地质调查安全生产远程监控系统开发与应用

目前地质调查工作中广泛应用的车辆导航系统和手持GPS虽然具备一定的便利,但无法获取野外作业车辆、作业人员行动轨迹和位置,延误勤保障服务的及时提供和突发事件的应急处置。地质调查安全生产远程监控系统采用北斗卫星定位技术、Web技术、天地图技术和无线通信技术等相关技术,构建了对野外地质调查人员、车辆、飞机和轮船进行统一监控,定位追踪、轨迹回放、双向通信、紧急呼救、应急保障和数据传输等的功能模块,并全流程、实时、动态地测试了系统在不同环境下的运行情况。结果表明:地质调查安全生产远程监控系统在不同自然环境下运行都较稳定,基本可以实现定位和短信通讯功能。     

Stigma in science: the case of earthquake prediction

This paper explores how earthquake scientists conceptualise earthquake prediction, particularly given the conviction of six earthquake scientists for manslaughter (subsequently overturned) on 22 October 2012 for having given inappropriate advice to the public prior to the L'Aquila earthquake of 6 April 2009. In the first study of its kind, semi‐structured interviews were conducted with 17 earthquake scientists and the transcribed interviews were analysed thematically. The scientists primarily denigrated earthquake prediction, showing strong emotive responses and distancing themselves from earthquake ‘prediction’ in favour of ‘forecasting’. Earthquake prediction was regarded as impossible and harmful. The stigmatisation of the subject is discussed in the light of research on boundary work and stigma in science. The evaluation reveals how mitigation becomes the more favoured endeavour, creating a normative environment that disadvantages those who continue to pursue earthquake prediction research. Recommendations are made for communication with the public on earthquake risk, with a focus on how scientists portray uncertainty.     

冷变形和溶解氧对308L不锈钢焊材应力腐蚀开裂的影响规律

目的 探究冷变形和溶解氧(DO)对308L不锈钢焊材在高温高压水环境中应力腐蚀开裂(SCC)行为的影响规律.方法 采用直流电压降法对308L试样裂纹扩展速率(CGR)进行在线测量,对比原始态、冷变形态308L焊材在DO和氢气除氧两种水环境中的SCC性能.参照F-A模型,结合冷变形前后材料微观组织和试样的断口形貌及裂纹扩...     

Impacts of disturbance from construction work on the densities and feeding behavior of waterbirds using the intertidal mudflats of Cardiff Bay,UK

The impact of disturbance from construction work around Cardiff Bay, south Wales, on the densities and feeding behavior of seven waterbird species was studied over an 11-year period. Construction of a barrage across the mouth of the bay has subsequently resulted in its impoundment; other major works included the construction of a bridge carrying a divided highway. Construction work disturbance significantly reduced the densities of five species—green-winged teal (Anas crecca), Eurasian oystercatcher (Haematopus ostralegus), dunlin (Calidris alpina), Eurasian curlew (Numenius arquata), and common redshank (Tringa totanus)—on adjacent intertidal mudflats, and thus the overall carrying capacity of the bay. Construction work also reduced the feeding activity of Eurasian oystercatcher, dunlin, and common redshank on these mudflats. The possible impact of the loss of birds from these mudflats upon the populations that the bay supported is discussed. Evidence from other local studies suggests that the displacement of common redshank from these mudflats did not contribute to a decline in this species.     

新形势下的教师工资激励机制探讨

教育在社会发展中起能动作用,教师的工资结构应符合社会主义市场经济规律和教师工作特点,实行按劳分配原则,除标准工资外,还要建立等级津贴和特殊工资,从而保证教育人才的稳定和提高,提高教育的国际竞争力。     

钱家营矿主要通风机性能测定实践研究

结合前人的经验 ,根据钱家营矿的实际情况 ,科学制定了主要通风机性能测定方案 ,尤其对西风井的特殊情况进行了大胆实践 ,以周密的安全措施为保障 ,在安全、可靠的前提下 ,采用了独特的测试手段 ,获得了满意的测定结果 ,丰富了主要通风机性能测定的内容和方法     

连体防护服样板结构的优化研究

防护服的结构和尺寸直接影响穿着者的舒适性及安全性。本研究是在现场观察的基础上，模拟作业人员的动作，对工作服的穿着状态进行了评价；并通过对服装样板的结构和尺寸进行分析，提出了修改方案，制作了新的样板及工作服。试穿结果表明，改进后的服装结构和尺寸更加合理，穿着舒适性也有所改善。本文的研究结果对合理设计防护服的结构及尺寸，保证穿着者的活动舒适性及安全性有一定的意义。     

煤矿安监系统数据通信可靠性的研究

煤矿安全生产监控系统的通信网络可归纳为单分站单设备、单分站双设备、双分站单设备和双分站双设备几种组网模式,通过对其任务可靠性和基本可靠性进行比较分析,综合考虑任务完成概率和维护成本两方面的要求,提出了双分站,局部(高故障点处)双设备的组网模式,以期有效提高通信网络的系统可靠性。     

基于风险优先的分级监察研究

本文提出了安全生产分级监察的思路和方法，并进一步论述了安全生产分级监察的内容与特点。将部分工业发达国家的先进安全生产监察经验总结为三种监察方法，即单纯循环法、事故跟进法和风险优先法。通过与安全生产分级监察进行比较后，得出了安全生产分级监察是适合我国安全生产监察现状和安全生产发展需求的新途径的研究结论。     

重大危险源安全监控系统运行模式分析与探讨

依据《安全生产法》和《国务院关于进一步加强安全生产工作的决定》对重大危险源监控工作要求，结合监控的概念，分析了重大危险源安全监控的内涵。通过分析生产经营单位与安全生产监管部门在重大危险源监控系统中的地位和职责，提出了重大危险源安全监控系统的架构，分析了企业端和政府端重大危险源安全监控系统的功能。