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The process of atenuacao of virulencia of virus.
The process of atenuacao of virulencia of virus.
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机译：病毒性白粉病的发病过程。
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1,223,768. Attenuating viruses. GRAY INDUSTRIES, Inc. 26 Nov., 1968 [1 Dec., 1967], No. 56137/68. Heading A5B. A method of attenuating a virus comprises subjecting the virus in a treating zone, while contained in a confined zone at least one wall of which confined zone is permeable to microwave energy, to microwave energy through a moving atmosphere of coolant gas under superatmospheric pressure, for at least 10 seconds but short of complete inactivation of the virus, the moving atmosphere being in direct contact with walls of the confined zone but out of direct contact with the virus and being at a temperature below 60‹F upon its admission to the treating zone. Various viruses are specified.
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