城乡结合部人居环境与经济协调发展分析——以北京市朝阳区为例

疏解非首都功能背景下,北京市的城乡结合部面临调整经济结构与改善人居环境的机遇和挑战。本文以朝阳区为例,结合定量分析与定性讨论,聚焦人居环境与经济系统的协调性问题,剖析协调水平变化的时空间特征及原因。研究发现：2010—2019年期间,朝阳区城乡结合部人居环境与经济系统的协调水平上升明显,空间均衡性有所提升,协调状态呈现出从人居环境滞后过渡到经济系统滞后的演变过程。疏解非首都功能及相关政策是影响协调状态演变的重要因素,它提高了人居环境质量,引发了经济系统的动态调整,短期内使协调水平发生了较大波动,随着人居环境改善幅度逐渐超过经济系统,协调水平出现了下降趋势。提高城乡结合部的可持续发展能力,应重点关注人居环境与经济系统的协调性问题,兼顾地区人居环境改善与经济发展的需求。     

南宁市房地产价格分布规律的机助制图研究与开发方向的探讨

南宁市房地产业经历了由沉寂、复苏、火爆到稳步发展的过程．各公司开发的房屋类型相近,但价格差异却很大,价格分布呈现明显的规律性：一是城市中心价格高,边缘与郊区价格低;二是东部城区价格高,西部城区价格低．主导价格分布规律的三大影响因子是地理位置、交通便捷程度和生态环境质量．南宁今后的房地产开发和城市规划建设一要顺应价格分布规律,优地优用、保障房地产开发的高效益;二要加强交通设施建设和环境保护．促进全市房地产的升值;三要因势利导,发展城市副中心,逐步形成多中心的城市建设格局。     

A High-Performance Quadrilateral Flat Shell Element for Seismic Collapse Simulation of Tall Buildings and Its Implementation in OpenSees

Shear walls are important lateral force-resistant components of tall buildings. Hence, a reliable numerical model that can accurately represent the mechanical characteristics and large deformations of shear walls is critical for realistic collapse simulation of tall buildings. Based on the theory of generalized conforming element, a high-performance quadrilateral flat shell element, NLDKGQ, accounting for the large deformation using the updated Lagrangian formulation, is proposed herein and implemented in OpenSees. The reliability of NLDKGQ is validated using classical benchmark problems and reinforced concrete specimens. In addition, its capability in simulating the collapse of a tall building is also demonstrated.     

“日本天津军的谋略”:1935年胡白事件之探析

1935年之胡恩溥、白逾桓被暗杀事件,是“日本天津军的谋略”,目的是将国民政府赖以维持统治华北的有关机关、人员和军队从华北赶走.事件发生后,双方舆论展开对阵,双方人员展开一场严重的交涉.中方舆论含蓄地指出事件为日方所为,日伪舆论和驻屯军、关东军及驻华使节竭力“论证”为蓝衣社所为.日军以武力为手段,采取三步走,迫使国民政府撤走河北省主席于学忠和其他官员以及中央军.国民政府虽然接受了这些要求,但是拒绝承担日军强加的责任.胡白事件本来是日军制造的,它在企图得逞后不再逼迫由国民政府来承担,胡白事件不了了之.     

1866年《南部宅地法》土地分配方案及其失败原因

1866年《南部宅地法》为了解决美国黑人自由民的土地问题制定了相对有利的宅地申请条件。然而由于缺乏申请宅地以及从事农业生产的初始资本和其他借贷来源,美国联邦政府也没有在借贷方面为宅地申请者提供相应的扶持,绝大多数黑人自由民并没有利用《南部宅地法》提供的有利条件转变为独立的小农场主。这是1866年《南部宅地法》失败的深层次原因。     

A Path to “Emergent Peace” in Northeast Asia: The Shadow of the Past Matters

This article explores the possibility of institutional multilateralism in Northeast Asia from the perspective of “emergent peace”. The main argument of the article is that a self-organising peace process arising from institutional multilateralism is constrained and enabled by the existing “morphogenetic fields”, the formative social spheres of collective action. Similar ideas or initiatives that are pursued by an agent/agents may result in different consequences depending on the characteristics of the morphogenetic fields. This argument is examined through two case studies. The first is Jean Monnet in Europe, who played a pivotal role in the establishment of the European Coal and Steel Community (ECSC), and the other is Ahn Jung-geun in Northeast Asia, who proposed the detailed ideas of pan-Asianism akin to Monnet but failed to play a role as an agent. The case studies demonstrate that the feature of the morphogenetic fields is determined by the characteristics of embedded agency at a critical juncture, while the agency is bounded by the particular spatial and temporal conditions of the morphogenetic fields. In search of an emergent peace process in Northeast Asia, this article particularly highlights the Six-Party Talks, arguing that they are a by-product of, and an alternative to, the San Francisco System.     

Ming dynasty maritime provisions transport during the second stage of the East Asian War (1597–98)

Abstract

This article discusses the issue of the Ming army's maritime shipping of supplies during the second stage of the East Asian War of 1597–8. Despite the lack of historical sources and difficulty in finding accurate numbers, Zhang Yangmeng's 張養蒙 memorials include records of maritime transport decisions, implementation, effectiveness, and limitations and are of great help to filling in the blank areas of research in Ming army logistics.     

跨国场域下的企业家精神、国家与社会网络：中国新移民的个案分析

以在新加坡的中国新移民企业家为个案,简要地讨论企业家和企业家精神的内涵及其在全球化时代的展延;分析了新移民企业家跨国知识与技术优势在新兴企业成长中扮演关键作用;论述了跨国移民企业家产生与发展的不可或缺的外在因素以及由此形成的双赢策略;进而阐述跨国性的理论架构如何有助于解释华人企业家在当代世界和中国社会经济发展中的作用。     

继往开来,求实创新,做好江河水利志编修工作

2001～2006年底,水利部成立江河水利志工作指导委员会并组织指导完成了首轮江河水利志的修编工作。文章针对首轮江河水利志编修工作的评价与问题进行探讨,分析新时期的形势和任务,提出做好江河水利志续修续编工作的要求。     

抗日战争时期中美合作所论析

中美合作所是抗战时期中美两国在反法西斯统一战线背景下建立的一个抗日军事合作机构。但过去由文学影视作品给人造成的印象,似乎是一个美蒋反动派勾结的集中营。中共十一届三中全会以后,逐渐有人为其正名。但长期宣传形成的影响并未消除;而该机构在抗战中究竟有何作为?各相关文章又语焉不详。本文首先概述中美合作所成立的目的、过程、协定文本和组织机构;其次介绍其重要活动之一——培训敌后游击干部;再次略述各培训机构结业之后组建的中美联合游击队在敌后的抗日活动。最后对中美合作所作出综合具体评价,希望消除误解,还原历史。