碳当量高是引起石墨漂浮的主要原因。
The increase of carbon equivalent is primary reason for graphite floatation.
设计了一种碳当量较高的抗热疲劳变质灰铸铁。
A modified grey cast iron with high carbon equivalent and with thermal fatigue resistant was designed.
高碳当量灰铸铁具有良好的铸造性能,但提高强度是一个重要研究课题。
Grey cast iron with high carbon equivalent has excellent castability, but? It's? Difficult to get high strength.
采用合理的熔炼工艺、选择合适的碳当量及孕育方法是提高冶金质量的先决条件。
Adopting rational melting process and proper carbon equivalent as well as inoculation process is the precondition to improve the metallurgical quality of castings.
通过加速冷却,可以在不影响强度的前提下,降低碳当量以改善钢的韧性和焊接性。
Carbon content can be reduced to improve toughness without loss in strength by strictly controlling accelerated cooling processes.
结果表明,钢材的碳含量低时,可以在较高的碳当量条件下,具有较低的冷裂纹敏感性。
The results show that the steel JB800 has low weld cold crack sensitivity, despite it has high carbon equivalent.
提高铁液的碳当量、增加孕育剂量和降低铸态组织的渗碳体数量,均有利于增加石墨球数量。
Adding of carbon equivalent and the amount of inoculant can reduce the amount of as cast carbide and increase the number of nodular graphite.
利用高碳当量灰铸铁组织强度试验数据,提出了一种基于支持向量机理论的灰铸铁强度预测模型。
On the basis of the experimental data of microstructure and strength for gray cast iron with high carbon equivalent, a model of support vector machine for gray cast iron prediction was established.
控制公式同时包含了当量碳燃烬比对空气供给的影响。
Control formula includes influence of carbon equivalent burn-out ratio to air supply.
实验主要考察了氧的当量比和氧体积分数对气化气组成、碳转化率和气体热值的影响。
The effects of equivalence ratio and volume fraction of oxygen on gas composition, carbon conversion and low heating value (LHV) of fuel gas were investigated through a series of experiments.
利用该燃烧模型进一步研究柴油机的燃烧和碳烟生成中的一些问题:如点火延迟时间与混合气浓度的关系,排气中的碳烟浓度与混合气油气当量比的关系。
Using a combustion model some problems such as: the relationship between ignition delay and fuel concentration, the relationship between soot concentration and the equivalent ratio of mixt...
实验主要考察了氧的当量比和氧体积分数对气化气组成、碳转化率和气体热值的影响。
The effects of equivalence ratio and volume fraction of oxygen on gas composition, carbon conversion and low heating value of fuel gas were investigated through a series of experiments.
实验主要考察了氧的当量比和氧体积分数对气化气组成、碳转化率和气体热值的影响。
The effects of equivalence ratio and volume fraction of oxygen on gas composition, carbon conversion and low heating value of fuel gas were investigated through a series of experiments.
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