Abstract: The technical field of the invention is the field of methods and apparatus for thermally cracking chemicals. The present invention provides a method and apparatus for measuring the vibration of a duct in which there flows at least one fluid and which is disposed inside a thermal enclosure at high temperature, wherein a vibration sensor is used that is located inside the enclosure.

Abstract: In an automatic call distribution (ACD) system having a plurality of client systems and at least one host server system, the host server system for conducting transactions in real time, a method is provided for creating and reporting data substantially synchronously with other data and in substantial real-time with events which generate the data wherein at the host server system requests are handled and translated directly into executable machine code containing all knowledge needed to execute the request as a query as if the query were directed to a relational database, a query in real-time interaction is used to access data in shared memory of the host server system and report information, typically status information related to transactions of interest, to the requesting client system.