A cell phone location-based system is described that determines the occupancy of a home and controls home energy consumption such that energy is saved when the home is unoccupied. Occupancy is determi
Google’s next major update to the Android operating system for smartphones — Android 13 — launched a few weeks ago. Among the biggest features is a function that lets you control your connected smart devices right from your lock screen — without having t...
and using a split ratio of 5:1. The quadrupole MS was operated in 70 eV electron ionization mode, ion source temperature of 230 °C, solvent delay time of 3.0 min, deactivated fused-silica capillary as the transfer line (0.8 m × 0.1 mm I.D.) thermostated at 280 °C, and a mass...