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- The Leeb hardness tester as well as its features,typical applications,development and proper type selection were introduced. 介绍了里氏硬度计及其特点与适用场合,里氏硬度计的发展状况,里氏硬度计的正确选型;
- In this paper,the influence of the impact block mass and the impact height in Leeb hardness measurement are analyzed with the method of orthogonal experiments. 利用正交试验的方法分析了冲击体质量和冲击高度对里氏硬度测量值的影响,同时给出了一个两因素水平的可允许变动范围。
- The corresponding relation between Vickers hardness and Leeb hardness is investigated in this paper,and the method of least square estimation is used to regress the equation between them. 研究了维氏硬度和里氏硬度的对应关系,在大量试验的基础上,采用最小二乘法拟合了维氏硬度和里氏硬度的关系式,并对原换算表的低值部分进行了扩展。
- A New Hardness Testing Instrument--Leeb Hardness Tester 一种新型硬度测试仪器--里氏硬度计
- APPLICABILITY ANALYSIS OF G-TYPE LEEB HARDNESS TESTER IN TESTING G型里氏硬度计在测试中的适用性分析
- STUDY ON THE INFLUENCING FACTORS ON LEEB HARDNESS TEST 影响里氏硬度检测因素的探讨
- Keywords leeb hardness;principle;leeb hardness tester;affected factors; 里氏硬度;原理;里氏硬度计;影响因素;
- It is hard to sleep without a cooler in this room. 没有空气调节器，在这间屋里很难入睡。
- Development of the Leeb Hardness Tester and Its Proper Selection and Application 里氏硬度计的发展及正确选型与正确使用
- John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- He pushed hard on the brake pedal to avoid a collision. 他使劲踩下煞车踏板以避免撞车。
- One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
- He owes his opulence to work hard. 他的财富乃辛勤工作得来。
- She was trying hard to disgorge a fish bone. 她拚命想把鱼刺吐出来。
- The emery is a hard metallic substance. 金刚砂是非常坚硬的金属物质。
