我国天然气汽车产业发展现状与对策     

刘剀刈  李峰 《重庆职业技术学院学报》2011,(5):33-35

在世界各国采取节能减排行动的形势下,我国加快了清洁能源汽车的推广。发展天然气汽车产业对我国极其重要,未来国内外天然气汽车市场非常庞大,发展前景光明。我国汽车产业已形成了一定的国际竞争力,在未来的国际竞争中将获得更大的利益。虽然我国天然气汽车产业起步晚,但是起点高,有竞争力。为进一步发展天然气汽车产业,探索了发展我国天然气汽车的对策。  相似文献   

Preferences of students with learning disabilities for alternative service delivery modes     

Susana Padeliadu 《欧洲特需教育杂志》2013,28(3):210-226

ABSTRACT

This study investigates the preferences of students with learning disabilities regarding the location in which they receive help and the person from whom to get help. The attitudes of students with learning disabilities towards school as a function of the time they spend in the mainstream and their characteristics were also investigated. Results of the structured interviews and survey statements of 150 students indicated that they preferred receiving extra help in the special education class from the special education teacher. Students’ preferences for setting or teacher were not related to age, sex, IQ or academic achievement level, nor to the time students spent in the mainstream. The students expressed a positive attitude towards school in general, and towards their teachers, their classmates and the schoolwork in particular.  相似文献   

Cultivation of taste and bounded rationality: Some computer simulations   总被引：2，自引：2，他引：0  

Roger A. McCain 《Journal of Cultural Economics》1995,19(1):1-15

One can approach the economics of the arts, as any field of applied economics, in either of two ways. First, one can treat economic theory and econometric technique as subjects settled by specialists in those fields, to be used in the ec onomics of the arts as they are given, very much as if one were studying the demand for maize. Alternatively, one can treat the economics of the arts as a field which may need and suggest its own developments in theory and technique, suitable to its spec ial problems and processes, from which general economic theory and econometric theory might in principle learn something. Perhaps this latter view is implausible, given the high state of development of economic theory and econometrics in the modern liter ature. Yet many of the advances embodied in these fields have come from particular areas of application-and the economics of maize has been a particularly fertile field.I am indebted to participants in the Seventh International Conference on Cultural Economics, Fort Worth, Texas, October 1992; to p articipants in the Seminar on the Economics of the Arts, Venice, Italy, December 1992; to participants in the conference of the Pennsylvania Economists' Association, Wiles-Barre, PA, June, 1993; to participants in the second conference on Simulating Soci eties, Siena, Italy, July 1993; to participants in the conference of the Society for the Advancement of Behavioral Economics, Rensselaerville, NY, August 1993; and to participants in the Third Conference on Artificial Intelligence in Economics and Manage ment, Portland, OR, August 1993, for useful comments on topics related to the research reported in this paper. Errors and omissions are, of course, attributable to the author.  相似文献   

P2P网贷平台的收益及风险对投资人的选择影响——以“金银猫”网贷平台为例     

甘梦群 《鸡西大学学报》2015,(7)

互联网金融依托其成本低、效率高、覆盖广和发展快的特点,已然成为当下中国金融行业不可压倒的一个趋势,相应地,P2P网贷、第三方支付、大数据金融等互联网金融理财产品也成为当下投资者炙手可热的投资选择,试以"金银猫"网贷平台为例,采用计量的方法定量分析网贷平台收益和风险以及成交量的相互关系,并由此分析投资人在面临收益和风险时的选择偏好问题,最后对如何降低P2P网贷平台的发展以促进其发展给出相应的建议。  相似文献   

What and how teacher educators prefer to learn     

Jurriën Dengerink  Mieke Lunenberg  Quinta Kools 《师资教育杂志》2015,41(1):78-96

In which areas and domains do individual teacher educators prefer to work on their professional development? What kind of learning activities do they want to take on and with whom? Are there significant differences in these preferences between teacher educators? This article reports on a recent survey (N = 268) about the professional development of teacher educators and differences in learning preferences between less and more experienced teacher educators and between university-based and school-based teacher educators. Findings show, for example, that while most university-based teacher educators were mainly interested in improving their teaching, less experienced school-based teacher educators were more focussed on aspects such as coaching skills. In this study, ‘learning profiles’ have been developed for four categories of teacher educators. These profiles may help to create more meaningful arrangements for teacher educators’ initial education and further professional development in a context where teacher education is required to have a more school-based as well as a more research-based orientation.  相似文献   

How stable is the stratification of higher education in England and Scotland?     

David Raffe  Linda Croxford 《British Journal of Sociology of Education》2015,36(2):313-335

This paper asks whether the institutional hierarchies defined by ‘golden triangle’, other Russell Group, other pre-1992 and post-1992 universities in England, and by ancient, old and new universities in Scotland, have become weaker since the 1990s. Using indicators constructed from Universities and Colleges Admissions Service data for 1996–2010, the article finds a stable hierarchical relationship among the sectors within each country, with some indicators showing a slight widening of status differences between sectors towards the end of the period. The main exception was a slight ‘upgrading’ of new (post-1992) universities in Scotland early in the period. There was little change in the association of institutional sector with social class, but in England the association with private secondary schools became slightly stronger and the association with ethnicity weakened.  相似文献   

Development of the Preferences for College Counseling Inventory     

Gregory T. Hatchett 《Journal of College Counseling》2015,18(1):37-48

This study describes the development of the Preferences for College Counseling Inventory (PCCI). In addition to providing data about college students' preferences for the logistics of counseling and the demographic/professional background of a potential therapist, the PCCI also provides numerical scores on 3 scales (Therapist Expertise, Therapist Warmth, and Therapist Directiveness) that measure preferences for therapist dispositions and 2 scales (Task‐Oriented Activities and Experiential/Insight‐Oriented Activities) that measure preferences for counseling activities.  相似文献   

基于决策者偏好的正负靶心灰靶决策方法     

马金山 《科技管理研究》2014,(23)

基于已有的研究,在多属性灰靶决策中将决策者对某些属性指标取值的理想偏好和选择偏好所决定的正靶心扩展到负靶心。分析不同的属性值偏好对决策方案指标的影响,并采用广义灰靶决策的方法处理决策者的偏好。基于未一致规范化决策方案样本值矩阵确定正负靶心后,再将决策者偏好的属性值置换求得融入决策者属性值偏好的正负靶心指标值。然后求得各个决策方案的正负靶心距,并以各个方案到正负靶心综合靶心距离的贴近度作为方案的评价依据。算例分析表明,该方法能够有效地处理决策者对某些属性的指标值有不同偏好的情况,且使得决策结果客观。  相似文献   

再制造产品的经济合理性评价     

马丽娜  霍晓艳  李建华 《科技管理研究》2014,(21)

主要探讨再制造产品盈利能力的影响因素,开发一种方法用于评估各种再制造产品的经济合理性。从49例价格偏好的研究发现,在许多情况下,原始设备制造商(OEM)同时生产新产品和再制造产品将获得更大的整体利润。同时指出产品间和个人间的定价行为差异以及转换行为差异,基于合理假设,即在一定价格区间内,由新产品向再制造产品间的偏好转移是呈线性关系的,从而相对简化计算,便于分析在什么情况下OEM同时生产新产品和再制造产品是具有经济合理性的,将会导致什么样的相对价格、销售额和利润。  相似文献   

Approaches to studying and perceptions of the academic environment among university students in Pakistan     

Raza Ullah  Muhammad Hafeez 《Compare》2011,41(1):113-127

There has been a paucity of research on the experiences of students at Pakistani universities. A survey of over 900 students at two universities examined their approaches to studying and perceptions of their courses. Evidence was obtained for a deep approach, a surface approach and two aspects of a strategic approach. Their perceptions were based upon the instructional practices, the acquisition of generic skills, the appropriateness of the assessment and of their workload, and the available learning resources. A higher‐order analysis revealed two broad dimensions of the student experience in Pakistan. Students who had positive perceptions tended to adopt a deep approach, to prefer courses, teaching and assessment that supported their understanding and to be engaged and reliable in their studies. However, students who had negative perceptions tended to adopt a surface approach and to prefer courses, teaching and assessment that reinforced this approach through the bare transmission of information.  相似文献