Che: Selected Works of Ernesto GuevaraDeath of a Revolutionary. Che Guevara’s Last Mission
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An Ideal ChE Undergraduate Experiment
There is much interest in developing fuel cells for commercial applications. This interest is driven by technical and environmental advantages offered by the fuel cell, including high performance characteristics, reliability, durability, and clean power. A fuel cell is similar to a battery—it uses an electrochemical process to directly convert chemical energy to electricity. Unlike a battery, h...
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Exonuclease activity other than RNase II (EC 3.1.4.23) was detected and purified from Escherichia coli, using [“HlrRNA, T4 phage-specific mRNA, and poly(U) as substrates. The activity co-sedimented with ribosomes and tended to aggregate in 10 rnM Tris/Cl (pH 7.51, 10 mM MgC12, but sedimented free of ribosomes and was more stable in buffer containing 1 M KCl. It was purified 300-fold by chromato...
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ژورنال
عنوان ژورنال: Hispanic American Historical Review
سال: 1970
ISSN: 0018-2168,1527-1900
DOI: 10.1215/00182168-50.4.792