ຂ່າວ EMIN

Hanoi's air quality has shown signs of improvement following the introduction of E10 gasoline. What do the monitoring data indicate, and which indicators should be tracked to ensure an objective assessment?

What do surface resistance values ​​of 10⁶, 10⁹, and 10¹² Ω signify? Distinguish between conductive, static-dissipative, and insulating materials to select the appropriate ESD materials and evaluate them according to standards.

Anti-static mats (ESD mats) are considered a critical component of any ESD control area. Over time, the material may degrade, the surface can become contaminated, or conductive properties may diminish—often without any obvious outward signs. An intact appearance does not guarantee that the mat’s charge-dissipative capabilities still meet required standards. To accurately assess the mat's condition, visual inspection should be combined with resistance measurements conducted in accordance with ESD standards.

How do melting point and decomposition point differ? Distinguish between their fundamental nature and identifying characteristics, and explain why many substances do not have a melting point but instead decompose upon heating

What is the melting point of a polymer? Discover why polymers do not have a fixed melting temperature, the differences between thermoplastics and thermosets, and how to determine melting points using a melting point apparatus

Why does a sample exhibit a broad melting range? Explore five common causes ranging from impurities, moisture, and heating rates to sample preparation and learn how to accurately interpret the results.

CS Instruments has introduced the upgraded version of the VD 550 compressed air flow meter with a ¾” threaded connection, designed for measurement applications in high-humidity compressed air environments and demanding operating conditions.

Bridging the gap between theoretical simulation and actual hardware implementation remains the greatest challenge in advanced engineering projects. In fields such as radar, 5G/6G, and quantum computing, a lack of synchronization between the design environment and operational hardware often prolongs development timelines

For many factories, downtime is often viewed as an unexpected event that strikes during a production shift. In reality, however, the situation is different. Before a motor fails, a variable frequency drive (VFD) reports an error, or a production line requires an emergency stop, the equipment typically emits multiple warning signals—such as abnormal temperature rises, excessive vibration, degraded power quality, or unstable communication performance. These indicators can persist for days or even months before an actual breakdown occurs

The widespread adoption of wideband semiconductor components such as SiC and GaN in photovoltaic inverters, motor drives, and automotive charging systems has driven the switching frequency and power density of three-phase inverters to unprecedented levels. However, this development has also brought with it severe measurement challenges: high voltages, intense electromagnetic interference, and the requirement for ultra-fast switching signal capture at the nanosecond scale