-Alder反应是基础有机化学实验课程中普遍开展的一个经典实验。本文推荐蒽与马来酸酐Diels-Alder反应的计算化学实验,该实验采用Gaussian 16程序中的密度泛函方法对蒽和马来酸酐Diels-Alder反应的反应机理进行了研究。旨在通过本实验激发学生对有机化学和计算化学的兴趣,加深学生对化学学科的理解,提升学生在科研工作中学以致用的能力。

一流专业建设背景下化学实验教学示范中心的改革与实践

本文以山西大学化学实验教学示范中心为例,探讨了一流专业建设背景下化学实验教学示范中心的改革方向与实践措施。中心围绕学生“知识、能力、质素”协调发展的理念,坚持“三全育人”,以“立足化学优势,服务山西煤基产业”为特色发展方向,以创新实验、虚拟仿真实验、课程群建设为抓手,开展了一系列改革措施,取得了显著成效。

面向林学专业群的有机化学实验教学内容改革实践与探索

作为高等学校公共基础课,有机化学实验因教学资源不足,普遍存在教学内容千篇一律、与专业特色契合度低等问题,导致学生学习动力不足。本文结合西南林业大学实际,尝试将具有植物资源培养、开发、利用的相关专业组成林学专业群,并针对该专业群,构建了以天然产物提取、分离、纯化、鉴定为主线的有机化学实验教学体系。学生期末考试表现及问卷调查结果表明,新教学体系对提升学生学习兴趣、改善学生培养质量具有显著的推进作用,同时也为在教学体系中融入农林特质提供了思路。

多效并举建设化学实验中心,服务高质量实验教学

在多年的实践过程中,针对本科化学实验教学面临的种种挑战,郑州大学化学实验教学中心多效并举,形成了一系列特色鲜明的教学管理方法,有效服务了高质量化学实验教学工作的开展。本文介绍了郑州大学化学实验教学中心建设中的一些举措和取得的成效,希望能为高校化学实验教学工作和管理服务提供有益的参考借鉴。

基于OBE理念的分析化学实验课创新教学设计

设计“任务驱动、问题导向、创新发展”教学模式,通过革新教学理念、重构教学模式、线上线下相结合等措施,培养学生创造性思维、实践技能以及全面发展的潜能.