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  • Description: colloidal
(6 results)



Display: 20

    • View of cross section

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    • This diagram shows a typical surface cross section as it might appear, magnified many thousands of times, under an electron microscope. The surface might be that of a fiber, or of a painted wall, or even wall paper. In Line No. 1, rough soil...
    • View of ultracentrifuge

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    • The ultracentrifuge used at the Experimental Station to determine molecular weights of colloidal materials such as proteins, cellulose and rubber. The upper half of the housing is shown at the top of the picture. Observations are made through the...
    • DuPont Magazine [February 1948]

    • Periodicals; Chemical industry; Presidents; Metallurgical industry; Sewing machine industry; Plastics industry; Textile industry;
    • Table of Contents: The company's tenth president; Bleaching by the mile; The metals industry and DuPont; Story previews; Steel...and your sewing machine; Bottles can be packages; U.S. 40 follows Buffalo Bill's trail; Revolution in the hen house; Rx...

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