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   5663篇
  免费   155篇
  国内免费   67篇
管理学   588篇
民族学   37篇
人才学   2篇
人口学   76篇
丛书文集   413篇
理论方法论   169篇
综合类   3590篇
社会学   322篇
统计学   688篇
  2024年   3篇
  2023年   38篇
  2022年   33篇
  2021年   65篇
  2020年   93篇
  2019年   99篇
  2018年   104篇
  2017年   169篇
  2016年   123篇
  2015年   163篇
  2014年   265篇
  2013年   553篇
  2012年   341篇
  2011年   332篇
  2010年   275篇
  2009年   267篇
  2008年   304篇
  2007年   347篇
  2006年   373篇
  2005年   355篇
  2004年   310篇
  2003年   320篇
  2002年   226篇
  2001年   205篇
  2000年   139篇
  1999年   78篇
  1998年   53篇
  1997年   42篇
  1996年   37篇
  1995年   37篇
  1994年   30篇
  1993年   19篇
  1992年   24篇
  1991年   17篇
  1990年   12篇
  1989年   14篇
  1988年   6篇
  1987年   5篇
  1986年   3篇
  1985年   2篇
  1984年   1篇
  1983年   1篇
  1982年   1篇
  1979年   1篇
排序方式: 共有5885条查询结果,搜索用时 15 毫秒
161.
建设项目工程造价管理的基本内容就是合理确定和有效地控制工程造价.本文对如何做到“事前把关、过程与动态管理为特征”的全过程控制进行了论述.  相似文献   
162.
针对我国通信行业和计算机行业大型机房耗电量大的现状,提出了一种乙二醇机组控制系统。介绍了它的工作原理,阐述了它的总体控制方案,并重点阐述了采用温度模糊PID控制器对室内温度进行调节。仿真和实验结果表明:采用温度模糊控制器的系统运行稳定、可靠性高、节能效果明显,具有广阔的应用前景。  相似文献   
163.
从高校"小金库"的来源及特点着手,分析了高校"小金库"产生的原因,从思想认识、制度管理、责任追究,特别是财务人员派驻等方面,提出了治理高校"小金库"的有效途径。  相似文献   
164.
The paper provides an overview of the poverty situation in the Philippines, followed by a brief profile and assessment of two anti‐poverty programs: the Kapit‐Bisig Laban sa Kahirapan‐Comprehensive and Integrated Delivery of Social Services (KALAHI‐CIDSS) program and the Pantawid Pamilyang Pilipino Program (4Ps). Official statistics disclose that the global economic crisis in 2008 adversely affected Filipino households, leading to higher levels of poverty especially in rural areas. In response, government introduced an Economic Resiliency Program with social protection as one component. Sixty‐six social protection programs were launched, including the two under review. KALAHI‐CIDSS and the 4Ps apply poverty reduction strategies that focus on the development of human and social capital, rather than economic capital. They involve processes and relationships that aim to improve the other dimensions of poverty, such as lack of access to opportunities or deprivation of basic human necessities. Qualitative and quantitative reports describe generally favorable outcomes from both programs. However, these gains at the household level need to be supported by relevant policy, enhanced public services and badly‐needed infrastructure programs from government, in order to sustain achievements culled from social protection programs and attain broader developmental impacts.  相似文献   
165.
ABSTRACT

This paper approaches the African-European migration industry as a complex web of relations in which different actors liaise, objectives oppose each other, and roles overlap. Starting from this notion, the question emerges: How do migrants navigate this fuzzy web of migration facilitation/control? To answer this question, this paper uses a ‘trajectory ethnography’ that follows the im/mobility processes of migrants from West – and Central Africa to, and inside, Europe. In so doing, it particularly focuses on two practices that are related to the concept of social navigation. First, it concerns débrouillardise, a term that points to the power of improvisation, creativity and hustling. Second, it regards social negotiation, a term referring to the process of how migrants ‘massage’ their relations with important actors in the field. The findings stress the relational dimension of the migration industry in the sense that the functioning of one actor depends so much on the intentions and efforts of others. I conclude that we could enhance our knowledge on migration industries with studies that constantly shift between the perspective of the migrant, the social network, the facilitator and controller. Such a dynamic approach unpacks further the multiple efforts that produce migrant im/mobility.  相似文献   
166.
论民族地区全面建设小康社会中的科技创新   总被引:3,自引:0,他引:3  
要文章立足于民族地区社会经济发展和演变的实际,分析了民族地区全面建设小康社会中的科技创新现状,探讨了民族地区走科技创新的新路子的途径。  相似文献   
167.
论中华民族的多元民族文化观   总被引:1,自引:0,他引:1  
民族文化观是人们对一个民族包括自身民族与他民族文化的观念、态度和价值取向。中华民族的多元文化观产生于多元的文化起源,形成于多民族长期的接触与交往。它既有多元的特征,也有一体的特征。在历史上,这种文化态度对中国各民族团结、国家和平统一以及社会发展都发挥了积极的作用。在世界格局与中国社会发生重大变革的当今社会,多元民族文化观依然具有很强的现实意义。  相似文献   
168.
Many violations of the independence axiom of expected utility can be traced to subjects' attraction to risk‐free prospects. The key axiom in this paper, negative certainty independence ([Dillenberger, 2010]), formalizes this tendency. Our main result is a utility representation of all preferences over monetary lotteries that satisfy negative certainty independence together with basic rationality postulates. Such preferences can be represented as if the agent were unsure of how to evaluate a given lottery p; instead, she has in mind a set of possible utility functions over outcomes and displays a cautious behavior: she computes the certainty equivalent of p with respect to each possible function in the set and picks the smallest one. The set of utilities is unique in a well defined sense. We show that our representation can also be derived from a “cautious” completion of an incomplete preference relation.  相似文献   
169.
We study the deferred payment and inspection mechanisms for mitigating supplier product adulteration, with endogenous procurement decision and general defect discovery process. We first derive the optimal deferred payment contract, which reveals that either entire or partial deferral can arise, depending on the moral hazard severity and the information accumulation rate. Because of the supplier's incentive to adulterate, the optimal procurement quantity under deferred payment generally is smaller than the first‐best quantity. We then investigate the inspection mechanism and characterize the equilibrium. We find that under the inspection mechanism, the optimal procurement quantity is no less than the first best. A comparison between these two mechanisms shows that the deferred payment mechanism generally can outperform the inspection mechanism when either the market size is small or the profit margin is low. However, we find that these two mechanisms can also be complementary, for which we characterize a necessary condition.  相似文献   
170.
Lateral transshipments are a method of responding to shortages of stock in a network of inventory‐holding locations. Conventional reactive approaches only seek to meet immediate shortages. The study proposes hybrid transshipments which exploit economies of scale by moving additional stock between locations to prevent future shortages in addition to meeting immediate ones. The setting considered is motivated by retailers who operate networks of outlets supplying car parts via a system of periodic replenishment. It is novel in allowing non‐stationary stochastic demand and general patterns of dependence between multiple item types. The generality of our work makes it widely applicable. We develop an easy‐to‐compute quasi‐myopic heuristic for determining how hybrid transshipments should be made. We obtain simple characterizations of the heuristic and demonstrate its strong cost performance in both small and large networks in an extensive numerical study.  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