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    Wyświetlanie 1-11 z 11
    Tytuł:
    New Particle Mechanics with Negative Mass
    Autorzy:
    Golovkin, B. G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1075469.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    equivalence principle
    gravitational mass
    inertial mass
    negaons
    negative mass
    negatons
    positons
    Opis:
    A new mechanics of physical objects with negative mass is proposed. Their properties are explained by the positive inertia of any body with a mass of any sign. Accordingly, the principle of equivalence of inert and gravitational masses has been adjusted. Particles of negative mass repel each other from bodies with a positive mass and attract each other, forming huge islands of negative matter. Such particles are called negaons. The energy and temperature of the negaons are negative.
    Źródło:
    World Scientific News; 2019, 126; 283-290
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stirling numbers with negative indices
    Autorzy:
    Yaljá Montiel-Pérez, J.
    López-Bonilla, J.
    Vidal-Beltrán, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1177734.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Gould and Schläfli formulas
    Stirling numbers
    Opis:
    We realize applications of expressions for Stirling numbers with negative indices, in particular, we show that the formulas of Zhi-Hong Sun are consequences of the known identities of Schläfli and Gould.
    Źródło:
    World Scientific News; 2018, 101; 217-221
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Contemporary storytelling: can writing about negative experiences regarding chronic disease be a way of therapy?
    Autorzy:
    Osowiecka, Małgorzata
    Błajet-Grabowska, Monika
    Powiązania:
    https://bibliotekanauki.pl/articles/1178900.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Chronic disease
    blog
    cancer
    coping with
    expressive writing
    Opis:
    Chronic disease is often connected with huge dose of uncertainty. Some sick people suffer from isolation from family and lack of other intimate relationships. Patients struggling with chronic disease seek variety forms of support. One form of coping with a chronic illness is writing about emotions. The main contribution of this article is to present selected forms of coping with chronic disease through expressive writing. Writing a blog is an increasingly popular way of describing patient’s experiences of cancer. It allows patients to express negative emotions such sadness, guilt and loneliness without speaking aloud. We analyzed hundreds of blogs written by women with cancer on most popular websites in Poland in 2016 year. Very important for patients with chronic disease is how they talk about illness and how they treat it. The growing importance of blogging, as well as the increasing availability of various forms of blogging motivate people to try blogging as a way of coping with cancer. It is becoming increasingly a real treatment for cancer patients.
    Źródło:
    World Scientific News; 2017, 89; 120-125
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Negative pressure wound therapy - case report
    Autorzy:
    Baliś, Mikołaj
    Barbachowska, Aleksandra
    Krzanik, Klaudia
    Witek, Łukasz
    Bodzek, Piotr
    Olejek, Anita
    Powiązania:
    https://bibliotekanauki.pl/articles/1177821.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Complex wound failure
    mesh-mediated fascial traction
    ovarian cancer
    vacuum dressing
    Opis:
    The postoperative wound dehiscence is a rare complication of surgical procedures. It is more common among geriatric patients and those undergoing chemotherapy. A more frequent complication is a postoperative bowel obstruction, which also occurred in the presented case. One of the advanced therapeutic techniques in wound infections and complex wound failure (CWF) is the use of negative pressure on the wound surface to improve healing. It is sometimes combined with implantation of monofilament mesh to reconstruct the abdominal wall. A 76-year-old woman diagnosed with ovarian cancer (IV FIGO stage), after chemotherapy, was referred to the Department of Obstetrics, Gynecology and Oncological Gynecology in Bytom for surgical treatment. Postoperative course was complicated by intestinal obstruction and abnormal wound healing with extensive necrosis and fascial dehiscence. Patient required multiple relaparotomies with wound revisions, during which vacuum dressing and monofilament, polypropylene mesh filling the gap in the fascia were implanted. At intervals of 3-4 days, the wound was examined and the dressing was replaced. The mesh was gradually cut, what allowed to bring the fascia edges closer together. During the tenth intervention, the dressing was removed and the skin was sewn. The case illustrates that the combination of using non-absorbable synthetic materials and vacuum assisted closure therapy is highly effective in the treatment of complex wound failures with extensive dehiscence of abdominal wall. The gradual cutting technique of the implantation mesh allows the fascia edges to completely close the wound.
    Źródło:
    World Scientific News; 2018, 99; 215-221
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Review on Negative Impacts of Livestock Production on Climate Change and Its Mitigation Strategies: A Global Issue
    Autorzy:
    Bekuma, Amanuel
    Tadesse, Tekalign
    Galmessa, Ulfina
    Powiązania:
    https://bibliotekanauki.pl/articles/1076562.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Climate Change
    Green House Gases
    Livestock
    Mitigation Strategies
    Opis:
    Livestock are reared throughout the world, and are an important agricultural product in virtually every country. This animal production systems and climate change are inter-related via complex mechanisms. Animal production influences climate change by emitting greenhouse gases such as methane and nitrous oxide. It is estimated to be the livestock sector is contributing a significant share of global GHG emissions, accounting for approximately two-thirds of direct agricultural emissions and about 14.5 percent of total human-induced emissions when supply chains are considered. Therefore, globally, there is an urgent need to reduce the greenhouse gas (GHG) emissions that cause climate change by at least 80 per cent in wealthy countries and to protect the biodiversity which underpins food production. Dietary manipulation, ionophores, bacteriocins, covered anaerobic digesters, awareness creation and intensifying research and development are among the applicable methane mitigation strategies. Moreover, research bodies are also organizing to deliver findings at an international level; which focuses on the identification and development of technologies and practices to increase food production without increasing green house gases emissions.
    Źródło:
    World Scientific News; 2019, 115; 218-228
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis, characterization and antimicrobial activity of pyrazolo chalcone compounds
    Autorzy:
    Hirapara, Asmita V.
    Baluja, Shipra H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1076569.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Dimethyl sulphoxide
    Fungai
    Gram negative bacteria
    Gram positive bacteria
    N
    N-dimethyl formamide
    Pyrazolo chalcone compounds
    Opis:
    Some new pyrazolo chalcone compounds were synthesized and their structure characterization was done by spectroscopic techniques such as FT-IR, 1H NMR and mass. Screenings of all these synthesized compounds were done in vitro against some bacterial and fungal strains in dimethyl sulphoxide and N,N-dimethyl formamide using agar well diffusion method. It is observed that N,N-dimethyl formamide is good solvent for these compounds in selected strains.
    Źródło:
    World Scientific News; 2019, 115; 242-259
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Acoustic cylindrical cloak
    Autorzy:
    Premarathna, S. M.
    Wijewardena Gamalath, K. A. I. L.
    Powiązania:
    https://bibliotekanauki.pl/articles/1192658.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Acoustic metamaterials
    electromagnetic metamaterials
    negative index
    anisotropic’ cloaking
    radially dependent FDTD method
    reduced parameter model’ higher order parameter model
    Opis:
    Using the analogy between anisotropic acoustic metamaterials with magnetic metamaterials in transverse magnetic mode, an electromagnetic wave of 2 GHz n transverse magnetic mode, at normal incidence propagating through a two dimensional, anisotropic, semi infinite, double negative, metamaterial slab of 800 × 800 cells, embedded in free space, for the ideal loss case was simulated by a radially dependent finite difference time dependent method to study an ideal acoustic cylindrical cloak. For the simulations multiple cycle m-n-m pulses generating Gaussian beams were used as sinusoidal hard line sources. The simulations for acoustic cylindrical cloaking by a reduced parameter model and a higher order parameter model are also presented. The cloaking behaviour is largely dependent upon the transformation and not on the thickness of the cloak. The radial dependent model and the higher order transformation model are suited for acoustic cloaking.
    Źródło:
    World Scientific News; 2016, 47, 2; 75-88
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Antimicrobial activity of some novel triazolo quinoline derivatives
    Autorzy:
    Hirapara, Asmita V.
    Baluja, Shipra H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1076047.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Dimethyl sulphoxide
    Fungal strains
    Gram negative bacteria
    Gram positive bacteria
    N
    N-dimethyl formamide
    Triazolo quinoline derivatives
    Opis:
    Some triazolo quinoline derivatives were synthesized and their structures were confirmed by IR, 1H NMR, 13C NMR and mass spectroscopy. Screening of all these synthesized compounds were done in vitro against bacteria and three fungal strains in dimethyl sulphoxide and N, N-dimethyl formamide. It is observed that N, N-dimethyl formamide is good solvent for these compounds in selected strains.
    Źródło:
    World Scientific News; 2019, 117; 102-121
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Time at the Level of a High Speed Moving Object
    Autorzy:
    Spacey, John
    Powiązania:
    https://bibliotekanauki.pl/articles/1193284.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    General Relativity
    Quantum Mechanics
    astronomy
    astrophysics
    black-hole
    cosmology
    dark Matter and dark Energy
    galaxies
    gravity
    negative space-time
    Opis:
    I think that far-away travels into Space are possible in the way that it is possible to find again people on our Earth, after the return of a very long travel into Space, not aged, like the people who have traveled inside the spacecraft. Current physics does not allow this and I have developed the following Theory which would thus complement the current Theory of General Relativity when we go to the limits of the reasoning. Current Theories like General Relativity or Quantum Mechanics are not impacted when the reasoning is not pushed to the limits. My reasoning at the limits just complements current Theories when the parameters take extreme values and thus the logic of current physics is respected.
    Źródło:
    World Scientific News; 2021, 153, 1; 1-42
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gravitational interactions of bodes from the point of view of different principles of equivalence
    Autorzy:
    Golovkin, B. G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1031846.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    equivalence principle
    imaginary acceleration
    imaginary mass
    imaginary speed
    mnimons
    negamnimons
    negaons
    negative mass
    negatons
    posions
    positons
    Opis:
    The gravitational interactions of particles with positive, negative and imaginary masses are considered from the point of view of the Einstein Equivalence Principle (EEP) of inert and gravitational masses, as well as three other possible principles of equivalence based on the equality of the gravitational mass to the inertial mass module. Several interpretations of the imaginary movement are proposed. It is shown that, on the basis of EEP, particles with negative or imaginary negative mass will be scattered, but when they interact with particles of positive mass and with each other, “strings” (“dipoles” or “one-dimensional atoms”) and “multidimensional atoms” can form. On the basis of three other principles of equivalence, the formation of such objects is impossible. Negative masses in these variants form colonies, with acceleration moving away from ordinary positive matter.
    Źródło:
    World Scientific News; 2020, 141; 48-65
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biosynthesis, characterisation, free radical scavenging activity and anti-bacterial effect of plant-mediated zinc oxide nanoparticles using Pithecellobium dulce and Lagenaria siceraria Leaf Extract
    Autorzy:
    Prakash, M. Jeevan
    Kalyanasundharam, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193960.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    2-2-diphenyl-1-picrylhydrazyl
    DPPH
    Energy Dispersive Xray
    Lagenaria siceraria
    Pithecellobium dulce
    Scanning Electron Microscopy
    Transmission Electron Microscope
    X-Ray
    ZnO
    by FTIR Spectroscopy
    gram-positive and gram negative bacterial
    Opis:
    The study involved synthesis of Zinc Oxide nanoparticles using biological and chemical reducing agents. The aim was to compare the yield, nature and antimicrobial activity of nanoparticles. Nanoparticles synthesized by the two methods were characterized by FTIR Spectroscopy, Scanning Electron Microscopy (SEM), Energy Dispersive Xray (EDAX), Transmission Electron Microscope (TEM) and X-ray diffraction (XRD). In biological method, Pithecellobium dulce and Lagenaria siceraria leaf extract; and in chemical method, sodium hydroxide was used as reducing agents. Antibacterial study was carried out on gram-positive and gram negative bacterial strains by disc diffusion method. The biologically synthesized ZnO Nanoparticles showed better antimicrobial activities with respect to the activities of synthetic drugs than chemical method. Antioxidant potential of synthesized nanoparticles was assessed through 2,2–diphenyl-1-picrylhydrazyl (DPPH) method.
    Źródło:
    World Scientific News; 2015, 18; 60-77
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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