The effect of carbon, molybdenum and rare earths on hot cracking susceptibility of austenitic stainless steel welds was studied with continuously variable deformation rate cracking test (VDR) method.
应用变形速率连续可变式热裂纹试验方法(VDR法)研究了碳、钼和稀土元素对奥氏体不锈钢焊缝热裂敏感性的影响。
At the same time, by taking acid testing, work curve scope testing, co-exist elements effect, recycle test, a fast analysis method for molybdenum in steel has been established.
同时，通过酸度试验、工作曲线线性范围测定、共存元素影响、回收试验等，建立了钢中钼的快速分析方法。
We use the improved G-3 Engineering driller to proceed field test at Henan molybdenum minerals. The result is very fine.
改装后的G - 3钻机在河南钼矿现场进行生产试验，效果良好。
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