991 resultados para U-A(1)-problem
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Briefwechsel zwischen Max Horkheimer und Alice H. Maier; 5 Briefe an Maurice und Carolyn Tumarkin von Max Horkheimer, 1957/1964; 1 Brief von Max Horkheimer an Charles Gorman, 27.04.1957; 1 Brief von Alice H. Maier an die Marquis Company (Chicago), 06.05.1957; 2 Briefe an H. P. Edelman von Max Horkheimer, 1964; 3 Briefe zwischen Alice H. Maier und H. P. Edelman, 1957/1963; 1 Brief von Margot von Mendelssohn an Alice H. Maier, 01.04.1957; 1 Brief an Richard Corwine Stevenson von Max Horkheimer, 16.03.1957; 1 Brief von Max Horkheimer an Inge Aicher-Scholl, 26.02.1957; 1 Brief an Herman Strasburger von Max Horkheimer, 21.01.1957; 1 Brief von Elisabeth Richter an Alice H. Maier, [1957]; 1 Brief an den Director of International Operations (Washington) von Chauncy D. Harris, 05.02.1957; 1 Brief von Alice H. Maier an Comptroller of Customs (New York), 11.01.1957; 1 Brief an Herbert Marcuse von Alice H. Maier, 14.01.1957; 2 Briefe zwischen Alice H. Maier und The Saturday Evening Post (Philadelphia), Oktober 1956; 1 Brief an die Staats-Herold Corporation (Woodside) von Alice H. Maier, 24.09.1956; 2 Briefe zwischen Alice H. Maier und Werner Thönnessen, 1956; 2 Briefe zwischen dem National Better Business Bureau (New York) und Alice H. Maier, 1956; 2 Briefe zwischen Alice H. Maier und Herman L. Filene, Januar 1956; 5 Briefe zwischen Max Horkheimer und Edwin J. Lukas, 1962 - 1963; 7 Briefe zwischen Monroe Karasik und Max Horkheimer, 1963; 1 Brief von Max Horkheimer an James Conant, 30.05.1963; 1 Brief an John J. McCloy von Max Horkheimer, 30.05.1963; 3 Briefe an Herman S. Klein von Alice H. Maier, 1960/1963; 1 Brief von Max Horkheimer an Hartley Chemists (New York), 06.02.1962; 1 Brief an Columbia Chemists (New York) von Max Horkheimer, 06.02.1962; 1 Brief von Max Horkheimer an A. P. Bersohn, 06.06.1962; 1 Brief an A. P. Bersohn von Alice H. Maier, 20.04.1962; 1 Brief an Alice H. Maier von Paul Kind, 22.05.1962; 1 Brief an Cyrus C. Hoffman von Alice H. Maier, 23.03.1961; 2 Briefe von Alice H. Maier an Friedrich Pollock, 1960/1966;
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Briefwechsel zwischen Max Horkheimer und Alice H. Maier; 5 Briefe an Maurice und Carolyn Tumarkin von Max Horkheimer, 1957/1964; 3 Briefe zwischen Alice H. Maier und H. P. Edelman, 1957/1963; 2 Briefe von Alice H. Maier an Friedrich Pollock, 1960/1966; 2 Briefe von Max Horkheimer an The Diners Club (New York), 1965; 1 Brief an Patricia und Edward R. Wilbur von Alice H. Maier, 17.05.1965; 2 Briefe von Max Horkheimer an Patricia und Edward R. Wilbur, 1964; 2 Briefe zwischen Alice H. Maier und Alfred L. Copley, 1965; 5 Briefe zwischen William C. Kirkwood und Max Horkheimer, 1964; 2 Briefe von Max Horkheimer an Ulla Posnansky, 1964; 1 Brief an Leo Löwenthal von Max Horkheimer, 23.06.1964; 1 Brief von Max Horkheimer an Amerino Lionetti, 03.06.1964; 10 Briefe zwischen Herbert Marcuse und Max Horkheimer, 1935 - 1936; 1 Brief von R. Piper an Herbert Marcuse, 26.03.1936;
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183 Briefe zwischen Herbert Marcuse und Max Horkheimer; 6 Briefe zwischen Margot von Mendelssohn und Herbert Marcuse, 1942 - 1949; 1 Brief von Friedrich Pollock an Max Horkheimer, 20.04.1943; 1 Brief von dem Office of Strategic Services (Washington) an Herbert Marcuse, 07.12.1942; 1 Brief von dem Office of War Information (Washington) an Herbert Marcuse, 16.11.1942; 3 Briefe zwischen Herbert Marcuse und Francis K. Ballaine, Januar 1942; 1 Brief an Friedrich Pollock von Herbert Marcuse, 18.07.1949; 1 Brief von Herbert Marcuse an Leo Löwenthal, 11.04.1949;
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58 Briefe zwischen Paul Massing und Max Horkheimer, 1940 - 1949; 15 Briefe zwischen Alice H. Maier und Paul Massing, 1950 - 1964; 4 Briefe zwischen Paul Massing und Fred M. Stein, 1943; 1 Brief an Marc Vosk von Paul Massing, 25.10.1949; 2 Briefe zwischen Paul Massing und James T. Shotwell, Juni 1947; 1 Brief von Max Horkheimer an das Chancellor Hotel (San Francisco), 08.01.1947; 2 Brief von dem American Friends Service Committee (Philadelphia) an Max Horkheimer, 1946/1947; 1 Brief an Leo Löwenthal von Paul Massing, 09.08.1949; 1 Brief an Paul Massing von Samuel J. Kramer, 15.01.1945; 44 Briefe zwischen Max Horkheimer und Heinz Maus, 1939 - 1950; 3 Briefe von Heinz Maus an Leo Löwenthal, 1948- 1949; 1 Brief von Margot von Mendelssohn an Max Horkheimer, 29.03.1948;
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133 Briefe zwischen Max Horkheimer und Margot von Mendelssohn; 2 Briefe zwischen Margot von Mendelssohn und Western Defense Command and Fourth Army (San Francisco), 1942; 1 Briefe an die Wartime Civil Control (San Francisco) von Margot von Mendelssohn, 1.12.1942; 1 Brief von Max Horkheimer an die Wartime Civil Control (San Francisco), [1942]; 3 Briefe an das Police Department (West Los Angeles) von Max Horkheimer, 1942; 1 Brief von Margot von Mendelssohn an L. M. Newberry, 03.09.1942; 1 Brief an L. M. Newberry von Max Horkheimer, 31.08.1942; 1 Brief von Max Horkheimer an U. S. Attorney (Los Angeles), 16.06.1942; 1 Brief von der Hebrew Sheltering and Immigrant Aid Society (New York) an Max Horkheimer, 29.10.1941; 1 Brief an das Department of State (Washington D. C.) von F. Pollock, 30.07.1941; 1 Brief von Leo Löwenthal an das Department of State (Washington D. C.), 28.07.1941;
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208 Briefe zwischen Margot von Mendelssohn und Max Horkheimer; 1 Brief von Max Horkheimer und Arthur Gagliotti, 23.09.1948; 1 Brief an Robert Alexander (Arzt) von Margot von Mendelssohn, 15.06.1948; 3 Briefe zwischen Margot von Mendelssohn und Frederick Pollock, Januar 1946; 1 Brief an U. S. Attorney (Los Angeles) von Max Horkheimer, [1946]; 1 Brief von Hilda Kahn an Margot von Mendelssohn, 27.01.1944;
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208 Briefe zwischen Margot von Mendelssohn und Max Horkheimer; 1 Brief von Max Horkheimer an H. L. Byram, 01.05.1954; 1 Brief an Margot von Mendelssohn von Edgar E. Walden, 16.04.1954; 1 Brief von Robert S. Butts an Margot von Mendelssohn, [1954];
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46 Briefe zwischen Max Horkheimer und Frederick Wild; 1 Brief von Frederick Pollock an Leo Löwenthal, 22.04.1948; 5 Empfehlungsschreiben für Max Horkheimer von Frederick Pollock, 16. u. 17.04.1948; 1 Telegramm von Frederick Pollock an Max Horkheimer, 28.06.1943; 1 Brief an Max Horkheimer von Julius Schwietering, 18.02.1948; 10 Briefe zwischen der National City Bank of New York und Max Horkheimer, 1943-1944; 1 Brief von Frederick Wild an H. P. Edelman, 27.01.1944; 1 Brief von Hilda Kahn an Frederick Wild, 02.12.1943; 1 Brief von Frederick Wild an Jane Reinheimer, 30.11.1943;
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Briefwechsel zwischen Max Horkheimer, Frederick Pollock und Karl August und Olga Wittfogel; 1 Brief von Karl August Wittfogel an Stephen Duggan, 02.08.1936; 2 Briefe an Max Horkheimer von Karl August Wittfogel, November 1937; 1 Brief von Karl August Wittfogel an Carter, 16.07.1936; 1 Brief an den American Consul General (Tientein, China) von Max Horkheimer, 03.04.1936; 1 Brief von Max Horkheimer an Owen Lattimore, 28.12.1935;
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Briefwechsel zwischen Max Horkheimer, Frederick Pollock und Karl August und Olga Wittfogel; 2 Briefe zwischen Edith B. Bernett und Max Horkheimer, April 1940; 2 Briefe zwischen Max Horkheimer und Philip Vaudrin, Juli 1939; 3 Briefe an David H. Stevens von Max Horkheimer, 26.03.1938; 1 Brief von A. Radcliffe an Frederick Pollock, 18.11.1937; 3 Briefe an Max Horkheimer von der Columbia University Faculty of Political Science (New York), November 1937; 2 Briefe von der Columbia University Department of History (New York) an Max Horkheimer, November 1937; 1 Brief an Max Horkheimer von Sharon Beard, 27.11.1937; 1 Brief von Ruth Benedict an Max Horkheimer, 19.11.1937; 1 Brief an Max Horkheimer von Franz Boas, 19.11.1937; 1 Brief von R. E. Chaddock an Max Horkheimer, 21.11.1937; 1 Brief an Max Horkheimer von Ch'ao-ting Chi, 19.11.1937; 1 Brief von J. M. Clark an Max Horkheimer, 22.11.1937; 1 Brief an Dr. Wertheimer von Morris R. Cohen, 29.11.1937; 1 Brief von Alfred E. Cohn an Max Horkheimer, 26.11.1937; 1 Brief an Max Horkheimer von John J. Coss, 22.11.1937; 1 Brief von George S. Counts an Max Horkheimer, 24.11.1937; 1 Brief an Max Horkheimer von A. P. Evans, 22.11.1937; 3 Briefe von Gertrude Stewart an Max Horkheimer, 20. - 24.11.1937; 1 Brief an Max Horkheimer von L. C. Goodrich, 22.11.1937; 1 Brief von John W. Innes an Max Horkheimer, 20.11.1937; 1 Brief an Max Horkheimer von Philip C. Jessup, 24.11.1937; 1 Brief von John A. Krout an Max Horkheimer, 23.11.1937; 1 Brief an Max Horkheimer von Bruno Lasker, 20.11.1937; 1 Brief von Samuel McCune Lindsay an Max Horkheimer, 24.11.1937; 1 Brief an Max Horkheimer von K. N. Llewellyn, 26.11.1937; 1 Brief von R. S. Lynd an Max Horkheimer, [November 1937]; 1 Brief an Max Horkheimer von R. M. MacIver, 19.11.1937; 1 Brief von Julian W. Mack an Max Horkheimer, 24.11.1937; 1 Brief an Max Horkheimer von Arthur Maxmahon, 20.11.1937; 1 Brief von Jerome Michael an Max Horkheimer, 26.11.1937; 1 Brief an Max Horkheimer von Wesley C. Mitchell, 22.11.1937; 1 Brief von der Columbia University School of Business (New York) an Max Horkheimer, 22.11.1937; 2 Briefe zwischen Max Horkheimer und der John Simon Guggenheim Memorial Foundation (New York), November 1937; 2 Briefe von der Columbia University Department of Psychology (New York) an Max Horkheimer, November 1937; 1 Brief an Max Horkheimer von Goodwin Watson, 23.11.1937; 1 Brief von Otto Nathan an Max Horkheimer, 26.11.937; 1 Brief an Max Horkheimer von John K. Norton, 23.11.1937; 1 Brief von der Columbia University Department of Chinese (New York) an Max Horkheimer, 23.11.1937; 1 Brief an Max Horkheimer von Gerold Tanquary Robinson, 19.11.1937; 1 Brief von der Columbia University Department of Public Law and Government (New York) an Max Horkheimer, 22.11.1937; 1 Brief an Max Horkheimer von R. C. Sailer, 20.11.1937; 1 Brief von Herbert W. Schneider an Max Horkheimer, 22.11.1937; 1 Brief an Max Horkheimer von R. L. Schuyler, 20.11.1937; 1 Brief von Pauline Steorns an Max Horkheimer, 22.11.1937; 1 Brief an Max Horkheimer von Frank Tannenbaum, 19.11.1937; 1 Brief von Alfred Vagés an Max Horkheimer, 26.11.1937;
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Objectives. The purpose of this paper is to conduct a literature review of research relating to foodborne illness, food inspection policy, and restaurants in the United States. Aim 1: To convey the public health importance of studying restaurant food inspection policies and suggest that more research is needed in this field, Aim 2: To conduct a systematic literature review of recent literature pertaining to this subject such that future researchers can understand the: (1) Public perception and expectations of restaurant food inspection policies; (2) Arguments in favor of a grade card policy; and, conversely; (3) Reasons why inspection policies may not work. ^ Data/methods. This paper utilizes a systematic review format to review articles relating to food inspections and restaurants in the U.S. Eight articles were reviewed. ^ Results. The resulting data from the literature provides no conclusive answer as to how, when, and in what method inspection policies should be carried out. The authors do, however, put forward varying solutions as to how to fix the problem of foodborne illness outbreaks in restaurants. These solutions include the implementation of grade cards in restaurants and, conversely, a complete overhaul of the inspection policy system.^ Discussion. The literature on foodborne disease, food inspection policy, and restaurants in the U.S. is limited and varied. But, from the research that is available, we can see that two schools of thought exist. The first of these calls for the implementation of a grade card system, while the second proposes a reassessment and possible overhaul of the food inspection policy system. It is still unclear which of these methods would best slow the increase in foodborne disease transmission in the U.S.^ Conclusion. In order to arrive at solutions to the problem of foodborne disease transmission as it relates to restaurants in this country, we may need to look at literature from other countries and, subsequently, begin incremental changes in the way inspection policies are developed and enforced.^
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We investigated the influences of temperature, salinity and pH on the calcium isotope as well as trace and minor element (uranium, strontium, magnesium) to Ca ratios on calcium carbonate cysts of the calcareous dinoflagellate species Thoracosphaera heimii grown in laboratory cultures. The natural habitat of this species is the photic zone (preferentially at the chlorophyll maximum depth) of temperate to tropical oceans, and it is abundant in deep-sea sediments over the entire Cenozoic. In our experiments, temperatures ranged from 12 to 30 °C, salinity from 36.5 to 38.8 and pH from 7.9 to 8.4. The delta44/40Ca of T. heimii cysts resembles that of other marine calcifiers, including coccolithophores, foraminifers and corals. However, its temperature sensitivity is considerably smaller and statistically insignificant, and T. heimii might serve as a recorder of changes in seawater delta44/40Ca over geologic time. The Sr/Ca ratios of T. heimii cysts show a pronounced temperature sensitivity (0.016 mmol/mol °C**-1) and have the potential to serve as a palaeo-sea surface temperature proxy. No clear temperature- and pH-dependences were observed for Mg/Ca. U/Ca seems to be influenced by temperature and pH, but the correlations change sign at 23 °C and pH 8.2, respectively.
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Hydrothermal circulation at oceanic spreading ridges causes sea water to penetrate to depths of 2 to 3 km in the oceanic crust where it is heated to ~400 °C before venting at spectacular 'black smokers'. These hydrothermal systems exert a strong influence on ocean chemistry (Edmond et al., 1979, doi:10.1016/0012-821X(79)90061-X), yet their structure, longevity and magnitude remain largely unresolved (Elderfield and Schultz., 1996, doi:10.1146/annurev.earth.24.1.191). The active Transatlantic Geotraverse (TAG) deposit, at 26° N on the Mid-Atlantic Ridge, is one of the largest, oldest and most intensively studied of the massive sulphide mounds that accumulate beneath black-smoker fields. Here we report ages of sulphides and anhydrites from the recently drilled (Humphris et al., 1995, doi:10.1038/377713a0) TAG substrate structures -determined from 234U-230Th systematics analysed by thermal ionization mass spectrometry. The new precise ages combined with existing data (Lalou et al., 1993, doi:10.1029/92JB01898; 1998, doi:10.2973/odp.proc.sr.158.214.1998) show that the oldest material (11,000 to 37,000 years old) forms a layer across the centre of the deposit with younger material (2,300-7,800 years old) both above and below. This stratigraphy confirms that much of the sulphide and anhydrite are precipitated within the mound by mixing of entrained sea water with hydrothermal fluid (James and Elderfield, 1996, doi:10.1130/0091-7613(1996)024<1147:COOFFA>2.3.CO;2). The age distribution is consistent with episodic activity of the hydrothermal system recurring at intervals of up to 2,000 years.