Abstract: Zeolite catalysts and systems and methods for preparing and using zeolite catalysts having the CHA crystal structure are disclosed. The catalysts can be used to remove nitrogen oxides from a gaseous medium across a broad temperature range and exhibit hydrothermal stability at high-reaction temperatures. The zeolite catalysts include a zeolite carrier having a silica-to-alumina ratio from about 15:1 to about 256:1 and a copper to alumina ratio from about 0.25:1 to about 1:1.

Abstract: A system and method for asset registration and tagging includes determining candidate devices on a network or subnet. Device information is pulled from discovered devices. Device records are stored with device information including device serial number, model number, asset ID and service record information. A QR code is generated and displayed or printed at each discovered device. A device user scans the QR code to supply location information, as well as other user input, which is added to the device information. A device is then registered and an asset tag is printed at the device with instructions to affix it on an exterior for future reference.

Abstract: There is provided a method, and associated computer device, for controlling activation of a software application associated with a web page on closure of the web page, comprising: determining if another linked web page is associated with the software application; and in dependence thereon selectively enabling the software application.