混凝土靶上边界对射孔器穿深性能的影响

混凝土靶是射孔器检测最常用的靶体之一，由于混凝土靶为有限边界靶体，其边界效应对射孔器各项性能指标必然存在影响．从而影响检测的准确性。以混凝土靶上边界对穿孔深度的影响为例进行研究，从而确定混凝土靶上边界对射孔器穿孔深度的影响程度。     

油井含水经济极限分析

文章主要针对进入开发中后期的老油田面临油井含水上升、产量递减的问题，运用盈亏平衡分析原理，建立不同油井含水经济极限模型，井据此将油井分为A、B、C、D四类井。同时，运用单因素影响分析法，反算油井可承受的最低油价、最低开井时率及最高单井年操作成本，以便进行分类管理。     

论保持共产党员的先进性

文章探讨建设有中国特色社会主义与保持共产党先进性问题。     

中美行业外交方略探究

贸易摩擦中政府间交涉作用勿庸置疑,而行业外交在公众舆论方面的影响也不容忽视。文章作者以对美国深入了解的体会,提出其对中美行业外交的建议。     

Shanghai 2010 Apparel Retail Sales Report Top 10 Department Stores Retail Worth CNY5 billion in 2010

Shanghai – According to Shanghai Apparel Association, CNY5.22 billion was spent in Shanghai top 10 department stores in the whole year of 2010, rising by about 8.7 per cent y/y. We’ve seen distinct growth in the average retail     

数字普惠金融的创业效应与收入不平等:数字鸿沟还是数字红利？

数字普惠金融与实体经济之间的关系受到学界广泛关注,但其究竟是普惠的数字红利还是金融领域的数字鸿沟,这是数字普惠金融快速发展中亟需回答的重要理论与现实问题。文章通过匹配宏观统计数据和微观调查数据,实证研究了数字普惠金融的发展对收入不平等的影响,并从创业效应这一渠道进行了机制分析。研究发现：数字普惠金融的发展总体上改善了收入不平等状况,而数字普惠金融的创业效应是影响收入不平等的重要渠道之一。进一步的中介效应分析表明,数字普惠金融的创业效应对收入不平等的影响存在异质性：数字普惠金融通过促进生存型创业从而改善了收入不平等,而数字普惠金融对机会型创业的促进却在一定程度上扩大了收入不平等。文章的研究结论对于理解数字普惠金融发展的正外部性以及如何缓解收入不平等提供了新的视角。     

Making the next move: When does the newness of experience matter in overseas sequential entries of multinational companies?

Traditional internationalization models suggest multinational companies (MNCs) can exploit their accumulative experience to facilitate their sequential entries. However, experience may depreciate over time. Thus, obtaining benefits from prior experience for MNCs is based on two critical premises, i.e., interpreting and applying experience correctly. We argue that there is a need to study the newness dimension of experiential learning. In doing so, we aim to explore to what extent the newness of experience matters in overseas sequential entries for MNCs. Moreover, we expect that the benefits from recent experience in guiding sequential entries are contingent on the extent of context similarity between the most recent entry location and sequential entry location and the outcome expectancy of focal entry. With a sample of 112 Chinese listed firms and 410 observations during the period of 2000–2012, we find that else being equal, the newness of experience of MNCs is positively associated with sequential entry and such a relationship is positively moderated both by context similarity in institutional environment and the outcome expectancy of the focal entry. We also compare the effects of the newness of different types of experience and find that the newness of the most recent experience has a larger influence on sequential entry than location-specific experience and general experience.     

高技术服务业与资源型产业融合对资源型企业两阶段创新效率的影响

基于新技术与新知识的高技术服务业跨界融合是传统企业实现创新资源优化配置、创新研发和商业转化的重要因素。因此，运用熵指数测度全国各省区高技术服务业与资源型产业融合水平，并利用2014—2017年资源型上市公司面板数据检验两大产业融合对资源型企业两阶段创新效率的影响，同时探讨企业吸收能力的调节作用。结果表明：现阶段高技术服务业和资源型产业融合程度不高，但发展态势良好，处于从失调走向协调的转变期；产业融合对资源型企业创新研发效率短期无显著影响，长期存在抑制作用，资源型企业技术能力刚性导致对新技术的排斥，且较大的产业间认知差距削弱了产业间良性互动带来的技术扩散效应；产业融合对创新转化效率呈先抑制、后促进效应，就长期而言，产业融合具有良好的创新转化推动力；资源型企业吸收能力分别在产业融合与滞后一期创新研发效率及滞后三期创新转化效率的关系中起正向、负向调节作用，表明资源型企业吸收能力构建尚不全面。     

转译社会学视野中的传统习俗与环境治理--以闽南春节“禁炮”行动为例

闽南春节燃放鞭炮的传统习俗由来已久,近年来城市社区面临环境污染问题,为解决突出的环境问题,在环境治理的时代背景下,政府出台了禁止在市区燃放鞭炮的规定。而关于"禁炮"的行动,被政府随之开展,也引发了传承传统文化与保护生态环境的矛盾。转译社会学是科学社会学的重要理论,以该视角考察闽南春节"禁炮"的社区协商与环境治理机制,分析作为"禁炮"行动发起人的政府所采取的四个转译策略,探寻相关行动者为有效解决这一矛盾的路径,最终形成一个异质型行动者网络。     

China Apparel Retail Sales Value +21.79% Y/Y in Jul.

China Jul.-Apparel retail sales value in major department stores picked up sharply in Jul. 2011, rising by about 21.79 percent y/y to CNY 10.61 billion, according to China Nation Commercial Information Center. For volume, retail sales volume of apparel products edged up 5.85% y/y to 33.10 million pieces in Jul.