The Rockwell hardness tester is a precision measurement instrument in material and part hardness testing, which is often used in detection of materials, product and half-finished product.
洛氏硬度计是检测材料和零件硬度较精密的计量仪器，用来测量材料或者成品半成品的相应硬度，其性能指标主要体现在检测精度和操控性两个方面。
Undoubtedly, the virtual instrument system for PTCR characteristic parameters testing will offer a powerful tool to the parameter testing of PTC material.
本系统的研制成功对现阶段PT C材料的参数测试无疑提供了一个强有力的工具。
This article summarizes the improved measure of food material rheological behavior testing and introduces the newest measure and instrument about food material rheological behavior testing.
本文综述了测试食品流变性能的传统改进方法，介绍了近年来国内外食品流变性能测试方法和新仪器的研究情况。
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