首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   946篇
  免费   77篇
各国政治   77篇
工人农民   26篇
世界政治   56篇
外交国际关系   67篇
法律   462篇
中国政治   20篇
政治理论   308篇
综合类   7篇
  2023年   11篇
  2022年   7篇
  2021年   11篇
  2020年   28篇
  2019年   32篇
  2018年   43篇
  2017年   65篇
  2016年   43篇
  2015年   35篇
  2014年   31篇
  2013年   152篇
  2012年   32篇
  2011年   39篇
  2010年   41篇
  2009年   30篇
  2008年   30篇
  2007年   32篇
  2006年   35篇
  2005年   21篇
  2004年   34篇
  2003年   20篇
  2002年   23篇
  2001年   13篇
  2000年   18篇
  1999年   13篇
  1998年   13篇
  1997年   13篇
  1996年   13篇
  1995年   10篇
  1994年   6篇
  1993年   12篇
  1992年   12篇
  1991年   12篇
  1990年   10篇
  1989年   7篇
  1988年   3篇
  1987年   8篇
  1986年   10篇
  1985年   8篇
  1984年   5篇
  1983年   4篇
  1982年   4篇
  1981年   4篇
  1980年   4篇
  1978年   4篇
  1977年   4篇
  1975年   2篇
  1973年   2篇
  1972年   6篇
  1970年   2篇
排序方式: 共有1023条查询结果,搜索用时 0 毫秒
51.
This article considers the design of grants to offset fiscaldisparities. We define a fiscal disparity as a condition inwhich towns must levy a different tax rate in order to providethe same level of public services. We consider ways of measuringdisparities, as well as ways of allocating grants to alleviatedisparities. In order to focus the presentation, we concentrateon lump-sum grants for unrestricted use from a state governmentto general purpose local governments within that state. We concludeby presenting an example of a grants formula for the state ofNew Jersey which meets our specifications.  相似文献   
52.
53.
The use of ortho- and para-phenylenediamine (OPD & PPD respectively) for the enhancement of fingerprints in blood has been investigated. Optimal pH conditions and H2O2 concentrations have been determined using UV/Vis spectroscopy. Both OPD and PPD are effective and less hazardous alternatives to the presently used 3,3'-diaminobenzidine (DAB) for the development of blood fingerprints, especially on porous surfaces. The orange color of OPD and the purple color of PPD offer alternative colors to the brown color of DAB and the light green color of ABTS for standing out against particular backgrounds. Both OPD and PPD can be used after ninhydrin treatment, but the reverse is not the case.  相似文献   
54.
Ketosis occurs in ketoacidosis or malnourishment. When either is suspected in relation to a death, it may be important to analyze for ketosis at autopsy. We encountered a case where starvation was suspected in a deceased nursing home resident, where the body had been embalmed prior to autopsy. Gas chromatography (GC) was unable to separate acetone from formaldehyde, a component of embalming fluid. The Acetest is a simple test that can detect acetone and acetoacetate in body fluids. We validated the Acetest with GC on vitreous. The Acetest and GC were consistent except at very low levels of acetone or acetoacetate. The sensitivity of the Acetest for acetoacetate in vitreous was 10 mg/dL, consistent with early starvation. Significant interference from embalming fluid did not occur. The Acetest was negative in the described case. The Acetest is a simple and useful test for the detection of ketosis in embalmed autopsies.  相似文献   
55.
56.
57.
The suggestion that power line electromagnetic fields (EMFs) cause diseases like cancer has generated dozens of popular articles and television news segments, hundreds of scientific studies, and numerous consensus reports; it has attracted the attention of epidemiologists, biologists, physicists, policymakers and lawyers. This article will examine the evolution of this controversy through a detailed analysis of the arguments that have been used for and against the hypothesis that power line EMFs have adverse health effects. This article argues that the power line EMF issue provides a classic case study for exploring the challenges citizens, scientists, and policymakers face in sorting out a complex science‐based controversy. This story not only brings together many different perspectives and—from popular notions of cancer clusters to complex epidemiological arguments, from to state‐of‐the‐art animal studies to policy instruments such as the precautionary principle—but also reveals the manner in which a heated controversy can be effectively resolved over time.  相似文献   
58.
Playing with Fire: The Civil Liberties Implications of September 11th   总被引:1,自引:0,他引:1  
The aftermath of September 11th has seen a worrisome rise in invasive surveillance measures. Both adopted by statute and initiated by agencies, these provisions provide unprecedented powers for government agents to investigate suspects and search individuals, whether they are directly involved in terrorism or not. The prevailing wisdom has been that the American people will accept these restrictions as the natural cost of heightened security, and initial evidence suggests the public has been willing to tolerate greater limits on civil liberties. However, over time such support will erode, leaving in place permanent restrictions on civil liberties that not only will concern Americans, but also may turn them against government officials and civic participation. Thus, contrary to many interpretations of September 11th, this article argues that the policy response has only sown the seeds for greater detachment from and dissatisfaction with government as the public becomes increasingly separated from the workings and operations of public policy.  相似文献   
59.
Nicholas Buttle 《政治学》1997,17(3):147-152
In this article I defend a broadly Rawlsian interpretation of citizenship which combines both liberal and republican themes to provide an account of citizenship which is more appropriate for modern democracies than alternative interpretations, such as that offered by communitarian critics of political liberalism. Liberal republicanism, I argue, gives a convincing interpretation of the nature and value of citizenship and provides the basis for a radical political agenda.  相似文献   
60.
Curbing Corruption: The Elusive Search for a Cure   总被引:1,自引:0,他引:1  
  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号