Magnetohydrodynamic (MHD) stability of wendelstein7-X reactor with resistive wall (RWMs)
Published on: 22nd May, 2021
OCLC Number/Unique Identifier: 9124662007
Plasma stability is the biggest challenge facing the nuclear fusion industry. One of the best methods of stability study is magnetohydrodynamic (MHD) equations, which has two linear and nonlinear states. Usually linear stability analysis is used to describe the MHD state, which is obtained by linearizing nonlinear equations. The reactor under study is the W7-X reactor, which is an optimal example of a stellaratoric system.
The question raised in this research is how to create suitable conditions for the formation of plasma and heat transfer produced by the melting reaction. Many efforts have been made in this direction, but still the record holder for plasma state maintenance belongs to the international ITER project and around 1000. However, IPP researchers at the Max Planck Institute in Germany (maker of the W7-X reactor) predicted that by 2020 they would produce a pulse of 30 minutes.
The numerical method is used to investigate the stability of the reactor. In this paper, boundary conditions were expressed in terms of resistance wall. With the help of the mathematical Matlab software, magnetic field values were obtained from experimental reports extracted from the Max Planck Institute for various values of β. From the values obtained, it was concluded that the appropriate field value is β = 5 according to the ideal MagnetoHydroDynamic state and the interval defined by the Max Planck Institute.
COVID-19: A unique opportunity for population health to align with nursing schools to help vulnerable populations at risk of adverse outcomes
Published on: 1st February, 2021
OCLC Number/Unique Identifier: 8913434420
COVID-19 created a public health crisis shutting down many normal day-to-day activities and adversely affecting life, as we know it. Not only did this affect vulnerable, senior populations and people with poorly managed diabetes and hypertension [1-4], it displaced nursing students from clinical experiences putting them at risk of not graduating. Given the projected shortages of RNs in 2030, in California alone of 44,500 FTEs [5], this delay would have added a ripple effect increasing already dire predictions. This displacement created an emergency and with the aid of the Board of Registered Nursing, Assembly Bill 2288 [6] passed allowing student nurse clinical experience requirements to be revised to help meet graduation requirements.
A Time: Philosophy of Science
Published on: 22nd April, 2021
OCLC Number/Unique Identifier: 9026725567
Dear reader, isn’t it time to turn things around and allow TIME to take its rightful place? In a nutshell, I believe Time should be considered as the primary energy that has created the whole material world and governs the continuous changes in it. In my article “An Intelligent Cosmos: Philosophy of Science”, I discuss that this primary creative energy is, more generally, the Dark Energy in our Universe. I believe that Dark Energy probably has a variety of specific manifestations, and I assume that one of those manifestations is Time.
This article is a continuation of my article “An Intelligent Cosmos: Philosophy of Science”
Quantum analysis of sub harmonic generation with two-mode coherent light
Published on: 9th April, 2021
OCLC Number/Unique Identifier: 9026720282
In this work the statistical and squeezing properties of light-driven by sub-harmonic generation with two-mode coherent light are studied. With interaction Hamiltonian of both two-mode coherent and sub harmonic generation, we have driven master equation of system under consideration. From the master equation, the solution of the C-number Langevin equation is derived. It helps us to solve quadrature variance, quadrature squeezing, mean, and variance of photon number for light produced by sub-harmonic generation with the two-mode coherent light state. And the result shows that; the squeezing occurs in plus quadrature with the maximum squeezing of 87%. The photon statistics of the system under consideration is subpoissonian in which both mean & variance are increasing as kappa increase.
Comparative efficacy of inspiratory, expiratory and combined respiratory muscle training on the pulmonary functions and chest expansion in acute stroke survivors
Published on: 16th July, 2021
OCLC Number/Unique Identifier: 9137661170
Background: Respiratory muscle strength can be reduced in patients diagnosed with stroke, which reasonably justifies the use of respiratory muscle training in this population. This study determines the comparative efficacy of inspiratory, expiratory, and combined respiratory muscle training on the pulmonary functions and chest expansion in acute stroke survivors.
Method: Forty-five acute stroke survivors (15 in each group) completed all protocols of the study. Participants were randomly assigned to any one of three groups. In addition to the conventional exercise therapy, participants received any one of the three respiratory muscle training protocols (inspiratory muscle training, expiratory muscle training or combined respiratory muscle training). Chest expansion was assessed using tape measure and pulmonary function parameters were assessed using a spirometer.
Results: Paired t-test analysis showed significant improvements in the chest expansion and the pulmonary function parameters following training in each group. One-way ANOVA showed significant improvements in the pulmonary function parameters across the three groups but not in the chest expansion with p - value = 0.405. Least significant difference (LSD), post-hoc analysis shows that the significant difference for FEV1, FVC and FEV1/FVC lies between inspiratory muscle training group and expiratory muscle training group.
Conclusion: When the three training methods were compared, it was found that expiratory muscle training was the most beneficial in improving the pulmonary functions and chest expansion in acute stroke survivors.
Tunable induced transparency and Fano-resonance in double cavity optomechanical system
Published on: 7th April, 2021
OCLC Number/Unique Identifier: 9026724935
We analyze optomechanically induced Transparency and asymmetric Fano-line shape Profile in a two-mode cavity system, coupling at weak and strong coupling regimes. The model system consists of one mechanical mode and two optical modes. The transmission shows nonreciprocal behavior. Both the forward transmission and backward reflection for the system are analyzed for both optic-optic and mechanical-optic cavities by considering various system parameters. The output spectra lead to sharp asymmetric Fano-resonance and tunable transparency. Double line-shape profile is observed in the output Spectrum. Our proposal provides a new platform for application in quantum telecommunications and a photonic device like optical Switches.
Obesity may contribute to Japanese COVID-19 death rate
Published on: 22nd December, 2020
OCLC Number/Unique Identifier: 8872658812
Japan enjoys the longest expectation of life at birth among major developed countries, and one possible reason for this is that obesity is rare in Japan. Further, COVID-19 death rate is extremely low in South Korea and Japan compared to the other developed countries, and low obesity rate may be related to this phenomenon.
Prospective study of pain and psychological symptoms of first-year university students
Published on: 10th February, 2021
OCLC Number/Unique Identifier: 8920586207
Background: Even if pain and psychological symptoms experienced by university students are common, the prognosis of these symptoms is unknown.
Objective: To examine the incidence and the outcome of frequent musculoskeletal and psychological symptoms in a 4-year follow-up of first-year university students.
Methods: In 2008, a national random sample (N=2750) of Finnish university students completed a questionnaire concerning pain and psychological symptoms. Of the 416 first-year students, 123 responded to the same questionnaire also in their fourth study year in 2012.
Results: Of the first-year university students with frequent pain or psychological symptoms, one half (47% - 65%) reported frequent symptoms also four years later. Almost all (78% – 95%) of the symptom-free first-year students were symptom-free also in their fourth study year.
Conclusion: Our findings indicate that pain and psychological symptoms in university students are rather persistent during the first four study years. On the other hand, as half of those with frequent symptoms become symptomless and as the prognosis of symptom-free students is favourable, there is still need for further cohort studies on this issue.
Nurse as a court expert in Poland
Published on: 14th December, 2020
OCLC Number/Unique Identifier: 8872697151
The nurse in Poland may have a secondary level of education (secondary school or post-secondary) or high level (BSc and MSc). She can have a specialization of one the parts of medicine. After the MSc studies she can take the doctor’s degree. But we must take as a fact that with the high level of education and specialization she can be the Court Expert i.e. in nursing anesthesiology, intensive therapy, nursing first aid, palliative medicine as well as in many other cases. As about nursing we should remember that woman and man can practice this specific profession [1].
StatesCare–The Cure for “Patient” Healthcare
Published on: 20th October, 2020
OCLC Number/Unique Identifier: 8691717864
Fifty years of Washington’s fixes for healthcare have brought us to the brink: insurance is unaffordable and care is unavailable, certainly not in time. The way to make healthcare work for We the Patients (all Americans) is to take healthcare authority away from third-parties – government and insurance – and restore the direct doctor-patient connection with no bureaucrat in between. The cure for patient Healthcare is StatesCare combined with market-based medicine. Financial models confirm this approach will make care both affordable and accessible in a timely manner.
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