城市景区大跨负埋深隧道半盖半挖施工应用

本文根据城市景区大跨负埋深隧道施工特点,介绍了处于山高林密间飞地的负埋深露头段隧道,利用已开挖隧道做通道强行出洞、做初期支护保护壳、边盖边挖、二次进洞开挖、预留投料孔施工护拱的绿色环保施工方法,创造性的解决了地处景区、林区露头隧道施工的难题,取得了较好的经济、社会效益,加快了施工进度。     

铁离子、亚铁离子变化对工业锅炉酸洗的影响

介绍工业锅炉酸洗中铁离子的来源,并以实例说明酸洗中应强化对铁离子、亚铁离子(Fe3+、Fe2+)的化学监测,使锅炉酸洗安全进行,及终点的判断。     

热泵技术应用与电力市场开拓

文章从热泵技术原理、分类以及山西地区热泵应用自然条件和现状出发,选取应用案例对热泵和城市集中供暖的经济性进行比较,说明其在节能减排、经济性方面的优势,指出供电公司在热泵推广应用中可做的工作。     

施工中高层框剪结构住宅楼板开裂的预防和处理

进入21世纪以来,人们生活水平不断提高,现代社会对建筑施工项目整体质量要求越来越高。随着高层建筑物数量的增加,建筑物中高层框剪结构住宅楼板施工面临着更大的挑战。要想满足现代社会对建筑整体质量的实际要求,施工企业必须结合实际建设状况,不断强化中高层框剪结构住宅楼板施工,为提升建筑物的整体质量提供技术保障。但是,在实际施工建设过程中,建筑物中高层框剪结构住宅楼板施工受诸多因素的影响仍存在较多问题,如楼板开裂、脱落以及老化等。中高层框架结构一旦出现质量问题,建筑物整体质量将受到严重削弱。因此,建筑施工企业必须采用新技术、新工艺和新材料有效预防和处理中高层框剪结构楼板开裂问题。     

高职高专考试考核方式改革之探索

本文以宁夏工商职业技术学院机电工程系《典型电气控制设备的安装》考试考核方式改革为例,分析了传统的教学方法和教学内容已经不能适应人才培养的需要。怎样按职业教育的规律和特点培养出符合企业需要的人才是目前高职院校的头等大事,机电工程系经过多年的研究和实践,探索出了校企合作、工学结合的人才培养模式是在高等职业教育中一种非常有效的人才培养模式,而这种人才培养模式的实施,其关键在于教育教学的课程改革。由此引出了课程体系构建、教学内容选择、教材编写、双师素质教师的培养、教学环境建设、教学方法、考试考核方式改革和教学组织等一系列课题。     

推广创新券支持中小企业创新应注意的几个问题

"创新券"是针对中小企业普遍存在的创新力度不足而采用的一项政府投入政策。其推广可以促进科技与经济的有机结合。本文从多方面指出了推广创新券支持中小企业创新应注意的几个问题。     

The future of the chef occupation and the food and beverage sector after the COVID-19 outbreak: Opinions of Turkish chefs

The aim of the present study is to reveal the opinions of the chefs who working as a manager in the kitchen department within the food and beverage sector about what changes might have occurred in their occupation and food and beverage sector after the COVID-19 outbreak. The data were collected through online interview forms and content analysis was used as a data analysis method. The findings reveal three main categories: general opinions after the COVID-19 outbreak, changes that could occur in the food and beverage sector after COVID-19 outbreak, and thoughts for the future of the chef occupation after the COVID-19 outbreak. Since this paper is the first to reveal the opinions of the chefs about what changes might have occurred in their occupation and food and beverage sector after the COVID-19 outbreak, and no similar study could be found in the existing literature, these findings are original.     

Where to park? A behavioural comparison of bus Park and Ride and city centre car park usage in Bath,UK

Integrating car parking facilities with public transport in Park and Ride (P&R) facilities has the potential to shorten car trips, contributing to more sustainable mobility. There is an ongoing debate about the actual effects of P&R on the transport system at the subregional level. A key issue is the relative attractiveness of city centre car parks (CCCP), P&R and public transport. The paper presents the findings of a comparative empirical case-study based on a field survey of CCCP and P&R users conducted in the city of Bath, UK. Spatial and statistical analyses are applied. Radial distance to parking, availability of P&R sites in the direction of travel, gender, age, income and party-size are found to be important factors in a binary logistic regression model, explaining the revealed-preference of parking type. Stated analysis of foregone parking alternatives suggests more use of public transport and walking/cycling would likely occur without first-best parking alternatives. The policy implications and possible planning alternatives to P&R at the urban fringes for achieving greater sustainability goals are also discussed.     

The effect of heterogeneous beliefs on mergers and acquisitions

This article investigates the effect of heterogeneous beliefs on firms’ mergers and acquisitions (M&A) decisions. Using data of China’s financial market, which is featured with great heterogeneity of belief, we find that heterogeneous beliefs are positively associated with the occurrence of M&A transactions, and firms with greater heterogeneous beliefs are more likely to pay the transactions with stock. Moreover, we show that government intervention, measured by state ownership, weakens the effect of heterogeneous beliefs on firms’ M&A decisions.     

Determinants of discretionary fiscal policy in Central and Eastern Europe

This paper explores economic, political and institutional determinants of discretionary fiscal policy in 11 Central and Eastern European (CEE) countries from 2000 to 2013 and compares discretionary fiscal reactions before and during the global economic crisis. We find that fiscal policy was procyclical to the output gap both before and during the crisis, while no fiscal reaction to the absorption gap was captured. Our results also indicate a negative relationship between the level of public debt and deficits over the entire period and the pre-crisis period, suggesting that rising public debt represented a brake on future deficits. We also find that election cycles affect the fiscal deficit, but only during the pre-crisis period, while no evidence of a relationship between fiscal policy and government fragmentation was captured. We find some evidence that in the pre-crisis period the CEE countries with a fixed exchange rate regime ran lower deficits than those with a floating regime, whereas during the crisis no impact of the exchange rate regime on the fiscal deficit was found. There is also some evidence that an arrangement with the IMF was associated with lower deficits for the entire sample period. However, no impact of EU accession on the fiscal stance was identified.