51 resultados para Net nitrogen mineralization
em University of Michigan
Evaluation of the Technicon block digestor system for total kjeldahl nitrogen and total phosphorus /
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Issued Feb. 1978.
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Mode of access: Internet.
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Includes bibliographies.
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"Contract no. 68-03-2450."
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Mode of access: Internet.
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Work performed at the Argonne National Laboratory.
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Mode of access: Internet.
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Mode of access: Internet.
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At head of title: Environmental & Water Quality Operational Studies.
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"September 10, 1952."
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Hunt's Mesa adjoins the southern part of Monument Valley about six miles south of the Arizona-Utah state line. The area has not been surveyed, but the location, as determined from uncontrolled areal mosaics, is between latitudes 36° 53.5' and 36° 54' N., and longitudes 110° 3.5' and 110° 4.25' W.
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In pocket: Report on field observation and experience in community nutrition.
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"Presented at the 44th Annual Conference of the Water Pollution Control Federation, San Francisco, California (October, 1971)"--P. 1.
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"This report covers work performed under Contract no. DA-30-069-ORD-3443, ARPA order number 253-62 [and] is a part of Project Defender."
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Contract No. W-7405-eng-92 with the U.S. Atomic Energy Commission.