FIELD: process engineering.
SUBSTANCE: invention relates to preventive jobs aimed at prevention of ice jams formation at river section and can be used for softening of ice cover at areas of underwater communications. Ice cover cleaned of snow is blacked to arranged ice bulky lens. The latter focus sun rays at blacked surface and inside ice cover.
EFFECT: accelerated destruction.
2 cl
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Authors
Dates
2014-11-20—Published
2013-06-27—Filed