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Chapter
Compensation of GaAs by Oxygen Implantation
Oxygen implantations are found to produce semi-insulating layers, buried or not, according to the energy and the dose, and temperature resistant, up to 800°C. These semi-insulating layers are attributed to dop...
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Article
Saramycetoic acid and its lactam saramycetic acid A
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Article
Purification de la pénicillinase deBacillus cereus
A method for purification of Penicillinase fromBacillus cereus is described whereby we obtain the enzyme in a very pure form and in excellent yields. Starting from a crude acetone precipitate, the purification is...