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Stylus-based surface profiling is a standard technique for accurate, repeatable surface shape, topography and step height measurement in applications ranging from semiconductor R&D to solar cell QC.

Using Bruker’s Hysitron PI 88 SEM PicoIndenter equipped with tilt and rotation stages in conjunction with the QUANTAX EBSD system enables a more robust characterization of metallic materials by combining high resolution phase and grain orientation mapping capabilities with targeted nanomechanical property measurements. This combination could also be used to extend the scope of research related to other advanced textured, anisotropic, or multi-phase materials.

当称量仪器用于与质量控制相关的测量时，校准是必须定期执行的关键操作之一。国际上有许多标准规范都有这方面的要求，例如ISO9001、GMP法规以及与食品安全相关的一些标准。然而关于校准的定义、实施和校准的具体操作在全球范围内并没有一个完全统一的标准。在此，我们首先需要了解一下什么是校准，以及与调整和检定的区别。

超纯水机在后期使用中会因各种因素导致设备性能下降，所以为了确保延长设备的使用寿命，日常使用时就应该注意设备的维护和保养，那么导致超纯水机性能下降的因素有哪些呢?