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   445篇
  免费   20篇
各国政治   22篇
工人农民   14篇
世界政治   44篇
外交国际关系   27篇
法律   208篇
中国政治   3篇
政治理论   141篇
综合类   6篇
  2021年   3篇
  2019年   6篇
  2018年   12篇
  2017年   12篇
  2016年   18篇
  2015年   18篇
  2014年   12篇
  2013年   63篇
  2012年   8篇
  2011年   9篇
  2010年   11篇
  2009年   22篇
  2008年   19篇
  2007年   19篇
  2006年   10篇
  2005年   10篇
  2004年   6篇
  2003年   11篇
  2002年   16篇
  2001年   11篇
  2000年   6篇
  1999年   3篇
  1998年   5篇
  1997年   5篇
  1996年   8篇
  1995年   5篇
  1994年   8篇
  1993年   5篇
  1992年   6篇
  1991年   11篇
  1990年   5篇
  1989年   7篇
  1988年   12篇
  1987年   8篇
  1986年   4篇
  1985年   5篇
  1984年   8篇
  1983年   5篇
  1982年   7篇
  1979年   2篇
  1978年   2篇
  1976年   2篇
  1975年   3篇
  1974年   4篇
  1972年   6篇
  1971年   2篇
  1967年   2篇
  1966年   3篇
  1965年   3篇
  1964年   2篇
排序方式: 共有465条查询结果,搜索用时 15 毫秒
451.
452.
453.
Conclusion We have made great strides in recent years teaching more people — in classrooms, corporate training sessions, and actual negotiations — about negotiations, including how to be more ethical and how to ensure that integrative joint gains are not left on the table. The fact that we even need to write an article like this is an indication of the advances that have been made.Yet exactly because of these advances, more care needs to be taken to ensure that the subtle distinction between what is ethical and what is integrative is maintained. Being ethical in negotiations is more complicated than producing greater joint utility, and the techniques that are helpful for producing greater joint utility should not be made more complicated by the addition of ethical concerns. Each issue — ethics and mutual gains bargaining — can stand on its own, and benefits by being considered on its own. By maintaining this distinction, we believe each will have greater clarity and greater impact, and our teaching and training will be both better received and more valuable to those we teach.  相似文献   
454.
A Statistical Model of Bilateral Cooperation   总被引:1,自引:0,他引:1  
In most situations of bilateral cooperation we can observe onlywhether or not potential partners actually cooperate. Yet weoften want to know what factors lead the actors to enter intoand continue cooperation. The model we develop—a dynamicversion of bivariate probit with partial observability—permitsone to estimate the probabilities that either of two partieswould want to cooperate and to identify the factors that affectthese probabilities. As an illustration, we focus on agreementsbetween national governments and the International MonetaryFund. The model should have a wide applicability.  相似文献   
455.
Bite mark evidence seen in skin injuries or objects is commonly photographed for evidentiary documentation, preservation, and analysis. Distortion in forensic evidence photographs diminishes the outcome of analytical procedures available to the forensic odontologist. Inaccurate positioning of the evidence, camera, or measurement reference scale creates perspective and parallax distortion of the captured image. These variables must be eliminated, if possible, to ensure reliable results derived from comparison of the suspect teeth and the bite mark. Detection and measurement of camera/evidence/scale misalignment is the threshold step in evidence evaluation, and is possible through digital imaging methods coupled with established methods. Correction (rectification) of perspective distortion is possible through the application of additional digital editing techniques. This study establishes type categories of perspective and parallax distortion seen in bite mark evidence, validates the use of the digital imaging tools of Adobe Photoshop to correct certain types of distortion, and establishes a forensic protocol to verify the accuracy of evidence photographs requiring dimensional accuracy.  相似文献   
456.
Literature reviews of individual assaultive patients, repetitively violent patients, and restrained assaultive patients document that persons diagnosed with schizophrenia or personality disorder are at the highest risk to become assaultive. While there has been some initial research of possible predictor variables across diagnostic groups, this six-year retrospective study is the first to compare only persons with schizophrenia or personality disorder on basic demographic and the selected clinical variables of history of violence, personal victimization, and substance use disorder. In this study, the variance suggested that persons with schizophrenia and personality disorder were both likely to be assaultive. Assaults by persons with schizophrenia were somewhat proportional to their presence in the population studied. However, personality disordered patients represented a disproportional increase from the population studied. Younger females with a diagnosis of personality disorder and with histories of violence toward others and personal victimization appeared at increased risk to be assaultive and to require restraints. The findings and their implications for safety and clinical care are discussed.  相似文献   
457.
458.
The field of forensic injury biomechanics is an emerging field. Biomechanically validated tools may assist interdisciplinary teams of investigators in assessing mechanisms of blunt head trauma resulting in skull fractures. The objective of this study is to assess the biofidelity of spherical, frangible skull–brain (SB) surrogates. Blunt impacts were conducted at 20 m/s, using an instrumented 103 g rigid impactor, to the temporo‐parietal region of four defleshed cephalic postmortem human subjects (PMHS). Force–deformation response, fracture tolerance, and fracture patterns were recorded for comparison to spherical skull–brain surrogates. Three brain substitutes were assessed: 10% gelatin, lead shot with Styrofoam and water. Force–deformation response of the skull–brain surrogates was similar to defleshed PMHS up to the point of fracture; however, none of the surrogates fractured at tolerance levels comparable to the PMHS. Fracture patterns of the skull–brain surrogates were linear and radiating, while PMHS fractures were all depressed, comminuted.  相似文献   
459.
Two new domains of the NCFAS-G+R, trauma and post-trauma well-being, were tested for reliability and validity in relation to previous NCFAS-G+R domains. Three family preservation programs provided case level data on 170 in-home service families over six months. Domains were tested for reliability using Cronbach's alpha, factor structure was explored, and convergent validity was examined through correlations of new scale items with domain ratings on the NCFAS-G+R. Assessment ratings were cross tabulated with practice and outcome variables. Reliability of the new domains was established with Cronbach's alphas of .811 and .905, respectively, factor structure was confirmed, new scale items and domains correlated predictably and significantly with other NCFAS domains. Outcome variables were influenced by trauma assessment ratings. Displaying good psychometric properties, the trauma-focused assessment domains hold promise for assisting child welfare practitioners assess trauma symptomology, and post-trauma well-being following services.  相似文献   
460.
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