考虑服务水平的两级供应链系统信号博弈研究     

姚树俊 《科技管理研究》2012,32(6):210-213

针对由供应商和制造商构成的两级供应链系统,在不完全信息条件下,建立以服务水平作为传递信号的供应链动态博弈模型,分析供应链信号博弈中分离均衡的实现过程及存在条件,最终给出分离均衡下供应链质量管理的有效对策。研究表明,制造商能够根据获取的服务质量信号,对供应商的潜在行为进行分析,选择最佳的应对策略,降低自身的运营风险,增强供应链合作的稳定性。  相似文献   

终极控股权、控制层级与经济增加值——基于北京上市公司数据     

王雪梅 《软科学》2012,26(2):113-118

按照终极控股权和控制层级理论,将北京109家样本公司分为八类。用EVA验证各类公司的价值创造能力,结果得出:样本公司2009年的平均EVA值偏低,均值为0.03%;终极控股股东性质对EVA的影响不显著,控制层级与EVA显著负相关;非政府一级控股公司EVA值最高,其次是政府二级控股公司,他们显著优于政府控股四级控股公司和非政府三级控股公司。  相似文献   

Association of Inflammatory Biomarker C-Reactive Protein, Lipid Peroxidation and Antioxidant Capacity Marker with HbF Level in Sickle Cell Disease Patients from Chattisgarh     

Sanjana Bhagat  Pradeep Kumar Patra  Amar Singh Thakur 《Indian journal of clinical biochemistry : IJCB》2012,27(4):394-399

This study was undertaken to determine the association of inflammatory biomarker, oxidative stress and antioxidant capacity marker with fetal haemoglobin (HbF) level among sickle cell trait and sickle cell disease (SCD) patients in Chattisgarh. The study group consisted of 51 SCD (SS) patients with painful episode, 49 SCD (SS) patients with steady state, 50 sickle cell trait (AS) and 50 controls. Malondialdehyde (MDA), CRP, total antioxidant power (FARP), total thiol and HbF levels were quantified. We found a significant positive (p < 0.0001) association between CRP and MDA levels and its inverse association with HbF level in SS patients. We also observed that antioxidant capacity had significantly positively (p < 0.0001) associated with HbF level. The protective effect of HbF was found, because the increase in HbF levels resulted in decrease in lipid peroxidation and inflammation in SCD patients. A decrease in the HbF level and its antioxidant capacity has been associated with the pathogenesis of SCD. These finding may explain the high level of HbF is ameliorating oxidative stress and inflammation in SCD patients.  相似文献   

Impact of Chronic Lead Exposure on Selected Biological Markers   总被引：1，自引：0，他引：1  

Ambica P. Jangid  P. J. John  D. Yadav  Sandhya Mishra  Praveen Sharma 《Indian journal of clinical biochemistry : IJCB》2012,27(1):83-89

Lead poisoning remains a major problem in India due to the lack of awareness of its ill effects among the clinical community. Blood lead, δ-aminolevulinic acid dehydratase (δ-ALAD) and zinc protoporphyrin (ZPP) concentrations are widely used as biomarkers for lead toxicity The present study was designed to determine the impact of chronic lead exposure on selected biological markers. A total of 250 subjects, of both sexes, ranging in age from 20 to 70 years, were recruited. On the basis of BLLs, the subjects were categorized into four groups: Group A (BLL: 0–10 μg/dl), Group B (BLL: 10–20 μg/dl). Group C (BLL: 20–30 μg/dl) and Group D (BLL: 30–40 μg/dl) having BLLs of 3.60 ± 2.71 μg/dl, 15.21 ± 2.65 μg/dl, 26.82 ± 2.53 μg/dl and 36.38 ± 2.83 μg/dl, respectively. Significant changes in biological markers due to elevated BLLs were noted. The relation of BLL and biological markers to demographic characteristics such as sex, habits, diet and substances abuse (smoking effect) were also studied in the present investigation. Males, urban population, non-vegetarians, and smokers had higher blood lead levels. δ-ALAD activity was found to be significantly lower with increased BLL (P < 0.001), while the ZPP level was significantly higher with increased BLL (P < 0.001). Further, BLL showed a negative correlation with δ-ALAD (r = −0.425, P < 0.001, N = 250) and a positive correlations with ZPP (r = 0.669, P < 0.001, N = 250). Chronic lead exposure affects the prooxidant-antioxidant equilibrium leading to cellular oxidative stress.  相似文献   

减排视角下企业的最优研发与补贴          下载免费PDF全文

宋之杰  孙其龙 《科研管理》2012,33(10):80-89

以博弈论为理论基础,构建了研发补贴与污染排放税收下的企业研发模型,研究了减排目标下企业的最优研发水平、最优研发补贴和最优污染排放税收。研究结果显示:适当的污染排放税收有利于企业研发投入和产量的提高;研发补贴不会对企业的研发投入产生"排挤效应",可以较大程度上提高企业研发投入的积极性;企业对环境的污染需控制在社会可接受收的范围内,否则,企业的生产活动会被政府停止。  相似文献   

物联网产业发展水平指标体系构建   总被引：3，自引：1，他引：2  

何佳泓  郑淑蓉 《科技管理研究》2012,(15):64-68

从物联网产业网络发展水平、装备水平、研发能力、市场应用水平和总量水平等五个方面选取18个二级指标构建我国物联网产业发展水平的指标体系,为今后测量我国及地区物联网产业发展水平,提供一个较为科学的理论基础。  相似文献   

谈CUBA中国大学生篮球联赛技术水平变化     

宋鸽  李芃松 《辽宁体育科技》2012,34(4):66-69

采用数理统计法,对CUBA中国大学生篮球联赛十几年来的技术统计数据进行整理和分析,了解十几年来CUBA的巨大变化,旨在促进未来CUBA联赛的竞技水平能够得到更大提高和发展,为我国培养更多的、高素质的篮球后备人才提供参考.  相似文献   

基层政府绩效与受灾群众满意度的关系     

陆奇斌  张强  张欢  周玲  张秀兰 《北京师范大学学报(社会科学版)》2010,(4):120-128

选择四川省汶川地震某受灾城镇492名居民作为研究对象,采用路径分析方法研究巨灾应对的应急处置阶段和恢复重建阶段基层政府的绩效与受灾群众满意度之间的关系。结果显示,应急处置阶段的基层政府绩效对受灾群众的累积满意度没有直接影响,而是通过恢复重建阶段间接加以影响;无论是应急处置阶段还是恢复重建阶段,基层政府的能力都是影响受灾群众满意度的关键因素;工作效率对受灾群众的满意度影响不显著。因此,基层政府的治理能力建设是提升受灾群众累积满意度的关键要素,同时灾区建设不应将效率作为基层政府绩效评价的主要指标。  相似文献   

基于灰色关联投影的陕南县域城镇化水平评价及对策研究     

王晓欢  王晓峰  张晖  常俊杰 《宁夏师范学院学报》2010,31(6):62-68

以陕南28个县区为研究对象,通过构建人口、经济、社会生活为一体的县域城镇化发展水平综合评价指标,采用熵权法确定权重,建立了陕南县域城镇化灰色关联投影模型;运用spss17.0和ArcGIS分别进行聚类分析和空间分析,从空间尺度对陕南县域城镇化水平进行综合评价.结果表明：陕南县域城镇化水平普遍较低,发展不均一.针对研究结果,从环境优先,扶持特色城镇,搞好基础设施建设,管理创新等方面提出加快陕南县域城镇化发展的对策,有利于陕南经济的可持续发展.  相似文献   

基层法官如何回应农村司法——以秦镇法庭为例     

丁卫 《江西师范大学学报(哲学社会科学版)》2010,43(1):97-101,128

基层法官处于司法实践工作的最前沿,其司法活动对于推动中国法治进程具有相当重要的意义。以秦镇人民法庭为例,本文分析了压力型体制之下基层法官的组成结构及其来源、工作模式与审判实践,进而讨论了农村社会经济发展对于司法的巨大需求。  相似文献