浅谈核电工程建设阶段经验反馈体系策划与工作实施

经验反馈是核电厂重要管理工作之一,对于保障核电厂建造质量和核电厂安全稳定远行有着重要意义。该文介绍了核电工程建设阶段经验反馈体系构建和开展经验反馈工作的思路,以期为在建核电工程经验反馈体系策划和具体实施工作提供借鉴和参考。该文参考运行核电厂经验反馈管理标准,结合工程建设阶段核电厂管理实践,总结提出工程建设阶段核电厂经验反馈管理体系策划和管理实施方面的良好实践,以期为核电工程建设单位经验反馈体系构建和工作实施提供借鉴和参考。     

EPC模式下核电全厂通信系统项目过程管理难点解析

在压水堆核电厂建设期间,核电全厂通信系统设备数量很大,遍布整个电厂.其在核电厂设备安装、调试阶段起着举足轻重的作用.核电厂全厂通信系统设备具有规格繁杂、数量大、采购数量不确定等特点,也正是因为这些特点,给国内正处于核电EPC模式发展阶段的项目管理带来很大的挑战.作者通过大量实践,总结出EPC模式下核电全厂通信系统采购包从招投标、合同执行、安装、调试等项目生命周期全过程中易出现的管理难点,并提出解决方案.为后续核电系统采购包项目管理提供有价值的管理建议.     

核电工程项目移交接产管理方法研究

移交接产是核电工程建设不可或缺的一部分,贯穿于整个电站的建设过程。通过移交接产工作可以及时发现并处理机组在设计、制造、施工阶段的缺陷或错误,为确保核电站的建设质量与运行安全奠定基础。在阐述移交接产管理重要意义的基础上,从移交接产的组织机构、运作机制、考核机制建立以及分项分阶段管理等方面提出了核电工程项目的移交接产管理方法,为后续其它核电工程的移交接产管理累积宝贵经验。     

核电站调试阶段的最小TOTO系统移交管理浅析

核电站工艺系统复杂、建设周期长,调试实施和移交过程的顺利开展是保障机组商运准备的关键环节,其移交管理成效直接影响工程项目建设的进度和质量。本文阐述了核电站移交接产管理特点,总结了机组调试阶段最小TOTO(Take Over for Temporary Operation,临时运行移交/交接试运行)系统的设置原则,并对调试阶段最小TOTO系统的引入意义进行了分析,为后续核电工程的调试实施和移交管理做好指引。     

浅谈核电建设期的计划管理

核电发展对我国能源安全和能源基地的合理布局有重要的战略意义。核电的建设管理模式的不同,核电的工程计划管理工作的内容也会随之发生变化。本文是在大业主工程管理模式下(监理、设计、采购、土建、安装、调试均外包)对二代加改进技术的M310核电机组在建设期的计划管理工作进行了简单的探讨。分工程计划的分阶段和分级管理、计划管理职责分工、进度计划的编制、计划的调整控制四个方面分别介绍了核电建设中的计划管理工作。     

宝龙城市广场环境影响评价研究

分析了宝龙城市广场工程组成及主要环境影响,并且分别对项目建设期和运营期对水环境、大气环境、噪声环境、固体废物环境以及环境经济损益分析等几个方面进行了分析探讨,提出了防治污染和减缓影响的保护措施。通过分析为同类项目工程建设减少对环境的影响,指导工程环保设计和环境管理工作提供参考。     

核电工程总承包企业的知识管理

核电作为安全、清洁、高效能源和战略性新兴产业,在当前面临着巨大的发展机遇。核电工程总承包企业承担着核电项目工程设计、设备采购、建安施工、启动调试全过程总承包管理业务,对核电工程项目的安全、质量、进度、费用负有重要责任。为进一步提高核电工程建设的专业水平与服务质量,为核电站的安全运行提供可靠的建设保证,核电工程总承包企业需充分调动与运用企业的知识资源,从目标规划、组织机构建设、制度建设、平台建设等方面,全面开展知识管理工作,确保企业整体水平和竞争优势的稳步提高。     

河源一期2×600MW超超临界机组DCS工程经验总结

本文针对河源电厂2×600MW超超临界机组工程建设中DCS方面的工作,从系统设计、安装、软件组态、调试等方面进行了总结,归纳了工程中需要注意的一些关键点及相关措施,可供国内同型机组参考。     

秦山三期（重水堆）核电站工程建设和重大技术创新

秦山三期重水堆核电站是我国首座商用重水堆核电站,也是中国和加拿大两国政府间迄今最大的贸易项目。业主秦山第三核电有限公司在工程建设、调试及自主运行的过程中,坚持自主创新管理,有效实施工程质量、进度和投资三大控制;并在消化吸收CANDU-6技术的基础上进行改进,提高机组的安全性和可靠性。工程的建设实践,使我国核电工程管理在已有的基础上,基本实现了程序化、信息化的规范管理并与国际接轨。工程建成后,在保证机组安全稳定运行的基础上又进行了多项技术改进和创新,使机组性能持续提高。在人才培养方面,注重培育企业文化,强化人员培训,建立起员工培训与工程建设互相促进的良性循环机制。秦山三期工程在核电项目管理水平的提高和发展,可为推动我国核电发展和大型引进工程的规范化管理提供借鉴。     

国际接轨的工程造价控制方法

工程造价控制是工程投资建设管理的核心部分,始终贯穿工程建设的全过程,包括:前期的可行性研究、投资决策,到建设期的设计、施工、监理,再到项目投产调试、运行所需全部建设费用的确定、控制、监督和管理。在国际化的今天,如何使用通用而优越的工程造价控制方式,优化造价管理和控制是我们急需解决的一个课题。     

Markedness and its Interpretation in Language Use

Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.     

Features of Women's language

Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women＇s language from these perspectives： pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women＇s language, more attention should be paid to language use in social context. What＇s more, the linguistic phenomena in a speaking community can be understood more thoroughly.     

An Analysis of Catherine＇s Character——Wuthering Heights

Wuthering Heights, Emily Bronte＇s only novel, was published in December of 1847 under the pseudonym Ellis Bell. The book did not gain immediate success, but it is now thought one of the finest novels in the English language. Catherine is the key character of this masterpiece, because everybody and everything center on her though she had a short life. We can understand this masterpiece better if we know Catherine well.     

Lower Paleozoic oil relationships within Williston Basin, Canada

The Williston Basin is a significant petroleum province, containing oil production zones that include the Middle Cambrian to Lower Ordovician, Upper Ordovician, Middle Devonian, Upper Devonian and Mississippian and within the Jurassic and Cretaceous. The oils of the Williston Basin exhibit a wide range of geochemical characteristics defined as "oil families", although the geochemical signature of the Cambrian Deadwood Formation and Lower Ordovician Winnipeg reservoired oils does not match any "oil family". Despite their close stratigraphic proximity, it is evident that the oils of the Lower Palaeozoic within the Williston Basin are distinct. This suggests the presence of a new "oil family" within the Williston Basin. Diagnostic geochemical signatures occur in the gasoline range chromatograms, within saturate fraction gas chromatograms and biomarker fingerprints. However, some of the established criteria and cross-plots that are currently used to segregate oils into distinct genetic families within the basin do not always meet with success, particularly when applied to the Lower Palaeozoic oils of the Deadwood and Winnipeg Formation.     

低渗透非均质砂岩油藏启动压力梯度研究

理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。     

On Tragic Consciousness In The Works By Ernest Hemingway

As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.     

Achieving Unusual States of Matter Under High Pressure

正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-     

Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations

We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-     

Density Functional Theory for the Response of Periodic Systems to Electric Fields Based on the Vector Potential Approach

正The electronic and nuclear(structural/vibrational)response of 1D-3D nanoscale systems to electric fields gives rise to a host of optical,mechanical,spectral,etc.properties that are of high theoretical and applied interest.Due to the computational difficulty of treating such large systems it is convenient to model them as infinite and periodic(at least,in first approximation).The fundamental theoretical/computational problem in doing so is that     

On the Thermodynamic Limit for Responses to Static Electromagnetic Fields

For molecular systems,the quantum-mechanical treatment of their responses to static electromagnetic fields usually employs a scalar-potential treatment of the electric field and a vector-potential treatment of the magnetic field.Although the potential for each field separately is associated with the choice of an(unphysical)origin,the precise choice of the origin for the electrostatic field has little consequences for the results.This is different for the