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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 40 (1984), S. 29-36 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Cadmium is present naturally in the air mainly as a result of volcanic emissions and release by vegetation. Anthropogenic sources, which overall give rise to emissions one order of magnitude greater than natural sources, are largely primary non-ferrous metals production and waste incineration. Measured concentrations of airborne cadmium are typically 〈 1 ng m−3 at remote sites, 0.1–10 ng m−3 at rural sites and 1–100 ng m−3 at urban and industrial sites, dependent upon the nature and proximity of local sources. Particle sizes are generally 〈2 μm, and often considerably smaller, consistent with an anthropogenic source and a long atmospheric life-time. Cadmium deposition to the land occurs with fluxes varying from 0.05 ng cm−2 month−1 in Greenland to circa 1000 ng cm−2 month−1 in the vicinity of major industrial sources. The possible significance of a motor vehicular source of airborne cadmium is also reviewed.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1420-9071
    Keywords: Blood, peripheral ; T cells ; immunofluorescence technique ; lymphocytotoxicity technique
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary We compared a simple complement-dependent lymphocytotoxicity test with a widely used indirect immunofluorescence procedure to enumerate total T, T helper, and T suppressor lymphocytes in normal blood samples. Results with the two techniques were closely similar.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 45 (1980), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Protein deficiency is a major nutritional problem in Nigeria. Low Per capita income, adverse environment, and livestock diseases make it difficult to obtain sufficient quantities of high quality protein. Several selected food items common to Southern Nigeria were analyzed for essential ammo acids content. When these food items were grouped into a typical meal pattern for 1 wk, methionine was inadequate in breakfast; however, it was found that the average essential ammo acid intakes per day were adequate. With proper meal combinations and supplementations, it would be possible to improve dietary intakes of essential amino acids in Nigeria by utilizing common foods available and acceptable to the population.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Cambridge : Cambridge University Press
    The @classical review 33 (1983), S. 331-332 
    ISSN: 0009-840X
    Source: Cambridge Journals Digital Archives
    Topics: Classical Studies
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Astronomy and Astrophysics 20 (1982), S. 587-618 
    ISSN: 0066-4146
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Freshwater biology 12 (1982), S. 0 
    ISSN: 1365-2427
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SUMMARY. The drift of chironomid egg masses was investigated in the River Mole (Devon) and the River Wye (Powys) in 1981. Large numbers of egg masses were found in the drift just after dusk; on one occasion an estimated 50,000 egg masses passed a sampling point in 5 h. Oviposition of free-floating egg masses appeared to be initiated and synchronized by the onset of darkness. Egg masses of some Pentaneurini (Tanypodinae), Tanytarsini and Chironomini (Chironominae) were found in the drift and adhering to submerged stones.Flotation by means of a gas vacuole within the egg mass was observed in the Polypedilum ‘convictum’ group. The gas vacuole decreased in size over 8–11 h and the egg masses sank after 2–3h.Some chironomid egg masses are capable of drifting large distances after oviposition. The implications of sueh drift are briefly discussed in relation to the distribution of chironomid larvae.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. The gonadotrophin responses to single and repeated injections of a long-acting synthetic analogue of luteinizing hormone releasing factor (LRF), d-Ser(TBU)6EA10LHRH, were investigated in 10 women with normoprolactinaemic hypogonadotrophic hypogonadism. Abnormal luteinizing hormone (LH) responses were observed in two of the five patients treated with 5μg of the analogue and in all five patients treated with three injections of 10, 20 and 10 uμg administered at intervals of 10-14 h. However, the LH response to repeated injections of the analogue was of similar magnitude and duration to that observed in normal women in response to an oestrogen provocation test in the early-to-mid follicular phase of the cycle. Thus failure of the LH response to oestrogen provocation in women with hypogonadotrophism results from hypothalamic rather than primary pituitary dysfunction. This study confirms the usefulness of this analogue of LRF in the assessment of pituitary secretory function in women with abnormal responses to oestrogen positive feedback.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Cambridge : Cambridge University Press
    The @classical quarterly 32 (1982), S. 304-306 
    ISSN: 0009-8388
    Source: Cambridge Journals Digital Archives
    Topics: Classical Studies
    Notes: At Theaetetus 163d-164b Socrates objects to the thesis that knowledge is perception by pointing out that a man who has seen something can still remember it, and so has knowledge of it; but this is impossible, if knowledge is perception, since he is no longer perceiving it.To this Protagoras is made to reply with two sentences at 166b 1–4:[...] [...].Cornford translates ‘ For instance, do you think you will find anyone to admit that one's present memory of a past impression is an impression of the same character as one had during the original experience, which is now over? It is nothing of the sort’.Cornford understands this as the suggestion that the memory and the original perception are of different things: ‘ All that the objection in fact established was that “ perception” must be stretched to include awareness of memory images’. So too Lee: ‘Protagoras’ “way out”... appears to be to say that what we now know is not properly X but rather (say) our memory trace of X - some present πά θ ο ς (Y) quite distinct from X (or, more exactly, from our earlier perception of X: Protagoras must thoroughly subjectivize the matter) and very different from that (perhaps along Humean lines of vividness and the like)’. (Relevant passages from Hume are given by Campbell in his note ad loc.) McDowel
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Physical Chemistry 32 (1981), S. 433-451 
    ISSN: 0066-426X
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Cambridge : Cambridge University Press
    Religious studies 16 (1980), S. 493-495 
    ISSN: 0034-4125
    Source: Cambridge Journals Digital Archives
    Topics: Theology and Religious Studies
    Type of Medium: Electronic Resource
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