Abstract: Smart energy meters are commonly used in power grids in various countries at present. However, in the process of using smart meters, there is no effective online measurement method, which ...

梅特勒FE22台式pH计以简约设计提升实验室效率，具备直观操作界面和紧凑结构，支持RS232及USB数据传输。其电极支架可收纳于仪表侧面，节省空间。主要参数包括单通道pH测量范围0–14，分辨率达0.01pH，温度测量范围0–100°C，支持智能传感器管理（ISM），外形 ...

梅特勒托利多梅特勒-托利多FE38-Meter电导率仪pH/离子计、电导率仪由北京德泉兴业商贸有限公司提供，产地为德国，属于进口 ...

As the much-anticipated due date inches even closer, there’s definitely an increase in both excitement and anxiety. While there’s joy in finally getting to meet the newest member of your family, we ...

Figure 1. The sapphires in this necklace, ranging in size from 2.4 to 6.7 ct, were reportedly produced in Baw Mar. This is one of the pieces that recently made its way to the Gübelin Gem Lab; some of ...