输气管道分输站调压系统的优化设置

调压是气体长输管道分输站主要的控制功能之一。从设计的角度，结合国内外设计规范及标准，总结西气东榆管道工程的设计经验，对输气管道调压系统的设计作出了定量的说明，对调压系统的优化设置做了探讨。     

两种液位仪的比较与应用

主要介绍了ZYG-101型电子智能液位仪与Proservo NMS53…储罐液位仪的系统配置、工作原理、技术数据、仪表调校和仪表维护，并对二者的性能特点及使用情况进行了对比。     

仪-长原油管道长江穿越用钢管补充技术条件的编制

结合ERW钢管在仪征—长岭原油管道工程中的应用,针对定向钻穿越的特殊工况,从化学成分、力学性能、外观几何尺寸、制造工艺及试验要求方面,介绍了该工程中ERW钢管补充技术条件的编制原则和主要指标要求;指出制定钢管附加技术要求应从实际需要出发,做到合理匹配协调,才能最终获得最佳的性价比。     

云南云景林纸股份有限公司 原料林基地规划建设的基本情况

本文介绍了云南云景林纸股份有限公司（思茅纸厂）原料林基地规划建设概况,总结了多年思茅松栽培经验,拟订了思茅松造纸原料林人工营造技术规程。     

新规格柴油机油PC—9

将在2002年颁布的最新重负荷柴油机标准PC－9的焦点问题主要集在中3个新台架：Curmmins M11EGR,Mack T-10和Caterpillar 1QEGR,该标准同时也包括了一些模拟评定方法,这些新试验能确保提高发动机和高温和高烟炱工况下的耐久性,新设计的柴油机为了满足日益严格的和法规而采用了延迟喷油（喷油提前角减小）以降低废气中的NOX含量,“紧”的环岸设计以减少燃烧废气中的颗粒,这些措施都促进了发动机内烟炱的产生,针对这种情况推出的PC－9重负荷柴油机是目前发展最完善的柴油机标准,采用了低硫和正常含硫两种燃烧进行试验。     

满足更苛刻汽油规格的炼油技术

分析了炼油厂为满足汽油新规格要求所面临的挑战 ,可采取的对策及法国石油研究院可提供的炼油技术。简要介绍了这些技术的特点、各种方案对比和可以达到的效果。     

润滑油添加剂的升级换代和需求预测

简要介绍了润滑油添加剂的供需现状和发展预测，分析了推动润滑油添加剂升级换代的动力，阐述了即将推出的GF—4发动机油规格对添加剂的新要求。     

Process Quality Analysis of Products

Process capability indices are widely regarded as a flexible means of evaluating the quality and performance of a process. Accreditation by the Quality System Requirement QS9000 requires an agent to conduct a global evaluation on the process capability over the entire product family from a plant. Generally, the process capability of the whole product family is an important reference for evaluation when producing a new product or designing a new process. Therefore developing a scheme to evaluate the process capability of the whole product family or series is crucial for industry. This paper takes the production of capacitors as an example of a new method for evaluating the process capability of a whole product family. As the quality characteristic for producing capacitors is "the smaller the better", the upper specification limits of the capacitors of various specifications should first be established. The process capability index Cpu for products for which "smaller is better" is then used as an evaluation tool to calculate the process capability indices for individual specified products. The relationship between the process capability indices and the yield will be studied. A process capability index is proposed to reflect the global yield of the whole product family and to serve as a reference for evaluating process capability for designing new processes or developing new products. The process capabilities for all products can thus be evaluated and the performance of each process can be evaluated according to the colour management method. Managers can determine easily whether products meet their specifications and take action to improve them if necessary, according to the colour management method.     

口罩认知与SARS防护

本文介绍了口罩的分类、规格、相应的测试方法以及过滤机理。针对SARS病毒的特性及传播途径 ,提出了所用口罩的要求和改善建议     

润滑油储存期的考察

选择中国石化南海高级润滑油公司生产的7种润滑油进行为期2年的室内、外储存试验,分析了影响润滑油储存安定性的因素,推荐了不同润滑油品的合理储存期。