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  1. A

    L'Hopital Rule

    <DL><DD><DL><DD></DD></DL></DD><DD>hey gjuys how do you get from (e^x-1)/2x=e^x/2</DD></DL>thnx
  2. A

    What teh difference between AAS and AES?

    ANyoune? thnx
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    Microscopic Membrane Filters

    Hey, does anyone know how a membrane filter works. I checked all the textbook sources and internet but i still don't get it. I think i need a 3d diagram to see.:o thnx
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    Industrial and Medical Radio Isotopes

    Does any1 know an extensive list of medical and industrial radio isotopes? e.g. a small list. please correct me if i am wrong. Industrial ~ Cobalt-60 (leveling gauges and to x-ray welding seams and other structural elements to detect flaws) ~ Americium-241 (medical diagnostic devices)...
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