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Urea

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• Metabolism
• Nitrogen excretion
• Urine
• Urine -- Analysis

• Urea -- Abstracts
• Urea -- Analysis
• Urea -- Derivatives
• Urea -- Metabolism
• Urea -- Physiological effect
• Diuron
• Thiourea
• Urea as feed
• Urea as fertilizer
• Fishes -- Excretion -- Urea
• Urine -- Analysis -- Urea

• Carbamide

• A study of four-membered cyclic-ureas ... (Eschenbach printing company, 1919), by Norbert Adolph Lange (page images at HathiTrust)
• On the oxygen ethers of urea ... (Press of the Chemical publishing co., 1904), by William McAfee Bruce (page images at HathiTrust)
• The chemistry of urea, the theory of its constitution, and of the origin and mode of its formation in living organisms (Longmans, Green and co., 1923., 1923), by Emil Alphonse Werner (page images at HathiTrust; US access only)
• The numerical laws governing the rate of excretion of urea and chlorides in man ... (Chicago, 1915), by Franklin C. McLean (page images at HathiTrust)
• Über Nitroharnstoff, Nitrourethan und das Nitramid ... (Druck von V. Höfling, 1895), by Arthur Lachman (page images at HathiTrust)
• Delamination rate of acrylic-latex-finished urea-bonded particleboard in short-term exterior exposure (U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1988), by Charles Carll and Forest Products Laboratory (U.S.) (page images at HathiTrust)
• Untersuchungen über die Absonderung des Harnstoffs and deren Verhältniss zum Stoffwechsel. (Ferber, 1861), by Carl Vogt (page images at HathiTrust)
• Urea and non-protein nitrogen in ruminant nutrition. ([New York? pref., 1963), by Allied Chemical Corporation. Nitrogen Division (page images at HathiTrust)
• Micro syntheses with tracer elements. [Part] I, The synthesis of urea labelled with C¹⁴ : a new synthesis of cyanimide (U.S. Atomic Energy Commission, Technical Information Branch, 1949), by Arthur Murray, Anthony R. Ronzio, Los Alamos Scientific Laboratory, and U.S. Atomic Energy Commission (page images at HathiTrust)
• Synthesis of urea labeled with N¹⁵ (United States Atomic Energy Commission, Technical Information Service, 1950), by D. L. Williams, Los Alamos Scientific Laboratory, and U.S. Atomic Energy Commission (page images at HathiTrust)
• Is muscular motion the cause of the production of urea? : being a thesis for the degree of Doctor of Medicine, in the University of New York (Holman & Gray, Printers, 1856), by John C. Draper (page images at HathiTrust)
• Comparative tests of Spiro's and Folin's methods for the determination of ammonia and urea. ([Baltimore, 1909), by Paul Edward Howe and Philip Bovier Hawk (page images at HathiTrust)
• De l'urée, physiologie, chimie, dosage. (Baillière, 1872), by Marc Boymond (page images at HathiTrust)
• Emergency feeding of livestock (College Station, Texas : Agricultural Extension Service, Texas A. & M. College System, 1953., 1953), by John H. Jones, J. A. Gray, A. L. Smith, Texas Agricultural and Mechanical College System. Agricultural Extension Service, and United States Department of Agriculture (page images at HathiTrust; US access only)
• Emergency feeding of livestock (College Station, Texas : Texas Agricultural Extension Service, [1957], 1957), by John H. Jones, J. A. Gray, A. L. Smith, Texas Agricultural Extension Service, and United States Department of Agriculture (page images at HathiTrust; US access only)
• Emergency feeding of livestock (Texas Agricultural Extension Service, 1964), by J. A. Gray, L. A. Maddox, Uel D. Thompson, Texas Agricultural Extension Service, and United States Department of Agriculture (page images at HathiTrust; US access only)
• Effect of extending hot-press, urea-resin glue with rye flour on strength and durability of the glue joints (Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1942), by Don Brouse, University of Wisconsin, and Forest Products Laboratory (U.S.) (page images at HathiTrust)
• Forest Products Laboratory urea-plasticized wood (uralloy). (U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1943), by University of Wisconsin and Forest Products Laboratory (U.S.) (page images at HathiTrust)

• Urea and non-protein nitrogen in ruminant nutrition. (Nitrogen Division, Allied Chemical Corp., 1963), by Allied Chemical Corporation. Nitrogen Division, Ronald R. Johnson, Astrid Spellman, and Harvey J. Stangel (page images at HathiTrust)

• Studies on the formation and distribution of urea and uric acid in vertebrates : the urea content of the blood and tissues in vertebrates under normal conditions and after inanition and restricted diets (1916), by Walter G. Karr (page images at HathiTrust; US access only)

• 2-uraminobenzoic acid, benzoylene urea and some of their derivatives; and their use of dinitrobenzoylene urea as an indicator ... (Eschenbach printing company, 1916), by George Scatchard (page images at HathiTrust)
• On the isourea ethers and other derivatives of ureas ... (Press of the Chemical Publishing Co., 1899), by Frank Burnett Dains (page images at HathiTrust)

• Metabolism of C¹⁴ tagged urea (U.S. Atomic Energy Commission, Technical Information Branch, 1949), by Edgar Leifer, Louis H. Hempelmann, Lloyd J. Roth, Los Alamos Scientific Laboratory, and U.S. Atomic Energy Commission (page images at HathiTrust)

• Use of urea and salicylate to elute antibody from insoluble antigen (Washington, D.C. : Office of Technical Services, Department of Commerce, 1957., 1957), by Irving L. Spar, Jean Williamson, Barbara Bailey, Ruth L. Goodland, William F. Bale, University of Rochester. Atomic Energy Project, and U.S. Atomic Energy Commission (page images at HathiTrust)

• Effect of annual applications of diuron on seed yields of perennial grasses in Oregon (Agricultural Research Service, U.S. Dept. of Agriculture, 1966), by William O. Lee and Oregon State University. Agricultural Experiment Station (page images at HathiTrust; US access only)

• The effects of thyroid-inhibiting drugs on some tropical fish. (Catholic University of America Press, 1954), by Fabian Frieders (page images at HathiTrust; US access only)
• Leaching gold-silver ores with sodium cyanide and thiourea under comparable conditions (U.S. Dept. of the Interior, Bureau of Mines, 1988), by J. A. Eisele, D. L. Lampshire, and A. H. Hunt (page images at HathiTrust)
• Synthesis of thiourea labeled with S³⁵ (United States Atomic Energy Commission, Technical Information Service, 1950), by C. Wayne Bills, Anthony R. Ronzio, U.S. Atomic Energy Commission, and Los Alamos Scientific Laboratory (page images at HathiTrust)
• Synthesis of thiourea labeled with C¹⁴ (United States Atomic Energy Commission, Technical Information Service, 1950), by C. Wayne Bills, Anthony R. Ronzio, and Los Alamos Scientific Laboratory (page images at HathiTrust)
• Über die elektrochemische Reduktion einiger m-Nitrophenylthioharnstoffe. (Druck von J. Weinert, 1903), by Hugo Schlemmer (page images at HathiTrust; US access only)
• The inability of thiourea to modify roentgen ray irradiation mortality in rats (Los Angeles, California : The University of California at Los Angeles, Atomic Energy Project, 1951., 1951), by Thomas J. Haley, Andrew H. Dowdy, Samuel Mann, Los Angeles University of California, and U.S. Atomic Energy Commission (page images at HathiTrust)

• Digest of research on urea and ruminant nurtrition. ([Wilmington, Del., 1958), by E.I. du Pont de Nemours & Company (page images at HathiTrust)
• Beef cattle feeding experiments with urea (University of Idaho, College of Agriculture, 1955), by R. F. Johnson, T. B. Keith, and W. P. Lehrer (page images at HathiTrust; US access only)
• A Preliminary evaluation of dicyandiamide and urea for dairy cattle (Kentucky Agricultural Experiment Station, University of Kentucky, 1955), by C. A. Lassiter (page images at HathiTrust; US access only)
• Urea and diammonium phosphate as protein sources in beef cattle rations (Louisiana State University and Agricultural and Mechanical College, Agricultural Experiment Station, 1967), by Paul B. Brown (page images at HathiTrust; US access only)
• Feeding urea to dairy cows (Massachusetts State College, 1943), by J. G. Archibald (page images at HathiTrust; US access only)
• Guidelines for increasing urea utilization in rations for dairy cows (Ohio Agricultural Research and Development Center, 1969), by H. Russell Conrad, J. W. Hibbs, and J. R. Staubus (page images at HathiTrust; US access only)
• The use of urea to increase the crude protein content of corn silage for fattening steers (Ohio Agricultural Experiment Station, 1955), by Orville G. Bentley, Earle W. Klosterman, and Paul Engle (page images at HathiTrust; US access only)
• The effectiveness of coated urea prills and copper treated urea prills as nitrogen sources for rumen microorganisms (Ohio Agricultural Experiment Station, 1962), by Ronald R. Johnson, Orville G. Bentley, and Truman V. Hershberger (page images at HathiTrust; US access only)
• Urea in rations for cattle and sheep : a summary of experiments at the Oklahoma Agricultural Experiment Station, 1944 to 1952 (Oklahoma Agricultural Experiment Station, 1953), by Willis D. Gallup, L. S. Pope, and C. K. Whitehair (page images at HathiTrust; US access only)
• Urea as a source of protein in livestock rations (Oklahoma Agricultural Experiment Station, 1953), by Willis D. Gallup, L. S. Pope, and C. K. Whitehair (page images at HathiTrust; US access only)
• Urea for pregnant ewes (Animal Husbandry Dept., Agricultural Experiment Station, South Dakota State College, 1953), by R. M. Jordan (page images at HathiTrust; US access only)
• The use of urea and stilbestrol in rations for beef cattle (University of Tennessee, Agricultural Experiment Station, 1957), by M. C. Bell, J. A. Odom, and R. A. Reynolds (page images at HathiTrust; US access only)
• Impact of urea on oilseed meal markets (U.S. Dept. of Agriculture, Agricultural Marketing Service, Market Development Research Division, 1961), by Richard Hall (page images at HathiTrust)

• Response to urea and ammonium nitrate fertilization in an 80-year-old Douglas-fir stand (Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1979), by Richard E. Miller, Constance A. Harrington, United States Forest Service, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Urea fertilizer increases growth of 20-year-old, thinned Douglas-fir on a poor quality site (Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1977), by Richard E. Miller, Donald L. Reukema, United States Forest Service, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Effects of an aerial application of urea fertilizer on young spruce and western hemlock at Thomas Bay, Alaska (Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1977), by Wilbur A. Farr, Spencer N Isrealson, A. S. Harris, United States Forest Service, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Sulfur-coated urea (Tennessee Valley Authority, National Fertilizer Development Center, 1979), by National Fertilizer Development Center (U.S.), Ronald D. Young, Darrell Arden Russel, and Fred Myers (page images at HathiTrust)
• Effect of soil and urea fertilization on foliar nutrients and basal area growth of red spruce (Life Sciences and Agriculture Experiment Station, University of Maine, 1977), by Lawrence O. Safford, T. W. Knight, and Harold E. Young (page images at HathiTrust; US access only)
• Effects of forest fertilization with urea on major biological components of small cascade streams, Oregon (Corvallis Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1979), by F. S. Stay, Corvallis Environmental Research Laboratory. Freshwater Division, Corvallis Environmental Research Laboratory, and United States Forest Service (page images at HathiTrust)
• Urea and calcium cyanamide in tobacco plant beds (North Carolina Agricultural Experiment Station, 1954), by Charles B. McCants, W. G. Woltz, and North Carolina Agricultural Experiment Station (page images at HathiTrust; US access only)
• Rate and fall versus spring application of urea nitrogen for corn (Ohio Agricultural Experiment Station, 1963), by J. Benton Jones and D. J. Hoff (page images at HathiTrust; US access only)
• Urea-formaldehyde and other nitrogenous fertilizers for use on turf (Pennsylvania State College, School of Agriculture, Agricultural Experiment Station, 1951), by H. B. Musser (page images at HathiTrust; US access only)
• Ammonia volatilization from urea fertilizers (National Fertilizer Development Center, Tennessee Valley Authority, 1988), by D. E. Kissel and B. R. Bock (page images at HathiTrust; US access only)
• Production and fertilizer use of urea (U.S. Dept. of Agriculture, 1943), by Albert R. Merz and B. E. Brown (page images at HathiTrust)

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