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  • Why is humidity / moisture control important in a Fuel Cell?
    The root of all of this is that Nafion membranes must stay hydrated to function properly. If they are not fully humidified the conductivity decreases and therefore more of the electricity is converted directly to heat before it even leaves the membrane (I2R heating). If it gets too dry it basically
  • Fuel Cell Solutions
    PPG's engineered materials business redefines service and availability for precision expanded foils and polymers with exacting mechanical and electrical properties that meet specific conductivity, weight, and dimensional requirements.
  • Microgrid Expanded Metals for Fuel Cell & Hydrogen Oxygen Generation Technologies
    Dexmet redefines service and availability for precision expanded foils and polymers with exacting mechanical and electrical properties that meet specific conductivity, weight and dimensional requirements.
  • Measurements Thermophysical and Thermofluid Dynamic Properties of Materials by Means of IR Thermography (.pdf)
    Steady state and transient tests have been carried out on different material slabs and when heat was supplied by means of Peltier cells, a temperature was recorded by a low temperature IR camera in order to recognize the presence of discontinuities in the material, flaws, defects. Thermal
  • Guided Wave Radar at Genentech: A Novel Technique for Non-invasive Volume Measurement in Disposable Bioprocess Bags
    in a simple tray, but larger bags are typically housed in a bioprocess container --a plastic or stainless steel bin that supports the filled bag. Bioprocess containers greater than 500L are often stationary while smaller bins are typically portable. New sensor technologies for pH, DO, conductivity
  • Chromatography Roundup
    Technology Consultants (Acton, Mass.). The need to process large quantities of protein more efficiently, due to larger upstream cell culture titers, has strained downstream processing, and particularly chromatography, Levine and Ransohoff say. The trend has given rise to the need for better flow
  • Advances in pH Measurement in High-Temperature Biotech Processes
    By CD Feng, Emerson Process Management, Rosemount Analytical Liquid pH is one of the most important parameters of cell-culture and fermentation processing in the biotech industry. Yet pH measurement in various industrial processes still heavily relies upon century-old pH glass electrode technology
  • Designing Atmospheric-Pressure Plasma Sources for Surface Engineering of Nanomaterials
    . buffer to achieve a solution conductivity of 100 mS/cm and a. cell concentration of 106 cells/mL. They were then pipetted. with a 300 mL pipetter to reduce cell clumping. Fifty cell. radii for each cell type were measured from a calibrated. image of the cells under a microscope slide. Initially, each

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