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- Be Cu alloy charactistics and its application to dies for toy and plastic product were introduced. Smelting, pouring, heat treatment and safety protection were described. 介绍铍铜合金的特点及其在玩具和塑料制品中的应用。介绍铍青铜的熔炼、浇注、热处理及安全防护。
- Be Cu Alloy Die in Cerimic Mold for Investment Casting 陶瓷型精铸生产铍铜合金模具
- Cu alloy horizontal continuous casting is an advanced process for wire production of Cu alloy. 铜合金水平连铸是铜合金丝线材生产中的一种先进生产工艺。
- The modifying experiments on hypereutectic Al - Si alloy were made by addition of sodium flux and P - Cu alloy. 用磷铜合金和四元钠盐变质剂对过共晶铝硅合金进行了变质处理试验。
- The Ni Cu alloy supported on TiO 2 promote the formation of C 2 hydrocarbons in CO hydrogenation. 双金属Ni、Cu间发生相互作用而形成了均匀的合金相，该活性组分与载体TiO2的共同作用，对CO加氢中C2物种，特别是乙烯的生成有利。
- This method can reduce labour intensity, improve working efficiency and ensure the deburring effect of Cu alloy part. 这种方法能降低劳动强度,提高工作效率,较好地保证铜合金零件抛光去毛刺效果。
- Selected principles of strengthening phase of dispersion strengthening Cu alloy and its application prospect were discussed. 讨论了弥散强化铜合金强化相的选择原则,以及此合金的应用前景。
- In situ Al 2O 3 and TiB 2 particles reinforced Al 3.2% Cu and Al 6.0%Cu alloy composites were fabricated from TiO 2 Al B CuO system. 由TiO2?Al?B?CuO体系制备了原位Al2O3和TiB2粒子增强Al?3.;2%25Cu和Al?6
- The age _ precipitation behavior of Al-4.5 Cu alloy and mullite _ fiber reinforced Al-4.5 Cu composite has been studied by the differential scanning calorimetry (DSC). 用差示扫描量热法(DSC)对Al-4 5Cu合金和莫来石(Mullite)短纤维增强Al-4 5Cu复合材料的时效析出行为进行了研究 ;
- The directionally solidified Al-4.7%Cu alloy sample after treated by superheat treatment, its Cu-rich phase decreases obviously and its dimple number increasesobviously. 通过熔体过热处理的Al-4.;7%25Cu合金定向凝固试样;其富Cu相明显减少;韧窝数量显著增加;
- Methods The isothermal age hardening behaviour of an experimental75wt% Au,16wt% Ag,9wt% Cu alloy was studied by means of hardness test, X ray diffraction study. 方法 采用硬度试验和X线衍射的研究手段 ,探讨含 75wt%25金 ,16wt%25银 ,9wt%25铜合金的等温时效硬化性能。
- Al-3%Cu alloys as-solid-solutioned and as-aged are subjected to EGA Pressing. 对Al一3%25Cu合金在固溶态和时效态进行了ECAP挤压。
- The mechanism of deburring, the formulation for processing, technical parameters of Cu alloy by using electrochemistry, and the points for attention in operating are introduced. 介绍了铜合金零件电化学去毛刺机理、工艺配方、工艺参数和操作注意事项。
- Unfortunately he won't be here tomorrow evening. 可惜的是他明晚不在这儿。
- He has a yen to be alone in a boat. 他渴望独自待在一条船上。
- It is necessary that he be sent there at once. 有必要马上派他到那里去。
- I think most of these obstacles can be surmounted. 我认为这些障碍大多数都是可以克服的。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- Based on the mechanical Zn-Al plating technology,mechanical Cu and Cu alloy plating process were researched and developed by adjusting the activator,promoter and the amount thereof. 在机械镀锌和机械镀铝-锌工艺的基础上,通过调整活化剂和促进剂的种类及用量,研制开发了机械镀铜及铜合金工艺。
- He likes to be sure of his bodily comforts. 他注重身体上的舒适。
