Hydrochloric acid tank explosion

Explosions in hydrogen chloride storage tanks are very rare. However, we have experienced one. The explosion was so powerful that the tank with a capacity 250 kL, 60% filled with 33% HCL, took off from the ground went up to 8–9 m high in air and landed around 50 m away. The contents of the tank sprayed all over the nearby area. Though the tank was surrounded by other plants and equipment, fortunately, it landed in a barren area. This averted loss of life and property that would have otherwise resulted. © 2009 American Institute of Chemical Engineers Process Saf Prog, 2009     

流通中产品储存温度的无线网络化监控系统的研究与构建

研究与构建对流通中产品的储存温度在国内及全球范围内的实时监控系统。利用温度传感器、单片机芯片、无线发射传输技术及网络技术实现对产品储存温度的实时监测,并通过控制系统实现对加热及降温装置的有效控制,从而保持储存室内处于合理的温度范围。     

非战争军事行动条件下后方仓库储备结构研究

依靠分析非战争军事行动装备储备的需求特征,建立非战争军事行动装备储备结构度量体系,通过数学模型运算,确定在该度量体系奈件下的后方仓库储备内容品种的合理构成;并以此为基础,构建非战争军事行动装备储备结构的优化模型．为科学设计储备内容提供定量依据。     

基于张量投票的图像超分辨率算法

张量投票算法在提取图像主观轮廓上具有良好的效果。文章提出了一种基于张量投票的图像超分辨率算法。首先,用二维张量矩阵存储低分辨率图像各像素点所处的位置特征信息,并利用稀疏张量投票将特征信息进行加强,再使用稠密张量投票产生高分辨率图像对应的二维张量矩阵,此张量矩阵包含了视觉特性强的边缘信息,最后利用该边缘信息指导高分辨率图像的重构。实验结果表明,该方法得到的高分辨率图像信噪比高、视觉效果好。     

粮食钢板筒仓储粮特性与工艺设计要点

论述了我国粮食钢板筒仓的应用发展概况,分析粮食钢板筒仓的类型、制造过程和各自优缺点。介绍了钢板筒仓的结构组成、储粮特性,并从粮食钢板筒仓工艺设计方面出发,对粮食钢板筒仓工程的工艺流程设计、工艺布置、筒仓容积计算及配套设备做了较全面的探讨。最后,强调了钢板筒仓工程设计中的安全事项。     

GPU编程模型中存储体冲突的研究

GPU并行计算模型中使用共享内存是提高并行计算效率的重要途径,由于进程访问导致的存储体冲突,却会成倍地降低执行效率。经过分析存储体冲突产生的原因,提出了对算法的修改来解决存储体冲突的原则与方法,并通过对聚类算法的实施进行验证。     

Dual class shares – is India ready for it?

Market evidence suggest that a class of common stock with superior voting rights trades at systematically higher prices than an identical class of stock with inferior voting rights, as control over the firm grants the promoters some opportunity to receive a higher payoff. Differential voting rights class of shares may attract a certain class of investors who are only interested in the economic benefits of a company. It assists management in deterring potential rivals from winning a control and allows raising fresh capital for growth without giving up control. The value of controlling a firm derives from the fact that you believe that you or someone else would operate the firm differently from the way it is being run currently. Differential voting rights shares in different countries have indicated that voting rights are generally worth between 10% and 20% of the value of common stock. This article intends to create awareness about differential voting rights shares, to study the international as well as domestic experience and tries to examine the various factors that affect differential voting rights share prices.     

银行保兑仓业务和担保授信创新与应用

银行保兑仓业务和担保授信在当今市场经济中发挥着重要作用,本研究的目的在于：弄清其概念与内涵,揭示其基本要求、操作方式与流程;并提出和论证在传统保兑仓融资过程中信用担保介入的操作模式与应用问题。     

Experience and the unexpected: risk and mitigation issues for operating underground storage silos for coal-fired power plant

Observed autoignition events and extinguishing the resulting smouldering fires in an underground storage system of a coal-fired power plant have provided insight into the array of contributing variables, and some experience on quantifying the risk with alternative scenarios of event initiation, progress and potential mitigation. Although the first attempts to quantify the risk suggest high sensitivity to the sequence of action taken after fire alarm, and no similar storage sites really exist, some recommended preventive, corrective and other mitigating activities can be at least partly defined and improved by using the cumulative experience and parallel efforts in other closed or underground storage sites. However, there are also so-called black (or at least grey) swans: unexpected events for which the facility may be poorly prepared for. In the case of the underground storage silos, such an event was experienced when incoming cold coal during a harsh winter season froze the sewer system that normally protects the stored coal from seepage water. With blocked normal bypass, the seepage water found its way to the coal silos and created large clumps of icy coal that blocked the coal conveyors. Although freezing weather is not unusual at high-latitude power plants, the common methods to combat freezing of coal are mainly useful for open storage sites and above-ground transport. Options for mitigation are discussed, as well as the event chain leading to an event that had never previously occurred. The case is discussed from the point of view of options to prepare for rare or unforeseen events.     

Managing geoenergy-induced seismicity with society

Contemporary and future low-carbon energy supply requires using the deep underground. Ample evidence shows that onshore oil and gas extraction, associated wastewater injection, deep geothermal systems, and carbon capture and storage can induce damaging seismicity. While induced seismicity exhibits symptoms of a potentially controversial issue, research today has been limited to seismic hazard and risk. Here we argue for the need of social scientific insights to inform risk communication and processes of managing geoenergy-induced seismicity with society.