تصفح Academic حسب العنوان
السجلات المعروضة 14506 -- 14525 من 26262
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New insight into the role of PTCH1 protein in serous ovarian carcinomas.
( Spandidos Publications , 2022 , Article)The Hedgehog (Hh) signaling pathway is essential for normal embryonic development, while its hyperactivation in the adult organism is associated with the development of various cancers. The role of the Hh signaling pathway ... -
New insight into the synthesis of large-pore ordered mesoporous materials
( American Chemical Society , 2017 , Article)Ordered mesoporous materials (OMMs) have received increasing interest due to their uniform pore size, high surface area, various compositions and wide applications in energy conversion and storage, biomedicine and environmental ... -
New insights about the introduction of the Portuguese oyster, Crassostrea angulata, into the North East Atlantic from Asia based on a highly polymorphic mitochondrial region
( EDP Sciences , 2016 , Article)It is commonly presumed that the Portuguese oyster Crassostrea angulata was introduced into the North East (NE) Atlantic from Asia. The analysis of the nucleotide sequence of a highly polymorphic non-coding mitochondrial ... -
New insights on estimating pore size distribution of latex particles: Statistical mechanics approach and modeling
( Elsevier B.V. , 2016 , Article)New statistical mechanics approach for pore size distribution applied in wide the relative pressure range is proposed. The new proposed model was applied to nitrogen adsorption-desorption isotherms at 77 K onto five ... -
New inverting modified CUK converter configurations with switched inductor (MCCSI) for high-voltage/low-current renewable applications
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)Inverting Modified CUK Converter with Switched Inductor (MCCSI) configurations are articulated in the paper for high-voltage and low-current renewable energy applications. Based on the Switched Inductor (SI) position in ... -
A new iterative learning control method for PWM inverter current regulation
( IEEE , 2003 , Conference Paper)AC servomotor speed or current controller based on PI control and/or optimal control, can not eliminate the cyclical fluctuations of speed or current when subject to periodic disturbances. PWM inverters output waveforms ... -
New Lights on Mamluk Cartouches and Blazons Displayed in the Museum of Islamic Arts, Doha: An Art Historic Study
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The Mamluk dynasty ruled in Egypt and Syria from the overthrow of the Ayyubid dynasty in 1250 until the Ottoman conquest in 1517. The Mamluk sultanate developed a system of pictorial heraldic blazons and inscribed cartouches ... -
A New Liquid Membrane Electrode For Selective Determination Of Caffeine
( Qatar University , 1984 , Article)A new liquid membrane electrode for caffeine prepared from a solution of caffeine-picrylsulfonate ion-pair complex in n-octanol is developed. It exhibits Nernstian response in the range of 10'2 to lO^M caffeine with a ... -
A New Low Cost Linear Resolver Converter
( IEEE , 2008 , Article)A new low cost converter topology is proposed for sinusoidal position encoders. The converter enables determination of the angle from the sine and cosine signals of the encoder. When used with resolvers, the implementation ... -
New magnetic Schiff's base-chitosan-glyoxal/fly ash/Fe3O4 biocomposite for the removal of anionic azo dye: An optimized process
( Elsevier B.V. , 2020 , Article)In this study, a new magnetic Schiff's base-chitosan-glyoxal/fly ash/Fe3O4 biocomposite (Chi-Gly/FA/Fe3O4) was successfully synthesized by direct compositing of magnetic chitosan (Chi) with fly ash (FA) powder particles, ... -
New markers for the detection of polycystic ovary syndrome
( MedCrave Group , 2019 , Article)Polycystic Ovary Syndrome (PCOS) is a highly prevalent, complex genetic disorder of the endocrine system in women. Alterations that occur in women with PCOS can be due to several predisposing factors; among these contributors ... -
New material of polyacrylic acid-modified graphene oxide composite for phenol remediation from synthetic and real wastewater
( Elsevier , 2022 , Article)In this study, new material of polyacrylic acid-modified graphene oxide (GO-PAA) composite for phenol remediation from synthetic and real wastewater was investigated. The graphene oxide (GO) and GO-PAA were physically and ... -
A new method for broad-scale modeling and projection of plant assemblages under climatic, biotic, and environmental cofiltering.
( Wiley , 2021 , Article)There is increasing interest in broad-scale analysis, modeling, and prediction of the distribution and composition of plant species assemblages under climatic, environmental, and biotic filtering, particularly for conservation ... -
A new method for synthesizing test accuracy data outperformed the bivariate method
( Elsevier , 2020 , Article)This paper outlines the development of a new method (split component synthesis; SCS) for meta-analysis of diagnostic accuracy studies and assesses its performance against the commonly used bivariate random effects model. ... -
New model for estimating geometric tortuosity of variably saturated porous media using 3D synchrotron microcomputed tomography imaging
( John Wiley and Sons Inc , 2021 , Article)Tortuosity has a significantimpact on flow and transport characteristics of porous media and plays a major role in many applications such as enhanced oil recovery, contaminant transport in aquifers, and fuel cells. Most ... -
A New Modified Kumaraswamy Distribution: Actuarial Measures and Applications
( Hindawi , 2022 , Article)In this paper, a new modified Kumaraswamy distribution is proposed, and some of its basic properties are presented, such as the mathematical expressions for the moments, probability weighted moments, order statistics, ... -
New Multiple-kink solutions and singular-kink-solutions of (2 + 1) - Dimensional coupled burgers system with time variable coefficients
( American Scientific Publishers , 2017 , Article)In this paper, we show that the (2+1)-dimensional coupled Burgers system with time variable coefficients which arise in engineering, chemistry, chemical physics, plasma physics, complex physics and phenomena gives multiple ... -
A New Non-Isolated High-Gain Single-Switch DC–DC Converter Topology with a Continuous Input Current
( MDPI , 2022 , Article)An ultra-high step-up, non-isolated DC–DC converter with a continuous input current was developed as a result of this research. This converter’s architecture consists of a voltage multiplier cell (VMC), a positive output ... -
New nonlinear estimators of the gravity equation
( Elsevier , 2020 , Article)The gravity model of international trade is often applied by economists to explain bilateral trade between countries. Nevertheless, some estimation practices have been subject to criticism, namely how zero trade values and ... -
A new normalized Deadbeat control for grid connected distributed generation systems
( IEEE , 2013 , Conference Paper)This paper proposes a newly designed Real Time Digital Feedback Controller for a grid connected PV system. A multilevel Flying Capacitors Inverter (FCI) along with inductor and step-up transformer is used as an interface ...
