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    Wyświetlanie 1-12 z 12
    Tytuł:
    Diversity of birds and their ecological interactions in the Mura Indigenous Territory, Brazilian Amazon Rainforest
    Autorzy:
    da Silva de Oliveira, Natalia Livramento
    Dario, Fabio Rossano
    Powiązania:
    https://bibliotekanauki.pl/articles/1109530.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Amazon Rainforest
    birds
    ecological interactions
    indigenous
    Opis:
    The objective of this study was accomplishes a knowledge survey of the Mura indigenous on the birds of natural occurrence in their territory, who is located in the Amazonas State, Brazilian Amazon Rainforest. As method for collect the data were used open and semi-structured interviews. Twenty four indigenous were interviewed, with both genres and different ages. The interviewees mentioned 118 different species of birds, counting about 60% of the records, which in addition to the interviews was completed by surveying the bird by direct field observations with sighting and vocalization in different natural environments of the indigenous territory. The indigenous showed wide ecological knowledge regarding these birds. The oral transmission of knowledge occurs across generations.
    Źródło:
    World News of Natural Sciences; 2018, 20; 85-102
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Molecular Interactions in Binary Organic Liquid Mixtures Containing Ethyl Oleate and Ethanol at 2MHz Frequency
    Autorzy:
    Manukonda, S.
    Kumar, G. P.
    Babu, C. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/412193.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Ethyl Oleate
    Ethanol
    molecular interactions
    adiabatic compressibility
    Opis:
    Molecular interactions of binary mixtures of Ethanol with a new organic compound Ethyl Oleate are investigated at a constant ultrasonic frequency of 2MHz under the temperature range of 303.15K-318.15K. The effect of mole fraction of Ethyl Oleate on velocity of sound wave and the density and viscosity of binary mixtures at various temperatures were studied. The effects on density (ρ), viscosity (η), adiabatic compressibility (βad), inter molecular free length (Lf) and internal pressure (Пi) also was studied.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2015, 40; 17-23
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Acoustical studies of some synthesized Schiff base derivatives in dimethylsulphoxide at 303.15 K, by ultrasonic velocity measurement
    Autorzy:
    Gopi, C.
    Santhi, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/412151.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    density
    viscosity
    ultrasonic velocity
    DMSO
    acoustical parameters
    molecular interactions
    Opis:
    The density, viscosity and sound velocity of five Schiff bases (1-5) derivatives in DMSO solutions have been studied at 303.15 K over a wide range of concentration. From these experimental data, some acoustical parameters such as Molar volume (Vm), Specific Acoustic Impedance (Z), Adiabatic compressibility (βad), Intermolecular Free Length (Lf), Rao’s Constant (R), Molar compressibility (W), Relaxation time(τ), van der Waals constant (b), Relaxation strength (r), Relative association (RA), Isothermal compressibility (βT ) , Isothermal expansion co-efficient (α) ,Free volume (Vf) and Internal pressure (πi) and Ultrasonic attenuation (α/f²) have been evaluated. A fairly good correlation between a given parameter and concentration is observed. The results are interpreted in terms of molecular interactions like solvent-solvent, solvent-solute and solute-solute interactions.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 17, 1; 50-66
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Theoretical evaluation of ultrasonic velocities of binary liquid mixtures of 1-bromopropane in chlorobenzene at 303.15, 308.15, 313.15 and 318.15 K
    Autorzy:
    Babu, Ch. P.
    Kumar, G. P.
    Nagarjun, B.
    Samatha, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/412079.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    ultrasonic velocities
    molecular interactions
    1-bromopropane and chlorobenzene
    Opis:
    Theoretical velocities of binary liquid mixtures of 1-bromopropane with chlorobenzene at 2 MHz and four different temperatures 303.15, 308.15, 313.15 and 318.15 K, have been evaluated as a function of concentration and temperature. The experimental values are compared with theoretical models of liquid mixtures such as Nomoto, Van Dael-Vangeel, Impedance Relation, Rao’s Specific Velocity Method, Junjie’s relations and Free Length Theory. In the chosen system there is a good agreement between experimental and theoretical values calculated by Nomoto’s theory. The deviation in the variation of U2exp/ U2imx from unity has also been evaluated for explaining the non ideality in the mixtures. The results are explained in terms of intermolecular interactions occurring in these binary liquid mixtures.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 11, 1; 9-17
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Acoustical studies of binary liquid mixtures of p-chlorotoluene in benzene at different temperatures
    Autorzy:
    Kumar, G. P.
    Babu, Ch. P.
    Samatha, K
    Jyosthna, A. N.
    Showrilu, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/412275.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    ultrasonic velocity
    thermodynamic parameters
    p-chlorotoluene
    molecular interactions
    Opis:
    Ultrasonic velocities (U), densities (ρ), and coefficient of viscosities (η) are measured for binary mixtures containing (i) p-chlorotoluene and (ii) benzene at 303.15 K, 308.15 K, 313.15 K and 318.15 K to understand the molecular interaction. Various acoustical parameters such as adiabatic compressibility (βad), free length (Lf), acoustic impedance (Z), free volume (Vf), molar volume (Vm), Rao’s constant (R), Wada’s constant (W) and internal pressure (πi), are calculated from the measured values of U, ρ, and η. The trend in acoustical parameters also substantiates to asses strong molecular interactions.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 10; 25-37
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of temperature on thermo-physical properties of pyrazolo quinazoline derivatives by ultrasonic studies
    Autorzy:
    Baluja, Shipra
    Ramavat, Paras
    Nandha, Kajal
    Powiązania:
    https://bibliotekanauki.pl/articles/1192659.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    pyrazolo quinazoline derivatives
    Acoustical parameter
    Molecular interactions
    Density
    apparent molar compressibility
    Opis:
    Density (ρ), Sound velocity (U) and viscosity (ɳ) of pure solvent N,N-dimethylformamide (DMF) and solutions of pyrazolo quinazoline derivatives in DMF were taken at different concentration range and at different temperatures by using Antone paar. From these experimental data, some acoustical parameters such as adiabatic compressibility (κs), intermolecular free length (Lf), solvation number (Sn), apparent molar compressibility (fk), apparent molar volume (fv), internal pressure (π) etc., have been determined and correlated with the concentration (C).With concentration and temperatures, Linear or non-linear increases or decreases of acoustical parameters shows the existence of strong molecular interactions between solute and solvent. The results are interpreted in terms of solute-solute and solute-solvent interactions to understand the behavior of synthesized compounds in solutions.
    Źródło:
    World Scientific News; 2016, 47, 2; 89-111
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Abundance and diversity profile of invertebrate macro benthic faunal components in a coastal ecosystem of Eastern India
    Autorzy:
    Ghosh, Srinjana
    Rupendu, Ray
    Chowdhury, Suchandra
    Powiązania:
    https://bibliotekanauki.pl/articles/1177469.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Anthropogenic interactions
    Bioindicator
    Coastal biodiversity
    Conservation
    Marine invertebrate fauna
    Tourism
    Urbanizing parameters
    Opis:
    The Chandipore beach, situated in Balasore district, Odisha, 21°28΄N 87°01΄E / 21.47°N and 87.02°E shows an interesting nature of wave action as the water recedes up to an average of 5 kilometres during the ebb and tide, resulting in a vast, dynamic array of coastal biodiversity. It gets exposed to a huge tourism load every year and is faced with multidimensional anthropogenic interactions manifested through a varying gradient of urbanizing parameters like cattle grazing, automobile exhaust, constructions in vicinity of beach area, sewage and solid disposals etc. Present piece of work aims at documenting the premonsoon abundance and diversity of marine invertebrate fauna in this eastern Indian sea beach. Adamsia palliata, Carcinoscorpius rotundicauda, Diogenes rectimanus, Sabella sp., Astropecten mauritianas were found to be few of the prominent faunal representatives. Significant differences in respect of species richness have been observed among different selected ecozones through the coastal landscape based on tidal activity and anthropogenic exposure (F5.73, p ≤ 0.05). Such type of field-based observations leads to the scope of further estimation of the ecological status of these native organisms, their intra and inter-specific associations and functional contributions to coastal landscape playing role as a potential bioindicator, which may in turn become instrumental in frame working the future conservation scheme of these natural assets.
    Źródło:
    World Scientific News; 2018, 102; 59-75
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Schumann Resonance Frequencies Found within Quantitative Electroencephalographic Activity: Implications for Earth-Brain Interactions
    Autorzy:
    Persinger, M. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/411900.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Schumann resonances
    quantitative electroencephalographic activity
    convergence solutions
    brain-wave guide interactions
    gravitational waves
    extracerebral memory representations
    Opis:
    Recent measurements of cerebral quantitative electroencephalographic power densities within the first three harmonics of the earth-ionosphere Schumann resonances and the same order of magnitude for both systems electric and magnetic (pT) fields suggest the possibility of direct intercalation or interaction. The phase modulations of the Schumann propagations and those associated with consciousness are very similar. Quantitative solutions from contemporary values for the physical parameters of the human brain and the earth-ionospheric resonances suggest that electromagnetic information maintained during the first 30 min of experience could be also represented within a property of the (Hilbert) space occupied by the ionospheric wave guide within the earth’s magnetic field. Several astronomical phenomena, including gravitational waves and the neutral hydrogen line, display physical properties with magnitudes matching cerebral electromagnetic activity particularly during light sleep. The presence of Schumann frequencies within the human brain may have greater significance than hereto assumed for the human species.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 11, 1; 24-32
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Terrestrial and lunar gravitational forces upon the mass of a cell : relevance to cell function
    Autorzy:
    Persinger, M. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/411717.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    gravitational effects
    cell mass
    perigee-apogee effects
    10-20 J quantum
    magnetic field-lunar distance interactions
    postsynaptic potentials
    electric dipole moment
    Opis:
    The gravitational force between the mass of an average mammalian cell and the earth is in the order of a picoNewton. When applied across the plasma membrane the energy is within the domain of 10-20 J that is associated with the distance between forces of ions that are correlated with the membrane potential. Solutions for velocity and acceleration are congruent with known properties of the ion channel and cell membrane. The differences in gravitational forces between lunar perigee and apogee are within the 10-20 J range when applied across distances that constitute neuronal processes. Calculations of the ratio of gravitational force to a specific range of intensities of rotating experimental magnetic fields produce equivalent electric dipole moments (A∙m) that are within the same order of magnitude as that measured for single post-synaptic potentials. These values match the energies associated with pressures within the cell volume according to Borowski’s gravitational theory. The solutions may explain a robust behavioral effect reported over 40 years ago that indicated a powerful interaction between forces associated with lunar distances at the birth of rats exposed prenatally to rotating magnetic fields. Although the energies may be small the contributions from subtle changes in gravitational forces are within the operative range for those that influence cell function.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 2; 15-21
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Third Option for Stopping Cancer: Complex, Temporally Patterned Weak Magnetic Fields- Critical Factors That Influence Their Efficacy and Potential Mechanisms
    Autorzy:
    Murugan, Nirosha J.
    Rouleau, Nicolas
    Persinger, Michael A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1191252.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    new treatments for malignancy
    geomagnetic vector differences
    interactions with patterned magnetic fields
    cancer inhibition
    copper blocking
    Aharanov-Bohm applications
    Dicke quantum optics application
    Opis:
    One of the most promising technologies for suppressing the growth of malignant (cancer) cells without adversely affecting normal cells involves the application of physiologically-patterned and bioquantum compatible magnetic fields with specific temporal increments generated by optocoupler circuits through each of the three spatial planes. However, experimentally generated magnetic field patterns designed to target cancer cells are also immersed within the magnetic environment of the incubators. We measured anomalous alterations in the horizontal (primarily “east-west”) component of the geomagnetic static field intensity within cell incubators when the most effective experimental field was being generated between three sets of solenoids. The eccentric response was a function of the six solenoids being wrapped or not wrapped with copper foil. In addition, activating or deactivating the experimental field for fixed increments was associated with discrete and obvious DC shifts in the horizontal component as well as emergent patterns that were not a component of either the experimental field or the background incubator 60 Hz source. If the temporal pattern that defines the effects induced by these magnetic fields is analogous to the spatial patterns that define chemical functions, failure to accommodate these anisotropic transients could be a source of the frequent contradictions and inter-laboratory failures to replicate these phenomena. We suggest that the emergent phenomena from these interactions with quantum-like features may be the causal variables responsible for many of the promising effects for cancer suppression. A modified Dicke model derived from quantum optics where cells cooperatively interact with a single mode of the field and their dipole fields interact coherently may accommodate the observed effects.
    Źródło:
    World Scientific News; 2016, 54; 267-288
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Diffraction of light by acoustic waves in liquids
    Autorzy:
    Wijewardena Gamalath, K. A. I. L.
    Jayawardena, G. L. A. U.
    Powiązania:
    https://bibliotekanauki.pl/articles/411835.pdf
    Data publikacji:
    2012
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    opóźnienie fazy
    akustyczno-optyczne interakcje
    parametr Kleina-Cooka
    dyfrakcja Bragga
    dyfrakcja Ramana-Natha
    acusto-optic interactions
    Raman-Nath and Bragg diffraction
    Klein Cook parameter
    phase delay
    Opis:
    For the acusto-optic interactions in liquids, an equation for the diffraction light intensity was obtained in terms of Klein Cook parameter Q. With optimized parameters for Q, incident light wave length of _=633 nm, sound wave length of _=0.1 mm, acusto-optic interaction length L=0.1 m, and refractive index of the liquid in the range of 1 to 2, the existence of ideal Raman-Nath and Bragg diffractions were investigated in terms of phase delay and incident angle. The ideal Raman-Nath diffraction slightly deviated when the Klein Cook parameter was increased from 0 to 1 for low chase delay values and for large phase delay, the characteristics of the Bessel function disappeared. Higher value of Klein Cook parameter gave Bragg diffraction and ideal Bragg diffraction was obtained for Q~100. A slight variation of the incident angle from Bragg angle had a considerable effect on Bragg diffraction pattern. Klein Cook parameter with the change of acoustic wave frequency was investigated for liquids with refractive index in the range1.3-1.7 and their diffraction patterns were compared with practically applicable acusto-optic crystals. For acusto-optic diffractions in liquids, sound velocity plays an important role in Bragg regime with Q increasing with increasing acoustic frequency. As acoustic wave frequency exceeded 10 MHz most of the liquids reached Bragg regime before these crystals.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2012, 4; 39-57
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On Wave Nature of Matter
    Autorzy:
    Etkin, V. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1182578.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    alternative to atomism
    closed waves
    experimental confirmation
    formation and structuring processes
    non-baryonic and baryonic matter transformation
    particle-like wave
    strong gravity
    unity of interactions
    wave structures
    waves of dark matter
    Opis:
    The article proves the alternative concept of the wave structure of matter. It shows the existence in a non-baryonic (dark) matter of the Universe of standing density waves with dipole properties. When condensation of a non-baryonic substance, these waves transform it into a baryonic (light) substance by forming in it various closed wave structures with particle-like properties. The mathematical description of processes of structuring of non-baryonic matter proposed in the article explains the appearance of new properties (degrees of freedom) in baryonic matter by its polarization. Wave processes in baryonic matter excite running waves in non-baryonic matter, which gives it the properties of a luminiferous medium and makes the baryonic matter visible. The article shows that such a concept allows us to take a fresh look at a number of phenomena that are difficult to explain from the standpoint of corpuscular theories, and finds all the new experimental confirmations.
    Źródło:
    World Scientific News; 2017, 69; 220-235
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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