Energetic, Rigorous and Uneven Style in Metaphysical Poetry

Metaphysical poetry is a genre of poetry that deals with deep and profound subjects like spirituality religion etc It s a really heady kind of poetry that shows the world in a new light There are many unanswered questions raised The best examples of metaphysical poetry force the reader to question the very nature of reality itself Its imagery humour and absurdity transport the reader to a fantastical realm where new insights might be gained The final point is that metaphysical poetry requires a precise and rigorous approach to language due to the usage of sophisticated philosophical concepts and religious topics The poet has to be able to express these high-level concepts eloquently and precisely using language and grammar that leaves no room for misunderstanding Overall the ability to explain complicated concepts clearly and coherently through a rigorous style is crucial for successful metaphysical poetr

Impact of the patient torso model on the solution of the inverse problem of electrocardiography

Cardiac diagnostics based on a solution of the inverse problem of electrocardiography offers new tools for visual assessment of cardiac ischemia. The accuracy of the inverse solution is influenced by fidelity of the patient torso model. As optimum, an individual torso model with real heart shape and position obtained from CT or MRI is desirable. However, imaging is not always available in clinical practice, hence we investigated, if a generic torso shape individually adjusted according to patient†s chest dimensions, with a simplified heart model placed to a vertical position obtained from inverse localization of the early ventricular activation can result in an inverse solution close to the result obtained with an accurate torso model. Simulated inverse localization of 18 ischemic lesions for 9 subjects showed that the use of individually adjusted generic torso instead of real torso shape led to an acceptable increase of the lesion localization error from 0.7±0.7 cm to 1.1±0.7 cm when accurate heart model was used. However, if simplified heart model was used and placed in a vertical position according to the V2 lead level, the lesion localization error increased to 3.5±0.9 cm. Moving the simplified heart model to a position estimated by the inverse solution decreased the vertical heart positioning error from 1.6±2.3 cm to 0.2±1.2 cm but without adjusting the heart shape and rotation the lesion localization error did not improve and reached 3.7±1.0 cm

IMPACT OF THE TORSO MODEL ON THE INVERSE LOCALIZATION OF ISCHEMIA

In this simulation study the accuracy of the inverse localization of an ischemic lesion was investigated if a patientadjusted general torso model and four different approximate heart models were used. Surface ECGs were simulated by a normal heart and by hearts with 18 different ischemic lesions in 7 realistic torso models. Position of each lesion represented by a single dipole was then searched by an inverse solution. Difference QRST integral maps reflecting differences between cardioelectric fields of the ischemic and normal hearts were used. With a standard heart model the mean error of the lesion localization was 3.4 cm. With a standard heart model shifted to an inversely estimated position this error was 3.9 cm, for an equally shifted and properly formed and rotated heart model the error was 2.4 cm and for a heart model properly shifted, formed and rotated the error was 1.1 cm. If realistic CT or MRI-based torso model was used the lesion localization error was 0.7 cm. From the results it can be concluded that use of adjusted standard torso model with properly positioned and formed standard heart model can lead to acceptable accuracy of the inverse localization of an ischemic lesion

Experimental Measurements of Hot Water Stratification in a Heat Storage Tank in Laboratory Conditions

The paper focuses on the experimental measurement of the accumulation of hot water storage with its thermal stratificational thermal layers by means created of elementary conical elements. The basic principle of these elements is the automatic distribution of water temperatures according to temperature and volume flow for a specified time of storage of heat energy. This process involves maintaining the thermal stratification at different height levels of the storage tank, which minimizes the process of balancing the hot water. The aim of the experiments was to demonstrate the thermal energy layering in the 1050 l water storage accumulator in 1 hour depending on the different water flow rates from 250 to 1000 l/h from the heat source

Electrochemical Behavior of Quinoxalin-2-one Derivatives at Mercury Electrodes and Its Analytical Use

Derivatives of quinoxalin-2-one are interesting compounds with potential pharmacological activity. From this point of view, understanding of their electrochemical behavior is of great importance. In the present paper, a mechanism of electrochemical reduction of quinoxalin-2-one derivatives at mercury dropping electrode was proposed. Pyrazine ring was found to be the main electroactive center undergoing a pH-dependent two-electron reduction process. The molecule protonization of nitrogen in the position 4 precedes the electron acceptance forming a semiquinone radical intermediate which is relatively stable in acidic solutions. Its further reduction is manifested by separated current signal. A positive mesomeric effect of the nonprotonized amino group in the position 7 of the derivative III accelerates the semiquinone reduction yielding a single current wave. The suggested reaction mechanism was verified by means of direct current polarography, differential pulse, cyclic and elimination voltammetry, and coulometry with subsequent GC/MS analysis. The understanding of the mechanism was applied in developing of analytical method for the determination of the studied compounds

VISUAL POLLUTION CAN HAVE A DEEP DEGRADING EFFECT ON URBAN AND SUBURBAN COMMUNITY: A STUDY IN FEW PLACES OF BENGAL, INDIA, WITH SPECIAL REFERENCE TO UNORGANIZED BILLBOARDS

When we look around, our first impression of any environment is the visual environment. This is a conglomeration of some constructed forms intermingled with the natural surroundings. In recent times, the term pollution signifies an inclusion of those affecting in a subtle way such as visual pollution. This kind of pollution affects the overall well-being and thus the quality of life of a community, reduces aesthetic appeal, economic health and civic-sense. This may incite a psychological aversion and thus affect mental and physical health of neighbouring residents. Visual pollution, thus, may be defined as the whole of irregular formations, represents unorganized dumping of litters, billboards, cables, wires, worn-out buildings, heaped construction materials, graffiti etc. that affects a person’s ability to enjoy a view or vista. This work aims at drawing attention to the hazardous and penetrating effects of the visual pollutants with special reference to unorganized billboards and to make realize that the visual environment is no less significant a part of the fabric of communities as clean water or air and animal habitat. Different places of Kolkata (South and North) and of Barrackpore and Barasat of 24-Paraganas (N) district, West-Bengal, India, were explored for abundance of visual pollutants, especially the ubiquitous billboards appearing like ghosts all around the cities and townships. Possibilities of some associated hazards were observed too. A comparison was done between areas that were visually pleasant and unpleasant. The psyche of people was followed and their innate instinct regarding visual quality of an environment was asked. The social civility and the behavior of people around solid waste were observed. It was found that in the cityscape visual pollutants were omnipresent, billboards misarranged, torn, with bare skeletons looming large in almost all nook and corner. They were found in residential areas as well as in front of social institutions like school, hospital, church, and temple. This unsightly presence creates deep displeasure, aesthetic-appeal, thus civic sense, aesthetic appeal of the community declines and hence psychological health is bound to be affected. This is compounded with indispensible apprehension of general health hazards of different dimensions including diseases and problems like asthma, diarrohoea etc around solid waste, cause infection to animals hovering around it, driver’s problem, missing of traffic signal by dazzling billboards, health problems caused by magnetic-field around cables, may create a short-circuit problem which may be extremely dangerous on water-logged roads. Some birds get electrocuted often due to exposed cables. The most vital aspect is, since this type of pollution is an aesthetic issue and have not been paid heed to earlier, hence the impact of its effect on society as a whole have remained largely undocumented. There is no denial of the fact that the sight of a beautiful natural environment stimulates human beings, soothes their soul. Conversely, the ugly sight triggers irritability. Children growing up in its vicinity get used to it losing their ability to understand the need for correcting it. This results in character-changing effects, the unique identity of the community is homogenized and entire life-style is deteriorated

VISUAL POLLUTION CAN HAVE A DEEP DEGRADING EFFECT ON URBAN AND SUBURBAN COMMUNITY: A STUDY IN FEW PLACES OF BENGAL, INDIA, WITH SPECIAL REFERENCE TO UNORGANIZED BILLBOARDS

When we look around, our first impression of any environment is the visual environment. This is a conglomeration of some constructed forms intermingled with the natural surroundings. In recent times, the term pollution signifies an inclusion of those affecting in a subtle way such as visual pollution. This kind of pollution affects the overall well-being and thus the quality of life of a community, reduces aesthetic appeal, economic health and civic-sense. This may incite a psychological aversion and thus affect mental and physical health of neighbouring residents. Visual pollution, thus, may be defined as the whole of irregular formations, represents unorganized dumping of litters, billboards, cables, wires, worn-out buildings, heaped construction materials, graffiti etc. that affects a person’s ability to enjoy a view or vista. This work aims at drawing attention to the hazardous and penetrating effects of the visual pollutants with special reference to unorganized billboards and to make realize that the visual environment is no less significant a part of the fabric of communities as clean water or air and animal habitat. Different places of Kolkata (South and North) and of Barrackpore and Barasat of 24-Paraganas (N) district, West-Bengal, India, were explored for abundance of visual pollutants, especially the ubiquitous billboards appearing like ghosts all around the cities and townships. Possibilities of some associated hazards were observed too. A comparison was done between areas that were visually pleasant and unpleasant. The psyche of people was followed and their innate instinct regarding visual quality of an environment was asked. The social civility and the behavior of people around solid waste were observed. It was found that in the cityscape visual pollutants were omnipresent, billboards misarranged, torn, with bare skeletons looming large in almost all nook and corner. They were found in residential areas as well as in front of social institutions like school, hospital, church, and temple. This unsightly presence creates deep displeasure, aesthetic-appeal, thus civic sense, aesthetic appeal of the community declines and hence psychological health is bound to be affected. This is compounded with indispensible apprehension of general health hazards of different dimensions including diseases and problems like asthma, diarrohoea etc around solid waste, cause infection to animals hovering around it, driver’s problem, missing of traffic signal by dazzling billboards, health problems caused by magnetic-field around cables, may create a short-circuit problem which may be extremely dangerous on water-logged roads. Some birds get electrocuted often due to exposed cables. The most vital aspect is, since this type of pollution is an aesthetic issue and have not been paid heed to earlier, hence the impact of its effect on society as a whole have remained largely undocumented. There is no denial of the fact that the sight of a beautiful natural environment stimulates human beings, soothes their soul. Conversely, the ugly sight triggers irritability. Children growing up in its vicinity get used to it losing their ability to understand the need for correcting it. This results in character-changing effects, the unique identity of the community is homogenized and entire life-style is deteriorated

Comparison of numerical modelling of degradation sechanisms in single mode optical fibre using MATLAB and VPIphotonics

Mathematical models for description of physical phenomena often use the statistical description of the individual phenomena and solve those using suitable methods. If we want to develop numerical model of optical communication system based on transmission through single mode optical fibres, we need to consider whole series of phenomena that affect various parts of the system. In the single-mode optical fibre we often encounter influence of chromatic dispersion and nonlinear Kerr effects. By observing various different degradation mechanisms, every numerical model should have its own limits, which fulfil more detailed specification. It is inevitable to consider them in evaluation. In this paper, we focus on numerical modelling of degradation mechanisms in single-mode optical fibre. Numerical solution of non-linear Schroedinger equation is performed by finite difference method applied in MATLAB environment and split-step Fourier method, which is implemented by VPIphotonics software