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- The high-Cr cast iron which is modified by 0.8% V-Fe is obtained by centrifugal casting and high Cr iron microstructure and performance are discussed. 采用0.;8%25钒铁变质后的高铬铸铁;进行电磁离心铸造浇铸;研究高铬铸铁组织和力学性能变化。
- Excellent brasion resistance of as cast martensite high Cr iron has been proven under the conditions of low stress and abrasion wear. 用消失模铸造生产复合排渣器简化了制造工艺,降低了生产成本,提高了使用寿命;
- By analyzing a great deal of experiment data,the relation is discussed between RE-SiFe's quality and change of high Cr iron microstructure and performance. 通过对大量实验数据的分析,研究高铬白口铸铁采用不同量稀土硅铁合金变质处理后,高铬白口铸铁组织和性能的变化。
- By analying a great deal of experiment data,the relation is discussed between V's quality and change of high Cr iron performance(hardness?impact toughness? abrasive resistance). 通过大量的实验数据分析,研究了钒铁变质处理对高铬铸铁性能的影响,以及不同钒含量时碳化物形态、数量对高铬铸铁硬度、冲击韧度和耐磨性的影响。
- By analying a great deal of experiment data, the relation is discussed between V's quality and change of high Cr iron performance (hardness、impact toughness、abrasive resistance). 摘要通过大量的实验数据分析，研究了钒铁变质处理对高铬铸铁性能的影响，以及不同钒含量时碳化物形态、数量对高铬铸铁硬度、冲击韧度和耐磨性的影响。
- high Cr iron 高铬铸铁
- Under high stress or low stress abrasion working conditions, high Cr white cast iron can be used just after it having been air quenched. 高应力磨料磨损或低应力磨料磨损工况条件下,高铬白口铸铁空淬后不须回火可直接应用。
- It has been proved that high Cr cast iron rolls are fit for fin ishing mill of 1549 hot strip mill of Tisco. 介绍了高铬轧辊化学成分和生产工艺,实际使用证明高铬轧辊适合太钢1549热连轧精轧机组。
- The phase transformation temperature of high Cr cast iron is increased and incubation period of bainit transformation is lowered. 同时，稀土元素提高了高铬铸铁的固态相变温度并缩短了贝氏体的孕育期。
- Primary carbide microstructure evolution in the semi-solid hypereutectic high Cr cast iron has been studied at partial remelting temperature. 研究了半固态过共晶高铬铸铁坯料部分重熔保温过程中初生碳化物的演变规律。
- The experimental results show that the carbides in high Cr cast iron can be refined and changed from net and long shapes into island and block ones. 结果表明，稀土元素能破碎高铬铸铁中的碳化物，使碳化物由网状、条状向岛状、状过渡。
- The compound roll is centrifugally cast with high Cr cast iron as outer material, and nodular iron as thematerial of its core and neck. 采用电磁半连续复合铸造法制成芯轴为45钢的高钒高速钢和高铬铸铁两种复合轧辊,对复合界面的组织和性能进行了研究。
- The research achievements of cryogenic treatment have been applied to cast alloys,including high Cr cast iron,440A cast stainless steel, 45 carbon steel,in recent years. 介绍近几年将深冷处理技术应用于高铬铸铁、44 0A铸造不锈钢、45碳素铸钢等铸造合金材料中的研究结果。
- The influences of quenching temperature, cooling pattern and temper temperature on the structures and properties of high Cr cast iron roll have been investigated. 研究了淬火温度、淬火冷却方式和回火温度对高铬铸铁轧辊组织和性能的影响。
- The effect of rare earth elements on carbide of high Cr cast iron was investigated and the continuous cooling transformation( CCT) curves of high Cr cast iron containing and not containing RE addition were determined. 研究了稀土元素对高铬铸铁中碳化物的影响，并对加稀土、加稀土的高铬铸铁试样的连续冷却转变（CT）线进行了测定。
- The As 2O 3 and ATRA in the treatment of APL can obtain a high CR rate. The side effect was light and CR period was long. As2 O3 诱导治疗APL缓解率高 ,序贯疗法治疗APL患者CR期长 ,副作用轻。
- The material and technology of manufacture of screw slag removre of double metal high Cr castiron and carbon steel have been investigated. 研究了制造高铬铸铁碳钢双金属复合排渣器的材料与工艺。
- The aimed of the study is to turn network eutectic carbide in high Cr die steel into granular during heating before forging by modification of ledeburite. 对传统莱氏体型高铬模具钢进行变质处理，使其在锻前的加热过程中网状共晶碳化物得到粒化。
- The As 2O 3 and ATRA in the treatment of APL can obtain a higher CR rate and a shorter duration for achieving CR. ATRA联合As2 O3 治疗APL患者不仅能获得好的疗效 ,而且能缩短达CR的时间。
- Patients with M3 who use the ATRA have the higher CR rate(91%) than those who have the single chemotherapy(25%). M_3患者应用全反式维甲酸(ATRA)后CR率(91%25)明显高于单用化疗者的CR率(25%25)。
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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
