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  • Monitor Your Pump for Process Efficiency
    Pumps are all too frequently one of the most overlooked and abused pieces of equipment in process automation, yet nothing moves without them and a process becomes inefficient when they don't operate properly or completely shutdown. While it is convenient to blame the pump manufacturer, more often
  • Photoacoustic Monitor Helps BASF Manage Ethylene Oxide Levels
    BASF Corp.'s Geismar Louisiana Facility needed to monitor ethylene oxide levels from 19 remote sampling points around the plant to ensure compliance with the OSHA 8 hour TWA exposure limit of 1 ppmv and check for leaks and process upsets. A sampling and measurement system comprised of an Innova
  • Wyeth Carolina Uses PAT to Monitor an Oxygen-Sensitive New Parenteral
    , for example, the lyophilized product is sealed under partial vacuum in a nitrogen atmosphere. During the vacuum break cycle, nitrogen is back-flushed into the lyophilization chamber to 860 mb pressure and the stopper is then set. Last year, our team saw an opportunity to use Process Analytical
  • Beta testing an in-line monitor for moisture measurement in inert gas lines
    levels that are acceptable for a given process, and allow purge cycles to be determined with precision. This article reports on the beta tests performed at two sites for an in-line moisture detection device based on a new monitoring technology developed by Millipore (Bedford, MA), which
  • Medical Device Link . The Race to Develop a Painless Blood Glucose Monitor
    in health-care costs annually in the United States alone. In the process, companies making these monitors could reap an impressive financial harvest. Industry sources estimate that the worldwide market for glucose-monitoring products surpassed $1.5 billion in 1994 and continues to grow at a 14% clip
  • Novel Passivation Ledge Monitor in an InGaP HBT Process
    The HBT ledge thickness and quality is vital for. device performance and reliability. In this work we. report on a measurement technique and test structure. for monitoring the emitter passivation ledge based on the. use of TaN as a barrier between the InGaP ledge surface. and the top metal contact
  • Using an in-line monitor to obtain real-time moisture measurements (First of two parts)
    detection tool that more directly addresses the industry's emerging requirements for continuous monitoring in process applications with zero contamination tolerance. After briefly reviewing the available measurement techniques, this article describes the development of an in-line monitor that provides
  • Biopharmaceutical Process Control: Part Two: Process Modeling
    By Michael Boudreau and Gregory McMillan, Emerson Process Management These blocks in turn contain at the lowest level composite blocks representing Michaels Mention saturation kinetics combined with inhibition. This block architecture allows for the creation of a library and the flexibility

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