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Search results for: UNDERWATER PRESSURE CALCULATION
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Primary cardiovascular prevention by Mediterranean diet – The PREDIMED trial
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An appropriate SCORE to assess cardiovascular risk in hypertension?
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Reappraisal of European guidelines on hypertension management: a European Society of Hypertension Task Force document
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EDITORIALHypertension and cardiovascular disease: Is arterial stiffness the heart of the matter?
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Renal nerve ablation: Emerging role in therapeutics
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Angiotensin receptor - neprilysin inhibiton (ARNI) – A novel therapeutic concept for management of hypertension and heart failure
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Should we treat prehypertension?
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ESH statement on detection and punishment of abstract fraud and poster plagiarism
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Increased Urinary C-Peptide and Albumin Excretion in Juvenile Borderline Hypertensives
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Survey of patient and physician assessment of a compliance reminder device in the treatment of hypertension
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Smoking is associated with chronic sympathetic activation in hypertension
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Medical decision making in hypertension
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2013 ESH/ESC Guidelines for the management of arterial hypertension
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Documentation of endpoint prevention with combination therapy in hypertension is urgently needed
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2013 European Society of Hypertension/European Society of Cardiology Hypertension Guidelines
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SCORE model underestimates cardiovascular risk in hypertensive patients: Results of the Polish Hypertension Registry
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Awareness of hypertension guidelines in primary healthcare in Poland
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Beta‐blockers as sub‐optimal treatment for hypertension: Time for first‐line therapy revision?
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The question of whether diabetes and its cardiovascular risks can be prevented: A realistic DREAM?
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State of global health – hypertension burden and control
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Cardiovascular risks in HIV patients
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Impact of abdominal obesity on the frequency of hypertension and cardiovascular disease in Poland – Results from the IDEA study (International Day for the Evaluation of Abdominal Obesity)
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Hypertension and cardiovascular disease in women: Progress towards better understanding of gender‐specific differences?
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ASCOT – More than a horse race!
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The surge of Japanese studies supporting the use of angiotensin receptor blockers in hypertension
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Does GISSI-AF change the concept of using RAS inhibitors in the primary prevention of atrial fibrillation in hypertensive patients?
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The J-curve phenomenon revisited
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Hypertension research into the new millennium
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Characterization of insomnia in patients with essential hypertension
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Increased time varying heart rate and cardiovascular risk in hypertension – Benefit of selective I(f)channel inhibitor?
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Is smoking a causative factor of hypertension?
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Direct renin inhibitors in hypertension – Approaching the moment of truth
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An American TROPHY in the prevention of hypertension
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Daytime, home and office blood pressures in treated hypertensive patients according to accretion of cardiovascular risk
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Benefits of hypertension management in diabetes: An opportunity not to be missed
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New ESH/ESC Guidelines Signal Progress in Hypertension Management
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RAAS inhibition – a practice of medical progress
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Combination treatment in hypertension – the latest 2013 European Guidelines
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Heightened acute circulatory responses to smoking in women
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Effect of Some Sulphur Additives on The Degradation of 9Cr-1Mo Steel After Its 10 Years Service in The CCR Platforming Unit
PublicationThe work shows the results of the tests of 9Cr-1Mo steel, which was for 10 years operated in the CCR platforming unit in Group Lotos SA in Gdańsk, and then in the laboratory was sulphidised during 166 h at a temperature of 600 °C. Sulphidation was performed in a mixture of H2-H2S gases at the vapour pressure of sulphur 4.1·10-14 atm, so the order of magnitude of vapour pressure was less than that of the dissociation pressure of...
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Exergy analysis of a negative CO2 emission gas power plant based on water oxy-combustion of syngas from sewage sludge gasification and CCS
PublicationA power cycle with water-injected oxy-combustion (water cycle) is investigated by exergy analysis. It is fueled with syngas (aka. producer gas) from gasification of sewage sludge. The cycle is equipped with a spray-ejector condenser (SEC). CO2 is separated and compressed for transportation and storage. The net delivered electric power is 31% of the fuel exergy. The task efficiency is 39% when the flue gas bleed to gasification...
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Przegląd metod wyznaczania parcia mieszanki betonowej na deskowanie
PublicationW pracy poruszono tematykę wyznaczania parcia mieszanki betonowej na deskowanie. Zebrano i opisano wybrane cztery modele stosowane do wyznaczania rozkładu ciśnienia poziomego świeżej mieszanki betonowej oddziaływującej na deskowanie. Dokonano krótkiego przeglądu literatury z zakresu omawianej tematyki parcia mieszanki betonowej na deskowanie.
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The geodetic monitoring of the engineering structure – a practical solution of the problem in 3D space
PublicationThe study raises the issues concerning the automatic system designed for the monitoring of movement of controlled points, located on the roof covering of the Forest Opera in Sopot. It presents the calculation algorithm proposed by authors. It takes into account the specific design and location of the test object. High forest stand makes it difficult to use distant reference points. Hence the reference points used to study the stability...
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Compact High Efficiency and Zero-Emission Gas-Fired Power Plant with Oxy-Combustion and Carbon Capture
PublicationReduction of greenhouse gases emissions is a key challenge for the power generation industry, requiring the implementation of new designs and methods of electricity generation. This article presents a design solution for a novel thermodynamic cycle with two new devices—namely, a wet combustion chamber and a spray-ejector condenser. In the proposed cycle, high temperature occurs in the combustion chamber because of fuel combustion...
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Application of Feed Forward Neural Networks for Modeling of Heat Transfer Coefficient During Flow Condensation for Low and High Values of Saturation Temperatur
PublicationMost of the literature models for condensation heat transfer prediction are based on specific experimental parameters and are not general in nature for applications to fluids and non-experimental thermodynamic conditions. Nearly all correlations are created to predict data in normal HVAC conditions below 40°C. High temperature heat pumps operate at much higher parameters. This paper aims to create a general model for the calculation...
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A Concept for Safe and Less Expensive Acceleration of a Marine Steam Turbine Start-up
PublicationThis paper analyses the issue of accelerated start-up of a marine steam turbine, which is an important problem because the start-up of a steam machine involves the combustion of fuel that is not transformed into useful energy. To find novel technologies that offer improvements in this aspect is essential due to restrictions on reducing ship emissions. Thus, the shorter the start-up time, the better for the environment and economy....
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Method of determining the degree of liquid aeration in a variable capacity displacement pump
PublicationThe Author concludes, that there is a possibility of determining a concrete value of the liquid aeration coefficient during the pump operation by finding such value of coefficient with which the increase of torque of mechanical losses is proportional to the indicated torque determined with a fixed value of increase of pressure in the pump working chambers. The fixed value of increase of pressure assumed in searching the liquid...
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Analysis of unsteady flow forces on the thermowell of steam temperature sensor
PublicationIn this paper, 3D numerical analysis of unsteady flow forces acting on the measuring sheath of steam temperature is presented. According to that purpose, the CFD (Computation Fluid Dynamic [1]) approach has been used. The nonstationary of fluid acting on the measuring sheath such as: Strouhal frequency, amplitude of pressure, structure of vortex, peak of pressure, field of pressure, field of velocity etc. are studied analytically...
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Standing Waves in One-Dimensional Resonator Contaning an Ideal Isothermal Gas Affected by the Constant Mass Force
PublicationThe study is devoted to standing acoustic waves in one-dimensional planar resonator which containing an ideal gas. A gas is affected by the constant mass force. Two types of physically justified boundary conditions are considered: zero velocity or zero excess pressure at both boundaries. The variety of nodal and antinodal points is determined. The conclusion is that the nodes of pressure and antinodes of velocity do not longer...
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The process of identification of the track's geometrical layout and the alignment project based on the of satellite measurements
PublicationIn the paper a methodology of restoring of railway track’s geometrical shape in a horizontal plane on the base of conducted mobile satellite surveying was presented. The authors proposed a calculating algorithm for designing the track sections placed in horizontal arcs. In the algorithm an analytical methodology with mathematical formulas is applied. The procedure has an universal character, i.e. provides the possibility of varying...