dd3

The results show that DD3 alloy exhibits good creep strength and great creep life .

结果表明，DD3合金表现出良好的蠕变强度和较高的蠕变寿命；

Presents some results obtained from experiments on viscoplastic behaviors of DD3 single crystal .

介绍DD3单晶粘塑性行为实验研究的部分结果。

Objective To detect differential display code 3 mRNA ( DD3 mRNA ) in peripheral blood of patients with prostate carcinoma and evaluate its clinical significance .

目的探讨检测前列腺癌（PC）患者外周血DD3mRNA在诊断和治疗监测中的意义。

The interface behavior sample of Al2O3 mould shell single crystal alloy ( DD3 , DD6 ) in investment casting was prepared by direct pouring .

采用直接浇注法制备金属型壳界面行为试样，其金属为单晶高温合金DD3、DD6，型壳为Al2O3。

The compositions of these two interlayer alloys are similar to those of DD3 substrate and boron was added as melting-point depressant .

这两种中间层合金是在DD3合金成分基础上添加了一定量的降熔元素硼，分别以粉和箔带形式使用。