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- To develope new product with high additional value,the industrial-scale experiment on Fe Si Al Ca Ba alloy with one-step process is conducted. 为开发高附加值产品 ,采用“一步法”工艺进行了硅铝钙钡铁合金的工业生产试验。
- The influence of KH 2PO 4 on the signal of the reduction of the complex Fe(III) with 5 Br PADAP was discussed. 讨论了KH2 PO4 对Fe(III)与 2 (5′ 溴 2′ 吡啶偶氮 ) 5 二乙基氨基苯酚反应的影响。
- At the same time,the novel modifier has the effect of fining primary Si phase and the effect is long term. 所使用的这种新型变质剂具有同时细化初晶硅和共晶硅的功效,且具长效性。
- Furthermore,when the current action time was prolonged,the enrichment of Si phase reduced and its structure was coarsened in some degree. 随着通电时间的延长,底部硅的富集减弱,组织有一定程度的粗化。
- Effects of electric pulse magnetic field (EPM)on morphology and fracture of primary Si phase in KS282 alloy have been observed by SEM and DSC. 结果发现,电脉冲孕育处理对多元高硅铝合金有变质作用,增加了合金凝固过程的热力学过冷度,提高了初生硅相形核率。
- The results showed that the enrichment of Si phase in sample bottom was aggravated with increasing current density,and its pattern changed too. 结果表明,随着电流的增大,试样底部硅相的富集加剧,而且初生硅的形貌发生改变;
- With the increase of the cooling rate, both the grain size and secondary dendrite arm spacing of A357 alloy decrease, and the distribution of Si phase is changed from a chain to a short strip or short bar. 随着冷却速率的提高,A357合金的晶粒尺寸和二次枝晶间距减小,Si相由链状分布变为短条状或短棒状分布。
- Mother and baby interact in a very complex way. 母亲与婴儿以非常复杂的方式相互影响。
- Some of them developed a great inferiority complex. 他们有些人养成了严重的自卑感。
- My grandmother has a complex against foreigners. 我奶奶对外国人抱有偏见。
- Life is getting more complex and difficult. 生活正在变得越来越复杂和艰难。
- He has a complex about his weight. 他过分关心自己的体重。
- Complex, intricate, and involved. 复杂的、错综的和涉及的
- Investigation on Refining Granules of Primary Si Phase by Melt Mixing with Different Components of Al-Si Alloys 不同成分铝硅合金熔体混合对初生硅相细化的研究
- A petrochemical complex is to be built here. 这儿将建造一个石油化学联合企业。
- An airplane engine is a complex mechanism. 飞机引擎是种复杂的机械装置。
- The army is an extremely complex organism. 军队是极其复杂的组织。
- It's a complex question and her answer was too pat. 那问题很复杂,但她的回答简直是脱口而出。
- A car comes into being through a series of complex operations. 汽车经过一连串的复杂作业程序而制成。
- Enrichment of Si phase 硅相富集