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- The mechanical properties, ageing resistance and rheological behaviour of soft HPVC TPE and hard HPVC modified by powder NBR with "shell core" structure reach or close to the level of the import materials. 由具有包藏结构的粉末丁腈改性的 HPVC制得的软质 HPVC-TPE材料和研制的硬质 HPVC材料的力学性能、耐老化性能、流变性能均达到或接近进口材料水平。
- In order to producte qualified inlet manifold casting, top gating system with lip riser and shell core made of precoated sand is used. 为了获得合格的进气歧管铸件,采用压边顶铸浇注系统和覆膜砂壳芯制作工艺。
- Application of Shell Core Technology in the Engine-Block Castings of Diesel Engine. 壳芯工艺在柴油机机体铸件上的应用
- Abstract It is not of profit for volume use of resin coated sand in hotbox coremaking that the former has been developed for shell core and mold. 为造壳芯与壳型发展的树脂覆膜砂大量用作热芯盒造芯材料是不经济的。
- There are about 10% oligosaccharide in human milk sugars,which can be divider into 12 kinds as its core structure. 母乳中的寡糖大约占总糖的10%25,根据其核心结构不同可分为12类,其寡糖组分随哺乳期的变化而改变。
- Mechanisim of hot-core box non-occupying coating process, its practical effects on manufacturing the whorl shell core, and its technical essentials have been summarized in detail. 介绍热芯盒法非占位涂料技术的原理,及其在制备螺纹壳芯中的应用效果,并归纳总结其工艺要点。
- Gyrocompass loop is the core structure of the system, so this paper emphases the two processes mainly using it. 罗经回路是罗经系统的核心结构,本文重点工作是研究了罗经回路主要应用的两个过程。
- General situation of Japanese coremaking has been introduced,including shell core,cold box coreshooter,negative pressure coremaker etc.and developing tendency of shell core maker. 本文主要介绍了日本制芯机技术概况,包括壳芯机,冷芯盒制芯机,负压制芯机等。还介绍了壳芯机的发展动向。
- The working principle and core structure of the online monitoring and predicting system for waterflooding power package are expounded. 阐述了油田注水机组状态在线监测及预测系统的工作原理与核心结构。
- The fuel subassembly total instantaneous blockage accident can cause core structure and fuel melt,even lead to a core disrupt accident(CDA) in fast reactor. 燃料组件瞬间完全堵流(TIB)事故可能导致快堆堆芯结构材料和燃料的熔化,并可能引发堆芯解体事故(CDA)。
- It's main products are Automate Vertical Split core box, Shell core Machines, Automatic Horizontal Split core box shell core machines, Automatic shell molding machines covered membrane cand and dies etc. 全自动垂直分型射芯机、全自动水平分型射芯机、全自动壳型机、倾转金属型铸造机等,还有根据用户要求,设计制造各种专用的制芯设备。
- The peculiarity of loosing core structure of air tap in die arrangement of the water tub in washing machine and the problems existing in the production were analyzed respectively. 分析了洗衣机盛水桶模具常用气嘴抽芯结构的特点及在生产过程中存在的问题,设计出相对较好的结构。
- General situation of Japanese coremaking has been introduced,including shell core,cold-box coreshooter,negative pressure coremaker etc. and developing tendency of shell core maker. 本文主要介绍了日本制芯机技术概况,包括壳芯机,冷芯盒制芯机,负压制芯机等。还介绍了壳芯机的发展动向。
- The UI structural components rely on personalization and provide the core structure and services needed by all Web Parts controls. 用户界面结构组件依赖于个性化设置,并提供所有Web部件控件需要的核心结构和服务。
- The CANDU core calculations show that the transition from the natural uranium (NU) to RU or SEU can be completed without any change of the reactor core structure and the operation mode. 通过对后处理回收铀(RU)、SEU堆芯物理特性的分析可知,在堆芯结构及运行方式不作重大改变的情况下,即可完成从NU到RU或SEU的过渡,因而这两种先进燃料循环策略具有重大的经济效益和吸引力。
- In foundation of above design, the core structure of two popular SOAP engine and open source are also studied. XML-RPC engine is extended to implement security mechanism designed above. 在设计了一个完整的安全机制的基础上,文章继续研究两个流行的SOAP引擎的内部结构和开源代码,并扩展XML-RPC的引擎,提出在其上实现了所设计的安全机制的实现方案。
- Improvement of Shell Core Broken for Hub Casting 轮毂类铸件壳法制芯时脱壳问题的解决
- The effect of carburized depth,carbon content and core structure on thetorsional flow harden behaviour and the fracture feature of 20CrMnM_ocarbuizing steel wasinvestigated in a relatively allround way. 本文以20CrMnMo 钢为对象比较全面地研究了不同渗碳层厚度、渗碳层碳含量以及不同心部组织对扭转流变硬化行为和断裂特征的影响。
- Arbors for shell reamers and shell core drills 套式铰刀和套式扩孔钻用心轴
- Based on the result of relevant research, technical requirements to core structure of the CC round and the relationship between the said structure and the profile of the piercer plug are put forward. 根据研究结果提出了对连铸圆管坯芯部状态的要求,并指出管坯芯部状态与穿孔机顶头形状的关系。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries