沈阳市部分铸造企业技术装备调查分析

通过对沈阳市铸造企业的调查 ,搜集了 10 0多家企业的技术装备和经济数据 ;对沈阳市铸造企业的现状和存在的问题进行了分析 ,提出技术改造的建议。     

电力勘测设计行业CAD电子文件的管理和利用

根据国家标准《CAD电子文件光盘存储、归档与档案管理要求》,针对电力勘测设计单位CAD电子文件的实际管理和利用情况,对CAD电子文件的收集、整理、鉴定、归档、管理和利用的全过程管理进行了阐述。     

BIM+无人机航测技术的房建工程应用研究

建筑业作为在我国国民经济中占据重要地位的传统行业,其建筑施工周期长,资源消耗量大。将无人机应用在建筑业,既能提高工程施工质量、加快施工进度,也能融入BIM技术从而提升项目管理效率,实现对项目的管控。本文结合房建工程应用,对无人机选型、测具选型、飞控软件选型以及基于BIM数据处理软件选型进行分析,探索BIM+无人机应用标准化的适用性路径。同时,将无人机航测技术与BIM技术结合,把实体模型与虚拟模型拟合,记录施工建造的全过程,解决土方算量及进度模拟等问题,辅助项目高效、精准施工。     

铁路某采空区变形测量技术方案探讨

结合太中银铁路山西境内某采空区的变形测量工作,对铁路建设中采空区变形测量特点、等级、变形网及变形观测点的布设方法、测量周期的确定、外业观测、数据处理等进行了探讨。     

A survey of tap water quality in Kuala Lumpur

A safe drinking water programme known as The National Drinking Water Quality Surveillance Programme (NDWQSP) was launched by the Ministry of Health, Government of Malaysia in 1983 to ensure safe practices in water treatment and distribution. The aim of this work was to assess the effectiveness of this programme in the improvement of tap water quality in and around Kuala Lumpur. The results indicate that there was no microbial contamination in 100 random samples collected from 20 selected areas. Other quality parameters such as colour, pH, turbidity, hardness, magnesium, sulphate and chloride were within acceptable limits. Heavy metals such as Cu²⁺, Pb²⁺, Cr (total), Ni²⁺, Cd²⁺, Fe (total) and Mn (total) were also under control. The only exception was Ba²⁺, which did not comply with the standard and was up to ten times higher than the guideline value. Moreover, there was significant variation in water quality as indicated by the test results.     

GPS-RTK技术在石油天然气井位测量中的应用

定位技术是GPS测量技术发展的一个新突破。基于GPS-RTK测量技术的基本原理和优点,GPS-RTK技术在石油天然气井位测量领域得以应用。井位测量包括初测和复测。测量精度取决于钻井目的。井位测量时应注意以下几点:①基准站应设在井位控制点上;②流动站和基准站之间不宜超过20km,二者之间不能有影响数据传输的障碍物;③GPS卫星高度角不宜小于15°;④GPS接收机100m之内无强大的电磁波辐射源。综合应用表明,GPS-RTK技术在油田井位测量中有布网方便、测量迅速、精度高等优点,不仅能满足井位测量工作的需要,而且适用于公路、铁路、长输管道、输电线路、干渠等线路工程测量,具有广泛的应用前景。     

The relation between BPM culture,BPM methods,and process performance: Evidence from quantitative field studies

Business process management (BPM) research conceptualizes BPM culture as a type of organizational culture that supports BPM. No quantitative fieldwork has so far examined how such a supporting role manifests itself. We study the relationship between BPM culture, BPM methods, and process performance empirically. Our analysis of multiple survey data sets from a total of 581 practitioners of multiple industries suggests that BPM methods indirectly contribute to process performance by establishing a BPM culture. This finding updates the prevalent assumption that the correct application of methods yields direct performance benefits. We discuss several implications for theory and practice.     

Critical Success Factors for New Product Development in Biotechnology Companies

The development of new products has become increasingly critical for the competitiveness of companies, due to increased diversity and variety of products, the reduction of product life cycles, and, primarily, globalization of markets. Thus, the identification and prioritization of critical success factors for developing new products is important, particularly for the high degree of risk and uncertainty involved. The main objective of this article is the identification and prioritization of critical success factors in new product development projects in biotechnology companies in the state of Minas Gerais, Brazil. The research method used was a survey questionnaire, which was sent to a sample of 31 biotechnology companies in Minas Gerais state. The principal findings of this research are that interpersonal skills/relationships of the project leader and technical skills are the most critical factors for successful new product development in this industry. The implications for the biotechnology industry in general, as well as for those responsible for managing new product development, are discussed.     

The effect of blowing agent choice on energy use and global warming impact of a refrigerator

A study, comparing the effect of blowing agent selection on energy consumption and the life cycle climate performance (LCCP) of a typical European refrigerator is discussed. Energy consumption of prototype European-style refrigerators made with a foam formulation with HFC-245fa as the blowing agent was measured and compared with energy consumption of the same model as currently produced (using a foam with a pentane blend for the blowing agent). Results were used in a LCCP study, considering both direct and indirect climate impacts due to blowing agent emissions and energy consumption in manufacturing processes and over the life cycle of the refrigerator. An assumption is made that the refrigerator is built and used in the European market.