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السجلات المعروضة 2101 -- 2110 من 2119
Kinetic Determination of Morphine in Illicit Powders, Using a Fluoride Selective Electrode, Based on Reaction with 1-Fluoro-2,4-dinitrobenzene
(
Springer New York
, 1996 , Article)
A simple, accurate and selective method is described for the determination of morphine in illicit powders, based on monitoring the initial rate of fluoride ion liberation from the reaction of morphine with 1-fluoro-2,4-d ...
Constituents of plants growing in Qatar IX. The antispasmodic components of cymbopogon parkeri stapf. Parkeri stapf
(
Taylor & Francis
, 1986 , Article)
Investigation of the lipid fraction of Cymbopogon parkeri revealed the presence of several active constituents, one of which possesses an antispasmodic activity and was identified as cryptomeridiol. Study of the other ...
Iridoids and flavonoids of Teucrium polium herb
(
Thieme
, 1986 , Article)
The iridoid glycoside teucardoside and the flavonoids salvigenin and cirsiliol have been isolated from Teucrium polium var. pilosum and T. polium var. alba. The medicinal significance of these findings is discussed.
Constituents of plants growing in Qatar XVII anti-inflammatory and cytotoxic activities of extracts of thirty indigenous species
(
Taylor & Francis
, 1990 , Article)
Thirty plants, indigenous to Qatar, were extracted separately with hexane, chloroform and ethanol. The dried extracts were examined for potential anti-inflammatory activities both in vitro by their ability to inhibit ...
Constituents of plant growing in Qatar. II. Investigation of Euphorbia granulata
(1982 , Article)
N/A.
Constituents of plants growing in Qatar
(
Elsevier
, 1986 , Article)
N/A.
Inhibition of the acid corrosion of iron with haloacetic acids
(
Scientific Publishers of India
, 1997 , Article)
The efficiency of chloro, dichloro, trichloro, bromo, and iodoacetic acids as inhibitors for acid corrosion of iron was studied using polarization technique. A significant retardation of the corrosion rate is observed in ...
Inhibitory effect of sodium nitrite on corrosion of lead in 0.1 M sodium hydroxide solution
(
Council of Scientific and Industrial Research
, 1988 , Article)
The effect of NaNO2 as an inhibitor for corrosion of lead in 0.1 M NaOH solution has been investigated at different temperatures using the Tafel plot technique. The concentrations of NaNO2 employed are in the range 1-5×10-5. ...
Polarization resistance study of inhibition of corrosion of lead by sodium benzoate in 0.1 M sodium hydroxide solution
(
Council of Scientific and Industrial Research
, 1989 , Article)
The effect of sodium benzoate (SB) as an inhibitor of corrosion of lead in 0.1 M NaOH solution has been investigated by using the polarization resistance technique. The concentrations of SB employed are in the range 1-5 × ...