fusion piercing drill是什么意思

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用法例句

A mathematical model was developed to simulate melting processes of ferrosilicon in liquid iron under natural convection.

建立了描述自然对流条件下Ｓｉ－Ｆｅ在铁液中熔化过程的数学模型，固相、液相和糊状区中的动量、热量和溶质传输用统一方程描述，用控制容积差分法耦合求解质量、动量、能量和溶质守恒方程，计算结果与实验结果基本一致。

A mathematical model for melting process of solid particles sub merged in metal bath has been developed,which includes the cases the melting point of solid particles is above, equal to,and below that of the metal.

建立了金属熔池中固体颗粒熔化过程的数学模型。

Experimental and numerical results agree; they indicate that discrete flush mounted heat sources have important influence on the melting process.

利用焓法求解了矩形空腔内有３个分散平齐热源的熔化问题，考虑并分析了加热功率和过冷度对熔化界面形状和热源表面温度的影响，并把计算结果与前人的实验结果进行了比较，它们符合得比较好。

Conformations and melting characteristics of Ni_(500) cluster, free and imprisoned between double graphite layers;

石墨层间Ni_(500)团簇形态与熔化特性的分子动力学研究

Research into fine powders of Al-Si eutectic alloy melting;

Al-Si共晶合金微粉熔化的研究

Molecular Dynamics Simulations on the Melting Process of Copper Nanowires;

铜纳米线熔化过程的分子动力学模拟

To control the smelting temperature of the copper converter((1 250±10) ℃ in slag making period, (1 180±10) ℃ in copper making) and improve the life cycle of the converter, the smelting process of cold materials is simplified in this paper and the dynamic models of smelting rate and smelting time are established.

基于此 ,作者简化了转炉中所用的各种冷料的熔化过程 ,建立了熔化速率与熔化时间的动力学模型 ,并确定了模型中的各个参数的值 。

Reducing and smelting of injected fine dust and sludge in the raceway will be an endothermic process and has direct influence on the flame temperature.

通过高炉风口喷吹只含有铁氧化物和碳的细粉尘，细粉尘在风口循环区内还原和熔化，会吸收大量的热和影响循环区的火焰温度，应采用在热风中富氧和提高风温来补偿热量损失。

The solid product can be filtered and washed in the closed filter,and then the solid product can be melted and transferred out of the filter by liquid form.

介绍一种新型动态过滤器,可以在封闭条件下完成常规的固液分离功能,还可以将分离得到的固体通过加热熔化,使固体物料以液体的形态排出过滤器;并将这种新型动态过滤器应用到香兰素生产过程中。

The effect of composition of borosilicate glass on melting , refining and shaping is investigated and the heat resistant property of the glass is tested .

研究了硼硅酸盐玻璃组成对熔化、澄清、成形的影响,并进行了耐热性能方面的测试,对比分析了影响耐热性能的主要因素,得出了具有良好耐热性能的基本组成。

The dependence of silica sand composition on its granularity is discussed through analysis of its grain distribu tion and the effect of granularity or composition on melt is al so pointed out .

通过对硅砂颗粒度的分析,介绍了硅砂成份与颗粒度的关系,说明了硅砂对熔化的影响。

Local fusion deformation occurred after the product antenna combination was brazed.

某产品天线组合钎焊后,局部发生熔化变形现象。

For instance, we have improved the technology of fusion,and have upgraded the craft of renovating hub.

通过分析康明斯6BT发动机缸盖外部产生废品的原因,采取了改善修芯和熔化工艺的措施,取得了满意的效果。

It has been found that there is an empirical relationship between the interionic separations at fusion and at tensile fracture of NaCl-structure ionic crystals, viz.

发现拉伸断裂时的离子间距γi与从等压态方程计算得到的晶体熔化时的离子间距γm之间存在一个经验关系式,即γm=(0。