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人力资本专用性、学生流失率对企业参与校企合作紧密程度影响的实证研究 被引量:13
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作者 殷志扬 冉云芳 钱鑫 《教育与经济》 CSSCI 北大核心 2019年第4期78-88,共11页
基于人力资本专用性角度,构建了影响企业参与高职院校校企合作紧密程度的理论模型,并通过走访江苏省53家高职院校以及502家合作企业所获得的483份调查问卷,实证检验了人力资本专用性、顶岗实习学生流失率对企业参与校企合作紧密程度的... 基于人力资本专用性角度,构建了影响企业参与高职院校校企合作紧密程度的理论模型,并通过走访江苏省53家高职院校以及502家合作企业所获得的483份调查问卷,实证检验了人力资本专用性、顶岗实习学生流失率对企业参与校企合作紧密程度的影响。结果表明:第一,企业对专用性人力资本的要求越高,越倾向于采用“深层次”的合作方式,在其他条件保持不变时,当企业对人力资本专用性的要求每提高一个单位,企业选择“深层次”合作的概率是之前的 5.273倍。第二,顶岗实习学生流失率越高,企业越倾向于选择“浅层次”校企合作,在其他条件保持不变时,当学生流失率每增加一个等级,企业选择“深层次”合作的概率是之前的0.105倍。第三,虽然大型企业对人力资本专用性的重视程度高于中小型企业,但对于中小型企业而言,人力资本专用性对其参与高职院校校企合作紧密程度的影响更大。 展开更多
关键词 高职院校 校企合作 人力资本专用性 顶岗实习 学生流失率 紧密程度
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The Pork Consumption Characteristics of Chinese Urban Residents: The Outlook for 2020
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作者 zhiyang yin Teresa Briz Kai Wang 《Journal of Food Science and Engineering》 2016年第1期11-20,共10页
China has the highest pork consumption in the world. As incomes increase and the urbanization process accelerates, the consumption of pork by Chinese residents will continue to grow. This paper studies the proportion ... China has the highest pork consumption in the world. As incomes increase and the urbanization process accelerates, the consumption of pork by Chinese residents will continue to grow. This paper studies the proportion of the household pork consumption account and examines the use of apparent pork consumption as a bridge that links consumption and production. Based on the pork consumption of urban and rural residents from 2000 to 2012, combined with per capita income, the total population and the rate of urbanization, we can analyse China's market demand in the pork trade for 2020, which will be useful for countries who are interested in potential trade with China. The research shows two important findings: First, with the per capita income of urban residents increasing, their per capita pork consumption is also on the rise, and as increasing numbers of rural residents move to urban areas with the acceleration of urbanization in China, the urban areas will be the most important pork market in the future. Secondly, the per capita pork consumption of rural residents will still be lower than that of urban residents in 2020, so there will be more room for growth in pork consumption in rural areas. 展开更多
关键词 MEAT CONSUMPTION rural and urban FORECAST 2020
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Spontaneous Regional Brain Activity in Healthy Individuals is Nonlinearly Modulated by the Interaction of ZNF804A rs1344706 and COMT rs4680 Polymorphisms
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作者 Lingling Cui Fei Wang +9 位作者 Miao Chang zhiyang yin Guoguang Fan Yanzhuo Song Yange Wei Yixiao Xu Yifan Zhang Yanqing Tang Xiaohong Gong Ke Xu 《Neuroscience Bulletin》 SCIE CAS CSCD 2019年第4期735-742,共8页
ZNF804A rs1344706 has been identified as one of the risk genes for schizophrenia.However,the neural mechanisms underlying this association are unknown.Given that ZNF804A upregulates the expression of COMT,we hypothesi... ZNF804A rs1344706 has been identified as one of the risk genes for schizophrenia.However,the neural mechanisms underlying this association are unknown.Given that ZNF804A upregulates the expression of COMT,we hypothesized that ZNF804 A may influence brain activity by interacting with COMT.Here,we genotyped ZNF804A rs1344706 and COMT rs4680 in 218 healthy Chinese participants.Amplitudes of low-frequency fluctuations(ALFFs)were applied to analyze the main and interaction effects of ZNF804A rs1344706 and COMT rs4680.The ALFFs of the bilateral dorsolateral prefrontal cortex showed a significant ZNF804A rs1344706 x COMT rs4680 interaction,manifesting as a U-shaped modulation,presumably by dopamine signaling.Significant main effects were also found.These findings suggest that ZNF804A affects the resting-state functional activation by interacting with COMT,and may improve our understanding of the neurobiological effects of ZNF804A and its association with schizophrenia. 展开更多
关键词 Zinc FINGER protein 804A CATECHOL-O-METHYLTRANSFERASE AMPLITUDES of LOW-FREQUENCY fluctuations fMRI
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