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Articles 11461 - 11490 of 12585
Full-Text Articles in Physical Sciences and Mathematics
Modification Of Hyaluronic Acid To Enable Click Chemistry Photo-Crosslinking Of Hydrogels With Tailorable Degradation Profiles, Ciara Buckley
Modification Of Hyaluronic Acid To Enable Click Chemistry Photo-Crosslinking Of Hydrogels With Tailorable Degradation Profiles, Ciara Buckley
Articles
Hyaluronic acid (HA) is a naturally occurring mucopolysaccharide that, due to its inherent bioactivity and extracellular matrix-like structure, has the potential to be utilised extensively in tissue engineering. However, this glycosaminoglycan lacks the properties required for cellular adhesion and photo-crosslinking by UV light, which significantly hinders this polymers applicability. This research presents a method for modifying hyaluronic acid via thiolation and methacrylation to generate a novel photo-crosslinkable polymer with improved physicochemical properties, biocompatibility and the potential to customize biodegradability according to the ratio of monomers used. A decrease in stiffness proportional to increasing thiol concentration was observed when testing the …
Antibiotic Susceptibility Of Proteus Mirabillis That Isolates Of Diabetic Foot Ulcers In Al- Diwaniyah Hospital, Aseel Hussein Jaber, Suaad A. Fazaa Almiyah
Antibiotic Susceptibility Of Proteus Mirabillis That Isolates Of Diabetic Foot Ulcers In Al- Diwaniyah Hospital, Aseel Hussein Jaber, Suaad A. Fazaa Almiyah
Al-Qadisiyah Journal of Pure Science
The current study have been included 250 samples diabetic foot ulcer patients attending in Al-Diwaniyah Teaching Hospital and private clinics at a period of study from beginning October 2021 to February 2022, Isolates were identified by morphological form on blood agar and macConkey agar, traditional biochemical tests and then confirmed by Vitek 2 system. The result of bacterial culture have been recorded that only 80 samples had positive result to P. mirabilis formed (32%) of this result. Prevalence of P. mirabilis isolates in male more than female (34.78%) and (28.57%) respectively, after then were determination of antibiotics susceptibility pattern of …
Finite Time Blow Up Of Solutions For The M-Laplacian Equation With Variable Coefficients, Erhan Pişkin, Ayşe Fidan
Finite Time Blow Up Of Solutions For The M-Laplacian Equation With Variable Coefficients, Erhan Pişkin, Ayşe Fidan
Al-Qadisiyah Journal of Pure Science
In this work, we deal with the m- Laplacian equation with time dependent variable coefficients. Under suitable conditions on variable coefficients, we prove the blow up of solutions for finite time with negative initial energy. These results partially generalize and extend some recent ones in previous literature.
Candida Spp. Associated With Covid-19 And Its Susceptibility To Some Antifungals, Mohammed Mudhafar Alkhuzaie, Neeran Obied Jasim
Candida Spp. Associated With Covid-19 And Its Susceptibility To Some Antifungals, Mohammed Mudhafar Alkhuzaie, Neeran Obied Jasim
Al-Qadisiyah Journal of Pure Science
The aim of this study was to conduct a survey of the Candida species associated with COVID-19 viral infection in 150 patients who were admitted to the intensive care unit (ICU) in Al-Diwaniyah Teaching Hospital in Al-Diwaniyah City, Iraq, for a five-month period from October 2021 to February 2022. The results indicated the dominance of Candida spp. over the rest of the isolated fungal species, with 97 isolates (64.66%). C. albicans was shown to be the most abundant species with a percentage of 55.67 percent (P 0.05), compared to the other Candida species that were isolated (Candida tropicalis 13.4 percent, …
Common Fixed Point Theorems By Using Two Mappings In B-Rectangular Metric Space, Qasim K. Kadhim
Common Fixed Point Theorems By Using Two Mappings In B-Rectangular Metric Space, Qasim K. Kadhim
Al-Qadisiyah Journal of Pure Science
In this paper, the aim to obtain the existence and uniqueness of some common fixed point theorem on b-rectangular metric space by using new conditions including rational, maximum, minimum and combination for two mappings.
Comparative Physiology Study Of Side Effect Between Xenical And Lipo-6 Supplements Which Treated Obese Rabbets, Hayder Ghazib Abdulshaheed
Comparative Physiology Study Of Side Effect Between Xenical And Lipo-6 Supplements Which Treated Obese Rabbets, Hayder Ghazib Abdulshaheed
Al-Qadisiyah Journal of Pure Science
Obesity is rapidly becoming a health problem, and it is considered a metabolic disease of epidemic proportions. Obesity is also associated with many comorbidities such as hyperlipidemia, fatty liver, atherosclerosis, cancer. Use of over-the-counter weight-loss supplements has become more common in the world; Xenical and Lipo-6 are two examples of nutritional supplements that do not pass safety research before being sold to the consumer. The ability of Xenical and lipo-6 supplements on DNA fragmentation in human lymphocytes was studied, where these cells represent important defense line of the body. On other hand, thirty white rabbits Iraqis in this experiment, weighing …
Correlation And Comparison Of Some Trace Elements And Their Related Proteins In Type 2 Diabetes Mellitus In Kalars City/ Kurdistan-Iraq, Hero Helal Muhammed Saed, Zeyan Abdullah Ali
Correlation And Comparison Of Some Trace Elements And Their Related Proteins In Type 2 Diabetes Mellitus In Kalars City/ Kurdistan-Iraq, Hero Helal Muhammed Saed, Zeyan Abdullah Ali
Al-Qadisiyah Journal of Pure Science
No abstract provided.
Cosemiprime Ring, Muntaha Abdul- Razaq Hasan
Cosemiprime Ring, Muntaha Abdul- Razaq Hasan
Al-Qadisiyah Journal of Pure Science
In this paper ,we introduce a new type of rings,namely cosemiprime ringas a generalization of semiprime ring,where a ring C is said to be cosemiprime ring if I= for each ideal I of C .Some properties of this type of rings are obtained . Also,we determin the relationship among types of ideals in this ring.
Environmental And Diagnostic Study Of Some Parasites In River Diwaniyah-Fish Of Al Xanthopterus, Abtisam Jasim Abbas
Environmental And Diagnostic Study Of Some Parasites In River Diwaniyah-Fish Of Al Xanthopterus, Abtisam Jasim Abbas
Al-Qadisiyah Journal of Pure Science
The current study was concerned with investigating parasitic infections in Barbus Xanthopterus fish in Al-Diwaniyah River, for the period (July 2020-December 2020). (218) fish were collected from three different locations along the Al-Diwaniyah River. The results of the laboratory examination indicated that the fish were infected with the parasite Chilodonella Cyprinid and Eimiria sinenis. The current study recorded changes in the physical and chemical properties of Al-Diwaniyah River water, as the water temperature values, measured turbidity values, pH, electrical conductivity, hardness and TDS recorded a clear variation during the months of the study. The results of the statistical analysis indicated …
Fungal And Trichothecenes (Tct) Contamination Of Poultry Feed From Duhok Province, Kurdistan Of Iraq, L. F. Hussei A. A. M. Saadullah
Fungal And Trichothecenes (Tct) Contamination Of Poultry Feed From Duhok Province, Kurdistan Of Iraq, L. F. Hussei A. A. M. Saadullah
Al-Qadisiyah Journal of Pure Science
Fungi are capable of reducing the nutritional value of food for human and animals and producing many mycotoxins. Mycotoxins-contaminated animal feed has adverse effects on productivity and animal health. As well, mycotoxins may be carried over into meat and eggs when poultry are fed with contaminated feed. Data on the occurrence of T-2 and HT-2 toxins in poultry feed from Kurdistan region of Iraq are very limited. T-2 toxin is the most toxic type A trichothecene mycotoxin. It is the secondary metabolite of the Fusarium fungi, and is common in grains and animal feed. Toxic effects have been shown both …
Omitted - Value Transformation For A Complex Differential Equations, Shatha S. Alhily, Fatima Ah. Mazloum
Omitted - Value Transformation For A Complex Differential Equations, Shatha S. Alhily, Fatima Ah. Mazloum
Al-Qadisiyah Journal of Pure Science
No abstract provided.
Preparation And Study Of Tin And Gallium Thin Films On Silicon Substrates, Maher Nadher Abdullah
Preparation And Study Of Tin And Gallium Thin Films On Silicon Substrates, Maher Nadher Abdullah
Al-Qadisiyah Journal of Pure Science
In this research, the ideal procedures were obtained for growth epitaxial layers of tin and gallium solutions which are solid solutions, and the two solutions of the molten material were dissolved on a silicon substrate. The results were to obtain the lowest dislocation density of thin films. The relationship between the dislocation densities of thin films and the thickness of the thin film was an exponential relationship between its variable values. Thin films with a compound containing a smooth structure varied in order were obtained by smoothly changing the lattice parameters of the gradient gap solid solution, and an ideal …
Review Of Key Derivation Functions In Cryptographic Systems, Hasan Kadhim A. Alsuwaiedi, Abdul Monem S. Rahma
Review Of Key Derivation Functions In Cryptographic Systems, Hasan Kadhim A. Alsuwaiedi, Abdul Monem S. Rahma
Al-Qadisiyah Journal of Pure Science
Because of its significance in the formation of the core of encryption/decryption algorithms, the key derivation function (KDF) or pseudorandom number generator (PRNG) plays a major part in the cryptographic system. Random numbers are required for the usage of encryption and decryption techniques in a variety of network security applications. In this research we Focus on key generation functions, which are an important aspect of symmetric and asymmetric algorithms. Disgusting the background of PRNG basics and attempting to characterize and evaluate several publications that offer proposals for key generators.
Some Properties Of Almost Periodic Points In A Random Dynamical System, Qays Arif Wali, Ihsan Jabbar
Some Properties Of Almost Periodic Points In A Random Dynamical System, Qays Arif Wali, Ihsan Jabbar
Al-Qadisiyah Journal of Pure Science
No abstract provided.
Study Of Transitive Random Dynamical Systems, Salam T. Abbas, Ihsan J. Kadhim
Study Of Transitive Random Dynamical Systems, Salam T. Abbas, Ihsan J. Kadhim
Al-Qadisiyah Journal of Pure Science
No abstract provided.
Supra-Approximation Spaces Using Combined Edges Systems, Hussein R. Jaffer, Khalid Sh. Al’Dzhabri
Supra-Approximation Spaces Using Combined Edges Systems, Hussein R. Jaffer, Khalid Sh. Al’Dzhabri
Al-Qadisiyah Journal of Pure Science
The primary in this paper's notion, the i-space using incident edges system (resp. n-space using non-incidental edges system), is what this study is responsible for generating and investigating. Additionally, we used c-interior to define the c-lower approximations in generalized rough set theory (resp. i-interior and n-interior) Additionally, the c-upper approximations are defined using c-closure (as opposed to i-closure and n-closure), and some of its characteristics are studied.
The Refractive Index Of Photonic Crystal Fibers As A Function Of Some Parameters And Temperature, Mohammed Salim Jasim, Nadia Al-Aboody
The Refractive Index Of Photonic Crystal Fibers As A Function Of Some Parameters And Temperature, Mohammed Salim Jasim, Nadia Al-Aboody
Al-Qadisiyah Journal of Pure Science
Photonic crystal fibers in the late period occupied a wide range of studies and research because of the ease of dealing with them in terms of design and installation, as there is a group of parameters used in them that can affect the refractive index of the pulse propagation through it, including the diameter of the air holes, the distance between the air holes and their number, as this study showed in addition to the aforementioned parameters The effect of temperature on the refractive index was also studied. It has been observed that with an increase in the diameter of …
Water Quality Evaluation Of The Main Drain In Dhi-Qar Governorate, South Iraq, Ali H. Nomas, Ayser Al-Shamma
Water Quality Evaluation Of The Main Drain In Dhi-Qar Governorate, South Iraq, Ali H. Nomas, Ayser Al-Shamma
Al-Qadisiyah Journal of Pure Science
The Main Drain is one of the largest irrigation projects which is used to collect drainage water from the lands extended on both sides of the water channel and diverts it to Shatt Al-Arab and from there to the Arabian Gulf. The Main Drain passed in Dhi-Qar Governorate to the northeast of Nasiriyah oil field in the Kati’a area, which is about 38 km from the center of the city of Nasiriyah. The objective of the present research is to evaluate the water quality, and its temporal change of the Main Drain, and if there is an impact of the …
Steganography Using Syntactic Method, Saad Nasser Al.Azzam, Fahad Ali Al-Qarni
Steganography Using Syntactic Method, Saad Nasser Al.Azzam, Fahad Ali Al-Qarni
Al-Qadisiyah Journal of Pure Science
Information security, which is becoming more crucial as information sharing plays an increasingly significant part in the day-to-day activities of today's people, is one of the methods that may be used for information security. For the sake of information security, we present a method to linguistic steganography that is based on syntactic banks.
While the unprocessed input a phrase structure of the sentence is produced by parsing the sentence using the Stanford parser, which can create a phrase structure of the sentence.
They create the grammatical structure of the sentence. The input secret message is encoded using Shannon-Fano coding in …
Terrain Cost Learning From Human Preferences For Robot Path Planning Using A Visual User Interface, Kaivalya Velagapudi
Terrain Cost Learning From Human Preferences For Robot Path Planning Using A Visual User Interface, Kaivalya Velagapudi
Electronic Theses and Dissertations
Robot navigation in terrains with limited exploration and limited knowledge has been a problem of interest in robotics due to the potential dangers that may arise during traversal. Due to the large number of path permutations within a complex and feature-rich real-world environment, and in the interest of saving time and ensuring safety, the robot should learn the optimal path without repeated exploration of the terrain. This can be accomplished by leveraging the path preferences of a human operator so that, with selective inputs, the agent can effectively learn a terrain-cost mapping in order to determine the optimal route, thereby …
Collective Relaxation Processes In Nonchiral Nematics, Neelam Yadav, Yuri Panarin, Wanhe Jiang, Georg H. Mehl, Jagdish Vij
Collective Relaxation Processes In Nonchiral Nematics, Neelam Yadav, Yuri Panarin, Wanhe Jiang, Georg H. Mehl, Jagdish Vij
Articles
Nematic–nematic transitions in a highly polar nematic compound are studied, in thick cells in which the molecules are aligned parallel to the substrates but perpendicular to the applied electric field, using dielectric spectroscopy in the frequency range 1 Hz to 10 MHz over a wide temperature range. The studied compound displays three nematic phases under cooling from the isotropic phase: ubiquitous nematic N; high polarizability NX; and ferroelectric nematic NF. Two collective processes were observed. The dielectric strength and relaxation frequency of one of the processes P2 showed a dependence on the thickness of the cell. The process P1 is …
Soil Organic Matter Carbon Chemistry Signatures, Hydrophobicity And Humification Index Following Land Use Change In Temperate Peat Soils, Samuel Obeng Apori, Julie Dunne, Michelle Giltrap, Furong Tian
Soil Organic Matter Carbon Chemistry Signatures, Hydrophobicity And Humification Index Following Land Use Change In Temperate Peat Soils, Samuel Obeng Apori, Julie Dunne, Michelle Giltrap, Furong Tian
Articles
Peatlands play a critical role in the global carbon cycle, storing large amounts of carbon because of a net imbalance between primary production and the microbial decomposition of the organic matter. Nevertheless, peatlands have historically been drained for energy sources (e.g. peat briquettes), forestry, or agriculture - practices that could affect the quality of the soil organic matter (SOM) composition, hydrophobicity and humification index. This study compared the effect of land use change on the quality and composition of peatland organic material in Co-Offaly, Ireland. Specifically, drained and grazing peat (grassland), drained and forest plantation peat (forest plantation), drained and …
Enhancing Control Room Operator Decision Making: An Application Of Dynamic Influence Diagrams In Formaldehyde Manufacturing, Joseph Mietkiewicz, Anders L. Madsen
Enhancing Control Room Operator Decision Making: An Application Of Dynamic Influence Diagrams In Formaldehyde Manufacturing, Joseph Mietkiewicz, Anders L. Madsen
Articles
Intoday’s rapidly evolving industrial landscape, control room operators must grapple with an ever-growing array of tasks and respon sibilities. One major challenge facing these operators is the potential for task overload, which can lead to decision fatigue and increased reliance on cognitive biases. To address this issue, we propose the use of dynamic influence diagrams (DID) as the core of our decision support system. By monitoring the process over time and identifying anomalies, DIDs can recommend the most effective course of action based on a probabilistic assessment of future outcomes. Instead of letting the operator choose or search for the …
On The Chronological Understanding Of The Homogeneous Dielectric Barrier Discharge, Xinpei Lu, Zhi Fang, Dong Dai, Tao Shao, Feng Liu, Cheng Zhang, Dawei Liu, Lanlan Nie, Chunqi Jiang
On The Chronological Understanding Of The Homogeneous Dielectric Barrier Discharge, Xinpei Lu, Zhi Fang, Dong Dai, Tao Shao, Feng Liu, Cheng Zhang, Dawei Liu, Lanlan Nie, Chunqi Jiang
Bioelectrics Publications
Dielectric barrier discharges (DBD) are widely utilised non-equilibrium atmospheric pressure plasmas with a diverse range of applications, such as material processing, surface treatment, light sources, pollution control, and medicine. Over the course of several decades, extensive research has been dedicated to the generation of homogeneous DBD (H-DBD), focussing on understanding the transition from H-DBD to filamentary DBD and exploring strategies to create and sustain H-DBD. This paper first discusses the influence of various parameters on DBD, including gas flow, dielectric material, surface conductivity, and mesh electrode. Secondly, a chronological literature review is presented, highlighting the development of H-DBD and the …
It’S A Rat! It’S A Kangaroo! It… Smells? Musky Rat-Kangaroo Populations In Northeastern Queensland, Caroline Lee, Clay Ritter, Kristine Shaw
It’S A Rat! It’S A Kangaroo! It… Smells? Musky Rat-Kangaroo Populations In Northeastern Queensland, Caroline Lee, Clay Ritter, Kristine Shaw
The Synapse: Intercollegiate science magazine
No abstract provided.
The Post-Shock Nonequilibrium Relaxation In A Hypersonic Plasma Flow Involving Reflection Off A Thermal Discontinuity, Anna Markhotok
The Post-Shock Nonequilibrium Relaxation In A Hypersonic Plasma Flow Involving Reflection Off A Thermal Discontinuity, Anna Markhotok
Physics Faculty Publications
The evolution in the post shock nonequilibrium relaxation in a hypersonic plasma flow was investigated during a shock’s reflection off a thermal discontinuity. Within a transitional period, the relaxation zone parameters past both, the reflected and transmitted waves, evolve differently compared to that in the incident wave. In a numerical example for the non-dissociating N2 gas heated to 5000 K/10,000 K across the interface and M = 3.5, the relaxation time for the transmitted wave is up to 50% shorter and the relaxation depth for both waves is significantly reduced, thus resulting in a weakened wave structure. The …
Basics Of Factorization In A Scalar Yukawa Field Theory, F. Aslan, L. Gamberg, J.O. Gonzalez-Hernandez, T. Rainaldi, T. C. Rogers
Basics Of Factorization In A Scalar Yukawa Field Theory, F. Aslan, L. Gamberg, J.O. Gonzalez-Hernandez, T. Rainaldi, T. C. Rogers
Physics Faculty Publications
The factorization theorems of QCD apply equally well to most simple quantum field theories that require renormalization but where direct calculations are much more straightforward. Working with these simpler theories is convenient for stress testing the limits of the factorization program and for examining general properties of the parton density functions or other correlation functions that might be necessary for a factorized description of a process. With this view in mind, we review the steps of factorization in a real scalar Yukawa field theory for both deep inelastic scattering and semi-inclusive deep inelastic scattering cross sections. In the case of …
Observation Of Large Missing-Momentum (E, E' P) Cross-Section Scaling And The Onset Of Correlated-Pair Dominance In Nuclei, I. Korover, A. W. Denniston, A. Kiral, A. Schmidt, A. Lovato, N. Rocco, A. Nikolakopoulos, L. B. Weinstein, E. Piasetzky, O. Hen, M. J. Amaryan, Giovanni Angelini, H. Atac, N. A. Baltzell, L. Barion, M. Battaglieri, I. Bedlinskiy, Fatiha Benmokhtar, A. Bianconi, Z. W. Zhao, Et Al., Clas Collaboration
Observation Of Large Missing-Momentum (E, E' P) Cross-Section Scaling And The Onset Of Correlated-Pair Dominance In Nuclei, I. Korover, A. W. Denniston, A. Kiral, A. Schmidt, A. Lovato, N. Rocco, A. Nikolakopoulos, L. B. Weinstein, E. Piasetzky, O. Hen, M. J. Amaryan, Giovanni Angelini, H. Atac, N. A. Baltzell, L. Barion, M. Battaglieri, I. Bedlinskiy, Fatiha Benmokhtar, A. Bianconi, Z. W. Zhao, Et Al., Clas Collaboration
Physics Faculty Publications
We report the measurement of 𝒙B scaling in (e,e′p) cross-section ratios off nuclei relative to deuterium at large missing momentum of 350 ≤ Pmiss ≤ 600 MeV/c. The observed scaling extends over a kinematic range of 0.7 ≤ 𝒙B ≤ 1.8, which is significantly wider than 1.4 ≤ 𝒙B ≤ 1.8 previously observed for inclusive (e,e′) cross-section ratios. The 𝒙B-integrated cross-section ratios become constant (i.e., scale) beginning at pmiss ≈ kF, the nuclear Fermi momentum. Comparing with theoretical calculations we find good agreement with generalized contact formalism calculations for high missing …
Nuclear Magnetic Quadrupole Moment Of ¹⁷⁵Lu And Parity-Violating Polarization Degree Of Levels In ¹⁷⁵Luoh⁺, Igor Kurchavov, Daniel Maison, Leonid Skripnikov, Matt Grau, Alexander Petrov
Nuclear Magnetic Quadrupole Moment Of ¹⁷⁵Lu And Parity-Violating Polarization Degree Of Levels In ¹⁷⁵Luoh⁺, Igor Kurchavov, Daniel Maison, Leonid Skripnikov, Matt Grau, Alexander Petrov
Physics Faculty Publications
A calculation is performed of the parity-violating polarizations in the external electric field, which are associated with the electron electric dipole moment (eEDM) and magnetic quadrupole moment (MQM) of the 175Lu nucleus, as well as the determination of the rovibrational structure for the 175LuOH+ cation. Beyond the bending of the molecule, the slight effect of the stretching of the distance between Lu and OH is taken into account. This study is required for the preparation of the experiment and for the extraction of the eEDM and MQM values of 175Lu from future measurements.
Liouvillian Dynamics Of The Open Schwinger Model: String Breaking And Kinetic Dissipation In A Thermal Medium, Kyle Lee, James Mulligan, Felix Ringer, Xiaojun Yao
Liouvillian Dynamics Of The Open Schwinger Model: String Breaking And Kinetic Dissipation In A Thermal Medium, Kyle Lee, James Mulligan, Felix Ringer, Xiaojun Yao
Physics Faculty Publications
Understanding the dynamics of bound state formation is one of the fundamental questions in confining quantum field theories such as Quantum Chromodynamics (QCD). One hadronization mechanism that has garnered significant attention is the breaking of a string initially connecting a fermion and an antifermion. Deepening our understanding of real-time string-breaking dynamics with simpler, lower dimensional models like the Schwinger model can improve our understanding of the hadronization process in QCD and other confining systems found in condensed matter and statistical systems. In this paper, we consider the string-breaking dynamics within the Schwinger model and investigate its modification inside a thermal …