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  • Nature Publishing Group  (396)
  • Blackwell Publishing Ltd  (167)
  • Springer Science + Business Media
  • 1980-1984
  • 1965-1969  (563)
  • 1925-1929
  • 1968  (563)
Collection
Publisher
Years
  • 1980-1984
  • 1965-1969  (563)
  • 1925-1929
Year
  • 1
    Electronic Resource
    Electronic Resource
    Attenuation in the Chest Wall of 20 keV X-rays from an Inhaled Radioactive Aerosol (1968)
    [s.l.] : Nature Publishing Group
    Nature 217 (1968), S. 642-643 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There are now techniques for the preparation of mono-disperse aerosols of polystyrene particles, labelled with radio-nuclides, and suitable for inhalation by volunteers3. This has made it possible to study the plutonium calibration problem in vivo., using radio-nuclides which decay by orbital ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/217642b0
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  • 2
    Electronic Resource
    Electronic Resource
    Moving Particles in Intact Sieve Tubes of Heracleum mantegazzianum (1968)
    [s.l.] : Nature Publishing Group
    Nature 219 (1968), S. 531-532 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In this study we have been able to isolate living phloem tissue from the petioles of the umbellifer Heracleum mantegazzianum Somm. et Lev. grown in pots for ease of handling in the laboratory. Phloem bundles were dissected apart while remaining attached to the intact plant, a technique pioneered by ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/219531a0
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  • 3
    Electronic Resource
    Electronic Resource
    Comparison of Sarcomere Length to Other Predictors of Beef Tenderness (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 33 (1968), 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– Sarcomere length in the longissimus dorsi muscles of 20 bovine animals was compared to other variables in predicting tenderness (Allo-Kramer shear) in two muscle positions (medial and lateral) and at four cooking temperatures (60, 64, 68 and 72°C). The medial muscle position was less tender, had shorter sarcomeres and had higher correlations between sarcomere length and tenderness than the lateral muscle position. In neither position did sarcomere length account for tenderness variation that was unaccounted for by combinations of other commonly-used carcass variables indicating that a single measure of sarcomere length at a given position is of little value in predicting tenderness if certain carcass parameters are known.Comparison of sarcomere length with resistance to shear across the cross section of 5 additional longissimus dorsi muscles showed that very small differences in contraction state were associated with marked differences in tenderness in restricted muscle areas. The study emphasizes the importance of post-rigor contracture to tenderness but indicates that several estimates are necessary to characterize a single muscle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1968.tb03654.x
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  • 4
    Electronic Resource
    Electronic Resource
    Salt, Moisture and Aging Time Effects on the Viability of Trichinella spiralis in Pork Hams and Shoulders (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 33 (1968), 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– Twenty-four weanling pigs were infested with Trichinella spiralis, by dosing with trichina larvae. The hogs were raised to market weight and slaughtered. Lean samples from each ham and shoulder were digested in a pepsin-HCI solution and microscopically examined. The samples contained respectively an average of 192 and 175 larvae per gram.The hams and shoulders were dry-cured for 2 days per pound, using 8 pounds of cure per 100 pounds of meat. The mixture contained salt, sugar, potassium nitrate, and sodium nitrite. After being cured, the meat was hung for 30 days for salt equalization, rinsed, allowed to dry, smoked for approximately 24 hr at 90 to 100°F, and aged at 75°F.Cores were taken from randomly selected hams and shoulders at weekly intervals and analyzed for salt and moisture while part was digested and examined for live trichinae. Live trichinae persisted through the curing and salt equalization periods but began to be reduced in number after one week of aging. Samples taken from hams and shoulders aged for one month were found to be void of any live trichina larvae.Meat from similar samples was force-fed to rats for 5 days. After 8 weeks the rats were sacrificed and the carcasses digested and examined. No trichina larvae were found.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1968.tb03641.x
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  • 5
    Electronic Resource
    Electronic Resource
    HAZARDS ANALYSIS THROUGH QUANTITATIVE INTERPRETATION OF SENSITIVITY TESTING (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 152 (1968), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1968.tb11983.x
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  • 6
    Electronic Resource
    Electronic Resource
    RESTORATION OF STEM CELL FUNCTION AFTER IRRADIATION (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 149 (1968), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1968.tb15148.x
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  • 7
    Electronic Resource
    Electronic Resource
    THE NATURAL HISTORY OF ACQUIRED CARDIAC DISABILITY OF THE DOG (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 147 (1968), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1968.tb45565.x
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  • 8
    Electronic Resource
    Electronic Resource
    THE BASIS OF THE DIFFERENTIAL PHYTOTOXICITY OF 4-HYDROXY-3,5-DI-IODOBENZONITRILE (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 8 (1968), S. 0 
    Details
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary. Ioxynil added to culture solution was of comparable toxicity to mustard, pea and barley at the end of a 2-week treatment period. When the destruction of chlorophyll and the decrease in reduction of 2,3,5-triphenyl tetrazolium chloride were studied in leaf discs infiltrated with ioxynil solutions, three to five times the concentration of ioxynil was required for barley compared with mustard to produce a similar response. Pea was intermediate.Recovery of ioxynil from sprayed barley plants (following washing) was highest I day after spraying; 2 days after, it had decreased to 37% and 9 days after, to 25% of the maximum. Recovery from mustard increased for the first 2–3 days and remained constant I'm the next 28 days. Separation of necrotic areas of treated mustard foliage confirmed that almost all the ioxynil remained in sprayed leaves which had subsequently been killed. Disappearance of ioxynil from barley was probably due to degradation, though only small amounts of ioxynil derivatives could be detected chromatographically.It is concluded that the differential phytotoxicity between barley and mustard is largely based on retention, supported by small differences associated with plant morphology, rates of uptake of ioxynil, its effects on plant metabolism and the ability of barley to degrade or inactivate it. Almost all the differences between mustard and pea were dependent on large differences in retention and small differences in rate of uptake and interference by ioxynil with plant metabolism. The first two were removed by adding a surfactant, and the last was sufficient only to delay the onset of phytotoxicity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3180.1968.tb01427.x
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  • 9
    Electronic Resource
    Electronic Resource
    THE BASIS OF THE DIFFERENTIAL PHYTOTOXICITY OF 4-HYDROXY-3,5-DI-IODOBENZONITRlLE (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 8 (1968), S. 0 
    Details
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary. Entry of ioxynil-14C into portions of leaves was greater with mustard than with barley or pea and was unrelated to stomatal density. Measurement of ioxynil content of sprayed plants showed that by increasing the concentration of ioxynil and adding a surfactant, almost as much ioxynil could be made to enter barley as entered mustard from a lower concentration without surfactant. Auto radiographs showed that a limited amount of 14C was translocated to a small extent in plants following localized application of ioxynil-14C. An experiment comparing leaf removal by cutting with destruction of equivalent leaf areas by ioxynil treatment suggested a greater translocated effect of ioxynil with mustard than with pea or barley. Les principes de la phytotoxicité différentielle du 4-hydroxy-3,5-di-iodobetZonitrile II. Absorption et migration
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3180.1968.tb01426.x
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  • 10
    Electronic Resource
    Electronic Resource
    USE OF DYE TRACERS TO COLLECT HYDROLOGIC DATA IN OREGON (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 4 (1968), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: Dye tracers have been used in Oregon in the Collection of hydrologic data on 2,350 miles of stream channels in the Long Tom, Umpqua, Willmette, and John Day River basins, and in the Carmen-Smith power tunnel. These investigations demonstrated the usefulness, of dye tracers for determining: (1) estimates of traveltimes and travel rates of water, (2) discharge where standard methods of measuring are not applicable, and (3) dispersion characteristics of streams. Illustrations are used to present the results of time-of-travel studies in simple, concise, and readily interpreted form.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1968.tb02937.x
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