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8183 articles

The Initial-Boundary Value Poblem for the Korteweg-de Vries Equation on the Positive Quarter-Plane

Pham Loi Vu
Pages: 28 - 43
The paper deals with a problem of developing an inverse-scattering transform for solving the initial-boundary value problem (IBVP) for the Korteweg-de Vries equation on the positive quarter-plane: pt - 6ppx + pxxx = 0, x 0, t 0, (a) with the given initial and boundary conditions: p(x, 0) = p(x), p(x)...

Blow-Up Phenomena and Decay for the Periodic Degasperis-Procesi Equation with Weak Dissipation

Shuyin Wu, Zhaoyang Yin
Pages: 28 - 49
In the paper, several problems on the periodic Degasperis-Procesi equation with weak dissipation are investigated. At first, the local well-posedness of the equation is established by Kato’s theorem and a precise blow-up scenario of the solutions is given. Then, several critera guaranteeing the blow-up...

Evaluation of E-Learning Web Sites Using Fuzzy Axiomatic Design Based Approach

Gülçin Büyüközkan, Jbid Arsenyan, Gürdal Ertek
Pages: 28 - 42
High quality web site has been generally recognized as a critical enabler to conduct online business. Numerous studies exist in the literature to measure the business performance in relation to web site quality. In this paper, an axiomatic design based approach for fuzzy group decision making is adopted...

Liver Abscess in a Term Baby: A Case Report and Review of Literature

Sajjad Ur Rahman, Abid Ghalib, Muhammad Hasan Abdulghani, Abdullah Jan
Pages: 27 - 29
Neonatal sepsis is common; particularly in preterm babies. However, it is uncommon for neonatal sepsis to present as localized liver abscess. Since 1930, less than 150 cases of liver abscess have been reported in the literature. The majority of initially reported cases were in term babies; while over...

Novel Mathematical Modeling and Motion Analysis of a Sphere Considering Slipping

Kenji Kimura, Kouki Ogata, Kazuo Ishii
Pages: 27 - 32
Many mobile robots that use spherical locomotion employ friction-drive systems because such systems offer omnidirectional locomotion and are more capable of climbing steps than omni-wheel systems. One notable issue associated with friction-drive systems is slipping between the sphere and the roller....

Design and Development of a Constant-Temperature Reservoir for a Database-Driven Smart Cultivation System

Shin Wakitani, Sneha Sharma, Toru Yamamoto
Pages: 27 - 31
Decreasing the number of people working in the agriculture sector is a serious problem in Japan. Production of agricultural products in a plant factory is one of the solutions to the above problem. However, setting optimal environmental conditions is difficult owing to the nonlinearity of the system....
Research Article

Macro- and Micro-mechanical Properties of the Ovine Aorta: Correlation with Regional Variations in Collagen, Elastin and Glycosaminoglycan Levels

Phakakorn Panpho, Brendan Geraghty, Ya Hua Chim, Hannah A. Davies, Mark L. Field, Jillian Madine, Riaz Akhtar
Pages: 27 - 36
Aortic diseases are a significant cardiovascular health problem and occur in different ways across the vascular tree. Investigation of the mechanical properties of the aorta is important for better understanding of aortic diseases. In this study, the biomechanical and biochemical properties of the ovine...
Research Article

Effects of dietary modification with weight loss on central blood pressure during oral glucose tolerance test in overweight/obese men

Toru Yoshikawa, Hiroshi Kumagai, Kanae Myoenzono, Asako Zempo-Miyaki, Takehiko Tsujimoto, Kiyoji Tanaka, Seiji Maeda
Pages: 27 - 34
Background: Postprandial regulation of central systolic blood pressure (cSBP) is impaired by obesity-related disorders. The present study aimed to examine the effect of hypocaloric diet intervention on cSBP when performing oral glucose tolerance test (OGTT) in overweight/obese men and explore its mechanism. Methods:...
Review Article

Combination therapy in hypertension: From effect on arterial stiffness and central haemodynamics to cardiovascular benefits☆

Charalambos Vlachopoulos
Pages: 27 - 35
Measures of arterial aging have the potential to improve risk prediction beyond traditional risk scores. Such biomarkers that fulfil most, or some of the strict criteria of a surrogate end-point are aortic stiffness (IIa level of recommendation in European Guidelines and Position Papers) and central...
Research Article

Aortic root calcification and cardiac risk factors in patients with coronary calcium score greater than zero using multidetector computed tomography

Hasan A. Al-Nafakh, Hussein Nafakhi, Mohammed Abd Kadhim Al-Jiboori, Abdulameer A. Al-Mosawi, Raad H. Tawfeq
Pages: 27 - 31
Background: Vascular calcification is a marker of atherosclerotic burden and is associated with increased risk of cardiac events. The aim of this study was to investigate the relationship between clinical cardiac risk factors and aortic root calcification (ARC) in patients with a coronary calcium score...
Research Article

Impact of obesity on aortic root calcification and coronary calcification using multi-detector CT

Hussein Nafakhi, Hasan A. Al-Nafakh, Abdulameer A. Al-Mosawi
Pages: 27 - 32
Objective: The impact of obesity measured by BMI on cardiovascular diseases remains controversial. We investigated the impact of obesity measured by BMI on the prevalence and correlation of aortic root calcification (ARC) and coronary artery calcification (CAC) in patients assessed by multi-detector...
Research Article

Timed Sequential Salvage Chemotherapy for Relapsed or Refractory Acute Myeloid Leukemia

Bogdan Popescu, Sheenu Sheela, Julie Thompson, Sophia Grasmeder, Therese Intrater, Christin B. DeStefano, Christopher S. Hourigan, Catherine Lai
Pages: 27 - 31
Therapy for those with relapsed or refractory acute myeloid leukemia is suboptimal. Studies have suggested that timed sequential salvage combination cytotoxic chemotherapy may be particularly useful for that indication. We report here a series of ten such adult patients treated sequentially at a single...
Research Article

Carotid–femoral pulse wave velocity: Impact of different arterial path length measurements

Jun Sugawara, Koichiro Hayashi, Takashi Yokoi, Hirofumi Tanaka
Pages: 27 - 31
Background: Carotid–femoral pulse wave velocity (PWV) is the most established index of arterial stiffness. Yet there is no consensus on the methodology in regard to the arterial path length measurements conducted on the body surface. Currently, it is not known to what extent the differences in the arterial...
Research Article

Pressure Dependency of Retinal Arterial Pulse Wave Velocity in the Rat

Mahdieh Rezaeian, Dana Georgevsky, S. Mojtaba Golzan, Stuart Graham, Alberto Avolio, Mark Butlin
Pages: 27 - 33
Purpose: The retinal vasculature provides unique in vivo access to the microcirculation and presents the possibility of measuring small artery (retinal) stiffness using pulse wave velocity (PWV). This study investigates whether retinal artery PWV (rPWV) has a blood pressure (BP) dependency. Methods:...

Implementing a Failure Learning Orientation

Grant Alexander Wilson, C. Brooke Dobni
Pages: 27 - 33
Based on interviews with Chief Executive Officers (CEOs) of large U.S. technology companies, this study explored senior management activities that help create a culture that learns from failure. Findings indicate that failure needs to be positively reframed, the process needs to be supported with resources,...

Study on Mutation Mechanism of Victim’s Psychological Behavior State after Major Natural Disasters

Xuanhua Xu, Yushi Liu, Zitao Zhang
Pages: 27 - 36
Aiming at the problem of victim’s rational and irrational behavior during recovery stage in major natural disaster, this paper analyzed the victim’s psychological and behavioral characteristics and influencing factors during recovery stage based on lots of literatures and an interview with victims. Besides,...

Intention Classification of a User of a Walking Assist Cart by using Support Vector Machine

Noritaka Sato, Tomoki Yokotani, Yoshifumi Morita
Pages: 27 - 29
To develop better assist function for a walking assist cart, we focused on the prediction of the intention of a user. As the first step of the research, the forces and torques to the cart from the user’s hands, and the rotational velocities of the wheels are sensing. And the support vector machine is...

Spinors on Kahler–Norden Manifolds

Nedim Değirmenci, Şenay Karapazar
Pages: 27 - 34
It is known that the complex spin group Spin(n, ℂ) is the universal covering group of complex orthogonal group SO(n, ℂ). In this work we construct a new kind of spinors on some classes of Kahler–Norden manifolds. The structure group of such a Kahler–Norden manifold is SO(n, ℂ) and has a lifting to Spin(n,...
Research Article

Determinants of Generalized Anxiety, Depression, and Subjective Sleep Quality among University Students during COVID-19 Pandemic in Bangladesh

Taufiq-E-Ahmed Shovo, Benojir Ahammed, Bayezid Khan, Nusrat Jahan, Tunvir Ahamed Shohel, Tanvir Hossain, Nazrul Islam
Pages: 27 - 35
The aim of this study was to determine the risk factors associated with generalized anxiety, depression, and subjective sleep quality among university students during the Coronavirus Disease 2019 (COVID-19) pandemic in Bangladesh. Data for this web-based cross-sectional study were collected from 1317...
Research Article

How to Simplify the Evaluation of Newly Introduced Chemotherapeutic Interventions in Myeloma

Treen Carson Michael Morris, Mary B. Drake, Paul J. Kettle, Tracey McGuigan, Maeve Leahy, Michael O’Dwyer, Helen Enright, Tanya O’Shea, Rakesh Popat, Heather E. Oakervee, Kwee Yong, Jamie D. Cavenagh, David A. Cairns, Alberto Alvarez-Iglesias, Gordon Cook
Pages: 27 - 33
When the bortezomib [PS341], adriamycin and dexamethasone (PAD) regimen was first evaluated, the response rate in untreated patients was much superior to that elicited by conventional chemotherapeutic agents. We demonstrated the efficacy of PAD in relapsed or refractory patients by comparing the response...
Journal: eFood
Research Article

A Preliminary Study of Proteomic Analysis on Caseins and Whey Proteins in Donkey Milk from Xinjiang and Shandong of China

Wahafu Luoyizha, Bo Zeng, Hui Li, Xiaojun Liao
Pages: 27 - 36
The proteomics of donkey milk from China’s major producing areas have not been well documented. To explore the protein profiles of donkey milk from China, this study preliminarily investigated caseins and whey proteins in products from two major producing areas using quantitative proteomics approach....

The (N + 1)-Dimensional Burgers Equation: A Bilinear Extension, Vortex, Fusion and Rational Solutions

Hongli An, Engui Fan, Manwai Yuen
Pages: 27 - 37
In this paper, by introducing a fractional transformation, we obtain a bilinear formulation for the (N + 1)-dimensional Burgers equation. Such a formulation constitutes a bilinear extension to the (N + 1)-dimensional Cole-Hopf transformation between the (N + 1)-dimensional Burgers system and generalized...

On the Recursion Operator for the Noncommutative Burgers Hierarchy

Sandra Carillo, Cornelia Schiebold
Pages: 27 - 37
The noncommutative Burgers recursion operator is constructed via the Cole–Hopf transformation, and its structural properties are studied. In particular, a direct proof of its hereditary property is given.

Multi-Level Message Sequence Charts to Validate the Collaborative Automotive Cyber-Physical Systems

Marian Daun, Bastian Tenbergen, Jennifer Brings, Patricia Aluko Obe
Pages: 27 - 45
Autonomous driving and e-mobility are swiftly becoming not only the work of science fiction or popular science, but a reality. A key focus of manufacturers and suppliers in the automotive domain is of course to specify systems that implement this reality. Often, scenarios at type-level are used throughout...
Conference Abstract

P6.13 AMBULATORY AND OFFICE CENTRAL SYSTOLIC BLOOD PRESSURE IS MORE CLOSELY ASSOCIATED WITH LEFT VENTRICULAR MASS THAN AMBULATORY AND OFFICE PERIPHERAL SYSTOLIC BLOOD PRESSURE IN A YOUNG NORMOTENSIVE POPULATION

Maria Kearney*, James Thomas, Niamh Chapman, Laura Watkeys, Margaret Munnery, John Cockcroft, Rob Shave, Carmel McEniery, Eric Stöhr, Barry McDonnell
Pages: 27 - 28
Background: High blood pressure (BP) at a young age and increased left ventricular mass (LVM) are associated with increased risk of future cardiovascular mortality. In addition, ambulatory 24-hour central systolic BP (24cSBP) is more closely associated with LVM than either 24-hour peripheral SBP (24pSBP)...
Conference Abstract

P6.12 AORTIC AND LOCAL CAROTID STIFFNESS: RELATIONSHIP WITH CARDIAC AND VASCULAR ORGAN DAMAGE IN A GENERAL POPULATION SAMPLE IN NORTHERN ITALY

Anna Paini*, Massimo Salvetti, Claudia Agabiti Rosei, Fabio Bertacchini, Giulia Maruelli, Giulia Rubagotti, Efrem Colonetti, Carlotta Donini, Elisa Casella, Enrico Agabiti Rosei, Maria Lorenza Muiesan
Pages: 27 - 27
Background: Carotid-femoral pulse wave velocity (aoPWV), the gold-standard measurement of arterial stiffness, has been found associated with cardiac and vascular organ damage. Less information is available with regard to the correlation between local carotid stiffness (CS) and cardiac and vascular preclinical...
Conference Abstract

P6.11 THE FRAMINGHAM RISK SCORE IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE

Nichola Gale*, Margaret Munnery, Ali Albaratti, Dennis Shale, John Cockcroft
Pages: 27 - 27
Background: Patients with chronic obstructive pulmonary disease (COPD) have increased risk of cardiovascular (CV) events and mortality beyond that attributable to smoking. Increased arterial stiffness has been identified in COPD, however it prognostic value has not been established. The Framingham risk...
Conference Abstract

P6.10 ALCOHOL INTAKE IS ASSOCIATED WITH 24-HOUR AORTIC BLOOD PRESSURE IN A YOUNG HEALTHY STUDENT COHORT

James Thomas*, Niamh Chapman, Laura Watkeys, Maria Kearney, Sue King, Eric Stohr, John Cockcroft, Margaret Munnery, Carmel McEniery, Barry McDonnell
Pages: 27 - 27
Objective: Increased brachial (bBP) and aortic blood pressure (aBP) have been linked to increased arterial stiffness and cardiovascular risk in older individuals. Literature suggests that increased alcohol intake is associated with increased BP both acutely and long term in older adults and heavy alcohol...

Stochastic Comparisons of Residual Entropy of Order Statistics and Some Characterization Results

Ramesh C. Gupta, H.C. Taneja, Richa Thapliyal
Pages: 27 - 37
In this paper, we have presented some results for the residual and past entropies of order statistics. Results on the stochastic comparisons based on residual entropy of order statistics are presented. Characterization results for these dynamic entropies based on the sufficient condition for the uniqueness...

Accounting Information Systems End-User Satisfaction: Evidence of Hong Kong Housing Authority

Steve C.C. Fong, Michael W.H. Ho
Pages: 27 - 41
This research studies the level of satisfaction among end-users of estate management system in a Hong Kong public housing organization. It identifies the interactions of prior experience, perceived usefulness and confirmation for achieving user satisfaction and usage continuance intention. It illustrates...

A Decision Making System of Robots Introducing a Re-construction of Emotions Based on Their Own Experiences

Shogo Watada, Masanao Obayashi, Takashi Kuremoto, Shingo Mabu
Pages: 27 - 32
We already proposed a decision making system for autonomous robots, which is based on a Markovian emotional model proposed by Banik. In our proposed system, decision making of the robot is designed automatically by two processes that are the construction of emotions and optimization of behavior selection...

A Critical Review on the Economics of Disasters

Xi Yu, Yandong Tang
Pages: 27 - 36
The idea of economics of disasters can be traced back to the mid-19th century. The field of economics of disaster continues to be expand after 1970s and mainly concentrating in the disaster loss assessment methods, disaster economic impact model, the value of life assessments and disaster insurance and...

On the matrix 3 × 3 exact solvable models of the type G2

C. Burdik, S. Posta, O. Navratil
Pages: 27 - 36
We study the exact solvable 3 × 3 matrix model of the type G2. We apply the construction similar to that one, which give the 2 × 2 matrix model. But in the studied case the construction does not give symmetric matrix potential. We conceive that the exact solvable 3 × 3 matrix potential model of the type...
Short Communication

Uniqueness of Steady Symmetric Deep-Water Waves with Vorticity

Mats EHRNSTRÖM
Pages: 27 - 30
Given a steady and symmetric deep-water wave we prove that the surface profile and the vorticity distribution determine the wave motion completely throughout the fluid.

A New Discrete Hénon-Heiles System

Alan K. Common, Andrew N.W. Hone, Micheline Musette
Pages: 27 - 40
By considering the Darboux transformation for the third order Lax operator of the Sawada-Kotera hierarchy, we obtain a discrete third order linear equation as well as a discrete analogue of the Gambier 5 equation. As an application of this result, we consider the stationary reduction of the fifth order...

A Hopf C-algebra associated with an action of SUq(1,1) on a two-parameter quantum deformation of the unit disc

Yury Chapovsky
Pages: 27 - 45
We define a Hopf C -algebra associated with an action of the quantum group SUq(1, 1) on a two-parameter quantum deformation of the unit disc, which has a left comodule structure over this Hopf C -algebra. Mathematics Subject Classification (1991). 81C05.

Feature Weighting and Retrieval Methods for Dynamic Texture Motion Features

Ashfaqur Rahman, Manzur Murshed
Pages: 27 - 38
Feature weighing methods are commonly used to find the relative significance among a set of features that are effectively used by the retrieval methods to search image sequences efficiently from large databases. As evidenced in the current literature, dynamic textures (image sequences with regular motion...

The Research on Applicability of Amended KMV Model with Different Industries

Yang Yang, Li Li, Zongfang Zhou, Wenying Fei
Pages: 27 - 33
The determination of the default point is the key to applying the KMV model. In the traditional research, the default point is equal to the sum of short term debt and half of the long term debt empirically based on the credit data of American companies. But whether it is fit for the Chinese companies...

Applications of Solvable Structures to the Nonlocal Symmetry-Reduction of Odes

Diego Catalano Ferraioli, Paola Morando
Pages: 27 - 42
An application of solvable structures to the reduction of ODEs with a lack of local symmetries is given. Solvable structures considered here are all defined in a nonlocal extension, or covering space, of a given ODE. Examples of the reduction procedure are provided.

Interval Estimation of the Overlapping Coefficient of Two Exponential Distributions

Sibil Jose, Seemon Thomas, Thomas Mathew
Pages: 26 - 32
For the overlapping coefficient between two one-parameter or two-parameter exponential distributions, confidence intervals are developed using generalized pivotal quantities. The accuracy of the proposed solutions are assessed using estimated coverage probabilities, and are also compared with other approximate...
Research Article

Molecular determinants of arterial stiffness

Stéphane Laurent, Céline Fassot, Patrick Lacolley, Pierre Boutouyrie
Pages: 26 - 31
Arterial stiffness has an independent predictive value for cardiovascular events. This review proposes an integrated view of the molecular determinants of arterial stiffness, based on a candidate gene approach, an analysis of the structure–function relationship in hypertension, and studies on gene expression...

Is Physical Activity Associated with Mental Health among Chinese Adolescents during Isolation in COVID-19 Pandemic?

Sifan Kang, Yuliang Sun, Xinxin Zhang, Fangjun Sun, Bingqi Wang, Wenfei Zhu
Pages: 26 - 33
Background: Restricted outdoor activities and online learning during COVID-19 pandemic may pose threats on the physical and mental health of Chinese adolescents in middle schools. The study was to explore the relationship of Physical Activity (PA) and Sedentary Time (SED) with mood states among Chinese...

A Comparative Analysis of Climate Change Risk Response Perception Paths between Northern and Southern Shaanxi

Siwen Xue, Zhou Qi
Pages: 26 - 35
The public’s awareness of climate change risks is the basis for their choice of adaptation action. A good understanding of the key factors that affect the public’s perception of climate change risk is critical to climate change risk management. In this paper, a path model was constructed to analyze the...
Conference Abstract

P6.9 MEASURING ARTERIAL STIFFNESS USING POPMETRE® IN THE AFRICAN HETEROZYGOUS AND HOMOZYGOUS SICKLE CELL DISEASE

Valentine Ouédraogo, Hasan Obeid*, Magid Hallab, Isabelle Signolet, Mor Diaw, Amadou Ba, Georges Lefthériotis
Pages: 26 - 27
Aim: The sickle cell trait (SCT) is the heterozygous and benign form of the homozygous SC disease (SCD). Although SCT exhibits hemorheological disturbances and increased oxidative stress, its exact role in the development of cardiovascular disease in SCT remains to be determined. The present study sought...
Conference Abstract

P6.8 COMPARISON OF CENTRAL BLOOD PRESSURE ESTIMATED BY UPPER-ARM CUFF-BASED DEVICE WITH RADIAL TONOMETRY

Xiaoqing Peng*, Martin Schultz, Walter Abhayaratna, Michael Stowasser, James Sharman
Pages: 26 - 26
Background: New techniques that measure central blood pressure (BP) using an upper arm cuff-based approach require assessment for performance. The aim of this study was to compare a cuff-based device (CuffCBP) to estimate central BP indices [systolic BP, diastolic BP, pulse pressure (PP), augmentation...
Conference Abstract

P6.7 DETERMINANTS FOR DIFFERENCES IN CENTRAL SYSTOLIC BLOOD PRESSURE CAUSED BY DIFFERENT CALIBRATION METHODS

Christopher Mayer, Martin Bauhofer, Bernhard Hametner, Christoph Schmaderer, Uwe Heemann, Siegfried Wassertheurer*, Marcus Baumann
Pages: 26 - 26
Introduction: There are known issues and ongoing discussions regarding calibration methods using peripheral mean and diastolic or peripheral systolic and diastolic pressure for the determination of central systolic blood pressure. The aim of this cross-sectional study is an analysis of determinants for...
Conference Abstract

P6.6 NITROGLYCERIN IMPROVES SYSTOLIC MYOCARDIAL EFFICIENCY

Haotian Gu*, Henry Fok, Benyu Jiang, Manish Sinha, John Simpson, Phil Chowienczyk
Pages: 26 - 26
Introduction: Nitroglycerin (NTG) has a particularly marked action to reduce augmentation pressure (cAP), attributed to a reduction in timing or amplitude of pressure wave reflection. However, a recent study suggests that cAP is determined in large part by ventricular contraction/relaxation dynamics....
Conference Abstract

P6.5 EFFECTIVENESS OF FACEBOOK FOR PARTICIPANT RECRUITMENT INTO A BLOOD PRESSURE RANDOMISED CONTROLLED CLINICAL TRIAL

Erin Nash*, James Sharman
Pages: 26 - 26
Background: The cost of conventional advertising to recruit participants for clinical trials is expensive and can be ineffective. Social media may be a useful tool to improve participant recruitment. This study evaluated the use of Facebook advertising to recruit participants into a clinical trial. Methods:...

Total System Cost Analysis and Comparison of DX-Tree and Star Ring Architectures in conjunction with Master-Slave Multi-Super-Hypercube topology

Hamid Abachi, Roger Lee
Pages: 26 - 34
In todays advanced technology environment, we come across a number of research areas that require extensive data processing. These areas include but not limited to, modeling and simulation of accuracy, safety and reliability of nuclear weapons, global warming, weather forecasting, DNA computing, nanotechnology,...

A QoS-oriented Web service composition approach based on multi-population genetic algorithm for Internet of things

Qian Li, Runliang Dou, Fuzan Chen, Guofang Nan
Pages: 26 - 34
Internet of things (IoT) will create new opportunities to build applications that better integrate real-time state of the industry. With Web services accomplishing similar function proliferated, industrial enterprises have to choose appropriate Web services according Quality of Service (QoS) properties....