Журнал Science по названию
Отображаемые элементы 1-20 из 43880
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(American Association for the Advancement of Science, 1996-5-10)
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(American Association for the Advancement of Science, 1900-05-11)
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(American Association for the Advancement of Science, 1900-07-20)
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(American Association for the Advancement of Science, 1961-09-08)10-Methoxyharmalan, an alkaloid obtained by the cyclodehydration of melatonin, itself a derivative of serotonin, is a more potent serotonin antagonist than harmaline and is only slightly less active than lysergic acid ...
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(American Association for the Advancement of Science, 1944-09-15)
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(American Association for the Advancement of Science, 1983-2-18)[123I]Insulin was injected intravenously into rats and the distribution and kinetics of radioactivity were analyzed by external detection with a scintillation camera connected to a computer. When injected alone, [123I]insulin ...
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(American Association for the Advancement of Science, 1984-6-29)The hormonal form of vitamin D3, 1,25-dihydroxyvitamin D3 [1,25(OH)2D3], at picomolar concentrations, inhibited the growth-promoting lymphokine interleukin-2, which is produced by human T lymphocytes activated in vitro by ...
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(American Association for the Advancement of Science, 1961-11-17)
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(American Association for the Advancement of Science, 1961-11-03)
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(American Association for the Advancement of Science, 1962-12-07)
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(American Association for the Advancement of Science, 1965-12-03)
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(American Association for the Advancement of Science, 1966-12-09)Section P's symposium, "The Application of Operations Research to Governmental Problems;" the luncheon and vice presidential address; and the symposium "Operations Re! search in Branches of the Government," will all be ...
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(American Association for the Advancement of Science, 1977-2-4)Transitional cell and squamous cell cancer of the bladder was induced in Wistar/Lewis female rats by direct instillation of N-methyl-N-nitrosourea into the bladder. Feeding of the synthetic retinoid, 13-cis-retinoid acid, ...
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(American Association for the Advancement of Science, 1982-01-15)
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(American Association for the Advancement of Science, 1963-10-25)This exceptionally reactive compound 1,4-benzoquinone tetracarboxylic acid dianhydride is one of the strongest vr-acids yet described.
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(American Association for the Advancement of Science, 1960-04-15)
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(American Association for the Advancement of Science, 1960-07-22)
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(American Association for the Advancement of Science, 1970-01-30)The δ 18O of minerals from lunar gabbros and basalts are: plgioclases +6.06 to +6.33), pyroxenes (+5.70 to +5.95), and ilmenites (+3.85 to +4.12). The uniformity of these results indicates isotopic equilibrium in the mineral ...
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(American Association for the Advancement of Science, 1995-12-15)
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(American Association for the Advancement of Science, 1958-04-18)
Отображаемые элементы 1-20 из 43880