Rate-based calculations for trayed and packed columns offer process engineers a more rigorous and reliable basis for assessing column performance than the tradi- tional equilibrium-stage approach, especially for multicomponent separations。...
A methodology to deal with the automatic design of internal pins in injection mold CAD via the automatic recognition of undercut features is developed. The approach to automatically identifying the undercut features is first proposed. For t...
摘 要：在级进模上有很多孔用于安装插入、装配和标准件。根据其结构类型及相关零件与板孔之间的关系，给出了级进模设计中孔板的分类，并介绍了级进模自动孔设计系统。利用预建...
Introduction Increasing energy costs and more energy efficient buildings have been driv- ing forces behind the recent emphasis on the construction of tighter building envelopes. Indoor relative humidity has in general increased in these bui...
This invention relates in general to electrical submersible well pump assemblies and in particular to instrument subs that mount to a centrifugal pump. BACKGROUND Electrical submersible pump assemblies are commonly used in hydrocarbon produ...
Wrinkling that occurs in the stamping of tapered square cups and stepped rectangular cups is investigated. A common characteristic of these two types of wrinkling is that the wrinkles are found at the draw wall that is relatively unsup- por...
Abstract Today implant dentistry has made great inroads into the treatment modalities that are available in treating an edentulous patient. Popularity of a two implant retained overdenture has created a necessity to examine the various atta...
Abstract This paper focuses on tuning the micro injection moulding process parameters. In this study four process parameters namely, barrel temperature, mould temperature, holding pressure and injection speed were considered. In order to ca...
Abstract This paper focuses on tuning the micro injection moulding process parameters. In this study four process parameters namely, barrel temperature, mould temperature, holding pressure and injection speed were considered. In order to ca...
Abstract Scissor platforms are used for vertical transport of loads or persons to keep them at the requested height of the load device. Lifting platforms, both mobile and stationary, are nowadays used almost with no limitation, e.g. in the...
