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  • 1970-1974  (33)
  • 1965-1969  (10)
  • 1950-1954  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Solvent effect on anthracene monosulfonates in the first excited state (1971)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 75 (1971), S. 595-598 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100674a029
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of Moonlight on Insect Activity (1951)
    [s.l.] : Nature Publishing Group
    Nature 167 (1951), S. 853-853 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In spite of the fact that it is generally believed that other methods of catching are also poor at full moon, in the absence of any real evidence for this there was a distinct probability that the low catches in a light trap might be due to a lowered relative luminosity and hence a lowered ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/167853a0
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  • 3
    Electronic Resource
    Electronic Resource
    Nuclear Division in AmŒbÆ and its Bearing on Classification (1951)
    [s.l.] : Nature Publishing Group
    Nature 167 (1951), S. 582-584 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the past, the order Amoebida Calkins has been divided into families on such characters as the presence of a flagellate stage under certain physiological conditions, their parasitic or free-living nature, the possession of an accessory body called Neben-korper, etc. Such a system is not based on ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/167582a0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Communication and Life Styles in Appalachia (1969)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of communication 19 (1969), S. 0 
    Details
    ISSN: 1460-2466
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Media Resources and Communication Sciences, Journalism
    Notes: Studies of communication and change in underdeveloped countries were drawn upon to design a study of what kinds of persons adopted—or refused to adopt—what kinds of practices in the “War on Poverty” in an Appalachian county. The study approaches the individual as an interactive behavioral system whose components are variables defining his “style of life.” Data were gathered on 41 aspects of life style of heads of households and homemakers in two rural Appalachian neighborhoods. Correlation, factor analysis, and weighted rotation of these data matrices produced three individual “types,” as indicated by the items which distinguished among them.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1460-2466.1969.tb00843.x
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  • 5
    Electronic Resource
    Electronic Resource
    Effects of Pyrocatechol on Some Metabolic Processes of Mature Sugar Beet (Beta vulgaris) Plants (1970)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 23 (1970), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Pyrocatechol (PC), 10-2M, was applied to the foliage of mature plants of sugar beet (Beta vulgaris L.). Its effect on the activity of nitrate reductase, transaminase, invertase, phosphatases, sucrose synthetase, sucrose phosphate synthetase, and UDPG-pyrophosphorylase were determined 7, 14, and 21 days after treatment. Significant reductions in the activity of nitrate reductase, transaminase, invertase, and phosphatases (including phenyl phosphatase, glucose-1-, glucose-6-, fructose-6-phosphatase, and adenosine triphosphatase) in the treated plants occurred. On the other hand, activities of the enzymes of sucrose biosynthesis, uridine, diphosphate glucose pyrophosphorylase (UDPG-pyrophosphorylase), sucrose synthetase, and sucrose phosphate synthetase were significantly stimulated by the application of pyrocatechol. The results suggest that the growth inhibition following the application of PC to sugar beet plants may stem in part from an amino acid stress resulting from a PC-induced decrement in nitrate reductase and transaminase activity. Its application also creates an enzymatic condition favorable for sucrose biosynthesis and storage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1970.tb06489.x
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  • 6
    Electronic Resource
    Electronic Resource
    CONTROLLED ATMOSPHERE STORAGE OF LETTUCE. 1. Effects on Quality and the Respiration Rate of Bettuce Heads (1972)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 37 (1972), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1972.tb03382.x
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  • 7
    Electronic Resource
    Electronic Resource
    METABOLISM OF SOLANINE AND CHLOROPHYLL IN POTATO TUBERS AS AFFECTED BY LIGHT AND SPECIFIC CHEMICALS (1971)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 36 (1971), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: SUMMARY— Chlorophyll and solanine syntheses as affected by cultivars, specific gravities, light intensities, and chemicals were studied in potato (Solanum tuberosum, L.) tubers. When exposed to 100 ft-c of while fluorescent light for 5 days, tubers of Bounty, Kennebec, Norchip and Red Lasoda were most sensitive to greening and solanine development. LaChipper and Platte tubers were resistant to the light effects. Chlorophyll synthesis was inversely related to specific gravity of tubers, while specific gravity did not affect solanine synthesis. The chlorophyll content of tubers exposed to 50 ft-c and 200 ft-c was significantly less than that of tubers exposed to 100 ft-c and 150 ft-c light intensities. The solanine synthesis was not influenced by the light intensities studied. Chemicals were applied at a concentration of 10,000 ppm by vacuum injection technique. Ethrel® and Alar® were effective in inhibiting chlorophyll and solanine formation. Ethrel was more effective in retarding the chlorophyll formation and alar was most effective in preventing solanine formation. Maleic hydrazide MH®-30 and Cyocel® were ineffective in controlling both chlorophyll and solanine formation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1971.tb06391.x
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  • 8
    Electronic Resource
    Electronic Resource
    CONTROLLED ATMOSPHERE STORAGE OF LETTUCE. 2. Effects on Biochemical Composition of the Leaves (1972)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 37 (1972), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1972.tb03383.x
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  • 9
    Electronic Resource
    Electronic Resource
    Cardiac and respiratory responses in the climbing perchAnabas testudineus (1973)
    Springer
    Journal of comparative physiology 84 (1973), S. 205-226 
    Details
    ISSN: 1432-1351
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The heart rate ofAnabas is about 40 beats/min when breathing water and air. Tachycardia occurs as the fish takes an air breath and the rate declines as the breath holding continues but water breathing stops. Bradycardia is observed during this later phase. By the time the next air breath is taken, the heart rate has dropped to 15–30 beats/min. The heart rate of a fish breathing normoxic water but prevented from surfacing is about 42/min. Bradycardia occurs in hypoxic water under similar conditions. Tachycardia is observed in active fish when breathing hypercarbic water and air. On exposure to air bradycardia is found in resting fish but tachycardia occurs during activity. In air,Anabas usually repeats a breath when the heart rate drops to 15–25 beats/min. Tachycardia occurs immediately following an air breath. Heart rate then returns over a period of 3–6 mins to the normal resting level of 30 beats/min. The gas composition of the suprabranchial chambers has been measured and its relationship with the occurrence of an air breath, tachycardia and bradycardia is described. The experimental results are discussed in relation to the anatomy of the blood supply to the respiratory organs. The possible role of respiratory gases and pH in the control of breathing and perfusion is also discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00697607
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  • 10
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    Communication and Life Styles in Appalachia (1969)
    Philadelphia, etc. : Periodicals Archive Online (PAO)
    Journal of Communication. 19:3 (1969:Sept.) 202 
    Details
    ISSN: 0021-9916
    Topics: Media Resources and Communication Sciences, Journalism
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:5419-1969-019-03-000003
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