酶抑制率法测定果蔬农药残留量

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.

TOC与COD的测定方法不同。测定COD是采用强氧化剂和加热回流的方法，只能将水中的有机物部分氧化（氧化率较低），并且测定时间较长，即使目前一些快速的

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.

沸石、金属有机骨架（MOF）、共价有机骨架（COF）和有机-无机杂化钙钛矿材料，最近因其复杂的结构和赋予新功能的通用性而受到广泛关注。然而，这些精细结构在电子束（e-beam）辐射下容易损坏，这给它们的表征带来了很大的困难。 针对此类样品，上海科技大学（通讯单位）与日本电子株式会社联合报告了一种方法，使用常规ADF/ABF就可以在极低电子剂量下对电子束敏感晶体进行成像。该文以Improving Data Quality in Traditional Low-dose Scanning Transmission Electron Microscopy Imaging为题发表在学术期刊?Particle & Particle Systems Characterization上。日本电子应用工程师王灵灵与上海科技大学蒋亦岚老师为共同第一作者，周毅老师与张青老师为共同通讯作者。