浅谈零缺陷与质量成本

阐述零缺陷在工作中的行动准则和零缺陷管理所要达到的最终目标,分析了零缺陷在实际生产中对质量成本的影响。     

典型脱硫工艺在火电厂的应用探讨

我国电力生产的水电为主,在全国发电量中火电占80%左右,而火电中90%为燃煤机组,燃煤电厂是污染大户,是酸雨及二氧化硫污染的主要来源之一.随着我国政府对酸雨及二氧化硫污染控制的高度重视,火电厂二氧化硫最高允许排放浓度和两控区内火电厂二氧化硫总量控制标准的实施.     

Effect of deteriorated microstructures on stress corrosion cracking of X70 pipeline steel in acidic soil environment

In order to investigate stress corrosion cracking (SCC) of X70 pipeline steel and its weld joint area in acidic soil environ-ment in China, two simulating methods were used: one was to obtain bad microstructures in heat affected zone by annealing at 1300°C for 10 min and then, quenching in water; the other was to get different simulating solutions of acidic soil in Yingtan in south-east China. The SCC susceptibilities of X70 pipeline steel before and after quenching in the simulating solutions were analyzed...     

出钢顺立案模型在宝钢炼钢厂的应用

从基本概念和程序的具体实现两方面,阐述了出钢顺立案模型的功能、特点以及在生产实践中所取得的效果。     

L-Fuzzy拓扑空间中的半内部、半闭包、半边界、半正则性质

在Ｌ－Ｆｕｚｚｙ拓扑空间中给出了半内部、半闭包、半边界和半正则的定义，讨论了它们的性质，并借助于它们给出了半开集、半闭集、正则开（闭）集的等价刻划．     

GB/T9945《热轧球扁钢》国家标准修订综述

简要介绍了热轧球扁钢的发展和技术要求,并研究了新标准的修订情况.     

Performance of Channel-Aware Scheduling Algorithms for HDR-WPAN

In this paper, we consider the performances in terms of system throughput and response time of various channel-aware scheduling algorithms for both MPEG streams and non-MPEG flows in a high-data-rate (HDR) wireless personal area network (WPAN). The algorithms under investigation are the shortest remaining processing time rule, the exponential rule, the modified largest weighted delay first rule, the maximum rate rule, and the proportionally fair rule. Decodability issues are taken care of by means of the frame-decodability aware technique and the burst transfer eligibility decision mechanism. The impacts of a number of factors including deadline and interference-plus-noise level are also examined. The investigations are carried out through extensive ns-2 simulations. Based on the numerical results, we propose a heuristic scheduling algorithm for MPEG streams that outperforms the above algorithms in terms of system throughput. The findings are useful for system designers.     

基于函数插值的柯氏质量流量计信号处理方法

对基于离散傅里叶变换(DFT)信号处理方式的柯氏质量流量计来说,影响其精度的关键问题是如何实现信号的整周期采样。提出了一种全新的方法,用采样率固定不变的采样数据,通过软件实时地确定信号的频率并且实现信号整周期重新采样。实验结果表明该方法在求取相位差时具有极高的精度。     

NOET合成方法的改进及其99Tcm标记

本工作主要在ＮＯＥＴ的合成方面做了一些改进,制备出纯度高,稳定性较好的ＮＯＥＴ的钾盐,并探讨了影响＾９９Ｔｃ＾ｍＮ－ＮＯＥＴ标记率的相关因素,由此得出最佳标记条件。在此条件下,＾９９Ｔｃ＾ｍＮ－ＮＯＥＴ的标记率可稳定在９０％以上。