Chemistry-Didactics-Ecology-Metrology最新文献_第6页

Assessing of Scientific Inquiry Skills Achieved by Future Biology Teachers 未来生物学教师科学探究技能的评估

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Chemistry-Didactics-Ecology-Metrology Pub Date : 2018-12-01 DOI: 10.1515/cdem-2018-0004

E. Čipková, Š. Karolčík

引用次数: 6

Biocatalytic reduction of ketones in a secondary school laboratory 中学实验室中酮类生物催化还原

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Chemistry-Didactics-Ecology-Metrology Pub Date : 2017-12-01 DOI: 10.1515/cdem-2017-0007

Dominika Lacušková, Anna Drozdíková

{"title":"Biocatalytic reduction of ketones in a secondary school laboratory","authors":"Dominika Lacušková, Anna Drozdíková","doi":"10.1515/cdem-2017-0007","DOIUrl":"https://doi.org/10.1515/cdem-2017-0007","url":null,"abstract":"Abstract Biocatalysis is one of the most important industrial methods which has been increasingly attracting attention of scientists as a new and environmentally acceptable method. It is used in the preparation of chiral alcohols - important building blocks for the synthesis of fine chemicals, pharmaceuticals, agrochemicals and analogues of natural substances. In biocatalysis the use of traditional chiral agents based on heavy metals has been replaced by the use of enzymes. In many cases, the number of reaction steps has been limited, the selectivity of the desired products has been increased while the negative impact on the environment has been reduced. The principles of biocatalysis have been applied by us to design a simple chemical experiment for the students of higher secondary education. The modified assignment of a lab task consisted of bioreduction of 4-nitroacetophenone using the enzymes present in plant tissues of carrot, parsley and white radish. Within our pedagogical research, the adequacy of the chemical experiment for secondary school students was examined and the extent of understanding of the green chemistry experiment was analysed by the method of a semi-structured interview.","PeriodicalId":41079,"journal":{"name":"Chemistry-Didactics-Ecology-Metrology","volume":"22 1","pages":"123 - 133"},"PeriodicalIF":0.4,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47293729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Innovative educational course II: Modelling of odour dispersion from agricultural biogas plants 创新教育课程二:农业沼气厂气味分散模拟

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Chemistry-Didactics-Ecology-Metrology Pub Date : 2017-12-01 DOI: 10.1515/cdem-2017-0008

Jan Loskot

{"title":"Innovative educational course II: Modelling of odour dispersion from agricultural biogas plants","authors":"Jan Loskot","doi":"10.1515/cdem-2017-0008","DOIUrl":"https://doi.org/10.1515/cdem-2017-0008","url":null,"abstract":"Abstract In recent years, the European Union is putting a growing emphasis on constructing agricultural biogas plants, especially in the Czech-Polish border region. In this region, there are large areas of agricultural land which can provide biomass as a substrate used in biogas plants. Biogas plants connected to cogeneration units are a useful renewable source of thermal and electrical energy, but they can cause also some problems. Probably the most serious issue is that inadequately technologically operated biogas plants are the source of unpleasant odour which may affect the surrounding population. Therefore, we prepared a continuation of our educational course focused on biogas plants intended for a study program “Physico-technical Measurements and Computer Technology” at the Faculty of Science at the University of Hradec Kralove and for the education of internshipers from the Faculty of Natural Sciences and Technology at the University of Opole. In this part of the course, the students will learn about the problems with odour released from inadequately technologically operated biogas plants and about the ways how to measure and model the odour contamination in the vicinity of the odour source. An important part of this educational course is a practical exercise on the mathematical modelling of odour contamination from an inadequately technologically operated agricultural biogas plant. Thus, the students will be able to perform the odour modelling using the SYMOS’97 methodology which is approved and used as an official tool for air pollution modelling in the Czech Republic. Students will learn that a biogas plant which is well-operated and correctly located in relation to local hydrometeorological conditions does not annoy local residents by odour.","PeriodicalId":41079,"journal":{"name":"Chemistry-Didactics-Ecology-Metrology","volume":"22 1","pages":"135 - 150"},"PeriodicalIF":0.4,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1515/cdem-2017-0008","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41922284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

How can pupils see what is invisible?: Possibilities of inquiry probeware experiment implementation in primary schools 小学生怎样才能看到看不见的东西？：小学实验实施探究性问题的可能性

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Chemistry-Didactics-Ecology-Metrology Pub Date : 2017-12-01 DOI: 10.1515/cdem-2017-0004

Vladimír Gašparík, Miroslav Prokša, Anna Drozdíková

{"title":"How can pupils see what is invisible?: Possibilities of inquiry probeware experiment implementation in primary schools","authors":"Vladimír Gašparík, Miroslav Prokša, Anna Drozdíková","doi":"10.1515/cdem-2017-0004","DOIUrl":"https://doi.org/10.1515/cdem-2017-0004","url":null,"abstract":"Abstract We investigated the difficulties and challenges for teachers in implementing microcomputer-based laboratory and inquiry-based education in basic schools, where pupils were unused to this type of education. To achieve this, we implemented lesson models with worksheets focused on chemical reactions, chemical decomposition and chemical synthesis; with demonstration experiments and video-recording of each lesson. We then utilized a qualitative research design to analyse the videos, concentrating on circumstances leading to increased and decreased pupil attention to the relevant events, and on subsequent student reflection. Experience gained from implementing our model lessons proved that achieving effective teacher-pupil communication was the greatest difficulty hindering teaching success. This particularly involved the formulation of predictions and conclusions which demands strong commitment, determination and skill from every teacher. A further difficulty was ensuring active pupil engagement in the discussion. We therefore instituted a set of teacher ‘working-rules’ to enhance success in this innovative form of education.","PeriodicalId":41079,"journal":{"name":"Chemistry-Didactics-Ecology-Metrology","volume":"22 1","pages":"69 - 91"},"PeriodicalIF":0.4,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49193284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Microwave synthesis of sulfanilic acid 磺胺酸的微波合成

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Chemistry-Didactics-Ecology-Metrology Pub Date : 2017-12-01 DOI: 10.1515/cdem-2017-0005

J. Havlíček, K. Myška, W. Tejchman, N. Karaskova, R. Doležal, Nadezhda V. Maltsevskaya, K. Kolář

引用次数: 3

Stories with microorganisms… 关于微生物的故事……

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Chemistry-Didactics-Ecology-Metrology Pub Date : 2017-12-01 DOI: 10.1515/cdem-2017-0003

A. Nowak, M. Nowak, K. Cybulska

{"title":"Stories with microorganisms…","authors":"A. Nowak, M. Nowak, K. Cybulska","doi":"10.1515/cdem-2017-0003","DOIUrl":"https://doi.org/10.1515/cdem-2017-0003","url":null,"abstract":"Abstract Microorganisms, usually invisible for us, accompany us always and everywhere. Often we do not realize how decisive its impact on our lives is, how much we use their presence, which of our troubles are the result of their actions, and also how surprising effects result from their activity. Microorganisms also very often play a decisive role in the development of societies, politics and history. One of the most spectacular interventions of micro-organisms in human history include the example of a false “oil fever” that exploded in Australia in the second half of the nineteenth century. It was even more significant to redirect Europe's history in the new direction as a result of the “black death” epidemic in the fourteenth century. Microorganisms have created social conditions for the transition to the next epoch - renaissance, which forms the basis of today's shape. Because of the microorganisms J.F. Kennedy could have been in the 1960 President of the United States of America and to direct her development in the new direction and to stop Khrushchev's expansion into the second hemisphere. Microorganisms, not leaders and generals, won battles and wars. It was Rikketsia prowazeki, not the genius of the opponents, that broke Napoleon's power in Europe. Microorganisms fight disease, improving quality of life and prolonging its period. They allowed to control rabies and numerous infectious diseases. In the economy for the cause of microorganisms, powerful monopolies fell. Bacteria were also used to protect civilians in Poland during World War II. There are many similar stories to tell, stories in which microorganisms play an essential role. But would these stories be about microorganisms only? Or perhaps about people who were fascinated by the microscopic world of microbes discovered his secrets, meaning and ... beauty.","PeriodicalId":41079,"journal":{"name":"Chemistry-Didactics-Ecology-Metrology","volume":"22 1","pages":"59 - 68"},"PeriodicalIF":0.4,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44671570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Michael Faraday the educator - an essay to commemorate the 150th anniversary of Faraday’s Death 教育家迈克尔·法拉第-纪念法拉第逝世150周年的文章

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Chemistry-Didactics-Ecology-Metrology Pub Date : 2017-12-01 DOI: 10.1515/cdem-2017-0002

Z. Szydło

引用次数: 3

Attitudes among chemistry teachers towards increasing personal competencies in applying ICT 化学教师对提高个人应用信息通信技术能力的态度

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Chemistry-Didactics-Ecology-Metrology Pub Date : 2017-12-01 DOI: 10.1515/cdem-2017-0006

Š. Karolčík, E. Čipková

{"title":"Attitudes among chemistry teachers towards increasing personal competencies in applying ICT","authors":"Š. Karolčík, E. Čipková","doi":"10.1515/cdem-2017-0006","DOIUrl":"https://doi.org/10.1515/cdem-2017-0006","url":null,"abstract":"Abstract The study analyses opinions and attitudes among Chemistry teachers participating in the national project titled “Modernisation of the Educational Process in Primary and Secondary Schools”. The research part of the study consists of the results of our findings examining the overall satisfaction of course participants with the professional level, difficulty, and contents of the designed TPACK-based (the Technological Pedagogical Content Knowledge) teaching model, as well as their self-assessment of the acquired skills and knowledge regarding the work with particular software and hardware applications. The results indicate that the course based on the TPACK framework and comprising specific examples of teaching activities supported by the use of technology was highly appreciated by teachers. Examples of methodologies for a suitable use of digital technologies in a particular curriculum topic in Chemistry, based on the TPACK model, were evaluated by teachers as the most beneficial ones, in terms of the actual teaching practice. The research confirmed that teachers expect to receive educational technologies together with high-quality methodical guidelines and particular examples of teaching activities involving appropriate and efficient use of the given digital technology in the teaching process.","PeriodicalId":41079,"journal":{"name":"Chemistry-Didactics-Ecology-Metrology","volume":"22 1","pages":"121 - 99"},"PeriodicalIF":0.4,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1515/cdem-2017-0006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41984573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

Elementary steps in heterogeneous catalysis: The basis for environmental chemistry 多相催化的基本步骤：环境化学的基础

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Chemistry-Didactics-Ecology-Metrology Pub Date : 2017-12-01 DOI: 10.1515/CDEM-2017-0001

G. Ertl, M. Zielińska, M. Rajfur, M. Wacławek

{"title":"Elementary steps in heterogeneous catalysis: The basis for environmental chemistry","authors":"G. Ertl, M. Zielińska, M. Rajfur, M. Wacławek","doi":"10.1515/CDEM-2017-0001","DOIUrl":"https://doi.org/10.1515/CDEM-2017-0001","url":null,"abstract":"Abstract Catalysis is an alternative way for reaching an immediate formation of a product, because of a lower energy barrier (between the molecules and the catalysts). Heterogeneous catalysis comprises the acceleration of a chemical reaction through interaction of the molecules involved with the surface of a solid. It is a discipline, which involves all the different aspects of chemistry: inorganic and analytical chemistry in order to characterize the catalysts and the forms of these catalysts. The industrial chemistry puts all these things together to understand the solid chemical handling, chemical reaction and energy engineering and the heat and mass transfer in these catalytic processes. Very often there are more than one, but several products, then the role of the catalyst is not so much related to activity, but to selectivity. The underlying elementary steps can now be investigated down to the atomic scale as will be illustrated mainly with two examples: the oxidation of carbon monoxide (car exhaust catalyst) and the synthesis of ammonia (the basis for nitrogen fertilizer). There is a huge market for the catalysts themselves despite of their high costs. A large fraction is used for petroleum refineries, automotive and industrial cleaning processes. The catalytic processes is a wide field and there are still many problems concerning energy conservation and energy transformation, so there is much to do in the future.","PeriodicalId":41079,"journal":{"name":"Chemistry-Didactics-Ecology-Metrology","volume":"22 1","pages":"11 - 41"},"PeriodicalIF":0.4,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1515/CDEM-2017-0001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45281123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Innovative Educational Program for Biogas Production Carried Out at University of Hradec Králové (CZ) and at University of Opole (PL) 在赫拉德茨大学Králové (CZ)和奥波尔大学(PL)开展的沼气生产创新教育计划

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Chemistry-Didactics-Ecology-Metrology Pub Date : 2016-12-01 DOI: 10.1515/cdem-2016-0005

Jan Loskot, M. Smolík, Lidmila Hyšplerová, K. Radocha, J. Kříž, S. Eminger, A. Dołhańczuk-Śródka, Z. Ziembik, M. Wacławek

{"title":"Innovative Educational Program for Biogas Production Carried Out at University of Hradec Králové (CZ) and at University of Opole (PL)","authors":"Jan Loskot, M. Smolík, Lidmila Hyšplerová, K. Radocha, J. Kříž, S. Eminger, A. Dołhańczuk-Śródka, Z. Ziembik, M. Wacławek","doi":"10.1515/cdem-2016-0005","DOIUrl":"https://doi.org/10.1515/cdem-2016-0005","url":null,"abstract":"Abstract Recently, there is a growing pressure on a rapid construction of agricultural biogas plants, particularly in the Czech-Polish border region. It is an area with large expanses of agricultural land which can serve to supply biogas plants with biomass. This strategy should contribute to harmonize the common agricultural policy of the European Union. A need for qualified operators of these stations on this territory is also increasing. Therefore we first include a demonstration of an education program for students in the field of agricultural waste anaerobic fermentation and biogas production. We present here the first part of an innovative approach which we use in the teaching program “Physico-technical Measurements and Computer Technology” at the Faculty of Science at the University of Hradec Kralove and also in the education of internshipers from the Faculty of Natural Sciences and Technology at the University of Opole. There are requirements to fulfil labour market expectations and to make this subject more attractive for the students. Students’ theoretical and practical preparation constitutes a comprehensive source of knowledge and skills required in a real life job. Joined theoretical and practical knowledge gained by students, reinforced by the skills developed during task analysis followed by their solution, provides the future graduate higher quality abilities and better position in the labour market.","PeriodicalId":41079,"journal":{"name":"Chemistry-Didactics-Ecology-Metrology","volume":"21 1","pages":"61 - 74"},"PeriodicalIF":0.4,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1515/cdem-2016-0005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66778766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1