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السجلات المعروضة 4786 -- 4805 من 48862
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Chemical kinetics of carbon dioxide in the blends of different amino acid salts and methyldiethanolamine
( John Wiley and Sons Ltd , 2020 , Article)In the present study, the reaction kinetics of carbon dioxide (CO2) with two blends of N-methyldiethanolamine; potassium salts of taurine and potassium salts of glycine were investigated. The experiments were performed ... -
Chemical modification of graphene with grape seed extract: Its structural, optical and antimicrobial properties
( Elsevier Ltd , 2019 , Article)Herein, we modified for the first time thermally reduced graphene oxide (TRG) using grape seed extract (GSE), by simple probe sonication method. The effect of GSE on the structural changes of TRG has been carefully analyzed ... -
Chemical properties of garnet nanofluids
( Elsevier Ltd , 2020 , Conference Paper)A lubricant is a substance introduced to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move. The lubricating property of lubricating oils is increased by ... -
Chemical stabilization of baiji sand dunes in iraq 1. Effect of some soil stabilizers on the infiltration rate of sand
( Qatar University , 1995 , Article)In this study, the effect of soil chemical stabilizers including polyvinyl alcohol 125,000 (PVA) (0.2% and 0.4%); ferquatac resin emulsion RB-50 (F.E.) (0.14, 0.18, 0.2 and 0.4 lm'2); bitumen emulsion Al-55 (B.E.) (0.3, ... -
Chemical survey of some plants Growing in Qatar
(1989 , Other)Fifty one plants growing in Qatar, belonging to thirty families, were surveyed for alkaloids, anthraquinones, coumarins, flavonoids, tannins and saponins. The medicinal uses of these plants arereported. -
Chemical Treatment and Characterization of Qatalum’s 1st Cut Spent Spot Lining (SPL)
(2015 , Master Thesis)Spent pot lining (SPL) waste is produced in thousands of tons annually from the aluminium production factories including Qatar Aluminum Company, Qatalum. SPL is classified into first and second cut; the first cut is mainly ... -
Chemical, physical, and morphological characteristics of nanomaterials for CO2 capture and conversion
( Elsevier , 2022 , Book chapter)The major cause of global warming and ocean acidification are due to the anthropogenic emissions of CO2 from industrial development. Till date, various mitigation strategies had been proposed for CO2 capture from different ... -
Chemically modified mRNA beyond COVID-19: Potential preventive and therapeutic applications for targeting chronic diseases
( Elsevier , 2022 , Article Review)Chemically modified mRNA represents a unique, efficient, and straightforward approach to produce a class of biopharmaceutical agents. It has been already approved as a vaccination-based method for targeting SARS-CoV-2 ... -
Chemically synthesized carbon nanorods with dual polarized emission
( American Chemical Society , 2019 , Article)We realized the synthesis of carbon nanorods—monodisperse colloidal particles with a length of 50 nm and a width of 20 nm—which can be considered an addition to the family of light-emitting carbon-based nanostructures. ... -
Chemicals & Materials for Emerging Technologies (CheMET) 2020 - Day 1
( Qatar University , 2020 , Video) -
Chemicals & Materials for Emerging Technologies (CheMET) 2020 - Day 2
( Qatar University , 2020 , Video) -
Chemicals & Materials for Emerging Technologies (CheMET) 2020 - Day 3
( Qatar University , 2020 , Video) -
Chemistry and antioxidant properties of titanium(IV) complexes
( Kluwer Academic Publishers , 2015 , Article)The synthesis of titanium(IV) complexes with biologically active hydrazide ligands has been carried out. The complexes were characterized by spectroscopic methods (IR, <sup>1</sup>H NMR and <sup>13</sup>C NMR), elemental ... -
Chemistry Club Opening Ceremony and Award Ceremony
( جامعة قطر , 2014 , Image) -
Chemistry, alpha-glucosidase and radical scavenging properties of uranyl(VI) hydrazide complexes
( Bentham Science Publishers , 2019 , Article)Background: Antioxidant, anti-inflammatory, antiviral and antitumoral activities among others are essential characteristics in the development of novel therapeutic compounds. Acid hydrazides can form complexation with ... -
Chemokine-cytokine networks in the head and neck tumor microenvironment
( MDPI , 2021 , Article Review)Head and neck squamous cell carcinomas (HNSCCs) are aggressive diseases with a dismal patient prognosis. Despite significant advances in treatment modalities, the five-year survival rate in patients with HNSCC has improved ... -
Child dental neglect and legal protections: a compendium of briefs from policy reviews in 26 countries and a special administrative region of China
( Frontiers Media SA , 2023 , Article)Background: Child neglect is a public health, human rights, and social problem, with potentially devastating and costly consequences. The aim of this study was to: (1) summarize the oral health profile of children across ...
