تصفح حسب العنوان
السجلات المعروضة 4267 -- 4286 من 53319
-
Bordetella pertussis risA, but not risS, is required for maximal expression of Bvg-repressed genes
( American Society for Microbiology , 2005 , Article)Expression of virulence determinants by Bordetella pertussis, the primary etiological agent of whooping cough, is regulated by the BvgAS two-component regulatory system. The role of a second two-component regulatory system, ... -
Born small, die young: Intrinsic, size-selective mortality in marine larval fish
( Nature Publishing Group , 2015 , Article)Mortality during the early stages is a major cause of the natural variations in the size and recruitment strength of marine fish populations. In this study, the relation between the size-at-hatch and early survival was ... -
Boron removal from saline water by a microbial desalination cell integrated with donnan dialysis
( Elsevier , 2015 , Article)Boron has toxic effects on plant growth and thus its removal is necessary from desalinated saline water for irrigation application. Microbial desalination cells (MDCs) are a new approach for effective desalination but boron ... -
Borrowed words in Qatari Arabic: A case study of knowledge of meaning and knowledge of origin by Qataris
( University of Akron , 2017 , Article)Linguistic borrowing is a common, universal and intensively studied phenomenon. It is of interest to investigate this practice and its patterns in Qatari Arabic and to know to what extent the Qataris know the meaning and ... -
Borrowed Words In Qatari Dialect: A Case Study
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)According to Graddol (2004) "The world's language system is undergoing rapid change because of demographic trends, new technology, and international communication. These changes will affect both written and spoken ... -
Bosnian Journal of Basic Medical Sciences becomes Biomolecules and Biomedicine
( National Library of Medicine , 2023 , Other)The Bosnian Journal of Basic Medical Sciences (BJBMS) was founded in 1998 in Sarajevo, Bosnia and Herzegovina, by Professor Muzafer Mujić, Professor of Physiology at the Faculty of Medicine, University of Sarajevo. Most ... -
Botanical Exploration Of Sinai
( Qatar University , 1985 , Article)The history of the botanical exploration of Sinai has been reviewed. It has been divided into the following periods: I. Expeditions in the eighteenth century. II. Exploration from 1800 till the publication of "Florula ... -
Both Short and Long Sleep Durations Are Associated with Poor Cognition and Memory in Chinese Adults Aged 55+ Years-Results from China Health and Nutrition Survey.
( MDPI , 2022 , Article)We aimed to examine the associations between sleep duration and cognitive functions and memory in older Chinese adults attending the China Health and Nutrition Survey. A total of 7924 participants 55 years and older who ... -
Bottom-up rather than top-down: evidence from Middle Eastern and North African educational institutions
( Emerald , 2020 , Article)Purpose: Educational institutions in the Middle East and North Africa (MENA) are striving for better resource management and finance. The bottom-up budgeting approach plays an important role in motivating executives' ... -
Boundary linear-quadratic control for a system of coupled parabolic-hyperbolic PDEs and ODE
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)The paper deals with the design of a boundary optimal controller for a general model of parabolic-hyperbolic PDEs coupled with an ODE. The augmented infinite-dimensional state space representation has been used in order ... -
Boundary optimal (LQ) control of coupled hyperbolic PDEs and ODEs
( Elsevier , 2013 , Article)This contribution addresses the development of a linear quadratic (LQ) regulator for a set of hyperbolic PDEs coupled with a set of ODEs through the boundary. The approach is based on an infinite-dimensional Hilbert ... -
Boundary optimal control design for a system of parabolic-hyperbolic PDEs coupled with an ODE
( Taylor and Francis Ltd. , 2020 , Article)This paper deals with the design of a boundary optimal controller for a general model of parabolic-hyperbolic PDEs coupled with an ODE. The augmented infinite-dimensional state-space representation has been used in order ... -
Boundary optimal control of coupled parabolic PDE-ODE systems
( IFAC Secretariat , 2014 , Conference Paper)This paper deals with boundary optimal control problem for coupled parabolic PDEODE systems. The problem is studied using infinite-dimensional state space representation of the coupled PDE-ODE system. Linearization of the ... -
Boundary Output-Feedback Regulation of a Catalytic Cracking Reactor
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Conference Paper)This work focuses on the design of a boundary output feedback regulator for a catalytic cracking reactor model which can be represented by a set of partial differential equations (PDEs). Based on the linear abstract ... -
Boundedness of rough integral operators on triebel-lizorkin spaces
( Universitat Autonoma de Barcelona, Seccio de Matematiques , 2012 , Article)We prove the boundedness of several classes of rough integral operators on Triebel-Lizorkin spaces. Our results represent improvements as well as natural extensions of many previously known results. -
ِA bout Special Needs Services English 2011.wmv
( Qatar University , 2011 , Video) -
Bovine reticulum derived extracellular matrix (b-REM) for reconstruction of full thickness skin wounds in rats
( Elsevier GmbH , 2016 , Article)Thirty six clinically healthy adult Wistar rats of either sex were used in the study and randomly divided into three groups having twelve animals in each group. Under general anesthesia, a full-thickness skin wound (20 ? ... -
Bowel Dilatation on Initial Plane Abdominal Radiography May Help to Assess the Severity of Necrotizing Enterocolitis in Preterm Infants.
( MDPI , 2020 , Article)Necrotizing enterocolitis (NEC) is the most common life-threatening gastrointestinal emergency associated with prematurity. Timely diagnosis and adequate treatment are crucial to reduce the morbidity and mortality of the ...