Compared with the traditional hardness tester and the Leeb hardness tester, the ultrasonic hardness tester has its unique superiority.

通过对其工作原理的分析和与其他硬度测试仪器的对比，总结了超声硬度计在硬度测试上独特的优越性。

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In this paper, large alloy iron parts and low-alloy steel parts after surface heat treatment, used in the diesel engine, were tested and compared. By Leeb hardness sclerometer.

针对本厂生产的柴油机中合金铸铁和低合金钢表面热处理的大型零部件进行对比测试，扩大里氏硬度计在实践中的应用。

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Click here for more investment analysis with stock recommendations from Stephen Leeb, in Complete Investor.

FORBES: Chinese Sun Star

Leeb foresees Schlumberger delivering strong earnings growth through the end of this decade and into the next.

FORBES: Sliding Back Into Oil

Leeb has Hess (nyse: HES - news - people ) as his top pick in this group.

FORBES: Sliding Back Into Oil