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السجلات المعروضة 6171 -- 6190 من 26317
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Developments and modifications in passive solar still: A review
( Desalination Publications , 2019 , Article)Due to the increment in pollution as well as global warming, the scarcity of potable water is increasing day by day. There are several ways to obtain pure water, but solar desalination with use of solar still is the cheapest ... -
Developments in the application of nanomaterials for water treatment and their impact on the environment
( MDPI AG , 2020 , Article)Nanotechnology is an uppermost priority area of research in several nations presently because of its enormous capability and financial impact. One of the most promising environmental utilizations of nanotechnology has been ... -
Device interface for people with mobility impairment
( IEEE , 2013 , Conference Paper)This paper presents a modified design of an electronically controlled wheelchair that integrates a general-purpose controlling system attached with the main actuators to provide mobility as well as additional control of ... -
Dexamethasone and transdehydroandrosterone significantly reduce pulmonary epithelial cell injuries associated with mechanical ventilation.
( American Physiological Society , 2021 , Article)Many patients who suffer from pulmonary diseases cannot inflate their lungs normally, as they need mechanical ventilation (MV) to assist them. The stress associated with MV can damage the delicate epithelium in small airways ... -
Dexamethasone induces the expression and function of tryptophan-2-3-dioxygenase in sk-mel-28 melanoma cells
( MDPI , 2021 , Article)Tryptophan-2,3-dioxygenase (TDO) is one of the key tryptophan-catabolizing enzymes with immunoregulatory properties in cancer. Contrary to expectation, clinical trials showed that inhibitors of the ubiquitously expressed ... -
Dexamethasone Promotes a Stem-Like Phenotype in Human Melanoma Cells via Tryptophan 2,3 Dioxygenase
( Frontiers Media , 2022 , Article)In addition to its well-established immunosuppressive actions, tryptophan 2,3-dioxygenase (TDO) appears to elicit direct effects on tumor cell function. Although TDO has been associated with cancer stemness, its involvement ... -
DFT investigation of H2S adsorption on graphenenanosheets and nanoribbons: Comparative study
( Elsevier , 2020 , Article)Graphenenanosheet (GNS), armchair graphenenanoribbon (AGNR), and zigzag graphenenanoribbon (ZGNR) systems were investigated by first principle calculations using the density functional theory (DFT). The DFT calculations ... -
DFT investigation of H2S and SO2 adsorption on Zn modified MoSe2
( Elsevier , 2022 , Article)Development of decidedly sensitive and selective gas sensors is desirable to maintain control of environment quality against hazardous pollutant. The adsorption of H2S and SO2 molecules on pristine and Zn doped MoSe2 ... -
DFT-Based Multi-Directions Directional Modulation
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)In this letter, a physically secure multi-directions directional modulation scheme is proposed. The scheme provides an adaptive beam-width assignment, where each user is granted a different beam width based on its channel ... -
DFT-MD dissolution of oilfield pyrite scale using borax
( Qatar University Press , 2020 , Poster)Introduction: Oilfield scales including pyrite form in oil and gas pipelines, underground tubing, and surface equipment thus blocking the flow of fluids and hindering production. Hence, the need for the development of ... -
Diabetes care in Qatar: a survey of pharmacists’ activities, attitudes and knowledge
( Springer Netherlands , 2018 , Article)Background Diabetes mellitus is recognized as a major public health issue and is one of the top ten causes of death in Qatar. Objective To describe the activities, and attitudes of Qatar pharmacists toward diabetes, to ... -
Diabetes patient management by pharmacists during Ramadan
( BioMed Central Ltd. , 2014 , Article)Many Muslim diabetes patients choose to participate in Ramadan despite medical advice to the contrary. This study aims to describe Qatar pharmacists' practice, knowledge, and attitudes towards guiding diabetes medication ... -
Diabetes Self-Management and Health-Related Quality of Life among Primary Care Patients with Diabetes in Qatar: A Cross-Sectional Study
( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)Diabetes self-management (DSM) practices are an important determinant of health-related outcomes, including health-related quality of life (HRQOL). The purpose of this study is to explore DSM practices and their relationship ... -
Diabetes Self-Management Education and Support: Referral and Attendance at a Patient-Centered Medical Home
( SAGE Publications Inc. , 2020 , Article)Background: Although evidence shows that diabetes self-management education and support (DSMES) is an effective tool to help individuals with type 2 diabetes (T2DM) improve their health outcomes, there remains a large ... -
Diabetes Treatment Satisfaction Questionnaire – An Arabic adaptation for Qatar
( Elsevier , 2013 , Article)The Diabetes Treatment Satisfaction Questionnaire is recommended by the World Health Organization and the International Diabetes Federation for assessing diabetes care. We conducted a systematic linguistic adaptation of ... -
Diabetes-induced peripheral neuropathy: Is prescribing physical exercise the answer?
( Association of Basic Medical Sciences of Federation of Bosnia and Herzegovina , 2024 , Other)Diabetes mellitus, a chronic metabolic disorder characterized by hyperglycemia, has become a global health concern with an increasing prevalence worldwide. The International Diabetes Federation (IDF) estimates that over ... -
Diabetic Reinopathy Classification using Deep Learning
(2020 , Master Thesis)With diabetes growing at an alarming rate, changes in the retina of diabetic patients causes a condition called diabetic retinopathy which eventually leads to blindness. Early detection of diabetic retinopathy is the best ... -
Diabetic Sensorimotor Polyneuropathy Severity Classification Using Adaptive Neuro Fuzzy Inference System
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Diabetic sensorimotor polyneuropathy (DSPN) is an early indicator for non-healing diabetic wounds and diabetic foot ulcers, which account for one of the most common complications of diabetes, leading to increased healthcare ... -
Diagenesis of the middle eocene "nummulite bank" of The giza pyramids plateau, Egypt: petrologic and 18o/16o evidence
( Qatar University , 1994 , Article)The Middle Eocene "nummulite bank" of the Giza Pyramids Plateau has been extensively altered diagenetically. The result of a study involving petrography, cathodoluminescence, and 18O/160 and 13C/12C data, provide information ... -
Diagenetic Trends In The Pleistocene Calcareous Ridges, Mersa Matruh Area, Egypt
( Qatar University , 1993 , Article)Ooids are a major constituent of the Pleistocene carbonates along the northwestern coastal ridges of Egypt. For a detailed diagenetic study of the rocks, the Mersa Matruh area was selected. Petrographic examination shows ...
