The results showed that the A,B,C and D type inclusions in the trial steels,which were treated by aluminum deoxidizing and RH vacuum degassing and then were fed by core-spun yarn of rare earths in continuous casting crystallizer,were not more than 1.
结果表明,采用铝脱氧和RH真空充分脱气的微合金化碳锰钢,经连铸结晶器喂稀土处理后,钢中的A,B,C,D类夹杂物分别不大于1。
Based on the reaction mechanism of aluminium deocidation, the experiments of killing by adding aluminium have been carried out, and then the standards of aluminium quantity added to steel corresponding to the different quantity of remaining oxygen have been obtained.
根据铝脱氧的反应机理，进行定氧加铝试验，得出在不同残氧量时的加铝量控制标准，并在此基础上建立了铝镇静钢的定氧加铝模型，在简化加铝量计算的同时提高了钢中[Al]控制的准确度。
After deoxidizing in refining furnace by Al final deoxidizer and Al-Si-Ca-Ba compound deoxidizer respectively,impacting experiment at low temperature for common C grade steel casting was carried out,and the distribution and morphology of inclusions were analyzed using optical microscope and scanning electron microscope.
采用铝终脱氧剂和铝硅钙钡复合脱氧剂分别对普通C级铸钢件进行炉内脱氧精炼后进行了低温冲击性能试验,并借助光学显微镜和扫描电镜对夹杂物的分布、形貌做了分析。
The Fixed-oxygen and Adding Aluminum Control System Based on S7-300PLC & MM440 Inverter
MM440变频器和S7-300 PLC在定氧加铝控制系统的应用
Model Establishment of Dynamic Data Sequence and Application in Killing Oxygen by Adding Aluminum Systen;
动态数据序列建模及其在定氧加铝控制系统中的应用
A Method of Model Establishment of Dynamic Data Sequence and Application in Killing Oxygen by Adding Aluminum System;
一种动态数据序列的建模方法及其在定氧加铝系统中的应用
Effects of Amorphous Aluminum Hydroxide Addition on Soil Organic Matter Decomposition in Phyllostachy spraecox. Preveynalis with Intensive Management
添加无定形铝氧化物对雷竹林土壤有机质矿化的影响
Namiyanghuaxin, nanometer alumina processing, and marketing.
纳米氧化锌、米氧化铝加工、售。
Measure Aluminum Contents In Compound Aluminum Hydroxide Tablets By Weighing Titration
称量滴定法测定复方氢氧铝片中的铝含量
Measurement of molybdenum content in alumina-based hydrogenation catalyst by nitrous oxide-acetylene flame atomic absorption spectrometry
氧化亚氮-乙炔火焰原子光谱吸收法测定氧化铝基加氢催化剂中钼含量
Influences over China s aluminina industry ofter China s entry into WTO;
加入WTO后对我国氧化铝工业的影响
Influence of increased ferric oxide content in bauxite on Bayer production process with lime
铝土矿中氧化铁含量增加对石灰拜耳法氧化铝生产过程的影响
Anodizing of aluminium and aluminium alloys-Determination of the fastness to ultraviolet light of coloured anodic oxide coatings
GB/T12967.4-1991铝及铝合金阳极氧化着色阳极氧化膜耐紫外光性能的测定
Anodizing of aluminium and its alloys--Assessment of quality of sealed anodic oxide coatings by measurement of the loss of mass after immersion in phosphoric-chromic acid solution
GB/T14952.1-1994铝及铝合金阳极氧化阳极氧化膜的封孔质量评定磷-铬酸法
Anodizing of aluminium and its alloys--Assessment of sealing quality by measurement of the loss of mass after immersion in acid solution
GB/T14952.2-1994铝及铝合金阳极氧化阳极氧化膜的封孔质量评定酸浸法
Anodizing of aluminium and aluminium alloys-Assessment of resistance of anodic oxide coatings to cracking by deformation
GB/T12967.5-1991铝及铝合金阳极氧化用变形法评定阳极氧化膜的抗破裂性
Aluminium oxide powders--Determination of apparent density
GB/T6522-1986氧化铝粉末松装密度的测定
Method for determination of aluminium trioxide content in manganese ores
GB/T1510-1979锰矿石中三氧化二铝量的测定
Aluminium oxide powders--Measurement of the angle of repose
GB/T6521-1986氧化铝粉末安息角的测定
DEMOLITION OF ALUMINA STORAGE BY DIRECTIONAL BLASTING IN COMPLICATED ENVIRONMENT
复杂环境下氧化铝储槽定向爆破拆除
The Improvement of Determination of Sodium Oxide Content in Aluminum Oxide by Atomic Absorption Spectrophotometry
原子吸收法测定氧化铝中氧化钠方法的改进