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By use of nonlinearization method about spectral problem, a classical completely integrable system associated with the Harry-Dym (HD) hierarchy is obtained. Furthermore, the involutive solution of each equation in the HD hierarchy is presented, in particular, the involutive solution of the well-known...

In this paper, we give a proof of the existence of stationary dark soliton solutions of the cubic nonlinear Schrödinger equation with periodic inhomogeneous nonlinearity, together with an analytical example of a dark soliton.

The amount of combustible material is the primary factor which influences the occurrence and developing of fire. From analyzing the field survey data during the six months of the whole seasons of withered grass in Xilinguole, we obtained the different types grassland dynamic changing rates, which include...

The black swan event has the characteristics of rarity and serious consequences. At present, the analysis of black swan events is generally preconceived (that is, the event is assumed to be a black swan event, and then the influence of the event is discussed), or whether it is a black swan event is directly...

This paper offers a systematic review of research in the emerging field of sport analytics, which is receiving increasing attention in practice and research circles. The purpose of this study is to understand the state of research on application of sport analytics and its emerging sub-fields in business....

It is a fortunate paradox that research motivated simply by a wish to better understand the natural world can later result in the most powerful applications imaginable. By definition, the outcome of any research is unknown until the research is finished. The outcomes are even less predictable at the...

Background: Patients with COPD have increased Cardiovascular (CV) risk and commonly present with altered body composition. Patients with COPD and a low BMI have poorer health outcomes1, while obesity may increase CV risk2. The aim of this analysis was to explore BMI, CV risk, exercise capacity and systemic...

Vascular stiffening and calcification are hallmarks of ageing and these pathologies are accelerated in patients with diabetes and renal failure. Emerging evidence has defined a role for nuclear lamina defects and the DNA damage response in driving vascular calcification. The mechanisms responsible are...

Background: Early stages of chronic obstructive pulmonary disease (COPD) are characterized by loss of the terminal bronchioles and ‘air trapping’ often before overt emphysema manifests (1). COPD patients are also at risk for cardiovascular disease (CVD), therefore, we hypothesized that the degree of...

Objective: To assess the associations with hypertensive target organ damage (TOD) of sleep SBP assessed by self-measured home blood pressure monitoring (HBPM) and ambulatory blood pressure monitoring (ABPM). Methods: Data of 1008 participants in the J-HOP study who measured sleep BP using both HBPM,...

Background: Nitric oxide (NO) and epoxyeicosatrienoic acids (EETs) regulate arterial wall viscosity (AWV) in young subjects (1). During hypertension, characterised by a decrease in endothelium-derived NO and an early disappearance of EETs, AWV is not modified (2,3). We compared the role of NO and EETs...

Background: COPD is one of the leading causes of mortality worldwide. Systemic low-grade inflammation is a common finding in COPD. Soluble urokinase-type plasminogen activator receptor (suPAR) indicates an inflammatory state and it has an association with atherosclerosis and cardiovascular disease (CVD)....

Rational: Cardiovascular diseases represent the main cause of morbidity and mortality throughout the world (1). Arterial stiffness has shown to be an important predictor of cardiovascular events, and pulse wave velocity (PWV) is a marker of subclinical organ damage which can be measured by different...

Our previous study in young spontaneously hypertensive rats (SHR) confirmed a participation of nitric oxide (NO) and hydrogen sulphide (H2S) in probably inherent adaptive strategy of conduit arteries in condition of sustained hypertension. The aim of study was to confirm or refuse the compensatory mechanisms...

Background: Patients with psoriatic arthritis are at high cardiovascular risk. Marine n-3 polyunsaturated fatty acids (PUFA) may reduce the incidence of cardiovascular disease. The aim of this study was to investigate the effect of marine n-3 PUFA on cardiac autonomic function and vascular function in...

The analogies between the risks carried by entities and the physical loads affecting building and engineering structures can be applied in the studies of risks forming groups arranged according to specified definitions. Four classes of relations among risks belonging to a particular hazard are to be...

We consider the markdown optimization problem faced by the leading apparel retail chain. Because of substitution among products the markdown policy of one product affects the sales of other products. Therefore, markdown policies for product groups having a significant crossprice elasticity among each...

This paper presents a robot swarm model to enclose a target. The robots use information of the target and each of their neighbors. Every robot has its own, standard torch-like signal emitter and they can observe the sum of the intensity of their torches. In this paper, the robots identify their nearest...

Indigenous peoples are being marginalised globally from a socioeconomic perspective and are often excluded from mainstream communities for social and/or geographic reasons. Historically, they tend to have lower living standards, including poor health conditions as compared to the rest of the population....

In this paper we give a brief review of the recent results obtained by the author and his co-authors for description of three-dimensional vortical incompressible flows in the hydrodynamic type systems. For such flows we introduce a new mixed LagrangiaEulerian description - the so called vortex line representation...

Integrable dispersionless Kadomtsev-Petviashvili (KP) hierarchy of B type is consiered. Addition formula for the -function and conformally invariant equations for the dispersionless BKP (dBKP) hierarchy are derived. Symmetry constraints for the dBKP hierarchy are studied.

Background/objective: Pregnant women experience a myriad of physiological and metabolic changes that affect different organ systems in the body. Cutaneous and appendageal alterations that manifest during pregnancy are largely modulated by hormonal, immunologic, and metabolic factors. Detailed reports...

Two cases of hydatid cyst were reported in the Microbiology department, Siddartha Medical College in 2011. 42 year old female presented with a history of painless swelling in the right inguinal region for 5 years which was insidious in onset and gradually increasing in size. She developed itching prior...

This paper designs a PID control system based on the BP neural network. The control system can adjust three adjustable parameters of PID controller through BP neural network algorithm. The main steam temperature control system of the thermal power plant was taken as the object, and simulation analysis...

Brain tissue segmentation is one of the most important parts of clinical diagnostic tools. Fuzzy C-mean (FCM) is one of the most popular clustering based segmentation methods. However FCM does not robust against noise and artifacts such as partial volume effect (PVE) and inhomogeneity. In this paper,...

Background: Reduction in central arterial compliance is an independent risk factor for cardiovascular disease, and is caused by high-intensity resistance training. The thromboxane has both potent vasoconstrictive and platelet aggregation effects, and is associated with cardiovascular diseases. However,...

Introduction: Although pulse wave velocity (PWV), a proxy of arterial stiffness, is a strong predictor of cardiovascular complications, it is confounded by blood pressure (BP) and heart rate at the time of examination. Furthermore, establishing whether an artery behaves stiffer or less stiff does not...

Digital Spiking Silicon Neuron (DSSN) model is a qualitative neuron model specifically designed for efficient digital circuit implementation which exhibits high biological plausibility. In this study we analyzed the behavior of an autoassociative memory composed of 3-variable DSSN model which has a slow...

Starting from any representation of the Lie algebra ℊ on the finite dimensional vector space V we can construct the representation on the space Aut(V ). These representations are of the type of ad. That is one of the reasons, why it is important to study the adjoint representation of the Lie algebra...

Purpose/Background/Objectives: Proprotein convertase subtilisin/kexin type 9 (PCSK9) levels are modestly but significantly associated with increased risk of total cardiovascular events. Aortic stiffness and wave reflections are also important predictors of cardiovascular events. The aim of this pilot...

Background and objectives: From the literature it is evident that increased oxidative stress is integral in the development of cardiovascular disease. We therefore aimed to compare glutathione peroxidase (GPx) and glutathione reductase (GR) activity between black and white Africans, and to investigate...

Background: Recent studies suggests cerebrovascular dysfunction precedes amyloid deposition and cognitive impairment in Alzheimer’s disease (AD). However, if functional impairments in the hippocampus, as evidenced by reduced hippocampal cerebral blood flow (CBF) during memory stimulation and cerebrovascular...

Background: Molecular pathways leading to stiffening of the central arteries are poorly understood. We searched for differentially expressed proteins by urinary peptidomic analysis in patients with arterial stiffness and healthy controls in a case–control study. Methods: To identify urinary peptides...

Background: Retinal microvascular function can be assessed using flicker light induced provocation (FLIP). Reduced vessel dilation responses to FLIP are noted in various disease conditions. Comparative studies between ethnic groups are scarce, while the importance of different phases of the vessel responses...

Western societies are aging due to an increasing life span, decreased birth rates, and improving social and health conditions. On the other hand, the prevalence of cardiovascular (CV) and cerebrovascular (CBV) diseases rises with age. Thus, in view of the ongoing aging pandemic, it is appropriate to...

The effects of the selective angiotensin AT2 receptor agonist, compound 21 (C21), on abdominal aortic aneurysm (AAA) formation were investigated in normotensive Wistar rats. AAA was induced by perfusion of isolated aortic segments with elastase (Anidjar/Dobrin model). Treatment with C21 (0.03 and 0.3...

Background: Arterial stiffness and large artery function are independent risk factors for cardiovascular disease.(1) Individuals with Down Syndrome (DS) have autonomic dysfunction and known to have lower incidence of cardiovascular disease.(2) Limited literatures showed no difference in arterial stiffness...

The coagulation takes place in the physiological system of hemostasis. Hemostasis is known to be disturbed in many diseases leading to hemorrhages or thrombosis. Despite the role of coagulation in hemostasis, recent evidence suggest that coagulation factors are involved in other physiological as well...

Objectives: Reduced deformability of red blood cells (RBC) plays an important role in etiology of various diseases including cardiovascular. The nitric oxide (NO) was identified as one of factors responsible for maintenance of RBC deformability. Reduced bioavailability of NO might be important in the...

Background: Reported cardiovascular autonomic dysfunction (CAD) prevalence in Multiple Sclerosis (MS) varies between studies. As CAD lowers quality of life and may contribute to sudden death in MS, early CAD detection may assist treatment and risk identification. Methods: In 23 MS patients and age and...