Browsing University Publications by Title
Now showing items 405-424 of 4419
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Constituents Of Centaurea Species
( Qatar University , 1992 , Article)A comprehensive review of Centaurea species including all the isolated consituents is given. The biological activities of the studied species are also reported. -
Constituents Of Cymbopogon Species
( Qatar University , 1986 , Article)A comprehensive review of the Cymbopogon species including the essential oils and their constituents is given. An account of the other components viz. non volatile terpenoids and phenolic compounds is also given. The ... -
Constituents Of Green Beans Phaseolus Vulgaris (Lipids And Flavonoids)
( Qatar University , 1992 , Article)Chemical study of the lipid fraction resulted in the isolation and identification of a hydrocarbon fraction (n-Czg -0-033); an aliphatic alcohol fraction (C^, Czp, €30) and a sterol fraction (stigmasterol and sitosterol). ... -
Constituents of plants growing in qatar part xxvii: flavonoids Of cymbopogon parkeri
( Qatar University , 1995 , Article)The study of the flavonoids of Cymbopogon parkeri resulted the isolation and indentification of tricin and isoorientin. Three other flavonoids have been isolated and partially identified. -
Constituents of plants growing in qatar x.* seasonal variations of the volatile oil of cymbopogon parkeri
( Qatar University , 1985 , Article)The seasonal variation of the volatile oil of Cymbopogon parkeri Stapf. was studied. The oil content is higher during the hot dry season than during the humid hot season and the cold season. No qualitative differences among ... -
Constituents of plants growing in qatar xxiii. Flavonoids of francoeuria crispa
( Qatar University , 1993 , Article)Investigation of the flavonoid constituents of Francoeuria crispa, resulted in the isolation and identification of four flavonoids: quercetin, qucrcetin-3-O-gIucoside, quercetin-7-0-glucoside and quercetin-3-methyl ether. -
Constituents of plants growing in Qatar xxiv phytochemical investigation of salvia aegyptiaca L.
( Qatar University , 1994 , Article)The study of the flavonoids revealed the isolation and identification of luteolin, luteolin 7-O- glucoside, apigenin and apigenin 7-0 glucoside; their identity was proved by m.p., TLC, UV, IR and MS. Moreover, a coumarin ... -
Constituents of plants growing in qatar xxv flavonoids of Picris Radicata (forssk.) Less.
( Qatar University , 1994 , Article)Four flavonoids were isolated from the plant and were identified as apigenin, chrysin 7-glucoside, leuteoline and luteolin 7-glucoside. -
Constituents of plants growing in Qatar: part xxviii. Constituents Of cistanche phelypaea
( Qatar University , 1995 , Article)Ten compounds were isolated from the methanolic extract of the aerial parts of Cistanche phelypaea (Orobanchaceae) and identified as echinacoside (1), tubuloside A (2), tubuloside E (3), acteoside (4), 2'-acetylacteoside ... -
Constitution-making in the 21st century
( Bloomsbury Qatar Foundation Journals , 2012 , Article)Constitutions have been made or changed in major ways in more than half the countries of the world in recent decades. This article deals with contemporary approaches to constitution-making, organising the analysis around ... -
Constitutional rights to supervised drug injection facilities in Canada
( Bloomsbury Qatar Foundation Journals , 2013 , Article)On September 30, 2011, the Supreme Court of Canada ordered the government of Canada to continue to exempt Vancouver's supervised narcotic injection facility from Canada's criminal drug laws. The controversial clinic, known ... -
Construct Validity in Psychology and Educational Measurement
( Qatar University , 1992 , Article) -
Constructability and Economical Comparison Between Two Proposed Permanent Shoring Systems in Qatar: A Case Study
( Qatar Univesrity Press , 2020 , Conference Paper)This paper introduces the constructability and economic feasibility study of using one of the proposed two types of permanent shoring system for a highway project in Qatar. The cast-in-situ cantilever retaining wall and ... -
Construction mediation as a developmental process
( Bloomsbury Qatar Foundation Journals , 2013 , Article)This paper seeks to argue that mediation has been hitherto conceived in the construction industry, and indeed by practitioners in other related disciplines such as property management, as largely a “problem-solving” ... -
Construction of Modified CuO-Co3O4-ZnO Electrode for Acetone Detection in Breath
( Qatar University Press , 2020 , Poster)Acetone in breath can be used as a biomarker for noninvasive detection of diabetes. The acetone level in breath is substantially high for diabetic patients. In this study, mixed metal oxide nanocomposite of CuO-Co3O4 -ZnO ... -
Construction Simulation Using Virtual Reality
( Qatar University , 1996 , Article)Two main simulation methodologies namely, the network-based simulation and the graphical simulation technique are being used in the construction industry. While the network-based simulation technique, which was originally ... -
Consumer Behavior in Grocery Shopping: Qatari Community during the GCC Blockade
( Qatar University Press , 2020 , Poster)While Qatar had the highest GDP in the world in 2016, it faced the dilemma of a blockade in June 2017. This had a direct effect on the Qatari community who united and showed clear signs of patriotism. Consumers turned from ... -
The Contagion "Disease" that affects Foreign direct investment In the MENA countries
( Qatar University , 2007 , Article)This paper aims to analyze the dynamic relationship between foreign direct investmer and different kinds of risks in the MENA countries, using the vector autoregressive tec\ on the country level for 11 MENA countries during ... -
Content Validation of an Algorithm for the Assessment, Management and Monitoring of Drug-Induced QTc Prolongation in the Psychiatric Population
( Qatar University Press , 2021 , Poster)Background: QTc interval prolongation leads to serious complications, making it a concern for clinicians. Assessing the risk of QTc interval prolongation in the psychiatric population is important, as they are exposed to ... -
Continued Fractions Evaluation And Their Applications To Some Probability Distribution Functions
( Qatar University , 1995 , Article)This paper discusses some continued fractions in obtaining rational approximations to functions, emphasising those which are important in statistical applications. It will be shown that continued fractions are valuable ...