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1)  wide-band laser surface quenched
宽带激光表面淬火
1.
Microstructure, microhardness and tribological properties of ferrous sintered cam materials were investigated under two state (sintered and wide-band laser surface quenched).
本论文研究了铁基烧结凸轮材料经宽带激光表面淬火前后的显微组织、硬度及其摩擦学特性。
2)  wide band laser quenching
宽带激光淬火
3)  Laser Surface Quenching
激光表面淬火
1.
The simulation of the temperature field associated with laser surface quenching is discussed using finite element analysis software ANSYS.
基于有限元分析软件ANSYS对激光表面淬火温度场进行模拟,并结合实验的数据,建立了材料表面能量转换系数的变化规律的数学模型。
2.
A set of technological specifications fit for laser surface quenching have been obtained in view of the punching die of T12 steel lamp holder through heat tr-eatment, metallographies analysis and industrial application etc.
针对T_(12)钢灯头冲孔凹模,经过热处理、金相分析检测、工业应用等试验过程,研究总结出一套适于激光表面淬火的工艺规范,使该模具工作寿命平均提高近3倍。
4)  laser surface hardening
激光表面淬火
1.
Study of laser surface hardening engineer testing on the local of steam turbine lamina;
汽轮机叶片局部激光表面淬火工艺试验研究
2.
Investigation of laser surface hardening for mould-cutting roller;
模切辊激光表面淬火的研究
3.
The laser surface hardening for cutting fibre roller made of 4Cr13 stainless steel was tested by using continuous wave CO 2 laser beam.
用连续波CO2 激光束对 4Cr13不锈钢过丝辊进行激光表面淬火。
5)  the technology parameter of laser surface quenching
激光表面淬火工艺参数
6)  light beam surface hardening
光束表面淬火
补充资料:宽带和窄带业务
  宽带业务是相对窄带业务而言的,一般来说,对于速率低于2Mb/s的通信业务统称窄带业务,如电话网、N-ISDN所提供的业务。对于高于2Mb/s的通信业务,如帧中继业务、视频点播、ATM业务、TV会议等称为宽带通信业务。  目前投入应用的宽带接入技术主要有两种:ADSL和FTTX+LAN。
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