如何合理确定大型项目的付款比例

结合<工程造价基础理论与相关法规>的学习研究,讲述了如何运用现金流量与资金的时间价值理论,为资金流量较大的大型工程项目制订合理的付款方式,以合理确定大型项目的付款比例,缓解业主方在资金流动方面的压力.     

COSTA: A Computerized Support System for the Emergency Technical Advisory Body in Japan

If an accident resulting in an emergency occurs at a nuclear facility, the emergency technical advisory body (ETAB) is asked to make technical advice to the national government for emergency response. In order for the ETAB to carry out its role, a significant amount of materials containing information on nuclear power plants is prepared in the ETAB. These materials are all paper copies and very voluminous. Therefore it is required that they should be computerized for more effective use. Further, methods should be developed which aid the ETAB to understand the status of the affected facility and to predict potential radioactivity release to the environment.

To support the ETAB's activities in an emergency, the materials have been computerized as databases for more effective and quick use of them, and an expert system has been developed to quickly predict accident progression and environmental fission product release with the multivariate analysis method. The databases and the expert system have been unified to be a system of COSTA. The first phase of developing COSTA has been completed in FY1992. This paper describes the present status of development of COSTA.     

铜密闭鼓风炉生产效益的回归分析

通过铜密闭鼓风炉生产过程中关键指标的回归分析,寻找降低消耗、增加产出、提高经济效益的有效途径     

近场项对车用交流发电机气动噪声影响分析

为了探究近场项(反射面、端盖及定子)对车用交流发电机气动噪声的影响,基于Lighthill声比拟理论,大涡模拟(LES)方法及边界元法对交流发电机的气动噪声特性进行研究。结果表明:仿真得到的主要阶次及幅值与实验相比一致性较好,验证了仿真方法的正确性;第4、6、8、9、10及12阶次为该型交流发电机的主要阶次;反射面对各主要阶次皆有影响,端盖主要影响10阶次,定子主要影响6及9阶次;反射面对左、上测点声压级影响较大,端盖对左、右测点影响较大,定子对各测点几乎无影响;近场项对五点平均总声压级的影响大小依次为:反射面>端盖>定子。     

电建施工中英文图纸资料的翻译方法及知识积累

我国电力工业的迅速发展与科学技术的进步,大量国外先进电力设备的引进和使用,使英文图纸资料翻译的重要性日益提高。本文结合实际论述了电建施工中英文图纸资料的翻译方法,以及在翻译过程中如何进行知识的积累。翻译的过程与知识积累的过程相辅相成、互相作用,形成了一个“翻译过程／知识积累”有机整体。通过几个实例,重点论述了掌握这一过程的可行性和规律性。     

英语科技术语的翻译

英语科技术语翻译要做到翻译等值,译应尽量找到语义场完全对应的词。因此,在翻译时应抓住两个环节：一是细心理解原,把握术语在特定的上下关系中可能的含义;二是依靠专业知识,查阅相关专业词典。     

科技术语的语义泛化研究

科技术语的语义泛化一般通过不同的修辞方式产生。科技术语的语义泛化往往引起辞典释义的变化。目前,通过语义泛化进入日常交际领域的科技术语还必须进行严格的规范和完善。     

无机非金属增强铸造金属复合材料常用术语分析

总结了用无机非金属材料增强金属材料液态成形中所遇到的常用概念、术语及定义，介绍了复合材料铸造中所用材料、工艺方法的基本分类。     

Non-singular term effect on the fracture quantities of a crack in a piezoelectric medium

The static problem of a crack in a piezoelectric plate subjected to biaxial loading at infinity is analyzed. The aim of this paper is to estimate the influence of non-singular terms originated by the load biaxiality on the stress fields and on the elastic and electric displacements in the vicinity of the crack tip. An analytical method for seeking the electro-elastic solution is proposed. The novel procedure involves a transformation of similarity induced by the fundamental matrix that enables to express the equations governing the problem in terms of complex potentials. The application of the boundary conditions leads then to the formulation of Hilbert problems whose solutions allow to obtain the generalized stress and displacement components. Numerical results and graphs are presented and discussed for various loading conditions. The non-singular solution is compared to the asymptotic one, generally considered in the literature when analyzing fracture problems. In particular, it is shown that the direction of incipient crack extension, sought through the maximum circumferential stress criterion, can be seen to deviate from the crack axis as the collinear load increases, although geometry and applied load are symmetric.     

Grounding spatial language in perception: An empirical and computational investigation.

The present paper grounds the linguistic categorization of space in aspects of visual perception; specifically, the structure of projective spatial terms such as above are grounded in the process of attention and in vector-sum coding of overall direction. This is formalized in the attentional vector-sum (AVS) model. This computational model accurately predicts linguistic acceptability judgments for spatial terms, under a variety of spatial configurations. In 7 experiments, the predictions of the AVS model are tested against those of 3 competing models. The results support the AVS model and disconfirm its competitors. The authors conclude that the structure of linguistic spatial categories can be partially explained in terms of independently motivated perceptual processes. (PsycINFO Database Record (c) 2010 APA, all rights reserved)