浅谈建筑工程中渗漏的防治措施

建筑工程的渗漏问题是建筑工程质量问题中的一大通病,渗漏问题也越来越受到人们的关注。因此,减少建筑工程渗漏问题的出现,这已经成为建筑工程控制质量最重要的一点。本文在介绍建筑工程中常见渗漏问题的基础上阐述了渗漏问题的防治措施。     

某车型后门框胶条和后侧窗玻璃质量改进

文章分析了上汽通用五菱汽车股份有限公司某款车的后门框胶条和后侧窗玻璃在开发过程中遇到的问题,并对其质量改进进行了总结。     

土石坝常见病害处理措施分析

土石坝病害实时处理是保证其安全稳定的重要措施,文章结合实际工作经验,在简要分析土石坝常见病害形式的基础上,提出综合性的病害处理策略。     

Correlated daily time series and forecasting in the M4 competition

We participated in the M4 competition for time series forecasting and here describe our methods for forecasting daily time series. We used an ensemble of five statistical forecasting methods and a method that we refer to as the correlator. Our retrospective analysis using the ground truth values published by the M4 organisers after the competition demonstrates that the correlator was responsible for most of our gains over the naïve constant forecasting method. We identify data leakage as one reason for its success, due partly to test data selected from different time intervals, and partly to quality issues with the original time series. We suggest that future forecasting competitions should provide actual dates for the time series so that some of these leakages could be avoided by participants.     

THE IMPACT OF THE EU EMISSIONS TRADING SYSTEM ON COMPETITIVENESS AND CARBON LEAKAGE: THE ECONOMETRIC EVIDENCE

This paper carefully surveys the econometric literature that tests for competitiveness effects and related carbon leakage caused by the EU Emissions Trading System (EU ETS). The results of this literature tell us that to date there is no evidence of the EU ETS having had widespread negative or positive effects on the competitiveness of regulated firms, nor is there evidence of significant carbon leakage. However, the paper also identifies three important caveats to this general conclusion. Firstly, the evidence we have still largely refers to the first two trading periods, namely Phases I (2005–2007) and II (2008–2012). Secondly, some heterogeneity of estimated effects is observed, but patterns, notably sectoral patterns, hardly emerge. Thirdly, very little explored is whether the EU ETS has had long-term effects on the economy via investment leakage or firm dynamics. Further empirical studies investigating these long-term effects are particularly desirable.     

轻型BX6-200交流弧焊机的设计

轻型交流弧焊机是一种供单人手工操作，进行交流电弧焊接的电源，它具有体积小、重量轻、移动方便的特点，在日常生产中应用非常广泛。文章着重论述BK-200交流弧焊机的设计方法和计算步骤。     

建筑物防渗措施及补漏技术

根据建筑的具体实施,我们不断地发现现在有不少的建筑存在渗透和渗漏的现象,对此,我们介绍几种防渗和补漏的措施,以尽可能的减少建筑中存在的漏洞,具体的说明防渗的技术有哪些,补漏的技术有哪些,并且从这些技术上我们可以从中把我们的建筑更加的完善和完整,我们将找出渗漏的原因是什么,是否是裂缝产生的还是混凝土所造成的原因,等等,进行一系列的研究。     

东敢水库主坝区主要渗漏通道分析及防渗处理

在对病险水库的除险加固施工中,确定水库主要渗漏通道和主要渗漏区对项目施工至关重要。     

Impact of Regulatory Enforcement on Leakages Prior to Analyst Recommendations

The financial press suggests that information is commonly leaked prior to analyst recommendations. We examine the impact that three regulatory actions (Regulation Fair Disclosure, Global Analysts Research Settlement, and the legal case against Galleon Group) have on information leakage prior to analyst recommendations. We find that all three regulatory actions have significantly reduced the leakage of information prior to analyst recommendations, even after controlling for several characteristics that explain the variation in information leakage. Our results are robust when applying an alternative method of measuring information leakage, and when forming various samples of analyst recommendations based on different criteria.     

危险化学品泄漏事故的混沌动力学特性分析

为探讨如何有效地预防和控制危险化学品泄漏事故,运用混沌理论方法对焦作市某化工厂泄漏事故统计数据进行了时间序列分析和R/S分析,指出危险化学品泄漏事故具有明显的混沌特性。分析和讨论了危险化学品泄漏事故的混沌特性,并对后续短期内可能发生的事故进行了预测。