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Addition of activating agent has no obvious effect on fracture toughness of weld metal.

添加活性剂对焊缝金属的断裂韧性没有明显作用。

The results show that the low-temperature toughness of weld metal decreased with the increase of carbon dioxide content.

通过调节保护气体中CO2的含量,研究了保护气体氧化性对高强钢焊缝金属低温韧性的影响规律,同时分析了这种影响规律的作用过程。

Fracture Toughness of heat-affected zone is between the base metal and weld metal.

焊接热影响区的断裂韧性介于母材和焊缝金属之间。

Another kind of inclusion comes from foreign material becoming embedded in the weld metal while it is hot.

另一种夹渣来自于未冷却时就嵌入到焊缝金属内的异物。

In the last part of this study, the solidification peculiarities and nucleation mechanisms of Al-Li alloy weld metal were investigated.

在本文的最后一部分,研究了铝锂合金焊缝金属凝固组织特征和形核机制。

The sites for nucleation of different phases are expounded in the weld metal of the low...

低碳低合金钢焊缝金属最理想的组织是获得大于65%的针状铁素体,其平均板条尺寸约为1 μm。

Bead-over-bead technique was found to help in improving the fracture toughness of weld metal further.

珠子超过珠子技术被发现,以协助改善断裂韧性的焊缝金属进一步。

Porosity can occur anywhere in the weld metal or the base metal.

气孔能在焊缝金属或母体金属中的任何地方产生。

Craters are defined as depressions in the weld metal.

弧坑的定义为在焊缝金属内的凹陷。

The results of mechanical property testing have shown that the weld metal in microalloyed steel has good low-temperature toughness.

性能试验结果表明,微合金钢焊缝金属具有良好的低温韧性。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。