989 resultados para glacier melting


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Includes bibliographical references and index.

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"NPS D-2034A"--Colophon.

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Two folded maps in pocket.

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"Bureau of Ships, Department of the Navy. Contract no. NObs-77019, Index Number NS-013-119."

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"Contract AT-30-1-GEN-366."

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The consumable electrode arc melting of cold-compacted thorium powder has been developed to produce dense, clean and soft ingots which can be hot rolled without cracking. By using a water-cooled copper crucible, contamination has been prevented and resultant ingots cleaner than the original powder have been produced.