Regulatory,design and methodological impacts in determining tidal-in-stream power resource potential

Tidal-in-Stream energy has been heralded by many as a significant potential source for clean power, a scheme where kinetic energy is extracted from tidal currents. A number of estimates have suggested that tidal power may become a sizeable fraction of overall electricity generation, however these estimates have been largely based on a resource assessment methodology that dramatically oversimplifies the physical phenomenon at play. This paper develops a model that considers the effect of energy extraction on the bulk flow, showing that tidal energy inventories that assess solely kinetic energy flux may represent both an order-of-magnitude overestimation of the resource and a significant oversimplification of regulatory impacts.     

高校教职工老住宅小区停车和交通调研分析

由于私人汽车数量剧增，住宅小区停车和交通问题日益凸显，尤其是早期建造的老住宅区情况更为突出．对徐州市高校教职工老住宅小区停车和交通状况进行了调研分析，提出了小区规划前期进行针对性调查、规划设计合理确定停车位指标、综合利用多种停车方式、加强管理以及倡导新交通方式等措施．     

对缺血性脑卒中患者二级预防、卒中风险及日常生活能力的门诊随访调查研究

目的：通过调查及概述本院门诊缺血性卒中患者的医疗现状，评价神经科门诊缺血性卒中患者二级预防中期随访结果，Essen卒中风险评分量表（EsRS）的有效性和可靠性及其与日常生活能力评定（mRS）的相关性。方法：以2010．7至2010．9内新发脑梗死门诊随访患者为研究对象，调查患者基本情况、危险因素、合并用药情况，并进行Essen及mRS评分。1年后随访患者，评价心脑血管终点事件发生率及其与Essen评分的关系。结果：人组102例患者，平均年龄67．4±岁，分别伴有糖尿病、高血压、高脂血症、动脉粥样硬化性疾病，追踪其一年后使用抗血小板药、降压药、降脂药及降糖药的比例。Essen评分与mRS评分呈正向相关关系；EsRS≥3分的患者终点事件发生率显著高于EsRs〈3分的患者。结论：目前缺血性脑卒中的二级预防仍存在药物应用不足、慢性基础疾病控制率低、长期依从性较差等情况。Essen评分可以有效地评估患者发生终点事件的风险以及缺血性脑卒中患者的预后。     

Thermal comfort and use of thermostats in Finnish homes and offices

Thermal comfort and use of thermostats in homes and office rooms were examined by a quantitative interview survey with a nationally representative sample in Finland. The total number of respondents was 3094. The results show that thermal comfort levels are lower in offices than in homes. People feel cold and hot more often in offices than in homes during both the winter and summer seasons. The perceived control over room temperature is remarkably low in offices. Higher thermal comfort levels and perceived control in homes are supported by greater adaptive opportunities. In offices people have fewer opportunities to control the thermal environment, people deal worse with thermostats, and people have lower opportunities to adapt to different thermal environments.     

Thermal comfort study of Kerala traditional residential buildings based on questionnaire survey among occupants of traditional and modern buildings

Thermal comfort studies on traditional residential buildings of Kerala that is known for its use of natural and passive methods for a comfortable indoor environment, are under progress. Scientific analyses of the environmental parameters determining thermal comfort have already been reported. Similar studies on modern residential buildings are underway. In order to compare the results of the scientific analysis with the user responses from the residents of traditional as well as modern residential buildings, a questionnaire survey was conducted during various seasons such as winter, summer and monsoon. A questionnaire was prepared in detail to understand the effect of factors which affect thermal comfort such as temperature, humidity and air flow in the evaluation of thermal comfort. This paper is based on the compilation of responses from the conducted survey. A comparison of the study results with that of scientific analysis already reported is also incorporated at the end of this paper. This study further confirms that Kerala traditional residential buildings are very effective in providing comfortable indoor environment irrespective of various seasons.     

发展新型墙体材料应以保护土地资源为基础

我国土地资源浪费严重,新型墙体材料快速发展的同时应加强生态建设和环境保护。通过对加大"禁实"力度,发展循环经济,建设节约型生态产业等的论述,指出了新型墙体材料的发展应适应建筑节能与可持续发展的需要,最后指出了在保护土地资源的基础上,发展新型墙体应注意的几个问题。     

基于三、四等水准测量在水利工程中的技术完善

水准测量是水文工作中必不可少的基础工作之一,也是水利工程设计与施工中必须的技术手段。文章从实践角度分析了三、四等水准测量的误差原因,提出了相应的技术完善手段,以把握调整仪器的基本要领、尽量延伸观测长度、借鉴测水准闭合法等方面的技术完善为主,从技术方面研究了三、四等水准测量的准确性,对保证三、四等水准测量为水利工程做出精准的数据支持提供了帮助。     

关于照明设计与照明节能若干问题的探讨

本文拟就照明设计与照明节能方面的一些典型问题提出来进行分析、探讨。     

Garmin GPS手持导航仪地图功能的应用

Garmin GPS手持导航仪是目前使用最为广泛的手持导航仪,在石油勘探导航定位中发挥了很大的作用,本文主要针对Garmin GPS手持导航仪所存储的航点、地图以及等高线等方面进行了研究分析,使用了多种方法将更多的定位数据存储于导航仪中,更加方便了野外地震采集海量导航数据的需求。     

Thermostat settings in English houses: No evidence of change between 1984 and 2007

Rising demand temperatures are widely blamed for UK home energy use not declining over time despite the increased efficiency of dwelling envelopes and heating technologies. The hypothesis that thermostat settings have risen over time is tested using a repeated cross-sectional social survey of owners of centrally heated English houses. No statistical evidence for changes in reported thermostat settings between 1984 and 2007 is found.