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THE ROLE OF N-3 FATTY ACIDS IN BRAIN AND BEHAVIOURAL DEVELOPMENT
Wainwright,Patricia 건국대학교 동물자원연구센터 1994 국제 심포지움 Vol.- No.5
The membrane phospholipids of the brain contain high levels of polyunsaturated fatty acids, particularly arachidonic acid, 20:4n-G, and docosahexaenoic acid, 22:6n-3. Dietary deficiency of n-3 FA results in reductions in levels of DHA in the brain and retina, which are accompanied by a reciprocal increase in levels of 22:5n-6. The rapid accumulation of long-chain n-3 fatty acids during prenatal and preweaning development suggests that the provision of n-3 fatty acids to the developing brain may be necessary for functional development. This can be assessed by measuring behavioural outcomes. Changes in some aspects of retinal function appear to be well-established, but whether effects seen in learning tasks are reflective of differences in associative learning capacity independent of related sensory or motivational changes remains to be established. This paper provides critical discussion of the methodology of studies which investigate such relationships in animals. This will be illustrated by the presentation of data from recent work conducted in our laboratory on mice. The first study looks at the relationship between dietary fatty acids and environmental stimulation during development and their effects on maze-learning. In the second study animals were fed an n-3 deficient diet for three generations and tested on a battery of behavioural tests which better allows the disentanglement of effects on sensory capacity, arousal and cognitive function.
Revisiting Regulation Theory for the Analysis of South Korean capitalism
이승욱,Joel Wainwright 한국경제지리학회 2010 한국경제지리학회지 Vol.13 No.4
Regulation theory became a popular framework for economic geography in the mid-1990s but lost favor before it became prominent in South Korea. This paper revisits regulation theory — in both its original (1990s) and the revised (2000s) forms — to consider its applicability to the case of Korean capitalism. We contend that the difficulties in applying regulation theory to Korea are, on one hand, indicative of certain fundamental limitations in the theoretical approach and, on the other hand, useful for clarifying the distinctiveness of Korean capitalism.
London 2012: changing delivery patterns in response to the impact of the Games on traffic flows
Michael Browne,Julian Allen,Ian Wainwright,Andrew Palmer,Ian Williams 서울시립대학교 도시과학연구원 2014 도시과학국제저널 Vol.18 No.2
The paper addresses road freight transport operations during the London Olympic and Paralympic Games in 2012. It presents work carried out prior to the Games to understand pre-Games patterns of freight deliveries in London (for both light and heavy goods vehicles) and the results of modelling work carried out to assess the likely impacts of the Games road restrictions on freight operations. The modelling results indicated that increases in total hours travelled carrying out collection and delivery work would range from 1.4% to 11.4% in the six sectors considered. The results suggested increases in hours travelled in excess of 3.5% in four of the six sectors modelled. The possible actions that could be taken by organizations to reduce these negative impacts were also modelled and the results indicated that such actions would help to mitigate the impact of the road restrictions imposed on operators during the Games. The actual impacts of the 2012 Games on transport both in general terms and specifically in terms of freight transport are also discussed, together with the success of the actions taken by Transport for London (TfL) to help the road freight industry. The potential freight transport legacy of the London 2012 Games in terms of achieving more sustainable urban freight transport is considered and the steps being taken by TfL to help ensure that such a legacy can be realized are discussed. Such steps include policy-makers continuing to collaborate closely with the freight industry through the ‘London Freight Forum’, and TfL's efforts to encourage and support companies revising their delivery and collection times to the off-peak; improving freight planning in the design and management of TfL-funded road schemes; electronic provision of traffic information by TfL to the freight industry, and the further development of freight journey planning tools.
이승욱 ( Seung Ook Lee ),조엘웨인라이트 ( Joel Wainwright ) 한국경제지리학회 2010 한국경제지리학회지 Vol.13 No.4
조절이론은 1990년대 중반 경제지리학에서 중요한 이론틀로써 조명을 받았지만, 한국에서 미처 충분한 조명을 받기도 전에 쇠퇴하였다. 이 논문은 조절이론을 2가지 형태 (1990년대 초기 접근과 2000년대 새로운 접근)로 재고찰함으로써, 한국자본주의 분석틀 로써 적용가능성에 대해 고려해 보고자 한다. 여기서 우리는 조절이론을 한국에 적용시키는데 있어서의 어려움은 이론 자체의 근본적 한계를 드러내는 한편, 한국자본주의의 특유성을 보여주는데에도 유용하다고 주장한다. Regulation theory became a popular framework for economic geography in the mid-1990s but lost favor before it became prominent in South Korea. This paper revisits regulation theory - in both its original (1990s) and the revised (2000s) forms - to consider its applicability to the case of Korean capitalism. We contend that the difficulties in applying regulation theory to Korea are, on one hand, indicative of certain fundamental limitations in the theoretical approach and, on the other hand, useful for clarifying the distinctiveness of Korean capitalism.
Student Teachers and Beginning Teachers' Understandings of Scientific Inquiry
Young-Shin Park,Larry Flick,Patricia D. Morrell,Camille Wainwright 한국지구과학회 2004 韓國地球科學會誌 Vol.25 No.3
This study examined the knowledge and practices of scientific inquiry displayed by three student teachers and two beginning teachers at secondary levels. Observations using the instrument of OTOP designed by the research team of OCEPT (Oregon Collaborative for Excellent in the Preparation of Teachers) generalized similar teaching strategies of scientific inquiry between student and beginning teachers, such as using group work for students’ first hand experience, using concrete materials for experimentation or visual tools for demonstration, using questions for factual knowledge mainly without opportunities to understand how scientific knowledge is constructed. Those scientific inquiry activities were very confirmative ones to follow the steps without opportunities of understanding nature of science or nature of scientific inquiry. However, all participants in this study hold knowledge of scientific inquiry envisioned by the National Science Education Standards [NSES] (NRC, 1996), where students identify their hypothesis, use critical and logical thinking, and consider alternative explanations through argumentation as well as experimentation. An inconsistent relationship between participating teachers knowledge and practices about scientific inquiry resulted from their lack of pedagogy skills of implementing it in the classroom. Providing opportunities for these teachers to reflect on their beliefs and practices about scientific inquiry was recommended for the future study. Furthermore, increasing college faculty interest in new teaching approaches for upgrading the content knowledge of student teachers and beginning teachers was recommended as a solution, since those teachers showed evidence of influence by college faculties at universities in their pedagogy skills.
Saito, Kimiaki,Mikami, Satoshi,Andoh, Masaki,Matsuda, Norihiro,Kinase, Sakae,Tsuda, Shuichi,Sato, Tetsuro,Seki, Akiyuki,Sanada, Yukihisa,Wainwright-Murakami, Haruko,Yoshimura, Kazuya,Takemiya, Hiroshi The Korean Association for Radiation Protection 2019 방사선방어학회지 Vol.44 No.4
Massive environmental monitoring has been conducted continuously since the Fukushima Daiichi Nuclear Power accident in March of 2011 by different monitoring methods that have different features together with migration studies of radiocesium in diverse environments. These results have clarified the characteristics of radiological environments and their temporal change around the Fukushima site. At three months after the accident, multiple radionuclides including radiostrontium and plutonium were detected in many locations; and it was confirmed that radiocesium was most important from the viewpoint of long-term exposure. Radiation levels around the Fukushima site have decreased greatly over time. The decreasing trend was found to change variously according to local conditions. The air dose rates in environments related to human living have decreased faster than expected from radioactive decay by a factor of 2-3 on average; those in pure forest have decreased more closely to physical decay. The main causes of air dose rate reduction were judged to be radioactive decay, movement of radiocesium in vertical and horizontal directions, and decontamination. Land-use categories and human activities have significantly affected the reduction tendency. Difference in the air dose rate reduction trends can be explained qualitatively according to the knowledge obtained in radiocesium migration studies; whereas, the quantitative explanation for individual sites is an important future challenge. The ecological half-lives of air dose rates have been evaluated by several researchers, and a short-term half-life within 1 year was commonly observed in the studies. An empirical model for predicting air dose rate distribution was developed based on statistical analysis of an extensive car-borne survey dataset, which enabled the prediction with confidence intervals. Different types of contamination maps were integrated to better quantify the spatial data. The obtained data were used for extended studies such as for identifying the main reactor that caused the contamination of arbitrary regions and developing standard procedures for environmental measurement and sampling. Annual external exposure doses for residents who intended to return to their homes were estimated as within a few millisieverts. Different forms of environmental data and knowledge have been provided for wide spectrum of people. Diverse aspects of lessons learned from the Fukushima accident, including practical ones, must be passed on to future generations.