基于电网电力设备“两态”管理体制的安全生产责任体系建设的研究与应用

介绍了安全生产责任体系建设的基本内容,分析了电网电力设备安全生产现状及存在问题,并结合相关实践经验,分别从强化电网电力设备状态检修等多个角度与方面,探讨了电网电力设备安全生产责任体系建设策略。     

Lipofilling in Breast Oncological Surgery: A Safe Opportunity or Risk for Cancer Recurrence?

Lipofilling (LF) is a largely employed technique in reconstructive and esthetic breast surgery. Over the years, it has demonstrated to be extremely useful for treatment of soft tissue defects after demolitive or conservative breast cancer surgery and different procedures have been developed to improve the survival of transplanted fat graft. The regenerative potential of LF is attributed to the multipotent stem cells found in large quantity in adipose tissue. However, a growing body of pre-clinical evidence shows that adipocytes and adipose-derived stromal cells may have pro-tumorigenic potential. Despite no clear indication from clinical studies has demonstrated an increased risk of cancer recurrence upon LF, these observations challenge the oncologic safety of the procedure. This review aims to provide an updated overview of both the clinical and the pre-clinical indications to the suitability and safety of LF in breast oncological surgery. Cellular and molecular players in the crosstalk between adipose tissue and cancer are described, and heterogeneous contradictory results are discussed, highlighting that important issues still remain to be solved to get a clear understanding of LF safety in breast cancer patients.     

轧机主传动安全销弹塑性有限元分析

本文针对轧机主传动系统的安全销在破坏前已产生了塑性变形,采用三维弹塑性有限元对安全销进行应力分析,模拟出材料的应力-应变非线性曲线,并运用牛顿-拉普森平衡迭代法根据模拟出的应力-应变非线性曲线对安全销进行应力计算,通过多次试算得出其能承受的最大载荷,并提出了改进意见.     

氢能——我国未来的清洁能源

首先介绍了氢能的诸多优点,例如资源丰富、来源多样性、可再生性和可储存性等,特别指出氢的可储存性使其具有和电、热不同的能源载体的用途。进而就我国能源资源情况、能源安全、环境要求以及经济可持续发展的角度说明我国发展氢能的必要性。说明发展氢能燃料电池汽车、分散供电、供热都将是我国经济持续发展的新的增长点。当前,各国制定氢能发展规划,加大发展氢能的力度,出现氢能国际化的苗头。对此,作者建议应根据我国国情特点,制定我国的氢能发展计划和目标,同时,积极参与氢能国际化活动,为我国的可持续发展争取条件。     

油罐清洗过程中的安全管理

阐述了油罐在清洗过程中可能出现的各种事故，以及针对各种事故所采取的预防措施，从而从根本上控制油罐清洗过程中安全事故的发生。     

广州新白云国际机场压型钢板锌加涂装工艺

列举了业主规定的压型钢板的涂装配套及膜厚要求,介绍了锌加的涂装工艺、安全与环保、质量检验。     

基于GPS/GIS的公共安全监测系统的研究

GPS技术在公共安全监测领域中的应用正向高精度、实时化和自动化的方向发展。GPS公共安全监测不仅注重结果,还要分析产生变形的原因。要实现这一目标,就需要借助于G IS的空间分析功能,即需要建立一种基于GPS/G IS的公共安全监测系统。研究了GPS监测的似单差数学模型和算法流程,由于该模型只用到L1载波相位观测值及伪距,因此可适用于单频接收机,从而降低监测成本。同时,结合GPS公共安全监测的特点,提出了GPS/G IS公共安全监测系统的技术路线。     

Safety intelligence: An exploration of senior managers' characteristics

Senior managers can have a strong influence on organisational safety. But little is known about which of their personal attributes support their impact on safety. In this paper, we introduce the concept of ‘safety intelligence’ as related to senior managers' ability to develop and enact safety policies and explore possible characteristics related to it in two studies. Study 1 (N = 76) involved direct reports to chief executive officers (CEOs) of European air traffic management (ATM) organisations, who completed a short questionnaire asking about characteristics and behaviours that are ideal for a CEO's influence on safety. Study 2 involved senior ATM managers (N = 9) in various positions in interviews concerning their day-to-day work on safety. Both studies indicated six attributes of senior managers as relevant for their safety intelligence, particularly, social competence and safety knowledge, followed by motivation, problem-solving, personality and interpersonal leadership skills. These results have recently been applied in guidance for safety management practices in a White Paper published by EUROCONTROL.     

基于灰色模糊层次分析法的企业云服务安全评价模型

从企业实施云服务项目角度,总结得出影响云服务安全的四大因素,即平台设施、运行安全、运营管理以及法律法规因素。在此基础上构建企业云服务安全评价模型,并利用灰色模糊层次分析法（ GFAHP）对模型进行综合评价。最后通过一个实例进行具体阐明与评价。     

安全关键系统的栈空间分析研究

由于存储空间异常引起的系统故障,系统开发或维护人员很难从失效特征直接判断到根原因。另外,存储空间异常通常会引起整个系统崩溃,对于安全关键系统,如航空电子系统,系统的失效往往会引起坠机或人员伤亡,因此,对安全关键系统的空间分析显得尤为重要。由于系统栈空间的分析涉及系统动态运行状态,在程序的任意点都有可能被中断服务程序或实时操作系统的其它任务中断。此外系统的栈分析需要基于目标码等特性,再次增加了对于系统栈空间分析的难度。本文从栈空间分析的必要性出发,提出一种综合中断抢占图的栈分析理论和方法,并就安全关键系统如何保证栈空间使用的确定性进行论述。最后,就安全关键软件系统FCOS的栈空间分析过程进行详细的阐述。