脱氧

It is concluded that mixture of deoxidant elements, reduction of oxygen and hydrogen source and improvement of escaping condition of oxygen from surfaced layers can prevent surfaced layers of copper-nickel alloy from producing gas holes efficiently.

本文分析了铜镍合金堆焊时所产生的气孔的主要原因及影响因素，认为粉末中脱氧元素的加入；减少氢、氧的来源；改善氢、氧从堆焊层中的逸出条件可有效防止铜镍合金堆焊层中气孔的产生。

Its subject coverage includes: types and effects of deoxidizing agents; deoxidant consumption; deoxidizing procedures; effect of deoxidizers on microstructure and product properties; and furnace and ladle deoxidation.

它的主题报导包括：脱氧剂的类型和作用；还原剂消耗量；脱氧规程；还原作用在微结构和产品特性中；熔炉和杓子去氧。

Deoxidation practice and the steelmaking process will have an effect on the properties of the steel.

脱氧程度及制造工艺对钢的性能有一定的影响。

This paper describes the new refining method and different factors influening dehydrogenation rate and deoxidation rate of molten steel.

本文主要研究各种因素对精炼钢水脱氢率、脱氧率的影响。

Oh, it is depending on the different degrees of deoxidation that the three types of steel ingots with different interior structures are produced.

根据脱氧程度的不同，生产出3种内部结构不同的钢锭。

The deoxidation process was analyzed and a model was established and simplified. he calculated results using the model accord with the experimental values.

并对脱氧过程进行分析，建立了过程的动力学模型，该模型计算的结果与实验值十分吻合。

The results show that the effect of deoxidation of Ba alloy is better than that of the common deoxidizers.

实验表明Ba合金复合脱氧剂的效果要好于常用的脱氧剂，脱氧快、夹杂物聚集长大上浮容易。

Therefore, it's feasible to control the composition of inclusion in non-aluminum deoxidation steel by controlling the composition of refining slag.

因此，通过控制精炼渣的成分来控制非铝脱氧钢中夹杂物的组成是可行的。

Deoxidation of cold heading steel with Ba bearing alloy s was studied in 250 kg induction furnace.

在 2 5 0kg感应炉上对冷镦钢进行了含钡合金脱氧的试验研究。

This is affected by the deoxidation practices, heat-treatment, the welding process and PWHT.

这些都受到脱氧工艺、热处理、焊接法和PWHT的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。