Faculty Contributions: المرسلات الحديثة
السجلات المعروضة 1481 -- 1500 من 20281
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Electronic, infrared, and Raman spectral studies of the reaction of iodine with 4-aminopyridine
( Elsevier , 2005 , Article)The reaction of iodine as an electron acceptor with the base 4-aminopyridine (4APY) has been investigated spectrophotometrically in chloroform at room temperature. The electronic absorptions, infrared and Raman spectra, ... -
Spectroscopic studies on the uranyl-schiff base solid complex (N,N'-p-phenylenebis(salicylideneiminato)UO2)
( Elsevier , 1992 , Article)The dioxouranium(VI)-Schiff base complex (N,N'-p-phenylenebis(salicylideneiminato)UO2); (UO2(sal-p-phdn)) was prepared. Its resonance Raman, infrared and electronic spectra were obtained and assigned on the basis of C2v ... -
Vibrational analysis of the (VO(O2)2NH3)- ion
( Elsevier , 1990 , Article)The infrared spectra of the solid complex NH4 (VO(O2)2NH3) were obtained. Due to the complicated structure of the diperoxo (VO(O2)2NH3)− ion, normal coordinate analysis was introduced in order to make quantitative assignments ... -
Electronic spectral studies and solvent effects on the reaction of iodine with 1,4,8,11-tetraazacyclotetradecane
( Elsevier , 1988 , Article)The reaction between iodine and 1,4,8,11-tetraazacyclotetradecane (TACTD) is studied photometrically in various solvents like CCl4, CHCl3, CH2Cl2 and 1,2-dichloroethane. The results reveal that in each solvent the (TACTD):I2 ... -
Synthesis and Spectroscopic Studies of the Charge‐Transfer Complexes of 2,3‐Diaminopyridine and π‐Electron Acceptors
( Taylor and Francis Ltd. , 2004 , Article)The spectrophotometric properties of the charge transfer (CT)‐complexes formed between 2,3‐diaminopyridine (DAPY) and π‐acceptors tetrachloro‐p‐benzoquinone (chloranil) and tetracyanoethylene (TCNE) have been studied in ... -
Preparation and infrared spectra of (Cu(O)(H2O)3) and (Cu2(O) (C1)2(H2O)2) complexes formed in the reactions of Cu(II) salts with urea
( Elsevier , 1989 , Article)The preparation and characterization of the new solid complexes (Cu(O)(H2O)3) and (Cu2(O)(Cl)2(H2O)2) formed in the reaction of urea with CuSO4 · 5H2O and CuCl2 · 2H2O, respectively, in aqueous media at ~75°C are reported. ... -
Resonance Raman and far infrared spectroscopic studies of triiodide complexes formed in the reaction of iodine with some polycyclic amines
( Elsevier , 1989 , Article)The solid charge transfer complexes formed in the reaction of iodine with the polycyclic amines 1,4,8,12-tetraazacyclopentadecane (TACPD) and meso-5,7,7,12,14,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane (HMTACTD) have ... -
Synthesis and infrared spectra of alkaline earth metal carbonates formed by the reaction of metal salts with urea at high temperature
( Indian Academy of Sciences , 2004 , Article)The metal carbonate, MCO3 (M = Ca, Sr and Ba), was synthesized by a novel method of reacting aqueous solution of each of Ca2+, Sr2+ and Ba2+ salts with urea at high temperature, ∼ 80°C. The reaction products were characterized ... -
Synthesis and spectroscopic studies of metal complexes formed in the reaction of metal ions with urea at high temperature
( Korean Chemical Society , 2007 , Article)Urea reacts with PtCl2, H2[PtCl6]·6H2O, H2[IrCl6] and Ni(CH3CO2)2 in aqueous solution at high temperature (60-80 °C) yielding [PtCl2(Urea)]·2H2O (1), (NH4)2[PtCl6] (2), (NH4)2[IrCl6]·H2O (3) and [Ni2(OH)2(NCO)2(H2O)2] (4) ... -
Resonance Raman studies of the peroxotitanate(IV) complexes K2(Ti(O2)(SO4)2).5H2O and K2(Ti(O2)(C2O4)2).3H2O
( Elsevier , 1986 , Article)The resonance Raman spectra of K2(Ti(O2)(SO4)2)·5H2O and K2(Ti(O2)(C2O4)2)·3H2O are recorded. The results are consistent with the triangular structure of the peroxotitanium unit, Ti(O2), with C2ν symmetry. The ν(OO), ... -
Resonance Raman and far-infrared studies of charge-transfer complexes of iodine
( John Wiley and Sons Inc , 1986 , Article)The reactions of I2 with phenazine (PH), acridine (AC) and hexamethylenetetramine (HMTA) have been investigated by resonance Raman and far-infrared spectroscopy. The results indicate that the species (PH)2I+I3−, (AC)2I+I3− ... -
Vibrational analysis of the trigonal bipyramidal NbCl5 and NbBr5 molecules
( Elsevier , 1986 , Article)Vibrational normal coordinate analysis has been made for NbCl5 and NbBr5 molecules with D3h symmetry and using Wilson's GF matrix method. The observed frequencies are quantitatively assigned on the basis of the calculated ... -
Wearable Ultrasound devices for continuous health monitoring: Current and future Prospects
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Conference)Advancements in wearable electronics and portable sensors have enabled long-term and real-time health monitoring. Among these advancements, wearable ultrasound devices have garnered attention due to their portability, ease ... -
Pose Estimation of Physiotherapy Exercises using ML Techniques
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Conference)This study introduces an innovative methodology for accurately classifying physiotherapy exercises, integrating Pose Estimation and diverse Machine Learning (ML) techniques within the alwaysAI framework. The workflow ... -
Spectroscopic studies on the reaction of iodine with the mixed oxygen-nitrogen cyclic base 4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8,8,8] hexacosane
( Chemical Publishing Co. , 2005 , Article)The interaction of the mixed oxygen-nitrogen cyclic base, 4,7,13,16,21,24-hexaoxa-1,10- diazabicyclo[8,8,8] hexacosane (HODABCHC) with iodine as a s-acceptor has been studied spectrophotometrically at room temperature in ... -
Synthesis and characterization of oxovanadium(IV) urea compound
( Chemical Publishing Co. , 2005 , Article)Vanadyl chloride, VOCl2.6H2O, reacts with urea at room temperature to form the four coordinated oxovanadium(IV) complex of the type [V(O)(urea)2(Cl)2]. The complex is in the mononuclear form where the two urea molecules ... -
الإبراهيمية في سياق البحث العقدي المعاصر : دراسة تحليلية نقدية
( جامعة القاضي عياض - مجموعة البحث مناهج الاستمداد و الاستدلال من القرآن و السنة و تطبيقاتها المعاصرة , 2024 , Article)إذا كان الجدال القديم بين الشرائع السماوية حول شخصية وقيم ومبادئ إبراهيم عليه السلام قد سطر فصولا من الكلام حول الخليل عليه السلام فيها الاتفاق والاختلاف والنزاع، وهو أمر يمكن تلمس آثاره في تراث مقارنة الأديان في الملل ... -
Deep transfer learning for automatic speech recognition: Towards better generalization
( Elsevier B.V. , 2023 , Article)Automatic speech recognition (ASR) has recently become an important challenge when using deep learning (DL). It requires large-scale training datasets and high computational and storage resources. Moreover, DL techniques ... -
Automated systems for diagnosis of dysgraphia in children: a survey and novel framework
( Springer Science and Business Media Deutschland GmbH , 2024 , Article)Learning disabilities, which primarily interfere with basic learning skills such as reading, writing, and math, are known to affect around 10% of children in the world. The poor motor skills and motor coordination as part ... -
Video steganography: recent advances and challenges
( Springer , 2023 , Article)Video steganography approach enables hiding chunks of secret information inside video sequences. The features of video sequences including high capacity as well as complex structure make them more preferable for choosing ...