两种推力轴瓦温度高处理方式对比分析

本文介绍了推力瓦的温度高的两种处理方案，并对两种处理方式的实际效果进行了评价，指出了改造推力瓦温度相对较高的原因。     

仓储金融助推浙江省中小企业转型升级的路径

文章认为,浙江是中小企业大省,中小企业的发展决定了浙江未来经济发展前景,浙江省中小企业的出路在于转型升级,在转型升级中,融资难问题最为突出。文章指出,仓储金融作为仓储和金融交叉的金融创新,辅助商业银行开展动产担保贷款,在浙江拥有良好的发展环境和广阔的发展空间,可以有效解决中小企业融资困境,通过对担保动产的优先选择实现银行"绿色信贷",形成浙江产业集群与仓储金融良性互动机制,助推浙江中小企业转型升级,从而转变浙江经济发展方式。     

公司治理投票机制优化设计初探

借鉴一般性政治投票机制,并结合公司治理目的及其利益主体特性,提出两种改进公司治理投票机制的方案——可转移的累积投票和贮存式投票,并对这两种改进方案的积极意义进行评估和分析。最后,对公司治理投票机制优化设计的后续研究问题进行了展望。     

Linkages in international stock markets: evidence from a classification procedure

In this article, we propose a new approach to evaluate the predictable components in stock indices using a boosting-based classification technique, and we use this method to examine causality among the three main stock market indices in the world during periods of large positive and negative price changes. The empirical evidence seems to indicate that the Standard & Poors 500 index contains incremental information that is not present in either the FTSE 100 index (Financial Times Stock Exchange Index) or the Nikkei 225 index, and that could be used to enhance the predictability of the large positive and negative returns in the three main stock market indices in the world. This in turn would suggest a causality relationship running from the Standard & Poors 500 index to both the FTSE 100 and the Nikkei 225 indices.     

粮食储备仓型的比选与创新

文章从占地面积、机械化程度、人力成本、粮食的储备性能及建设投资等多方面对几种粮食储备仓型进行了比较,指明了各种仓型的优缺点,优选了落地无地沟式浅圆仓作为未来储备仓型。     

包装粮食储藏技术运用探讨

提高仓房利用率、降低粮食温度、提高储藏期内的粮食质量、减轻劳动强度、节约保管成本、,     

海量存储技术在数字化图书馆中的应用

海量数据存储技术作为支持信息时代数据中心建设的主要关键技术,获得了快速发展。本文分析了该技术在图书馆数字化中的应用及对图书馆数字化的发展的影响。     

卷烟滤嘴两种生产储运系统比较

在技术改造过程中,为了便于设备选型,对快速固化连接装置和自动化立体库这两种卷烟滤嘴棒储运系统进行了反复的考察和论证,认为这两种方式都能够在滤嘴棒成型机和发射机之间起到连接、储存、缓冲作用,但自动化立体库把物流技术、计算机管理和控制技术、网络技术、信息技术、数据库等有机结合起来,自动化、信息化程度高;储存量大,储存时间长,更易满足生产工艺要求;投资较少;生产组织灵活性高。     

河北保定高速某服务区蓄联热泵清洁供暖技术改造研究[JP]

为了提升空气源热泵低温环境中的热效率,解决热泵冬季易结霜、故障率高等问题,提出一种利用相变蓄能装置将空气源热泵和水源热泵组合的蓄联热泵技术。以河北保定高速某服务区蓄联热泵的改造工程为例,设计了蓄联热泵系统改造方案,并将蓄联热泵联合供暖系统的实际运行数据与位于同一地区、相似建筑中使用单一热源供暖的空气源热泵系统运行数据进行对比,考察供水温度、室内温度、单位供暖面积的耗电量和COP值等因素的变化情况。研究结果表明,在相同室外气温、相同单位面积供暖热负荷的条件下,蓄联热泵供暖效果更稳定,室内温度更高,蓄联热泵每平方米耗能相比空气源热泵低15.5%,综合COP提高了20.68%,静态投资回收期为11.89年。蓄联热泵清洁供暖技术具有一定的可靠性和经济性,适用于低温持续时间较长的偏远山区等寒冷地区,研究结果对蓄联热泵的推广具有重要的借鉴意义与应用价值。     

Urbanization as a land use change driver of forest ecosystem services

Land use change in the form of urbanization is a direct driver affecting the provision of ecosystem services from forests. To better understand this driver, we modeled the effects of urbanization on three regulating and provisioning ecosystem services in two disparate watersheds in Florida, USA. The study integrated available geospatial and plot-level forest inventory data to assess future changes in carbon storage, timber volume and water yield during a period of 57 years. A 2003–2060 urbanization and land use change scenario was developed using land cover data and a population distribution model. The Integrated Valuation and Ecosystem Services Tradeoffs model was then used to quantify changes in ecosystem services. Carbon storage was reduced by 16% and 26% in the urbanized 2060 scenario in both the rural Lower Suwannee and urban Pensacola Bay watersheds, respectively. Timber volume was reduced by 11% in the Lower Suwannee and 21% in the Pensacola Bay watershed. Water yield, however, increased in both watersheds by 4%. Specific sub-watersheds that were most susceptible to urbanization were identified and mapped and ecosystem service interactions, or trade-offs and synergies, are discussed. Findings reveal how urbanization drives the spatio-temporal dynamics of ecosystem services and their trade-offs. This study provides policy makers and planners an approach to better develop integrated modeling scenarios as well as designing mapping and monitoring protocols for land use change and ecosystem service assessments.