汽车制动器速度控制仿真系统设计

本文利用LabVIEW软件,设计了汽车制动器速度控制仿真系统,并模拟某汽车制动系统基本参数进行仿真与性能分析,结果表明,该仿真系统能够对汽车制动过程中制动角速度及角速度进行模拟,曲线与实际相符,各参数值计算准确。该系统为汽车制动器设计提供了一条新的途径。     

论农村土地登记治理功能及其实现

我国农村土地登记总体上呈现“法律缺位,政策先行,回避争议,强制推进”的特点,希望借助权利登记制的治理功能,通过完善登记实现对农村土地流转秩序的治理.但不可忽视现有登记制度的缺陷为秩序治理所形成的影响:如虚化的权利主体不能确立登记主体,分立的登记机关无法产生统一准确的登记信息,错位的效力规则无法达成一致的权利变动预期,模糊的赔偿责任导致无法划定登记权行使边界.这些障碍必须通过统一权利主体与登记机关信息、按土地的不同用途构建效力规则及完善错误登记的损害赔偿制度予以克服.     

中国大城市出租车服务业改革的目标与策略

出租车行业的许可管制应实行车辆管制模式,即向个人和公司公开拍卖出租车营运证,引入竞争性多元化经营模式。合理设计营运证市场的机制和规则,形成营运证一级市场和二级市场,分别进行拍卖和自由转让。政府则通过控制营运证数量来调节供求和价格。在此基础上,加强行业的培育,发挥行业组织在出租车运营和管理中的作用,政府逐步退出对出租车行业的直接干预。     

黄浦江上游死猪漂浮事件引发的对跨界环境灾害治理的思考

上海与江浙周边地区对跨界环境灾害突发事件的联防联控,不仅事关上海城市民生和社会稳定的大计,还涉及长三角区域环境生态的共同治理保护、区域一体化的制度建设、区域可持续发展等一系列经济、社会、环境生态重大问题的解决。上海应建立跨界环境灾害联防联控的相应组织机构与协调机制,提升针对跨界环境灾害的应对能力,牵头开展长三角环境灾害共同治理的重点专题研究,主动参与源头地区环境灾害的共同治理和共同防范。     

The Origins of Human Sexual Culture

Abstract

There is a series of common assumptions about prehistoric sex, associated with the prejudice that it must have been more natural because it happened closer to our evolutionary origins. The development of primate studies reveals a high degree of social variation between and within primate species, along with evidence for the practice of non-reproductive sex both recreationally and for expressing dominance relations. Yet, hypotheses about the behavior of human ancestors and early modern humans have been hampered by a lack of an integrated methodology. Although there is no single trajectory for either the elaboration or restriction of sexual behaviors after the emergence of culture, I argue here that it is possible to identify key turning points with more or less universal validity. These points include the reasons for and implications of brain size increase at the time of the emergence of genus Homo, the crystallization of impersonal gender by mid-Upper Paleolithic Ice Age societies, the early development of systems of control over both fertility and the projection and alteration of sexual identity, and the inferred emergence of homonegativity in early, reproduction-oriented farming societies. Further, archaeological data allows naturalist assumptions to be effectively refuted.     

多元文化时代美术教育探索

文化多元化是当前世界发展的时代特征,多元文化对传统美术教育产生了巨大冲击。文章通过对多元文化时代特点的分析,阐述了当前世界多元文化背景下的美术教育现状及最新理念。在此基础上对中国多元文化的自身特点进行分析总结,对美术教育如何适应多元文化的时代发展提出了新的理念及建设性的发展建议。     

比较法视野下多层次争议解决条款的强制性

决定多层次争议解决条款初始层次的约定强制性问题的管辖权属于多层次争议解决条款最终层次所指向的争议解决机构。多层次争议解决条款初始层次的强制性取决于当事人约定的明确性。未能履行多层次争议解决条款中初始层次约定而产生的违约问题应当被识别为程序问题,守约方当事人据此应当获得程序法而非实体法上的救济。在初始层次约定尚未履行时,法院或仲裁庭应当暂停而非停止已经开始的诉讼或仲裁程序。     

The Experience of Nonresidential Stepmothers

Despite the growing body of research examining the experience of stepparents, very little is known about the unique experience of nonresidential stepparents. This research examined the experience of nonresidential stepmothers (N = 10) using semistructured interviews. Thematic content analysis identified 2 principal themes. Those themes were perceived control (with the subtheme of visitation and parenting and financial matters) and psychological and physical well-being. The perceived inability to control parenting practices during periods of visitation and financial matters associated with the payment of child support generated a sense of powerlessness, anger, and resentment that manifested in depression. Implications for family service providers and clinicians working with stepfamilies are discussed.     

Using Photovoice to Empower Youth and Adults to Prevent Crime

Photovoice empowers residents to use photographs to identify neighborhood concerns. Although Photovoice has been used to facilitate dialogue and action among residents to address a variety of issues, including neighborhood crime, it has not been used as part of an intervention to promote collective efficacy. This project integrated Photovoice into a crime-prevention program the goal of which was to facilitate collective efficacy, which. in turn, has been associated with lower levels of neighborhood crime and violence. Twenty-four racially diverse youth and adults participated in a crime-prevention training where Photovoice was used first to identify neighborhood characteristics that participants believed contributed to and alleviated crime, and then to develop a community project. Participants worked together to reuse a highly visible vacant lot to create an inviting neighborhood art and garden space that was open to the whole community. This process facilitated stronger social ties among neighborhood residents, as well as strategies for intervening in neighborhood problems, both of which are important components of collective efficacy.     

Impulsivity and pathological gambling across depressive versus bipolar disorders

Impulsivity has been implicated in the development of pathological gambling (PG); sensation seeking and urgency in particular have predicted gambling pathology in undergraduate and psychiatric samples. In light of the relevance of both depressed and elevated mood to impulsivity and gambling, the components of impulsivity associated with PG across mood disorders warrants investigation. The aim of the current investigation was to examine the association between impulsivity and gambling pathology severity across depressive versus bipolar disorders. A total of 275 participants with lifetime depressive or bipolar disorder completed measures of impulsivity and gambling. Urgency was consistently associated with gambling pathology indicators; lack of perseverance was specifically associated with gambling pathology within participants with depressive disorders. Reckless action during negative mood is associated with gambling pathology across mood disorders, whereas difficulty remaining focused is associated with PG solely within depressive disorders. Impulsivity and affective comorbidity may inform current understanding of PG.