CORBA技术在故障诊断系统中的应用

针对旋转机械故障诊断系统中系统的异构性，在简要介绍CORBA体系结构的基础上，对利用CORBA技术构建具有远程诊断功能的旋转机械故障诊断系统进行了研究，并介绍了具体的实现方法。基于CORBA技术构建的旋转机械故障诊断系统具有网络化、分布式、可扩展性等特点。     

基于CORBA技术异构机器人监控系统平台的研究

工业生产线上的分布式异构机器人工作过程中需要数据交互服务,通过引进软件开发中的CORBA技术,屏蔽了异构机器人之间底层硬件和上层软件的异构性,对异构机器人系统的集成技术进行了研究。实现了基于CORBA技术的异构机器人之间数据交互的监控系统平台。极大方便了整个生产线的协调工作。     

基于CORBA的柔性制造系统模型的建立

一种基于CORBA的面向对象的方法在递阶分布式控制系统中得到了开发。分布式控制器的通用方法和数据集成到服务器,每个控制器与服务器通过CORBA通讯的机制进行通讯。CORBA作为用于分布式对象开发的中间软件的使用简化了在不同地点的客户端与服务器端通讯的实现。最后提出了一个模型系统以验证基于CORBA的柔性制造系统。     

产品分布设计系统的研究与开发

本文分析研究了分布网络环境下产品设计的问题，指出采用中间件技术足构建分布式设计系统的有效途径，并利用CORBA技术构建了产品的分布式网络化设计系统，系统中的设计模块可彼此进行信息交流，协调设计参数。通过实际运行，验证了本文所用方法和技术的有效性。     

基于SOAP的远程设备诊断系统研究

SOAP技术提供一种新的RPC手段，有助于实现异构程序和平台之间的互操作，以及对异构数据的访问和集成，在一定范围内能够改善CORBA和DCOM等技术的不足。本文首先分析了目前的远程设备诊断系统中存在的问题，介绍了SOAP技术在分布式系统集成和交互上的优势，在此基础上提出了基于SOAP的远程设备诊断系统的结构，并分析了系统实现的关键问题。     

基于CORBA的柔性制造系统网络故障诊断系统研究

针对柔性制造系统（FMS）的异构性，在简要介绍CORBA体系结构的基础上，对利用CORBA技术构建FMS网络型异地故障诊断系统进行了研究，并介绍了具体的实现方法。基于CORBA技术构建的FMS故障诊断系统具有柔性，可移植性和可扩展性的特点。     

基于CORBA组件技术的开放式数控组件应用开发

在对CORBA组件技术进行深入研究的基础上,提出了一个基于面向代理CORBA组件技术的开放式数控系统体系框架,并以其中的PLC组件为例介绍了分布式数控组件定义、实现、封装、组装及部署等整个开发过程,更好的体现了组件技术对数控系统模块化、可重构、可移植等开放性要求的满足,对于推动组件技术在开放式数控领域中的应用具有重要意义。     

分布式对象计算在企业综合自动化中的应用研究

针对目前企业综合自动化面临的常规控制系统、先进控制、优化控制与管理信息系统的集成问题，本文根据自动化系统的网络化体系结构，提出了采用分布式对象技术进行综合自动化集成的思想，并具体使用CORBA技术建立了相应的软件模型，从而实现了从工业生产现场的最底层(传感器、执行器)到企业管理信息系统的纵向综合。并在实验室条件验证了本方案的可行性，为综合自动化设计提供了新思路。     

数控机床分布式远程诊断系统的开发

分析数控机床远程诊断系统的构成与功能,探讨中间件DCOM、CORBA的特点,在充分利用DCOM、CORBA各自优势的基础上,提出一种高效率、高性能的基于CORBA-DCOM的分布式数控机床远程诊断系统.介绍该系统的开发过程,在现有软件开发平台上,经济、有效地解决了该系统中CORBA、DCOM桥接的关键技术难题.     

基于CORBA技术的数控机床远程服务系统

针对现代制造企业的特点 ,分析了目前常用中间件技术各自特点 ,简要介绍了分布计算与CORBA技术 ,对利用COR BA技术构建基于网络的异地、异构远程服务系统进行了研究 ,并介绍了具体的实现方法。基于CORBA技术构建的远程服务系统具有柔性、可移植性和可扩展性的特点。     

新型的治疗阿尔茨海默氏症药物(1-二甲基磷酰基-2,2,2-三氯)-乙基-1-醇烟酸醋对体外神经细胞的作用

目的: 观察本实验室合成的一种治疗阿尔茨海默氏症(AD)的药物(1-二甲基磷酰基-2, 2, 2 -三氯)-乙基^-1-醇烟酸醋(NMF),对体外培养的皮层神经细胞活性的影响以及对海人藻酸(KA)所致的神经损伤的保护作用。方法: 采用体外培养皮层神经元的方法,解剖分离 15 d胚胎小鼠皮层神经细胞, 接种于 96孔板,48 h 后加药并培养 72 h,以 MIT 法 观察 NMF 对小鼠皮层神经细胞活性的影响;同时将接种于 24 孔板的细胞预先给予 NMF,d 3 时加或不加KA处理后,以台盼蓝染色鉴别并计数死、活细胞,可得出细胞的存活率。结果: NMF 明显促进胎鼠皮层神经元活性,其中 NMF1、0. 1、10nmol·L^-1促进神经元活性增殖率分别高达 34.7%、37.4%、36. 7%, NMF 明显促进正常胎鼠皮层神经元存活卒,与对照组比较,10nmol·L^-1 NMF 对皮层神经元的存活率分别提高 39.3%、73.5%。 NMF能显著 对抗 KA 所致的神经元损伤,与 KA 损伤组相比, NMF0.1、10、10nmol·L^-1对损伤皮层神经元的保护率分别为 77.30%、80.10%、84.15%。结论: NMF 明 显促进胎鼠皮层神经元的洁性、提高正常皮层神经元,的存活卒,并能有效地保护KA所致的神经元损伤,提示 NMF 是一种很有潜力的治疗 AD 的药物。     

Three-Dimensional Growth of Coherent Ferrite in Austenite: A Molecular Dynamics Study

Coherent second phase often exhibits anisotropic morphology with specifi c orientations with respect to both the second and the matrix phases. As a key feature of microstructure, the morphology of the coherent particles is essential for understanding the second-phase strengthening eff ect in various industrial alloys. This letter reports anisotropic growth of coherent ferrite from austenite matrix in pure iron based on molecular dynamics simulation. We found that the ferrite grain tends to grow into an elongated plate-like shape, independent of its initial confi guration. The fi nal shape of the ferrite is closely related to the misfi t between the two phases, with the longest direction and the broad facet of the plate being, respectively, consistent with the best matching direction and the best matching plane calculated via the Burgers vector content(BVC) method. The strain energy calculation in the framework of Eshelby's inclusion theory verifi es that the simulated orientation of the coherent ferrite is energetically favorable. It is anticipated that the BVC method will be applicable in analysis of anisotropic growth and morphology of coherent second phase in other phase transformation systems.     

Rheology Feature of Simple Metal Melt

The rheology feature of Sb, Bi melt and alloys was studied using coaxial cylinder high-temperature viscometer. The results showed that the curve of torsion-rotational speed for Sb melt presents a linear relation in all measured temperature ranges, whereas for the Bi melt, the curve presents obvious non-Newtonian feature within the low temperature range and at relative high shear stress. The rheology feature of Sb80Bi20 and Sb20Bi80 alloy melts was well correlated with that of Sb and Bi, respectively. It is considered that the rheology behavior of Sb melt plays a crucial role in Sb80Bi20 alloy and that of Bi melt plays a crucial role in Sb20Bi80 alloy.     

Effect of Short-Time Aging on the Pitting Corrosion Behavior of a Novel Lean Duplex Stainless Steel 2002

The effect of short-time aging in the temperature range between 400 and 1000 °C on the pitting corrosion behavior and mechanical property of a novel lean duplex stainless steel(LDSS) 2002 was investigated through the potentiostatic critical pitting temperature(CPT) tests and the Charpy impact tests. Both the pitting corrosion resistance and the toughness of aged specimens degraded due to the precipitation of detrimental secondary phases and the most significant reduction of CPT and impact energy emerged at 650 °C concurrently. The CPT of LDSS 2002 specimen aged at 650 °C decreased by 28 °C, and the impact energy dropped from 69 to 29 J/cm~2 compared with the solution-annealed sample. Transmission electron microscopy characterization showed that the main precipitates in LDSS 2002 were Cr_2N and M_(23)C_6 along the ferrite–austenite grain boundaries.     

INTRODUCTION TO PATENTS

The invention provides a method of making a mold which can reduce SOx generation rate while preventing decrease in hardening rate in the case of using sulfuric acid for a hardener composition. The method has a mixture step in which fire-resistant particles, a hardener composition and a binder composition are mixed to obtain a composition for a mold. The hardener composition contains sulfuric acid. In the mixture step, sodium carbonate is added. A molar ratio of the sulfuric acid to the sodium carbonate is 0.5 or more and 4.0 or less.     

China Foundry Week 2014

China Foundry Week, hosted by the Foundry Institution of Chinese Mechanical Engineering Society （FICMES） each year, is a large academic event in China. It is one of the ten high-impact activities sponsored by the Chinese Mechanical Engineering Society.     

17th Conference of Hydrodynamic and Electromechanical Control Engineering Call for papers

正1.Contents In order to promote the academic exchanges and technical communication of the research in the field of fluid power transmission and control,fluid control engineering specialized committee of the Chinese Society of Theoretical and Applied Mechanics will hold the 17th Conference of Hydrodynamic and Electromechanical Control Engineering on July 27-29,2014 in Tibet,Lhasa city.     

Information for Contributors

正The Transactions of Nonferrous Metals Society of China,founded in 1991 and sponsored by The Nonferrous Metals Society of China,is published monthly now and mainly contains reports of original research which reflect the new progresses in the field of nonferrous metals science and technology,including mineral processing,extraction metallurgy,metallic materials and heat treatments,metal working,physical metallurgy,powder metallurgy,with the emphasis     

Preface

<正>We are pleased to present this Special Issue of Transactions of Nonferrous Metals Society of China containing selected papers from the First Asian Conference on Aluminum Alloys(ACAA-2013),held in Beijing,China,13–17 October 2013.This conference has been initiated,with approval of     

Information for Contributors

The Transactions of Nonferrous Metals Society of China, founded in 1991 and sponsored by The Nonferrous Metals Society of China, is published monthly now and mainly contains reports of original research which reflect the new progresses in the field of nonferrous metals science and technology, including mineral processing, extraction metallurgy, metallic materials and heat treatments, metal working, physical metallurgy, powder metallurgy, with the emphasis on fundamental science. It is the unique preeminent publication in English for scientists, engineers, under/post-graduates on the field of nonferrous metals industry. This journal is covered by many famous abstract/index systems and databases such as SCI Expanded, Ei Compendex Plus, 1NSPEC, CA, METADEX, AJ and JICST.