城市农民工思想政治工作存在的问题和成因分析——以昆明市和大理市为例

国家高度重视农民工问题,各级地方政府也积极开展了一些工作,但农民工思想政治工作还存在诸多困难和问题。文章结合调查研究的情况,分析农民工思想政治工作在思想认识、工作队伍、工作主体、工作内容、工作方法、工作环境等方面存在的突出问题和困难;从国家层面、社会层面、群体层面分析农民工思想政治工作存在困难和问题的深层次原因。     

A New Method for the Estimate of Global Optimum Value

１　ＩｎｔｒｏｄｕｃｔｉｏｎＡｌｔｈｏｕｇｈｍａｎｙｎｏｎｌｉｎｅａｒｐｒｏｇｒａｍｍｉｎｇａｌｇｏｒｉｔｈｍｓｗｉｌｌｏｂｔａｉｎａｌｏｃａｌｓｏｌｕｔｉｏｎｆｏｒａｎｏｐｔｉｍｉｚａｔｉｏｎｐｒｏｂｌｅｍ，ｔｈｅｍａｉｎｄｉｆｆｉｃｕｌｔｙｗｉｔｈｔｈｅｓｅｍｅｔｈｏｄｓｉｓｔｈａｔｔｈｅｌｏｃａｌｍｉｎｉｍａｗｈｉｃｈｔｈｅｙｏｂｔａｉｎｍｉｇｈｔｎｏｔｂｅｇｌｏｂａｌ．Ａｃｔｉｖｅｒｅｓｅａｒｃｈｄｕｒｉｎｇｔｈｅｐａｓｔｔｈｒｅｅｄｅｃａｄｅｓｈａｓｐｒｏｄｕｃｅｄａｖａｒｉｅｔｙ…     

浅议英语写作教学中的教师评语

评语是老师批改作文常用的方法之一。老师通过写评语给学生提供作文的反馈信息,学生根据评语修改或重写作文,给老师提供评语的信息反馈。有效的评语极大地激发学生英语写作的热情,帮助他们生成自己的思想,并有针对有目的地对写作进行修改。本文讨论了教师评语的写作原则和写作步骤,并提出写评语要注意的几个问题。     

The ninth-mode sectorial oscillation of acoustically levitated drops

We report on the ninth-mode sectorial oscillation of acoustically levitated drops excited by actively modulating sound pressure. A numerical computation based on the level set method was performed to model drop shape evolution by solving an incompressible two-phase flow problem. The calculated shapes of the oscillating drop are in good agreement with experimental observations. The relationship between the oscillation frequency and parameters describing the flattened drops is studied both experimentally and numerically. The frequency of the ninth-mode sectorial oscillation decreases with increasing equatorial radius and can be well-described by a modified Rayleigh equation.     

BAP31 is frequently overexpressed in patients with primary colorectal cancer and correlates with better prognosis

We previously showed that B cell receptor associated protein 31(BAP31) was significantly upregulated in colorectal cancer compared with normal mucosa epithelia. However, its expression pattern and pathological role in colorectal cancer are not clearly understood. In this study, we investigated whether the expression of BAP31 was associated with the clinicopathological parameters of colorectal cancer. The expression pattern of BAP31 was detected by immunohistochemistry on a tissue microarray in both primary ...     

Thermodynamics of the long range assembly of safranine T on molecular surfaces of nucleic acids

Ｔｈｅｓｔｕｄｙｏｆｔｈｅｓｕｐｒａｍｏｌｅｃｕｌａｒｒｅｃｏｇｎｉｔｉｏｎｏｆｏｒｇａｎｉｃｄｙｅｓｗｉｔｈｂｉｏｌｏｇｉｃａｌｍａｃｒｏｍｏｌｅｃｕｌｅｓｈａｓｂｅｃｏｍｅａｎｉｎｃｒｅａｓｉｎｇｌｙｉｎｔｅｒｅｓｔｅｄｒｅｓｅａｒｃｈｆｉｅｌｄ...     

Interactions of pyrogallol red with proteins and the determination of proteins by resonance light-scattering

Ｉｔｉｓｖｅｒｙｉｍｐｏｒｔａｎｔｔｈａｔｔｈｅｄｅｔｅｒｍｉｎａｔｉｏｎｏｆｐｒｏｔｅｉｎｃｏｎｃｅｎｔｒａｔｉｏｎｓｉｎｃｌｉｎｉｃａｌｔｅｓｔｓａｎｄｌａｂｏｒａｔｏｒｙｐｒａｃｔｉｃｅ．Ｕｐｔｏｎｏｗ，ｔｈｅｒｅｈａｖｅｂｅｅｎｍａｎｙｍｅ...     

Allocation of power generating and shipping of Hanjiang upstream cascade

1Generalsituationofthecascades1.1Cascadeshydropowerplants HanjiangRiverisoneofthelongesttributariesof YangtseRiver,originatingfromNingqiangcountyof ShaanxiprovinceandflowingthroughShaanxi provinceandHubeiprovince.HanjiangRiveris1567kmlongintotal,and709kmofitinShaanXi provincerunsthroughHanzhongandAnkangregions fromtheeasttothewest.TheupperreachesofHanjiangfromYangxian countytoBaihecountyinShaanxiprovinceis443km long,anditstotalheadfallsisabout280mhigh.Withabundantwaterpowerresources,its…