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1·Age hardening is the most distinct feature of the steel.

铜的时效硬化是该钢最显著的特点之一。

2·A new type of age hardening alloy metal powder-cored wire for TIG surfacing is developed.

研制了一种用于TIG堆焊的时效硬化工具合金金属粉芯焊丝。

3·The age hardening characteristic of Cu Ni Si Cr Fe alloy has been investigated in this paper.

因而研究铜在钢中的时效强化、沉淀规律具有重要意义。

4·The microstructure and mechanical properties of a copper bearing age hardening steel were studied.

研究了含铜时效钢焊接热影响区的组织与性能。

5·It has been found that the age hardening of asphalts is mainly due to the increase of asphaltene...

沥青质含量的增加是沥青老化后性质变坏的重要原因。

6·It has been found that the age hardening of asphalts is mainly due to the increase of asphaltene content.

沥青质含量的增加是沥青老化后性质变坏的重要原因。

7·Where required, some of the alloys also offer post form, heat treatment (age hardening) capabilities for even higher hardness and strength levels.

如果需要，一些合金还可以提供成形后热处理(老化硬化)至更高硬度和强度的能力。

8·The new domestic - developed plastic mould steels include prehardening steel . age hardening steel, quenching-tempering steel, cold -forming steel, and anti - corrosion steel, etc.

国产新型塑料模具钢主要有预硬钢、时效硬化钢、淬火——回火钢、冷挤压成型模具钢、耐蚀钢等类型。

9·Influence of electric field on the age hardening curve and microstructure of 2e12 aluminum alloy have been investigated by means of hardness-test and transmission electron microscopy (TEM).

通过硬度测量和TEM分析的方法研究了电场对2e12铝合金时效硬化曲线和微观组织的影响。

10·About 4 out of every 100 (4%) people over the age of 55 years experienced symptoms, but there was evidence of hardening of the arteries in a further 25% of patients who were not experiencing symptoms.

年龄大于55岁的人群有大约4%经历过该症状，但也有证据表明动脉硬化病人中，有多达25%的人没有间歇性跛行症状。