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排序方式: 共有233条查询结果,搜索用时 15 毫秒
221.
This article analyses the factors and processes involved in democratizing the armed forces of Spain, Greece and Portugal in the 1970s and 1980s. After a brief comparative review of the history of civil‐military relations in the three countries, the article examines the role of societal, institutional (military professional) and international factors in the democratisation process. The article concludes that military professionalism can be a stimulant to intervention and de‐intervention, depending on societal considerations and the perceptions of the military at a given time. Explanations accounting for military democratisation can be found at the level of value‐congruency between society (including the international arena) and the armed forces.  相似文献   
222.
Studies explaining immigrant integration policies commonly focus on single aspects such as right-populist party politics or the immigration legacy of a country. This neglects the overall character of the democratic system within which policy-making unfolds. Research on empirical patterns of democracy, in turn, suggests that consensus democracies pursue ‘kinder and gentler’ policies and outperform majoritarian democracies in terms of minority representation. The article tests whether this conclusion holds for the specific group of immigrant minorities and analyses the relationship between patterns of democracy and immigrant integration policy using a new dataset on empirical democracies in 30 European and North American countries. Simultaneously estimating the character of democratic systems in terms of power dispersion and its effect on integration policies, the analysis reveals a distinct ‘Janus-faced’ pattern: while proportional power dispersion tends to coincide with more inclusive immigrant integration policies, pronounced veto structures tend to foster exclusion.  相似文献   
223.
用拉曼光谱检验黑火药   总被引:2,自引:0,他引:2  
目的 建立黑火药成分定性的方法.方法 利用拉曼光谱仪对黑火药进行检验.结果 黑火药中的3种主要成分硝酸钾、硫磺、碳均能被准确检出;结论 拉曼光谱能很好地对黑火药进行定性分析.  相似文献   
224.
目的对新型荧光502粉末显现非渗透性光滑客体表面潜手印的一步荧光502显现新技术和传统502胶水熏显+荧光染料染色显现手印技术进行比较研究。方法比较实验研究,对荧光502粉末和502胶水使用同一自动熏显柜先后进行熏显,荧光502粉末熏显结束后直接在蓝光灯下激发进行观察和拍照;502胶水在熏显完成和聚合物完全固化后使用罗丹明6G和BBD溶液进行荧光染色,再进行光致荧光照相。结果一步熏显和二次染色的显现效果基本相同,但两者的显现效果也因检材性质和遗留时间的不同而存在一些差别。结论新型荧光502粉末可以作为一种显现非渗透性光滑客体表面上潜手印的常用方法,尽管新方法对某些客体的显现效果并不好,但对大多数客体来说,其显现效果并不弱于二次染色的方法,并且使用新型荧光502粉末进行一步熏显不会引入有机溶剂,不会引起502聚合物的溶解或造成破坏,确保了纹线及其细节特征不被损坏,也避免了染色后因漂洗不当使手印纹线被冲掉的可能,还不会破坏脱落细胞等生物检材。  相似文献   
225.
目的探索新的手印显现方法,祛除传统手印显现方法对使用者的健康危害;方法用浅色调湿粉采用不同操作对不同客体表面手印、不同物质手印及不同遗留时间手印进行显现,通过显现效果的比较,得出湿粉显现手印的适用范围、最佳操作方法及其显现效果;结果显出的手印清晰、流畅,与背景反差强;结论该方法适用于光滑非渗透性客体表面及潮湿或粘性表面的汗潜、油潜、蛋白手印的显现,使用方便有效。  相似文献   
226.
This paper examines age at first marriage for women and spousal age gap as an indicator for female agency from 1950 to 2005. Using a dataset of 77 LDCs this paper seeks to explore which variables determine differences at a country level in marriage patterns. We look at the influence of urbanisation, education, percentage population of Muslim faith, and family type. We find that education is a key in determining at what age women marry, having as would be expected a positive effect on age at first marriage and depressing spousal age gap. Urbanisation is significant, with a positive effect on age and negative on spousal age gap, although the effect is not very large. The percentage Muslim variable depresses female age at first marriage and increases spousal age gap but only when family type is not controlled for. The initially strong negative effect of percentage population Muslim over the period under consideration on age of first marriage has decreased, which raises some interesting questions about the role of Islam in female empowerment.  相似文献   
227.
While young couples in Western societies generally form a new household, in low-income societies new unions are often incorporated into existing households. However, there is a growing tendency in the nuclearization of households as intergenerational co-residence is undermined by growing wage labour opportunities that provide incentives for rural–urban migration and because small nuclear families adapt better to urban societies characterized by high geographic and social mobility. The objective of this paper is therefore to jointly study for a selection of low- to middle-income countries the socioeconomic and demographic conditions of women aged 15–34 and their partners in relation to their household patterns with particular interest in the comparison of nuclear and extended households. The analysis will mainly rely on data from the Integrated Public Use of Microdata Series International database (https://international.ipums.org/international/) from which census samples for the last two or latest available census rounds for 18 countries have been extracted. Results showed that women being of older age (within the 15–34 range) and at the same time having attained at least primary school education, having a husband who does not work in the primary sector and who is neither much older nor much younger were all associated with living in a nuclear household. However, individual factors explained only a small part of the overall variation in the household arrangements of young couples, suggesting that differences between countries in these dimensions do not explain much of the difference in household structure. Rather, societal indicators like economic development and the average age at marriage – that were significant in our models – may explain better the overall slow transition towards the nuclear family.  相似文献   
228.
对我国食品安全现状的思考   总被引:3,自引:0,他引:3  
食品是人类赖以生存和发展的物质基础,食品安全已远远超越人们对维持生命基本物质需要这样的简单层次,但我国的食品安全监管尚存在诸多问题,导致"毒奶粉"等食品安全事件频发。因此,需要从完善我国食品安全监管体制、建立食品安全监管的保障体系、提高食品安全监管效能、建立食品安全突发事件应急机制、建立食品安全监管的社会推动机制等五个方面提出对策建议,以此促进我国食品安全事业的健康发展。  相似文献   
229.
The question of ‘who gets what?’ is one of the most interesting issues in coalition politics. Research on portfolio allocation has thus far produced some clear‐cut empirical findings: coalition parties receive ministerial posts in close proportion to the number of parliamentary seats they win. This article poses two simple questions: Why did the Conservatives and Liberal Democrats agree to form a coalition government and, secondly, did the process of portfolio allocation in the United Kingdom in 2010 reflect standard patterns of cabinet composition in modern democracies? In order to answer these questions, a content analysis of election manifestos is applied in this article in order to estimate the policy positions of the parties represented in the House of Commons. The results show that a coalition between the Tories and Lib Dems was indeed the optimal solution in the British coalition game in 2010. When applying the portfolio allocation model, it turns out that the Conservatives fulfilled the criteria of a ‘strong party’, implying that the Tories occupied the key position in the coalition game. On account of this pivotal role, they were ultimately able to capture the most important ministries in the new coalition government.  相似文献   
230.
为保证紫锥菊的临床用药安全并评价其生殖毒性,进行了大鼠致畸试验.让性成熟SD大鼠雌雄合笼交配,将孕鼠随机分成紫锥菊粉高(1 g/kg)、中(0.5 g/kg)、低(0.05 g/kg)3个剂量组,阴性对照组和阳性对照组,于孕期7~16 d经口给予受试物,观察母鼠和胎鼠的生长发育情况.结果显示,受试物各剂量组的孕鼠增重、活胎的体重、身长和尾长均显著高于阳性对照组(P<0.01),而吸收胎数、死胎数、畸形率均显著低于阳性对照组(P<0.01或P<0.05).受试物各剂量组与阴性对照组间的所有指标均无显著差异(P>0.05).致畸试验结果表明,紫锥菊粉对大鼠无母体毒性、胚胎毒性和致畸作用.  相似文献   
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