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- This text introduces the naissance and development of the graphite ball casting,its application is also introduced together with corresponding theoretical foundations. 介绍了球墨铸铁的诞生、发展,结合其理论基础说明了它的应用以及国内外研究现状;
- the graphite ball cast 球墨铸铁
- The graphite is mined in Ceylon. 石墨开采自锡兰。
- Gray cast iron. A cast iron alloyed with silicon in which the graphite exists in the form of flakes. A fractured surface appears gray. 灰铸铁:一种用硅合金化的铸铁,其石墨以片状存在。断面呈灰色。
- The low-enriched uranium fuel consists of half-millimetre-sized particles of uranium dioxide encased in graphite and silicon carbide, which in turn is encased in a graphite ball. 低浓缩的铀燃料为包裹在石墨和碳化硅中半毫米大小的二氧化铀微粒,石墨和碳化硅则被包裹在石墨球中。
- A ceramic coating is applied to insulate the graphite. 涂上陶瓷涂层使石墨绝缘。
- The microstructures and growth mechanism of various forms of graphite precipitated in rare-earth nodular cast iron are discussed after what is inside the graphite is displayed by ionic etching and what is outside observed by SEM with deep etched specimen. 本文对稀土球墨铸铁中出现的各类石墨;用离子腐蚀的方法显示其内部结构;同时在扫描电镜下观察深腐蚀后试样中所暴露的石墨晶体外形;以探讨石墨晶体的生长机理.
- The effect on the graphite forms, the tase structures and the fractures of the austempered compacted graphite cast iron is analyzed by way of normal microscope and electron microscope. 同时,借助金相显微技术和电子显微技术分析了等温淬火处理对石墨形态、基体组织和断口特征的影响,并探讨了其影响机理。
- Effect of adhesive on conductivity of the graphite material was investigated. 考察了粘结剂对石墨材料传导性能的影响。
- The graphite is a kind of solid antifriction agent with excellent properties. 石墨是一种性能优良的固体减摩剂,但因悬浮问题,长期不能在润滑油中应用。
- A ceramic coating is applied over the graphite to insulate it (= the graphite). 陶瓷涂料被涂在石墨上以绝缘石墨。
- The storm cast the little rowboat on the rocks. 风暴把这条小划艇抛到岩石上。
- In cricket, the ball is delivered overarm. 打板球时,要举臂过肩掷球。
- Abrasion theory of the abrader is the basic of the graphite electrode accuracy. 研具磨损的机理实际上是由于其表层磨粒裸露高度选择不当引起堵塞或磨粒脱落过程。
- The earthwork was cast up in three hours. 土方工程在三小时内就完成了。
- He lay back and hit the ball for four. 他向后弯身击中球,得了4分。
- Cast compound phase graphite balls 复相球墨铸球
- She came out of her room equipped for the ball. 她盛装从房里出来预备到跳舞会去。
- The loss of the ball game stir up much feeling. 球赛输了引起了极大的愤慨。
- Basket-ball is a kind of ball game with a ball casting at the hoop in the air to conduct competitions. 篮球是用球向悬在空中的目标进行投准比赛的球类运动。