经纬仪测量系统在工业测量中的应用

由数台经纬仪和一台计算机组成的经纬仪测量系统进行定基线前方交会测量，可以完成在工业测量中的单点坐标的测量，确定长度的测量和曲面型面的测量。在曲面型面的测量中，针对型面误差分布范围大小的不同提出了用采样值比较和采样值的均值比较的方案，实验表明测量精茺可以达到0.15mm，相对测量精度达到了0.00003。     

提高双金属热敏特征参数测量精度的研究

研讨了热双金属热敏特征参数测量过程中的影响因素，并加以有效的控制和改善，从而提高了测量精度。     

电磁计量技术在传感器测量系统中的应用

测量技术与传感器是高级别院校机械工程类专业教学计划中的一项必修课程，也是这类专业中的最为基础课程之一。截至目前，有关传感器测量技术在社会各个领域都得到了广泛的应用，本文主要从工业生产领域出发，简单的阐述了传感器测量技术工作的基本概念、作用、特点，并就电磁计量技术在其中的应用进行了探讨，以供日后工作人员参考、借鉴。     

顾客要求、测量要求与计量要求

一、顾客要求与测量要求 ISO9000中提出的八项质量管理原则中的第一项就是“以顾客为关注焦点”，认为组织的生存依赖于顾客，组织应该理解顾客当前的和未来的需求，满足顾客需求并争取超越顾客的期望。在ISO10012-2004《测量管理体系测量过程和测量设备的要求》中也充分体现了这一原则在计量领域中的应用，要求计量机构的各种活动围绕顾客要求展开，活动的结果能满足顾客的要求。     

小议误差理论在测量中的应用

误差的计算主要是为了考察所用测量方法能否满足测量准确度的要求，本文通过实例讲述了误差理论在测量方案选择和测量过程设计中的应用。     

GPS在工程测量中的应用探讨

本文介绍了GPS的GPS系统的组成和原理，分析了GPS在工程测量中的优点，阐述了GPS在工程测量中的应用，供大家参考。     

三坐标测量机测量与以往测量方法的比较

本文对三坐标测量机的测量方法与以往的测量方法进行了比较，指出了在尺寸，形状的测量及基准等方面的不同之处，以及简单介绍了向量公差在三坐标测量机中的应用。     

测量过程控制技术的工程应用研究

文章根据国际质量、测量管理体系发展的要求，通过对测量过程控制技术的深入探讨，阐述了测量过程控制分析结论对产品和过程可接受性决策的影响，并以实例说明测量过程控制分析技术在企业工程实际中的具体应用。     

新型实用折光浓度仪的研制

折光浓度仪在实际生产中有着广泛的应用前景，吸引了人们的研究热情。介绍一种检测啤酒发酵过程中的含量糖量的新型实用折光浓度仪，讨论其工作原理，结构和智能控制。实验表明，仪器设计可行，工作可靠。它具有结构简单，抗环境干扰，高精度，低成本和实用笥好的特点。     

三坐标测量机的空间曲面测量路径优化分析

本文主要介绍了广泛应用于反求工程中的三坐标机的测量原理，并介绍了应用三坐标机进行测量时，几种曲面测量规划和测量路径优化的方法。最后例举了建筑安全帽的测量过程。     

Experimental investigation of oil retention in air conditioning systems

In air conditioning and refrigeration systems a small amount of oil is carried with the refrigerant and is retained in the system components. Oil retention characteristics in the condenser, evaporator, liquid and suction lines were measured and are presented and discussed here. Refrigerants R22, R410A, and R134a with miscible and non-miscible lubricants were considered to investigate oil retention physics in the widest possible range of transport properties. A parametric analysis in the suction line showed that oil retention depends on the oil mass fraction, vapor refrigerant mass flux, mixture viscosity ratio and orientation of the pipe. In the suction line, an increase in mixture viscosity of about 55% caused a rise in oil retention in the range of 50%, depending on the oil mass fraction. Oil retention in the upward vertical suction line is about 50% higher than in the horizontal line at similar conditions.     

超临界烯烃聚合的研究进展--(Ⅰ)聚合工艺及工业应用

超临界流体是一种特殊的热力学状态,在此状态下进行烯烃聚合具有提高催化活性、拓宽氢调范围、改善颗粒形态及促进共聚等优点,特别是作为高熔体指数双峰分布聚烯烃的制备方法,近年来备受关注。文中综述了国外乙烯、丙烯均聚及共聚的超临界工艺和工业化应用现状,并对我国正在进行的超临界烯烃聚合工艺的研究进行了展望。     

21世纪之初工程哲学在东西方的同时兴起

科学哲学和技术哲学都是首先在欧美国家兴起的,可是,工程哲学却是于21世纪之初在中国和欧美发达国家同时兴起和基本同步发展的。文章简要介绍了2002年以来工程哲学在中国和欧美国家发展的重要事件和已经发表的重要著作,最后,简要评论了东、西方工程哲学发展的主要特点。     

The under-representation of women in information technology and computing in the Middle East: A perspective from Jordan

This paper presents the results of a study on the participation of women in computing and information technology (IT) in Jordan. It investigates the percentages of women at all levels of education—from the secondary level through the graduate level—and their participation in the IT workforce. Women in Jordan are still under-represented in the computing and IT fields, and my study explores possible reasons for the under-representation and what can be done to increase women's participation. Despite the fact that the worldwide participation of women in computing has been declining steadily to very low levels, that is not the case in Jordan. This study found that the percentage of Jordanian women in the IT field is rising and far exceeds that of women in the U.S. and Canada. Indeed, increasing women's participation in computing in Jordan is vital to the economy and to the country's sustainable development.     

The Evolution of Knowledge Organization and the Emergence of a Platform for Innovation in the Car Industry

The paper aims at explaining the changes in how economic actors and their organizations acquire and coordinate innovative and productive capabilities. Using the illustrative evidence from organizational change in the automobile industry in Piedmont over the last 50 years, the paper describes how transformations in the structure of interactions between firms are steered by changes in the pattern of specialization and differentiation in the capabilities and technological skills of economic actors. The system is characterized by the emergence of a platform for the coordination of productive and technological activities, which can be seen as a major change in the organization of innovation in the system.     

Packaging production and consumption in the world and in some industrialized countries

This paper reports on statistics concerning production and consumption of packaging (as a whole or per capita) in Europe, in the USA, in Japan and in the world. Data have been provided by National Trade Associations and by consultants specialized in packaging and in economics. It is estimated that in 1986 the global consumption of packaging reached 150 millions of tonnes valued at 1200 billions of French francs. Consumption could reach 247 million tonnes by the year 2000. Paper and board have the highest consumption rate, but plastics have the highest rate of growth. Nevertheless, consumption per capita in the industrialized countries will be more than 10 times the consumption in underdeveloped countries. The packaging industries take fourth place in the USA, sixth in Western Germany and twelfth in France. In Europe, as in the world, paper and board is the material most used (40%), with glass (a high density material) taking second place and plastics third, i.e. if we consider the quantity of materials and not their value. Some differences appear between the various countries, but the figures for USA and Japan lead to similar conclusions. The survey shows clearly that the USA as compared with Europe has twice the consumption of packaging materials per capita and this difference is even greater compared with the rest of the world.     

线切割单晶硅表面损伤的研究

利用台阶仪、扫描电镜（ＳＥＭ）和Ｘ射线双晶衍射仪,研究了线切割硅片和内圆切割硅片的表面切割损伤和损伤层厚度。实验指出线切割硅片表面粗糙度大,外表面损伤大,但损伤层的厚度要小于常规内圆切割硅片。初步讨论了影响线切割硅片表面损伤的原因     

驾驶员与儿童事故倾性研究

文章通过对全国部分城市驾驶员交通事故和儿童意外伤害事故的流行病学研究结果发现：（１）驾驶员交通事故和儿童意外伤害事故检出率不存在地区性差异；（２）驾驶员交通事故和儿童意外伤害事故的检出率无显著性的年龄差异；（３）不同年龄段驾驶员和儿童，男性事故检出率均高于女性事故检出率；（４）极少数的事故人群具有事故倾向性：在驾驶人群中有６％～８％的事故倾性驾驶员，其引起的交通事故数占总事故数的３０％～４０％，在１～１４岁儿童中有１％～２％的事故倾性儿童，其发生的意外伤害数占意外伤害总数的２５％～３５％；（５）事故倾性驾驶员和事故倾性儿童再发事故的比率均比对照组高。文章从流行病学角度证实了事故倾性人群的存在，并对事故倾性的本质作了初步探讨。     

驾驶员与儿童事故倾性研究

文章通过对全国部分城市驾驶员交通事故和儿童意外伤害事故的流行病学研究结果发现 :(1 )驾驶员交通事故和儿童意外伤害事故检出率不存在地区性差异 ;(2 )驾驶员交通事故和儿童意外伤害事故的检出率无显著性的年龄差异 ;(3 )不同年龄段驾驶员和儿童 ,男性事故检出率均高于女性事故检出率 ;(4 )极少数的事故人群具有事故倾向性 :在驾驶人群中有 6%～ 8%的事故倾性驾驶员 ,其引起的交通事故数占总事故数的 3 0 %～ 40 % ,在 1～ 1 4岁儿童中有 1 %～ 2 %的事故倾性儿童 ,其发生的意外伤害数占意外伤害总数的2 5 %～ 3 5 % ;(5 )事故倾性驾驶员和事故倾性儿童再发事故的比率均比对照组高。文章从流行病学角度证实了事故倾性人群的存在 ,并对事故倾性的本质作了初步探讨。