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- The effects of the microstructure, alloying composition, micro-volume elements and casting technique on the processability of the gray cast iron in cylinder body were discussed. 重点阐述了组织、合金元素、微量元素和铸造工艺对缸体铸件加工性能的影响。
- Both the alloy composition and residual strain in the grains were determined from the Raman shift. 这两者可借由拉曼频谱来决定晶粒中合金的组合成份以及残留的应力。
- And the number of peritectic phases decreases as the alloy composition decreases. 随着合金成分的增加,包晶相的数量增加。
- The ballistic performance has been improved to reach the index demand by the adjustments of 7A52 Al alloy composition and heat treatment. 通过对7A52铝合金成分与热处理工艺设计调整,提高了抗弹性能,达到了防弹衣指标要求,并投入了小批量生产,现已装备应
- The improved-type bainite ductile cast iron roll was developed by centrifugal casting and low temperature tempering technology and adjustment alloy composition. 采用离心铸造+低温回火工艺并通过合金成分调整和工艺控制,生产出"改进型"贝氏体球铁轧辊。
- By testing, effects of alloy composition, cold sealing, anodizing process conditions on corrosion resistance, abrasiveness of anodized film are investigated. 通过试验,研究了合金成分、常温封孔、阳极氧化工艺条件对氧化膜耐蚀性、耐磨性的影响;
- He sweated out his composition in several hours. 他苦干了几个小时才写出了作文。
- Elongation of Al casting can be more than 10% by means of counter pressure casting,in which alloy composition and impurities contents are closely controled, and heat treating procedure is adjusted. 采用差压铸造压力场铸造工艺,对合金成分和杂质含量作严格控制,加上热处理工艺的调整,可以使铝铸件的延伸率>10%25。
- He wrote a composition or (he) read an essay. 他写作文或读散文。
- His composition is far superior to mine. 他的作文比我的好多了。
- Of course there can be alloy compositions that contain bismuth, indium, and zinc. 当然,合金成分可以包含铋、铟和锌。
- The results show that the characteristics of magnetic domains vary with alloy compositions. 结果表明 ,样品磁畴形貌及磁衬强度均随磁体成分不同而变化。
- 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
- A slow, mournful musical composition. 庄重悲哀的乐曲节奏缓慢,庄重悲哀的音乐作品
- However, trachea cannula exodus of terylene tandem ring alloy composite artificial esophagus in middle and late phases cannot be fully solved. 但带涤纶连接环记忆合金组合式人工食管还存在中晚期脱管的问题未能完全解决。
- He has a touch of madness in his composition. 他有点疯疯癫癫。
- The deposition of filamentary coke is closely related to the alloy compositions, but this is not for the lamellar and spheroidal coke. 局域丝状焦崦的沉积与材料表面化学成分必切相关,其变形成和生长本质上不受材料成分的影响;
- I'd like to have your advice on my composition. 我想请您对我的作文作些指导。
- OBJECTIVE: To explore the role of the tube structure changes in Nitinol alloy composite artificial esophagus to prevent trachea cannula exodus. 目的:观察改变镍钛合金组合式人工食管的管体结构在防止脱管中的作用。
- She looked at her son's composition with a frown. 她对儿子的作文皱眉头。