Browsing by Title
Now showing items 15137-15156 of 50233
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Liquid and poly (vinyl chloride) matrix membrane electrodes for the selective determination of cocaine in illicit powders
( Elsevier , 1992 , Article)The construction of liquid membrane and PVC matrix-type cocainium ion selective electrodes and their use for direct potentiometry and potentiometric titration of cocaine are described. The ion-pair complexes of cocaine ... -
Liquid biopsy: a step closer to transform diagnosis, prognosis and future of cancer treatments
( BMC , 2022 , Article Review)Over the past decade, invasive techniques for diagnosing and monitoring cancers are slowly being replaced by non-invasive methods such as liquid biopsy. Liquid biopsies have drastically revolutionized the field of clinical ... -
Liquid chromatographic separation of the enantiomers of racemic A aminophosphonates as their n-3, 5-dinitrobenzoyl derivatives On chiral fluorocarbinol stationary phases
( Qatar University , 1994 , Article)The enantiomers of a wide variety of a-aminoaryl (or alkyl) phosphonate esters are separated by liquid chromatography as their N-3,5-dinitrobenzoyl derivatives on three chiral fluorocarbinol stationary phases. In addition ... -
LIQUID CITIES, a city designed by citizens
( Qatar Univesrity Press , 2021 , Conference Paper)Rezone wants to make the concept of the city more liquid.. A city where things can change, a flexible city that adapts to the desires of its inhabitants. A city designed by professionals, but also by its citizens. A city ... -
Liquid Density Of Pure And Multicomponent Fluids By Scaled-Variable-Reduced-Coordinate (Svrc) Method
( Qatar University , 1995 , Article)The Scaled-Variable-Rcduced-Coordinatc (SVRC) method with a proposed set of mixing rules are applied to calculate the liquid density of several system of liquid mixture and satisfactory results are obtained. The ability ... -
Liquid exfoliated MoS2 sheet coupled with conductive polyaniline for gas sensor
( Qatar University Press , 2021 , Poster)Polyaniline (PANI)/MoS2 composites with porous microspheres were prepared by a hydrothermal and in situ polymerization method. The structural, optical, and morphological properties were characterized by X-ray powder ... -
Liquid membrane electrodes for the selective determination of nicotine in cigarette smoke
( The Royal Society of Chemistry , 1989 , Article)Five liquid membrane electrode systems responsive to the nicotinium cation are described. These electrodes are based on the use of the ion-association complexes of the nicotinium cation with tetraphenylborate, 5-nitrobarbiturate, ... -
Liraglutide treatment improves the coronary microcirculation in insulin resistant Zucker obese rats on a high salt diet.
( BMC , 2020 , Article)Obesity, hypertension and prediabetes contribute greatly to coronary artery disease, heart failure and vascular events, and are the leading cause of mortality and morbidity in developed societies. Salt sensitivity exacerbates ... -
A List of Marine Algae from Seashores of Iran (Hormozgan Province)
( Qatar University , 1999 , Article)Seashores of Hromzgan province in south of Iran were studied for collection and recogna-tion of algal flora (1991-1996). 150 species of marine algae were recognized, including 36 Chlorophyta (16 new). 33 Phaeophyta (15 ... -
Listening Comprehension as a Complex Skill and the Sub-Skills Involved in the Process of Speech Perception
( Qatar University , 2001 , Article)The skill of listening comprehension (LC) has been studied and discussed by many scholars, who have made it quite clear that it is one of the most influential and important skills that we depend on in learning and ... -
Listening to music during warming-up counteracts the negative effects of ramadan observance on short-term maximal performance
( Public Library of Science , 2015 , Article)Aim: The aim of the present study was to examine whether listening to music during warming-up might influence short-term maximal performance (STMP), cognitive anxiety, self-confidence, and enjoyment during Ramadan, and ... -
Literature as a Pedagogical Tool in Medical Education: The Silent Patient Case
( Multidisciplinary Digital Publishing Institute (MDPI) , 2021 , Article)The arts have seen increasing use in medical education over the last 4 decades. Literature in particular is now frequently used as an educational tool in different medical humanities programmes. This paper analyses Alex ... -
Literature Review of Advancements in Adaptive Ramp Metering
( Elsevier , 2016 , Conference Paper)Over a period spanning more than 30 years, several ramp metering algorithms have been developed to improve the operation of freeways. Many of these algorithms were deployed in several regions of the world, and field ... -
A literature review of the strategic decision-making context: A synthesis of previous mixed findings and an agenda for the way forward
( AIMS , 2020 , Article)The aim of this article is to conduct a comprehensive literature review concerning the influence of contextual factors on strategic decision processes. Our literature review organizes the existing literature on contextual ... -
Lithium capture in seawater reverse osmosis (SWRO) brine using membrane-based capacitive deionization (MCDI) system
( Qatar University Press , 2021 , Poster)Lithium-battery based industries including vehicles, electronics, fusion and thermonuclear, consume lithium rapidly, which raises the need for developing a lithium recovery system. Lithium global market consumption in 2016 ... -
Lithium loaded coal fly ash as sustainable and effective catalyst for the synthesis of glycerol carbonate from glycerol
( Elsevier Ltd , 2021 , Article)Coal fly ash (CFA) has been employed as a catalytic support for lithium ions by impregnation. The basicity, basic strength, and stability of the resultant catalyst were further tuned by varying active species concentration ... -
LITHIUM RECOVERY FROM LIQUID SOURCES USING A SPENT LI-ION BATTERY (SLIB) MATERIALS-BASED MEMBRANE CAPACITIVE DEIONIZATION (MCDI)
(2024 , Master Thesis)The increasing demand for lithium (Li) as a crucial raw material in various industries requires efficient recovery methods and a circular economy approach. This study investigates a fast, environmentally friendly technique ... -
Litho-structural mapping and structural evolution of the Bocaranga pluton, northwest Adamawa-Yadé domain, Central African Republic
( Elsevier , 2023 , Article)The Bocaranga pluton, in the northern domain of the Central African Orogenic Belt (CAOB) in the Central African Republic (CAR), is located in the Adamawa-Yadé domain, near the Mbéré Shear Zone (MBSZ). This study provides ... -
Lithofacies and depositional environments Of the lower jurassic sediments In central Saudi Arabia
( Qatar University , 1999 , Article)The lithofacies, microfacies and sedimentary environments of the surface Lower. Jurassic sediments in central Saudi Arabia are studied. The Lower Jurassic is represented by the marine clastic Marrat Frormation which is ...
