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Wyświetlanie 1-15 z 240
Tytuł:
Geographic pattern as a determinant factor of interlinking climatic and hydrological components of the natural resources
Autorzy:
Gaidukova, E.V.
Kovalenko, V.V.
Powiązania:
https://bibliotekanauki.pl/articles/11188.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Źródło:
International Letters of Natural Sciences; 2019, 74
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of improved (nano) systems on cultivated corn growth, development and field
Autorzy:
Voropaeva, V.
Karpachev, V.
Varlamov, V.
Figovsky, O.
Powiązania:
https://bibliotekanauki.pl/articles/412494.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
nanotechnology
agricultural
seeds
soya
biopesticides
immunomodulators
elicitors
fungicide
nanochips
Opis:
Using physiologically active, complex, polyfunctional, multicomponent (nano) systems – (nano) chips in the pre-sowing soya treatment (nano) technology allows precise seeding; enhancing field seed germination; reducing plant morbidity rate considerably or even deleting disease incidents; increasing plant adaptability to unfavorable environmental conditions; expanding crop yield; improving products quality by not using toxic chemical means of plant protection; intensifying competitive ability of agricultural products as well as assuring environmental safety in crop cultivation regions.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 9; 1-7
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Parameterization of the deuteron wave functions and form factors
Autorzy:
V. I. Zhaba, V. I.
Powiązania:
https://bibliotekanauki.pl/articles/1179012.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
deuteron
form factors
parametrization
tensor polarization
wave function
Opis:
Minimization of the number of numerically calculated coefficients for new analytical forms as a product of exponential function r1 by the sum of the exponential terms Ai*exp(-ai*r2) have been done. The optimum is N = 10. Calculations have been done for realistic phenomenological Reid93 potential. Spherical S0 and quadrupole S2 form factors is parameterized by the coefficients for deuteron wave function in coordinate representation. The result t20(p) in wide area of momentas for Reid93 potential agreed well with the literature results for other potential nucleon-nucleon models, and with experimental data’s of world collaborations and reviews. The obtained results will allow studying the deuteron electromagnetic structure, its form-factors, differential cross section of double scattering in more detail in future, and also for calculations the theoretical values of spin observables in dp- scattering.
Źródło:
World Scientific News; 2017, 87; 222-232
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exotic floristic composition of Peddagattu, the proposed site for Uranium mining, Nalgonda district, Telangana state, India
Autorzy:
Reddy, A.B.
Rao, V.H.
rao, V.V.
Reddy, A.V.B.
Powiązania:
https://bibliotekanauki.pl/articles/11325.pdf
Data publikacji:
2015
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Opis:
The present investigation reflects the findings of exotic floristic composition at Peddagattu, Nalgonda district, Telangana State, India. A total of 125 exotic species of taxa belonging to 101 genera and 44 families were recorded in the study. Leguminosae is the most dominant family representing with 21 species, followed by Compositae (14 species), Apocynaceae, Convolvulaceae and Poaceae (7 species each). As per the nativity of exotic species representation in the study area are mostly from belongs to tropical America followed by tropical Africa and South America at Peddagattu.
Źródło:
International Letters of Natural Sciences; 2015, 43
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Study of Land Cover Change Detection in Oddusuddan DS Division of Mullaitivu District in Sri Lanka Based on GIS and RS Technology
Autorzy:
Pathmanandakumar, V.
Powiązania:
https://bibliotekanauki.pl/articles/1031751.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Change Matrix
Change detection
Geographical Information System & Remote Sensing
Land covers Mapping
Satellite Image Analysis
Opis:
Land cover change analysis between 1997 and 2016 was conducted in Oddusuddan Divisional Secretariat, Mullaitivu District, using remote sensing and geographic information system incorporated with field verifications. Various Satellite images and different digital maps have been used for extracting information. The overall objective of this study was to detect the magnitude of land cover change in Oddusuddan between 1997 and 2016. The methodology of this study was a change detection analysis of satellite imagery with Landsat ETM data. Two dates of Landsat image data of the 1997 and 2016 were used to produce a land cover map. The Maximum Likelihood algorithm was used for supervised classification to detect changes for twenty years. The result showed that during the last twenty years, the forest cover declined from 453.02 km2 in 1997 to 447.14 km2 in 2016. It was noticed that socio-economic factors were the major driving forces for the land cover change.
Źródło:
World News of Natural Sciences; 2020, 29, 3; 198-211
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reversible Data Hiding with QR Code Application
Autorzy:
Revathi, V.
Powiązania:
https://bibliotekanauki.pl/articles/1193568.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Barcode
Data Hiding
Quick Response code
Opis:
The technique reversible data hiding with the application associated with the Quick Response codes. QR codes are random patterns, which can be commonly observed on the corner of posters. The goal of QR codes aims at convenience oriented applications for mobile phone users. People can use the mobile phone cameras to capture QR code and corresponding to the QR code can be accessed instantly. To develop Quick Response Codes are a type of two-dimensional matrix barcodes used for encoding information. It has become very high storage capacity. The present QR is a combination of strong encryption algorithm and data hiding in two stages to make the entire process extremely hard to break. Here, the secret message is encrypted first and hide it in a QR Code. The QR code is that carry meaningful information in the vertical direction as well as the horizontal, hence the two-dimensional term. By carrying information in both directions, QR code can carry up to several hundred times the amount of data carried by an ordinary bar codes. With the aid of our reversible data hiding technique, the QR codes can be hidden into the original image, and considerable increase in embedding capacity can be expected. Then, the QR code could get vanished and the original image would be recovered to retain the information conveyed therein.
Źródło:
World Scientific News; 2016, 41; 193-199
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Physics of hypercumulation: jet formation in shaped charge and ablatively-driven implosion of hollow cones
Autorzy:
Minin, I. V.
Minin, O. V.
Powiązania:
https://bibliotekanauki.pl/articles/971315.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Ablation
Plasma Jet
Cumulation
Hypercumulation
Opis:
In this letter we suggest a new approach to the physical principles for hypercumulative plasma jet formation. This new approach leads to several new results which are of fundamental importance. The simulation results of hypercumulative plasma jet are discussed. It has been shown that the increase of the plasma jet speed in the suggested configuration is 25-30 % and the increase of jet pulse is more than 90 times which are not achievable in the classical cumulation.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 3; 76-86
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Was Histamine toxicity known to Ayurveda & Siddha 5000 years ago?
Autorzy:
Aruna, V.
Amruthavalli, G. V.
Gayathri, R.
Powiązania:
https://bibliotekanauki.pl/articles/1077270.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Fish
Histamine toxicity
Siddha / Ayurveda
Tridosha
Opis:
Histamine was discovered in the year 1910 and subsequently histamine toxicity was reported from several marine foods especially from fish. Detailed research has proved that different species of fishes are known to accumulate large quantity of histamine and the histamine is heat stable. Reason for the histamine toxicity was due to the consumption of fishes with high level of histamine. Ancient systems of medicine such as Ayurveda and Siddha are 5000 years old. Ayurveda and siddha clearly dictates the avoidance of fish by patients who suffer from various diseases such as psoriasis, vitiligo, eczema, urticaria, anemia, duodenal ulcer, irritable bowel syndrome, rheumatoid arthritis etc. In all the above diseases histamine is either the trigger or the cause of the disease, therefore reducing histamine burden is also one of the treatment strategies. Histamine toxicity in fish and sea foods are great concern and the histamine is harmful to many diseases. Ancient siddhars have advised the patients to suffer from various diseases to avoid fish may be due to histamine toxicity. In the light of the present revelation about histamine toxicity in fish and the fish avoidance prescription of Ayurveda and Siddha clearly indicates that the Ayurveda and Siddha scholars were clearly aware of histamine toxicity 5000 years ago. Details are presented in the paper.
Źródło:
World News of Natural Sciences; 2019, 23; 166-172
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development and validation of spectrophotometric methods for the quantification of solifenacin succinate: application to tablet dosage forms
Autorzy:
Seshamamba, B. S. V.
Satyanarayana, P. V. V.
Sekaran, Ch. B.
Powiązania:
https://bibliotekanauki.pl/articles/412347.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Solifenacin succinate
potassium permanganate
copper sulphate
ammonium molybdate
bromocresol green
Opis:
Four sensitive, precise and accurate spectrophotometric methods for the estimationof solifenacin succinate(SFS) have been developed. Method Adescribes the interaction of SFSwith potassium permanganate in alkaline mediumto give green colored manganate ionwith absorption maxima at 610nm. Methods Band Care based on the formation of ternary complexes of SFSwith, copper (II)/eosin(method B)and ammonium molybdate/ammonium thiocyanate(method C),respectivelywhich are extracted into chloroform and have absorption maxima at 545nm (method B) and 465nm (method C). Method D was based on the formation of yellowcolored ion-pair complex between bromocresol green and SFS in dichloromethane medium with absorption maxima at 415nm.Regression analysis of Beer's law plot showed good correlation in the concentration range of 5-50, 2.5-50, 10-100 and 2-20 μg/mLfor methods A, B, Cand D, respectively. Different variables affecting the reaction were studied and optimized. The proposed methods were applied successfully for the analysis of SFSin tablets dosage forms. No interference was observed from common pharmaceutical excipients.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 10, 2; 167-182
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
“Snake”: One More Terramorphic Entity of the Hypothetical Venus Fauna
Autorzy:
Ksanfomality, L. V.
Powiązania:
https://bibliotekanauki.pl/articles/412317.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Planet Venus' fauna
astrobiology
Space vehicles instruments
Planet's surface
Opis:
During the years that passed since the time of TV experiments employing VENERAlanders (1975 and 1982), no similar experiments or missions to Venus have been performed. Analysis of treated once gain VENERA-13 and VENERA-14 panoramic images revealed (among other hypothetic living entities) a 'snake' object about 40 cm in size possessing apparent terramorphic features. The snake’s body stands out with its honeycomb, spotty surface against the stone plates close by. The ‘snake’ can be included into the list of the most significant findings of the hypothetical Venusian fauna. Apart from that, of interest is a ‘dove’ object, although details of its structure cannot be discerned. The snake’s body show slow movements, which is another evidence of the Venusian fauna’s very slow style of activity, which appears to be associated with its energy constraints or, and that is more likely, with the properties of aninternal medium of its body. The terramorphic features of the fauna, if they are confirmed, may point out at outstandingly importantand yet undiscovered general laws of theanimated nature.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 3; 64-75
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Chemical Study of Calotropis
Autorzy:
Verma, V. N.
Powiązania:
https://bibliotekanauki.pl/articles/412601.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Calotropis
Madar
AAS
metals
Opis:
Calotropis (Asclepiadaceae) commonly known as “madar” is a useful medicinal plant. The two species i.e. Calotropis gigantea and Calotropis procera are to a great extent having a very similar chemical properties, but the colours of their flowers are different. The pH of latex of these two species has been found different in the present study. The temperature effects have been noticed on their pH values which is varying from 7.2 to 8.1 between the temperatures 25 °C to 45 °C and then remains constant for Calotropis gigantia. The milky latex contains hydrocarbons, fatty acids, sterols and terpenels. Seven spots have been observed on the TLC plates; out of which 3 were identified as calotoxin, uscharin and calactin. Aluminum, calcium, cadmiun, cobalt, chromium, copper, iron, magnese, magnesium, nickel, lead, and zinc metal elements were investigated in the latex and similarly in the leaves and bark from the AA spectra. The amount of magnese was found the highest in the latex of both species but calcium was found highest in leaves and bark of both species. Copper, chromium and lead were not found at all in latex but a very little amount of copper and lead were found in leaves and bark. The atomic absorption spectrophotometer was used to investigate the metals which were measured in the order of ppm.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 1; 74-90
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stapp parameterization and scattering phases for coupled states
Autorzy:
Zhaba, V. I.
Powiązania:
https://bibliotekanauki.pl/articles/1075521.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
coupled states
deuteron
parameterization
shifts
variable phase approach
Opis:
Variable phase approach is viewed for two-channel scattering. The search of the scattering phases and mixing parameter for coupled states 3S1–3D1 using Stapp parameterization is carried out. The nucleon-nucleon potential in the coordinate representation is used for numerical calculations. The influence of the choice of a numerical method (method Euler and methods Runge-Kutta) on the calculations of scattering phases and the mixing parameter is taken into account.
Źródło:
World Scientific News; 2019, 129; 255-262
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bacteriuria of women of child bearing age
Autorzy:
Bakpolor, V. R.
Powiązania:
https://bibliotekanauki.pl/articles/1111864.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Antibiotics susceptibility
Asymptomatic bacteriuria
Bacterial isolates
Prevalence
Urinary tract infection
Opis:
Urinary tract infection (UTI) is one of the most common diseases encountered worldwide. In this study, urine samples were collected from thirty women of child bearing age (18-25 years) to determine the prevalence of bacteriuria, as well as the presence of pus cells and white blood cells which are signs of infection. The urine microscopy result revealed that 7 (23.3%) of the sample had greater than 10 leucocytes per high power field. Only four of the samples had a significant number of pus cells. The bacteria count recorded ranged from 25 cfu/0.001 ml to 276 cfu/0.001 ml. Of the samples, 13 were positive for bacteriuria having bacterial count greater than 100 cfu/0.001 ml. The bacteria isolates include Klebsiella spp. (3.8%), Streptococcus spp. (2.5%). Escherichia coli (62.5%) and Staphylococcus spp. (21.2%). Of these, Klebsiella spp. was the least prevalent and Escherichia coli had the highest number of occurrence. These organisms were very sensitive to Ciprofloxacin, Pefloxacin, Zinnacef and Gentamycin according to the antimicrobial susceptibility test carried out. Ciprofloxacin was found to be the most effective antibiotics against all the bacterial isolates. Here, zones of inhibition ranged from 15 mm (Streptococcus spp.) to 20 mm (Escherichia coli). All the bacterial isolates were resistant to Amoxicillin, with zones of inhibition between 11 (Klebsiella spp., Escherichia coli, Staphylococcus spp.) and 13 mm (Streptococcus spp.). Since the prevalence of asymptomatic bacteriuria is high, early diagnosis and proper treatment is necessary in order to prevent it from becoming symptomatic.
Źródło:
World News of Natural Sciences; 2018, 20; 255-266
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analytical forms of deuteron wave function and density distribution
Autorzy:
Zhaba, V. I.
Powiązania:
https://bibliotekanauki.pl/articles/1177883.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
analytic form
approximation
density distribution
deuteron
transition density
wave function
Opis:
Values of density distribution and transition density are calculated using the obtained coefficients of four deuteron wave function for analytical forms in coordinate representation for Argonne v18 potential. Calculations of these values can serve for an assessment of a correctness and accuracy of choice of an analytical form at concrete approximation of radial deuteron wave function. Also these calculations help to evaluate information on such characteristics of a deuteron as a charge form factor, tensor polarization and momentum distribution.
Źródło:
World Scientific News; 2018, 98; 206-213
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Basic of the graviacoustic light theory
Autorzy:
Etkin, V. A.
Powiązania:
https://bibliotekanauki.pl/articles/1178325.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Universe
baryonic matter
closed waves
energy
gravitational interaction
levitation
non-baryonic matter
processes of structure formation
radiation
traveling waves
Opis:
A non-electromagnetic theory of light is proposed, according to which the light-bearing medium is non-baryonic (unstructured) matter as the main component of the substance of the universe. The theory is based on available data on the existence in the intergalactic medium of closed density waves, which are combined into structural elements (particles) of baryonic matter. On the basis of the principle of the equivalence of mass and energy, and also of the theory of waves, the basic relations between the parameters of non-baryonic matter are derived and the possibility of the appearance of running waves in it that make it visible is shown. The unity of the properties of non-baryonic matter with ether is emphasized, and the absence in the theory of contradictions inherent in the electromagnetic concept of light. Experimental evidence of the proposed theory is presented and new approaches to a number of difficultly explainable phenomena, including levitation, are discussed.
Źródło:
World Scientific News; 2017, 81, 2; 184-197
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 240

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