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  • Package Hermeticity and Gas Analysis
    leak rate range of interest. Most test methods cited use a pressurization cycle with a tracer gas or fluid, followed by a measurement of the amount of tracer entrapped in the package, or its rate of flow from the package (per unit time).
  • Eliminating Need For Gas Preheat in Pressure Regulation
    and is not. affected by the gas flow rate through the unit.
  • High Flow Delivery Systems for Bulk Specialty Gases
    concentration in gas phase for hydrogen chloride and ammonia was measured by an FI1R spectrometer. The efficiency of Matheson Tri-gas' Nanochem series purifiers was tested at a wide range of flow rates. Heat was introduced to the Bulk Specialty Gas Unit (BSGU) and the distribution system during the purification
  • Medical Device Link .
    , improvements in gas pressure and flow control enable more-detailed control of process variables. The stand-alone gas unit is wired into the injection molding machine. It uses process signals to time and control the gas-assist process sequence. The gas unit is also linked to a
  • MICRO: Critical Materials
    device geometries is the delivery of gases to the process tools. Controlling gas delivery, in turn, requires accurate flow control devices such as mass-flow controllers (MFCs). Typically, gas delivery is accomplished by means of an MFC located on a process tool among other gas-delivery components. Most
  • White Paper - Thermal Processing Optimization: Using Advanced Rotary Tube Internals to Achieve Operational Improvements
    The use of tube internals in a rotary furnace can increase heat transfer surface area, improve radial mixing, improve gas-solid interactions, control gas flow direction, and even control material dwell time or velocity through the tube. All of these can result in a reduction of residence time
  • PAS vs. GC for SF6 Monitoring
    Monitor vs. their own Gas Chromatograph w/ an ECD detector. NUCON injected a known quantity of SF6 into their HVAC Test System and pulled bag samples from various points. By knowing the flow rates and SF6 starting concentration, NUCON calculated the expected SF6 values at each point. The samples
  • Flowmeters Benefit From Silicon Advances
    Smart-Trak digital mass flow controller features pilot module interface used to change gases and other critical parameters in the field. Unit microprocessor is programmed for ten gases that are commonly used in biotech, pharmaceutical, analytical,

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