Search Results - black layer
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81
Meteorological impact on gravimeter and seismometer readings
Published 2023-09-01“…Therefore, variations in the atmospheric layer temperature leads the emergence of local gravity anomalies. …”Background. The density of atmospheric air varies with temperature. Therefore, variations in the atmospheric layer temperature leads the emergence of local gravity anomalies. The amplitude of such anomalies can exceed ±0.1 mGal. The results obtained by the Arti Geophysical Observatory(Yekaterinburg,...
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82
Study on corrosion behavior of X65 steel of buried pipeline under dynamic stray current interference
Published 2025-06-01“…The final corrosion product at 100 A/m2 was realized as yellow FeOOH on the outer layer and black Fe3O4 on the inner layer.…”With the construction of a large number of electrified rail transits, the stray current will inevitably affect the nearby buried pipelines. Due to the change in the position of the locomotive in the actual operation process, the direction and magnitude of the stray current constantly change, which m...
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83
Effect of Negative - Phase Voltage on the MAO Film Properties of 6005A - T6 Aluminum Alloy for City Rail Car Body
Published 2021-05-01“…Besides, the MAO thin film presented the appearance of white strips, and some black lumpy tissues were also observed. Under the condition of -100 V, smaller lumpy areas were formed in the prepared sample.…”In order to improve the wear resistance of the surface of 6005A - T6 aluminum alloy for city rail car body, the thin film with high wear resistance was prepared by micro - arc oxidation treatment, and the changes of structure characteristics, hardness and wear resistance of micro - arc oxidation lay...
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84
Status epidermis in introduktion of the drug «radiesse» and «luminaire»
Published 2015-08-01“…Distribution of total protein studied in preparations stained amido - black at pH 2.2, and cationic at pH 8.2. Spended the morphometry of cores were differentiated in layers epidermis and given assessment their optical density. …”Changes occurring which took place in epidermis skin after injection drugs «radiesse» and «luminaire» are analyzed in the experiment. Preparations introduced endodermal evaluation results conducted at 2, 4 and 16 weeks experiment to drug «radiesse» and at 2 and 16 weeks to drug «luminaire». Slices s...
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85
Modification of dispersed systems by polymers under mechanical treatment
Published 2006-10-01“…The processes of surface modification in aqueous dispersions of hydrophilic inorganic pigments (titanium dioxide, ferrous oxide) as well as hydrophobic organic pigments (copper phthalocyanine and carbon black) by polymers of various nature were reviewed. …”The processes of surface modification in aqueous dispersions of hydrophilic inorganic pigments (titanium dioxide, ferrous oxide) as well as hydrophobic organic pigments (copper phthalocyanine and carbon black) by polymers of various nature were reviewed. The pigment surface modification by these pol...
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86
Biokerosene Analysis from the Latex Distillation as an Alternative Solution to National Energy Crisis
Published 2020-12-01“…From latex biokerosene analysis, it shows yellow color, strong odor, nonpolar properties, flammability, yellow flame color and black smoke, 0.87399 g/cm<sup>3</sup> density, Rf=0.641 (4% methanol as mobile phase) and Rf=0.883 (N-hexane and acetone as mobile phase) of the thin layer chromatography. …”<p style="text-align: justify;"><em>Energy crisis is ready to whack, according to the fact that about 66% of the earth's fuel comes from fossils. Urgency for alternative fuels discovery is increasing, one of which is natural rubber latex. This material has potential as an...
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87
Speed structure of the mantle under the Dnieper-Donets Depression and its surroundings. Part I
Published 2020-05-01“…The latter can be explained by the subhorizontal penetration of the high-speed layer of the transition zone of the upper mantle from the Black Sea into the low-speed layer of the transition zone of the upper mantle of Sarmatia. …”The article discusses the high-speed structure of the mantle under the Dnieper-Donets Depression (DDD). The solution obtained by the Taylor approximation of the solution of the three-dimensional seismic tomography problem is used. The method is independent of the reference model and gives a better...
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88
Multi-Phase Thermal Structure & The Origin of the Broad-Line Region, Torus, and Corona in Magnetically-Dominated Accretion Disks
Published 2025-05-01“…Recent simulations have demonstrated the formation of 'flux-frozen' and hyper-magnetized disks, qualitatively distinct from both classical $\alpha$ disks and magnetically-arrested disks, as a natural consequence of fueling gas to supermassive black holes in galactic nuclei. We previously showed that the dynamical structure of said disks can be approximated by simple analytic similarity models. …”Recent simulations have demonstrated the formation of 'flux-frozen' and hyper-magnetized disks, qualitatively distinct from both classical $\alpha$ disks and magnetically-arrested disks, as a natural consequence of fueling gas to supermassive black holes in galactic nuclei. We previously s...
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89
Assessing the Impact of Concurrent Tunnel Excavations on Rock Mass Deformation Around Existing Structures
Published 2025-06-01“…The impact of the new tunnel on the existing tunnels was examined, with excavation length and soil layer thickness considered as the primary influencing factors. …”Due to the complexity of planning and constructing underground lines, construction challenges—such as close proximity and multi-line interactions—are increasingly being recognized, along with their associated safety hazards. The visual observation of tunnel deformation and changes in the surrounding...
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90
Features of formation and transformation of fallows and methods for their optimisation
Published 2022-04-01“…The unit weight of the arable layer reached 1.48 g/cm3, hardness reached 24.4 kg/cm2 and water permeability reached 59 mm/hour. …”Aim. The objective of this research was to establish the reasons for productivity reduction and changes in the species and quantitative composition of phytocenoses of multiple‐aged fallows and to develop methods for their use optimisation.Material and Methods. The research was conducted as a station...
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91
APPLICATION OF COMPUTER MICROTOMOGRAPHY IN THE STUDY OF MORPHOSTRUCTURAL PECULIARITIES OF HARD TISSUES OF TEETH IN EARLY FORMS OF CARIOUS LESIONS
Published 2018-12-01“…Of the total number of teeth removed, research groups were formed – teeth without signs of demineralization and teeth with carious lesions in the stage of white, light brown, brown and black spots. In the reconstructed 2D and 3D images were identified the zones in the outer (0.05-0.5 mm), middle (0.75-1.25 mm) and inner (1.5-2.0 mm) thirds of the thickness of the enamel layer followed by the computation in the CTvox program (3.3.0-1403, Bruker-micro CT) of the averaged X-ray (mineral) density indicators. …”Aim. The research was designed to assess the capabilities of the microcomputer tomography method with the subsequent image analysis and determination of the mineral optical density of demineralized areas to improve the early diagnosis of fissure caries of permanent molars after the eruption.Material...
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92
Microcirculatory and functional changes in the retina and visual channels in multiple sclerosis
Published 2018-10-01“…The pattern ERG (PERG), as well as visual evoked potentials (VEP), on the reversing black/ white, pure luminance (black/yellow) and chromatic (red/green and blue/yellow) chess stimuli were recorded (RETI-port/ scan, Roland Consult, Germany). …”Purpose: to compare subtle changes in retinal and optic disk morphology and microcirculation and the functional activity of visual channels in patients with multiple sclerosis (MS) and optical neuritis (ON) in the medical history. Material and methods: 19 patients with remitting MS (duration of abou...
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93
The ctenophore <i>Beroe</i> cf. <i>ovata</i> in the Caspian Sea. The beginning of a new stage in the evolution of the Caspian ecosystem?
Published 2021-01-01“…Samples were taken at five stations in the 0-40 m layer. Combs larger than 5 mm were counted and measured on board the ship. …”Aim. Analysis of the first data regarding the arrival of the predatory ctenophore Beroe cf. ovata in the Caspian Sea and assessment of possible effects of its introduction for the Caspian ecosystem.Material and Methods. The material was obtained in the deep-water region of the western shelf of the m...
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94
From the idea to the creation of an automated interpretation system of potential fields GMT-AUTO: step by step
Published 2025-04-01“…From 2010 to the present, work has been carried out to create the interactive software complex Isohypse, for processing monochrome (black and white) and color (original maps) images of objects given in rectangular or geographic coordinate systems. …”We outline the way to GMT-Auto, an automated complex for interpreting potential fields. It includes three stages: 1995—2000, 2001—2009 and in 2010- the present day. The work at each stage included solving direct problems and creating software for entering information presented on paper, and outputt...
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95
An Interpretable Weather Forecasting Model With Separately‐Learned Dynamics and Physics Neural Networks
Published 2025-07-01“…While recent foundation models highlight this potential with advanced architectures, interpreting the “black‐box” nature of ML models remains challenging. …”Abstract Machine learning (ML) offers a promising alternative for weather forecasting by reducing computational costs and modeling complex non‐linear atmospheric processes. While recent foundation models highlight this potential with advanced architectures, interpreting the “black‐box” nature of ML...
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96
Effects of different types of fruit bags on peel color and fruit quality in Zijinhong No. 2 peach
Published 2025-07-01“…[Methods] Using Zijinhong No. 2 nectarine as the subjects for the study, nectarine fruits were bagged approximately 30 days after flowering with the following treatments: white single-layer bags (Treatment Ⅰ), yellow single-layer paper bags (Treatment Ⅱ), Double-layer paper bags with a yellow outer layer and white inner layer (Treatment Ⅲ), and double-layer paper bags with a yellow outer layer and black inner layer (Treatment Ⅳ), with an unbagged group serving as the control (CK). …”[Objective] In recent years, nectarines have become increasingly popular among consumers due to their bright color, smooth skin without fuzz, and convenient consumption. A large number of nectarine varieties have been introduced to Chongqing. Zijinhong No. 2 is an excellent variety cultivated by the...
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97
Transfer learning with class activation maps in compositions driving plaque classification in carotid ultrasound
Published 2025-07-01“…In this study, the objective was to assess whether class activations maps (CAMs) can reveal which U/S grayscale-(GS)-based plaque compositions (lipid cores, fibrous content, collagen, and/or calcified areas) influence the model's understanding of the ASY and SY cases.MethodsWe used Xception via transfer learning, as a base for feature extraction (all layers frozen), whose output we fed into a new dense layer, followed by a new classification layer, which we trained with standardized B-mode U/S longitudinal plaque images. …”IntroductionCarotid B-mode ultrasound (U/S) imaging provides more than the degree of stenosis in stroke risk assessment. Plaque morphology and texture have been extensively investigated in U/S images, revealing plaque components, such as juxtaluminal black areas close to lumen (JBAs), whose size is...
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98
Investigating factors influencing PM2.5 threshold exceedance in Nigeria using multivariate logistic regression analysis
Published 2024-09-01“…The estimated coefficients of black carbon emission (BCEM) and sulfate emission (SUEM) showed a significant positive response, exacerbating the threshold exceedance in Abuja and Lagos, while dust emission (DUEM) had a significant positive response in Kano and Lagos. …”The understanding of the drivers of fine particulate matter of diameter less than or equal to 2.5 micrometers (PM2.5) in Nigeria will greatly assist policymakers and other stakeholders in developing appropriate air quality management strategies to protect the health of the public. This research ana...
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99
PRODUCTIVITY AND ENERGETIC EFFICIENCY OF CULTIVATION OF NEW VARIETIES OF SUDAN GRASS AND SORGHUM-SUDAN HYBRIDS
Published 2018-06-01“…In the field trials the soil consisted of chernozem (black soil), carbonate, heavy-loamy, with a humus content in arable layer (3,5%). …”Due to the increasing aridity during the vegetation, productivity of fodder crops is unstable in the last years, and does not meet the cattle needs in rich feed. We can solve the problem by increasing the areas with grass sorghum, which is a promising crop for obtaining green mass and hay. The artic...
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100
The productivity and bioenergetic efficiency of the new variety of sainfoin ‘Shuravi’
Published 2018-05-01“…The soil of the experimental fields is heavy loamy, carbonaceous black earth (chernozem) with a deep layer of humus (120 cm) and high content of carbon. …”The article presents the results of three cycles of study of productivity and quality of sainfoin variety ‘Shuravi’. The purpose of the study is to establish the advantages of economic-biological characteristics of sainfoin ‘Shuravi’ over the standard variety ‘Zernogradsky 2’. The experiments were c...
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