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   2467篇
  免费   83篇
  国内免费   27篇
管理学   93篇
民族学   37篇
人口学   46篇
丛书文集   302篇
理论方法论   109篇
综合类   1765篇
社会学   208篇
统计学   17篇
  2024年   5篇
  2023年   15篇
  2022年   24篇
  2021年   25篇
  2020年   38篇
  2019年   32篇
  2018年   39篇
  2017年   31篇
  2016年   46篇
  2015年   58篇
  2014年   132篇
  2013年   179篇
  2012年   156篇
  2011年   210篇
  2010年   161篇
  2009年   142篇
  2008年   183篇
  2007年   209篇
  2006年   185篇
  2005年   161篇
  2004年   147篇
  2003年   125篇
  2002年   92篇
  2001年   98篇
  2000年   39篇
  1999年   10篇
  1998年   14篇
  1997年   6篇
  1996年   5篇
  1995年   3篇
  1994年   4篇
  1993年   3篇
排序方式: 共有2577条查询结果,搜索用时 46 毫秒
1.
《Long Range Planning》2022,55(1):102069
Based on a longitudinal case study of China's high-speed rail embedded in the emerging economy context, we focus on what role the government plays and how that matters to open innovation (OI) for competitive advantage. By linking the OI literature with the national political institutions literature to motivate our research question, we propose a statist-based OI view to differentiate diverse government roles, investigating how government adopts roles in a combined way to push OI in stages. Our findings suggest that government is an important strategic decision-maker for OI. Specifically, the government plays various roles as commander, protector, cultivator, and intermediator, reflecting state activism derived from national political institutions, to construct institutional-level OI for domestic OI activities, and inbound and outbound OI across national borders. We find government can deliberately and strategically use its diverse roles in a combined way to push OI for competitive advantage through the industrial evolutionary process over time. Our study contributes to the OI literature and integrates the strategic management literature with the study of OI to provide new insights to explain the origins of competitive advantage from the state perspective.  相似文献   
2.
Damage models for natural hazards are used for decision making on reducing and transferring risk. The damage estimates from these models depend on many variables and their complex sometimes nonlinear relationships with the damage. In recent years, data‐driven modeling techniques have been used to capture those relationships. The available data to build such models are often limited. Therefore, in practice it is usually necessary to transfer models to a different context. In this article, we show that this implies the samples used to build the model are often not fully representative for the situation where they need to be applied on, which leads to a “sample selection bias.” In this article, we enhance data‐driven damage models by applying methods, not previously applied to damage modeling, to correct for this bias before the machine learning (ML) models are trained. We demonstrate this with case studies on flooding in Europe, and typhoon wind damage in the Philippines. Two sample selection bias correction methods from the ML literature are applied and one of these methods is also adjusted to our problem. These three methods are combined with stochastic generation of synthetic damage data. We demonstrate that for both case studies, the sample selection bias correction techniques reduce model errors, especially for the mean bias error this reduction can be larger than 30%. The novel combination with stochastic data generation seems to enhance these techniques. This shows that sample selection bias correction methods are beneficial for damage model transfer.  相似文献   
3.
Previous research reveals that the temporal ordering of childbearing and marriage can have an impact on the meaning of first-time marriage. This article aims to obtain a deeper understanding of meaning-making of first-time marriage in relation to childbearing. Narrative interviews with 16 brides and grooms in 8 couples in Sweden were conducted. The material was analyzed in relation to the temporal ordering of childbearing and marriage. The study reveals that the construction of meaning of marriage does not only relate to the temporal context. Social factors such as social class or family formation might also be relevant for how meaning is constructed. This article contributes to a deeper understanding of meaning-making as a relational process constructed within particular contexts.  相似文献   
4.
The construct, family resilience, has been defined and applied very differently by those who are primarily clinical practitioners and those who are primarily researchers in the family field. In thisarticle, the family resilience perspective is integrated with conceptual definitions from family stress theory using the Family Adjustment and Adaptation Response (FAAR) Model in an effort to clarify distinctions between family resiliency as capacity and family resilience as a process. The family resilience process is discussed in terms of (a) the meaning of significant risk exposure (vs. the normal challenges of family life) and (b) the importance of making conceptual and operational distinctions between family system outcomes and family protective processes. Recommendations for future family resilience research are discussed.  相似文献   
5.
英语与其他语种一样存在着形式与意义不一致的语用问题 ,主要有四种表现形式 :陈述句起疑问句、祈使句作用 ;疑问句起着陈述句、祈使句作用 ;肯定形式表示否定意义 ;否定形式表示肯定意义。由于说话者的目的不同 ,选择的表达方式就不同 ,其语用意义也随之变化。  相似文献   
6.
迄今,还没有一门科学像语言学这样不能提供研究对象的结论性定义。语言有三个本质属性,即社会事实、心理表征及声音和意义结合的符号系统,只有对语言进行三维观照,才有可能本真地推导出语言这一语言学对象所特有的、本质的属性  相似文献   
7.
英汉句法存在三种最基本的差异 ,即树型结构和线型结构、形合法和意合法以及句子界线的差异。在此基础上 ,着重介绍英汉互译过程中的三种转换方法  相似文献   
8.
礼貌是一个非常复杂的问题,它的识解需要语言内、外的知识。礼貌既要通过语言知识如语调,字、词和句来识解,又要借助人的常识和对语境中的认知能力。礼貌是即时即景的,说话人与受话人的个人经历、文化背景和合作对礼貌起了很大的作用。情景及其它非语言因素也起了不可忽视的作用,通过语言体现的礼貌因人因情景因文化而异。  相似文献   
9.
委婉表达现象的认知语用特征   总被引:4,自引:0,他引:4  
委婉表达现象的认知语用特征,如果从语用规约、隐喻思维和认知语境几个方面来看,其实质就是人们利用纯语言符号和认知机制合力的心理认知过程;委婉表达现象与语用规约、隐喻、认知语境等密不可分。  相似文献   
10.
风笑天 《社会》2008,28(2):152-152
本文依据对江苏、浙江两省6个县343户三峡外迁农村移民的调查数据,分析了相对集中与完全分散这两种不同的安置方式,以及由此所形成的两种不同的人际交往状况对外迁移民社会适应的影响。研究发现,从总体上看,移民在安置地的人际交往状况对移民的社会适应的影响十分显著。无论是移民之间的交往、还是移民与当地居民之间的交往,都会大大增强移民融入当地社会的程度。  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