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191.
随着食品行业的逐渐发展,食品添加剂的安全性成为人们重点关注的话题,食品添加剂是食物的重要组成部分.近年来,食品添加剂中毒事件频频发生,在食品生产中非法应用食品添加剂会对人民群众的健康造成危害.相关部门应在正确认识食品添加剂的基础上,积极采取措施,减少食品添加剂的安全问题. 相似文献
192.
大学生思想教育网络化初探 总被引：1，自引：0，他引：1
张景成 《吉林省经济管理干部学院学报》2004,18(4):63-65
随着信息技术的迅速发展,互联网作为一种新的信息传媒工具,越来越成为当代大学生获取知识和各种信息的重要渠道,同时高等学校学生思想政治工作也面临着严峻的挑战。思想政治工作者可通过网络对大学生进行思想政治教育,并从中探索出一条切实可行的大学生思想教育网络化之路。 相似文献
193.
白洪奎 《吉林省经济管理干部学院学报》2010,24(3):92-94
通过对高职新生基本素质情况进行问卷调查,不但能够了解学生的基本素质情况,成为我们做好学生工作的重要依据,也更加明晰了今后学生素质教育面临的任务,这就是：对学生政治上要积极教育和引导,帮助学生减轻就业、升学以及学习能力不强、社交能力不够等带来的心理压力,开展传统文化教育活动和满足学生对校园文化活动的个性要求。 相似文献
194.
A. Verma V.N. Gaikwad 《International journal of injury control and safety promotion》2018,25(2):180-194
Large integrated steel plants employ an effective safety management system and gather a significant amount of safety-related data. This research intends to explore and visualize the rich database to find out the key factors responsible for the occurrences of incidents. The study was carried out on the data in the form of investigation reports collected from a steel plant in India. The data were processed and analysed using some of the quality management tools like Pareto chart, control chart, Ishikawa diagram, etc. Analyses showed that causes of incidents differ depending on the activities performed in a department. For example, fire/explosion and process-related incidents are more common in the departments associated with coke-making and blast furnace. Similar kind of factors were obtained, and recommendations were provided for their mitigation. Finally, the limitations of the study were discussed, and the scope of the research works was identified. 相似文献
195.
Workers with disabilities have functional limitations that affect their productivity in some, but not necessarily all, jobs. Workers who find a job that is a good match for their functional limitations (i.e. a job where their limitations have little or no impact on important job functions) should expect better employment outcomes (e.g. higher wages, longer job tenure) than workers with similar disabilities who are mismatched in their jobs. Merging data from the Survey of Income and Program Participation with O*Net data on job demands, we construct two continuous measures of job mismatch for workers with physical disabilities. We then extend the literature on disability and employment by exploring relationships between duration of disability, job mismatch, wages and hours worked. The results indicate that workers with long durations of disability are employed in jobs that are a better match to their physical limitations than are similar workers with shorter durations of disability. And, workers who are mismatched earn lower wages and work fewer hours than their counterparts whose jobs are a better match. Overall, the findings suggest that disability employment policies should include systematic efforts to help workers with disabilities find good job matches. 相似文献
196.
In the current paper, the wind potential of a relatively flat area in central Peloponnese in Greece has been studied. The chosen region was selected based on environmental criteria and the wind speed was correlated based on the measurements of three specific mountainous sites in the wider plateau area using a Wind Resource Analysis (WRA) modeling methodology. Digital elevation data sets were used for the modeling procedure together with the Wind Atlas Analysis Program for the correlation process and the basic aim was to evaluate and identify appropriate sites for wind farm development within the flat area and compare the estimated net power output with the net power output from mountainous sites in the wider central Peloponnese area. Dust dispersion mapping from mining operations in the area contributed also to defining the physical boundaries for wind farm development. 相似文献
197.
This study investigates the effect of three dimensions of exchange rate misalignments—(i) distance (absolute misalignments), (ii) direction (overvaluation or undervaluation), and (iii) degree (small or large misalignments)—on the overall as well as short-cycle exchange rate volatility. Using data from 1988 to 2014, we find that relative PPP-based exchange rate misalignments increase exchange rate volatility. For developed and developing countries, this increase in volatility is driven mainly by large undervalued misalignments of the U.S. dollar. This finding might be linked to interventions targeting the loss in domestic producers’ competitiveness in global markets. Interestingly, in the case of developed countries, we find this adverse effect on exchange rate volatility also for small absolute misalignments; exchange rate movements close to equilibrium may be associated with ambiguity with respect to future movements in developed countries, which can result in higher exchange rate volatility. Further, the results suggest that, when the dollar is highly undervalued, capital flows have a stabilizing effect on exchange rate volatility in developed countries but a destabilizing effect in developing countries. The finding is consistent with investors’ strategy of taking exchange rate overvaluation and undervaluation into account when engaging in cross-border investments. 相似文献
198.
A study of investor behavior, using four investor groups (local, foreign, institutional, and dealer's accounts) on the Stock Exchange of Thailand (SET). The daily net purchases of each group are used as leading indicators for sentiment. The sentiments are examined with relation to each other and market returns. Eight proven macroeconomic factors with known cross-sectional relationships and known to forecast with returns are examined as a benchmark for the newly proposed sentiment factor model. Retesting the factors allows for an apples to apples comparison with the proposed sentiment factors. Using a VAR framework this research finds that dealers predominantly sell to institutional accounts, creating a negative correlation between the two groups, in addition to strong institutional herding which is all indicative of potential agency problems on the exchange. Also find that local individual accounts practice negative feedback trading and the other groups practice positive feedback trading. Of the four groups, the only group that influences the SET is the local individual group of investors. The foreign investor is found to be the least significant group on market returns, provide market liquidity to locals, and be the least responsive to daily market changes-following the prudent man rule. Lastly, propose a simple model, using investor behavior to accurately predict the market's direction for the following day 76 percent of the time with market timing ability (66 percent in Malaysia). This can be useful for buying and shorting the market. 相似文献
199.
Current studies indicate that the most accurate predictor of actual buying behaviour is consumer attitudes (Glendon and McKenna, Human Safety and Risk Management , London: Chapman and Hall, 1995). This study seeks to investigate questions relating to the extent to which attitudes on safety and risk issues are critical to safety-related behaviour. The dispositional view of human behaviour implies behavioural consistency across different behaviours performed in different situations, as long as the behaviours are instances of the same underlying disposition. The present study tests this hypothesis in relation to health and environmental behaviour. Both direct and indirect effects are investigated. An additional aim was to test for gender differences as well as differences due to age and educational level. The results are based on survey data of a representative sample of the Norwegian population given self-completion questionnaires during the period 1997-98. A total of 1450 respondents replied to the questionnaire. Health attitudes and the Health Value Scale correlated strongly with health behaviour and environmental concern with environmental behaviour. Attitude towards illness prevention was important for both behavioural dimensions. Health behaviour influenced environmental behaviour in an indirect way, through health attitudes. The results imply that it can be useful to study dispositional concepts. When appropriately applied, they yield useful information. It is important to focus on specific attitudes and related specific behaviours in order to change behavioural practices. In addition, it seems possible to change environmental and consumer behaviour through changing health 相似文献
200.
This study investigates the time series behavior of real estate company net asset value discount/premium (NAVDISC) in eight
Asian-Pacific securitized real estate markets from 1995 to 2003. We postulate that if there is a stable NAVDISC for real estate
companies in the long-run, then there should be a long-run cointegrating relation between their stock prices (Ps) and net
asset values (NAVs). Employing panel data cointegration econometrics that comprises three approaches; panel unit root test,
heterogeneous panel cointegration test and dynamic panel error-correction modeling (ECM), we find that long run NAVDISCs persist
in individual Asian-Pacific securitized real estate markets and the regional market. All the NAVDISCs exhibit mean reversion
and that the respective disequilibrium errors fluctuate around the mean values. Moreover, NAV is an important factor that
statistically explains the price variations in real estate stock prices regardless of their speed of mean-reversion in the
NAV discount /premium. 相似文献