作为导师角色的达尔

本文是一篇纪念罗伯特?达尔的文章。本文的意义不仅在于我们如何了解达尔的民主理论,而且,对于如何指导政治思想领域的研究生进行写作和研究,亦有着重要的意义。感谢耶鲁大学麦克米兰中心主任伊恩?夏皮罗（Ian Shapiro）教授推荐并提供本文。     

A preliminary evaluation of VEGF-A,VEGFR1 and VEGFR2 in patients with well-controlled type 2 diabetes mellitus

Objective

Decompensated chronic hyperglycemia often leads to late microvascular complications such as retinopathy, diabetic foot syndrome, and diabetic kidney disease. The aim of this study was to determine the concentration of vascular endothelial growth factor A (VEGF-A) and its receptors in patients with well-controlled diabetes.

Methods

The study was conducted on 31 patients with well-controlled type 2 diabetes without micro-or macroangiopathy. Thirty healthy volunteers were enrolled in a control group. Serum concentrations of VEGF-A, VEGF receptors 1 and 2 (VEGFR1 and VEGFR2), fasting glucose, and lipid profiles were measured, and the plasma concentration of glycated hemoglobin (HbA1c) was determined.

Results

No significant differences were observed between the concentration of VEGF-A, VEGFR1 or VEGFR2 in the subject group and that in the control group. Positive correlations were noted between the levels of VEGF-A, VEGFR2, and triglyceride, and there was a negative correlation between the levels of VEGFR2 and high-density lipoprotein (HDL)-cholesterol in the study group.

Conclusions

The concentrations of VEGF-A and its receptors 1 and 2 in patients with well-controlled diabetes are comparable to those of healthy individuals, which may indicate that appropriate control of glucose levels delays the occurrence of vascular complications. A negative correlation between VEGFR2 and HDL-cholesterol levels, and positive correlations between VEGF-A, VEGFR2, and triglyceride levels, suggest that lipid abnormalities occurring in diabetes may be involved in the modulation of angiogenesis.     

阿扎提·苏里坦与维吾尔当代文学研究

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铁木耳传略

铁木直的一生是传奇的一生,同时也是一部描写受压迫与反压迫的史书,通过对铁木真英雄事迹的研究,可以使我们更好的缅怀历史英雄,吸取历史教训。     

中欧体育健康项目“健康儿童?健康社会”研究

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群体情绪凝聚及其产生机制

Group emotional convergence refers to the phenomenon that group members come to consistent emotional experience in a group over the time. In the previous studies, group emotional convergence may be attributed to the following reasons: First, group norms dramatically allow group members to experience the consistent emotion; second, group members would consider questions from the perspective of a group rather than their own while group identity is induced, therefore experiencing consistent emotions; third, individuals in a group would simulate others’ emotion automatically; and finally, group members may compare their own emotion with others’ in the fuzzy situation to adjust their own emotion, trying to be consistent especially when being inconsistent with others. Such factors as individual traits, group characteristics, group tasks and initial emotional states are likely to affect the group emotional convergence. This research suggests that future research is needed to investigate the boundary conditions of the above-mentioned four mechanisms. It is also needed to explore the group emotional convergence in groups with larger size and in situations where members share strong emotional events.     

浅谈柔性搭板技术在路桥工程中的设计与应用

路桥的过渡段是公路工程中的关键环节,路桥过渡段的质量是否过关,直接影响着公路的安全性能。刚性的路桥结构和柔性的路堤,在大量车辆行驶过程中,会产生差异沉降,这样一来会缩短路桥过渡段路面的使用寿命,增加了维修的成本费用。而在路桥工程中利用柔性搭板技术,利用土工格室的加固原理,使刚性桥台和柔性路基模量能够平稳的过渡,从而保障路面的使用年限。     

科学制定和认真实施“十一五”发展规划

“十一五”时期是全面建设小康社会的关键时期,也是推进我国出版业全面繁荣和健康发展的关键时期。党的十六届五中全会通过的《中共中央关于制定国民经济和社会发展第十一个五年规划的建议》,综合分析未来五年我国所处发展阶段、发展趋势、发展条件和所面临的矛盾与挑战,从全面     

语文课堂,有爱相伴

爱恋是每个人都有的精神需求,爱情诗句在初中语文教学中普遍存在,在课堂教学中引导初中生在爱恋中认识美、形成美的人格是当代教师的责任与义务。     

“如何认识科学”（三）：大卫?凯里对玛格丽特?劳科的访谈

生物学与文化之间有着千丝万缕的联系。文化不仅能解释生物学,而且可以重塑生物学。在地域、环境、历史、传统和观念等方面,都表现出生物与文化的彼此交织和互相影响。这种联系和影响也进一步拓宽了生物学和文化研究的新领域。