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排序方式: 共有462条查询结果,搜索用时 31 毫秒
1.
高等学校特别是高职院校学生欠费问题已成为高校中一个十分突出的问题。本文就高职院校学生欠费的原因进行了分析和思考,并对解决学生欠费问题提出了相应的措施和对策。  相似文献   
2.
Sedentary behaviour (SB) has recently emerged as an independent risk factor for different health outcomes. Older adults accumulate long time in SB. Understanding the role that SB plays on health is crucial for a successful aging. This short systematic review summarizes the current evidence related to the effects of objectively measured SB on frailty, physical performance and mortality in adults ≥60?years old. The literature search produced 271 records for physical performance (n?=?119), frailty (n?=?31), and mortality (n?=?121). Finally, only 13 articles fulfilled the inclusion criteria and were included in this review. All articles but one included in the physical performance section (n?=?9) showed a negative association between longer time spent in SB and physical performance. A significant association of SB with higher odds of frailty was found, however this association disappeared after adjusting for cognitive status. Lastly, two of the three included studies showed positive associations between SB and mortality, but this effect decreased or even disappeared in the more adjusted models. In conclusion, there is consistency that SB is negatively associated with physical performance. However, the relationship between objectively measured SB and frailty incidence and mortality rates remains unclear and deserves further research. The use of homogenous criteria to assess SB and the inclusion of more robust research designs will help clarifying the independent effects that SB could have on physical performance, frailty, and mortality. This will ultimately help designing more efficient and comprehensive physical activity guidelines for older adults.  相似文献   
3.
Sprint and distance running have experienced remarkable performance improvements over the past century. Attempts to forecast running performances share an almost similarly long history but have relied so far on relatively short data series. Here, we compile a comprehensive set of season-best performances for eight Olympically contested running events. With this data set, we conduct (1) an exponential time series analysis and (2) a power-law experience curve analysis to quantify the rate of past performance improvements and to forecast future performances until the year 2100. We find that the sprint and distance running performances of women and men improve exponentially with time and converge at yearly rates of 4% ± 3% and 2% ± 2%, respectively, towards their asymptotic limits. Running performances can also be modelled with the experience curve approach, yielding learning rates of 3% ± 1% and 6% ± 2% for the women's and men's events, respectively. Long-term trends suggest that: (1) women will continue to run 10–20% slower than men, (2) 9.50 s over 100 m dash may only be broken at the end of this century and (3) several middle- and long-distance records may be broken within the next two to three decades. The prospects of witnessing a sub-2 hour marathon before 2100 remain inconclusive. Our results should be interpreted cautiously as forecasting human behaviour is intrinsically uncertain. The future season-best sprint and distance running performances will continue to scatter around the trends identified here and may yield unexpected improvements of standing world records.  相似文献   
4.
山西普通高校现行的学费收费标准是2000年制定的。目前,山西高等教育系统内部呼吁,要适当提高学费收费标准。学费收费标准问题既是一个经济问题,又是一个政治问题。山西普通高校同学科、同专业现行学费收费标准与其他省份比确实存在收费低的问题,可研究解决。但从长远看,解决高校经费不足,最终还要靠拓宽经费来源渠道来解决。  相似文献   
5.
Barack Obama's My Brother's Keeper is designed to narrow persistent gaps that boys and young men of color confront often and to help all young people achieve their potential in college and career. An important part of this initiative is comprehensive mentoring that supports students in schools and in communities. Because ethnic-minority students have extremely low graduation rates in high school and college, an essential question is addressed: Can My Brother's Keeper and similar initiatives with a mentoring component be effective in helping minority students to achieve success in elementary and secondary schools and in college?  相似文献   
6.
阐述我国高校收费的必要性和可行性,对我国目前高校收费额度存在的问题进行分析,最后提出了解决高校学费给贫困生造成影响的一些对策。  相似文献   
7.
研究生学费定价与资助政策   总被引:15,自引:0,他引:15  
研究生教育应当收取学费,学费定价与资助政策应建立在研究生教育是私人产品的基础上,学费是学校根据学生对研究生教育的需求以及劳动力市场需求所确定的市场化价格。研究生学费定价与资助政策应同时考虑以下因素:(1)基础研究是典型的纯公共产品,应用研究有更多的私人产品的属性。(2)研究生教育所颁授学位分为学术性与职业性学位两类。(3)不同的研究生教育方式具有不同的成本特点,教育过程可以明确划分为以课堂教学为主和以研究为主两个阶段。(4)国防研究生教育属于典型的纯公共产品,国防领域的研究与发展以及高级军事人才的培养属于纯公共产品范畴。(5)财政经费给予研究生资助的主要性质应当是研究生工作的工资。这一理论可称为多因素市场决定论。  相似文献   
8.
在一种非对称损失下,构造了一类单边截断型分布族参数的经验Bayes检验,建立其收敛速度,在一定条件下证明了它的收敛速度可以任意接近于1/2。最后给出满足定理条件的一个例子。  相似文献   
9.
教育质量是成人函授教育能否健康发展的主要因素.本就成人函授教育现行存在的问题,从函授教学管理、考勤管理、考试管理等方面为切入点,探讨了提高函授教学质量的途径.  相似文献   
10.
随着社会经济成份、组织形式、利益关系等日益多样化,人们的思想观念、思维方式和价值取向也日益呈现出多元的发展趋向,尤其是受社会不良风气的影响,大学校园里也充斥着许多虚伪丑陋的现象,大学生有意欠费之风便是其中之一。本文从大学生有意欠费的心理因素入手进行分析,研究少数大学生有意欠费现象,并就大学生的诚信教育问题谈一些初浅的看法。  相似文献   
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