φ127×9．19mmG105钻杆NC50内螺纹接头直角台肩根部裂纹原因分析

对某井在钻进期间发生的钻杆断裂事故进行了详细调查研究.对裂纹的钻杆样品断口进行了观分析和微观分析,对断裂钻杆材料的化学成分、机械性能和金相组织进行了全面试验分析。最终结合钻杆使用情况和试验分析结果对钻杆接头断裂和裂纹的原因进行了全面分析讨论，认为钻杆接头断裂和裂纹原因是该部位结构尺寸不合理，应力集中严重所致。     

我国货币政策传导机制实证分析

货币政策传导机制问题是研究货币政策及其工具如何通过各种金融变量对实质经济产生作用的问题。近年来，我国经济金融运行中出现了货币流通速度减慢、商业银行惜贷、中小企业融资难等问题。因此，货币政策传导机制问题越来越受到关注。介绍了西方经典的货币政策传导理论，对我国货币政策传导作了实证分析，从而弄清梗塞货币传导的体制性和制度性障碍，为进一步深化经济金融改革提供理论依据。     

采油厂能耗质量监督与管理

根据油田能源计量和监督管理的实际，在采油厂范围内全面实施了以建章立制网络化管理为主线的能耗质量监督与管理。主要实施了随机监督和定期监督，以及与之配套的奖罚制度相结合的管理办法，以提高监督水平为目的的技术业务培训和加强现场能耗质量监督运行过程监督，完善配备能耗监测仪器等项措施。     

学分制下普通高校艺术教育研究

推行学分制是近20年来我国高校实施教学管理改革的一项重要举措.结合欧美等发达国家高校的一些相关情况,探讨对普通高校艺术教育学分制,促进高校精神文明建设和校园文化建设,确保大学生艺术素质全面提高,推动高素质教育的发展.     

英国高效税收征收的成因及其借鉴

英国高效的税收征收,并非因为有良好的软硬件设施和强有力的征管,而是有赖于高效的税制修改程序、思路清晰的税制结构、健全的社会信用体系、成熟的社会分工系统以及注重成本的治税理念。英国的治税理念及管理方法,对我国提高征管效率有很好的借鉴作用。     

全球RFID应用展览会暨中国峰会在京举行

由中国信息产业商会、RFID中国论坛和赛迪集团联合主办的“全球RFID应用展览会暨中国峰会(2005春季)”于2005年4月在北京国际会议中心举行。这是今年国内RFID领域内最高规格的国际性RFID专业会议。据悉,巨大的零售业将推动RFID的高速增长。来自中共中央政策研究室、国家信息产业部、国家发展和改革委员会、国务院发展研究中心、辽宁省信息产业厅、中国物流与采购联合会、中国电子技术标准化研究所和北京市信息化工作办公室的领导专家,美国驻华使馆、韩国驻华使馆官员,AIM Global、EPC Global、韩国RFID协会负责人,以及全球范围…     

企业接受捐赠的会计处理探析

财政部、国家税务总局《关于执行〈企业会计制度〉和相关会计准则问题解答(三)》(财会[2003]29号)对企业接受捐赠的会计处理在《企业会计制度》的基础上予以进一步明确。但仔细分析不难发现,目前的会计处理仍然存在两大问题:一是违背了会计核算的基本原则之一——配比原则;二是混淆了负债与所有者权益的界限。本文通过分析税收法规和会计制度的相关规定,拟探讨一下其中问题所在,并提出建议。相关法规和制度的规定与分析(一)税收法规的规定与分析按《国家税务总局关于执行〈企业会计制度〉需要明确的有关所得税问题的通告》(国税发[2003]45号…     

Financial statements based bank risk aggregation

One of the major challenges involved in risk aggregation is the lack of risk data. Recently, researchers have found that mapping financial statements into risk types is a satisfactory way to resolve the problem of data shortage and inconsistency. Nevertheless, ignoring off-balance sheet (OBS) items has so far been regarded as the usual practice in risk aggregation, which may lead to deviations in conclusions. Hence, we improve the financial statements based risk aggregation framework by mapping OBS items into risk types. Based on 487 quarterly financial statements from all 16 listed Chinese commercial banks over the period 2007–2014, we empirically study whether the overall impact of OBS activities and the individual impact of each of the OBS risk types on total risk depend on bank size. Moreover, this research divides the sample into two subsets, during and after the subprime crisis, to find out how the subprime crisis affects risks of Chinese banks. Our empirical results show that although OBS credit risk is positively linked to total risk while OBS operational risk is negatively linked to total risk for both large and small banks, the overall impact of OBS activities on total risk depends on bank size. The overall OBS activities are positively related to the large bank’s total risk while they are negatively related to the small bank’s total risk. Besides, we also found that it is the increase of liquidity risk and market risk that leads to the larger total risk of Chinese banks during the subprime crisis.     

金融投机、实需与国际大宗商品价格——信息摩擦视角下的大宗商品价格影响机制研究

本文实证考察了2005-2015年金融投机和实需对国际大宗商品现货价格的影响及其作用机理。首先对具有信息噪音属性的金融投机进行了明确识别。其次,从多个维度出发区分市场信息摩擦状态,定量分析不同信息摩擦环境中金融投机和实需的影响差异。研究发现:大宗商品价格在长期中由实需因素主导,短期中由金融投机主导;短期中,相对于低信息摩擦环境,在市场波动性较高、金融压力上升以及投资者情绪高涨的高信息摩擦环境中,以金融投机为主的信息噪音对大宗商品价格的影响更强。进一步分析证实,相比于低信息摩擦环境,高信息摩擦环境中金融交易者的市场份额反而降低。据此,本文提出稳定大宗商品市场的关键在于提高市场透明度,减少信息摩擦,从市场质量出发降低信息噪音的影响。     

Government Engagement,Environmental Policy,and Environmental Performance: Evidence from the Most Polluting Chinese Listed Firms

This study empirically examines the implementation of environmental policies and how government engagement impacts on a firm's environmental performance based on a sample of Chinese listed firms in the eight most polluting industries over a 10‐year period. The findings of the study demonstrate that government engagement, measured as ownership structure, is positively correlated with environmental performance, measured by environmental capital expenditure, for state‐owned firms, but no significant relation is found for non‐state‐owned firms. In addition, non‐state‐owned firms are more likely to perform better in terms of environmental investment after the 2006 enactment of a new policy explicitly linking environmental issues with political incentives to regional governments. This study also reports that corporate environmental performance impairs firm value for state‐owned firms but has no impact on firm value for non‐state‐owned firms, suggesting that investors negatively respond to environmental investments made by state‐owned firms as a result of government engagement/political pressure. Copyright © 2013 John Wiley & Sons, Ltd and ERP Environment.