-
321
Synthesis of propellant grade HHTPB by hydrogenation of HTPB using Pd-activated charcoal as catalyst
Published 2025-03-01“…This paper attempts to describe the partial hydrogenation of HTPB using a catalytic method that uses palladium supported by activated charcoal as a catalyst and HTPB polymer as a precursor. …”
Get full text
Article -
322
Peculiarities of dynamics of level of the acute phase C-reactive protein and its connection with the immune system of organism in patients, suffering the ulcer gastro-intestinal he...
Published 2021-07-01“…This category of patients was distributed in accordance to methods of treatment of coexistent cardio-vascular pathology: Group A – 20 patients, who took hypotensive therapy in accordance to standard scheme, Group B – 15 patients, who took a «double» therapy. …”
Get full text
Article -
323
Multi-Source and Multitemporal Urban and Rural Settlement Mapping Under Spatial Constraint: Qinghai–Tibetan Plateau Case Study
Published 2025-01-01“…The area of URS extracted by this method had a matching degree of 97.79% with the reference, with an average overall accuracy of 93.25% and a kappa of 0.89 for the 1985–2020 confusion matrix sample. …”
Get full text
Article -
324
Issues of forming yields and improving the quality of green fodder based on winter barley
Published 2023-12-01“…The effect of fertilizers on the yield and quality of green fodder based on winter barley was studied to identify optimal cultivation methods. The research was carried out in 2018–2020 on low-humus heavy-clay drained leached chernozems of Adygea. …”
Get full text
Article -
325
Modified Capanna’s Technique (Vascularized Free Fibula Combined with Allograft) as a Single-Stage Procedure in Post-traumatic Long-Segment Defects of the Lower End of the Femur: Ou...
Published 2019-09-01“…Outcomes and Results Eighteen grafts went onto achieve bony union at an average of 6.6 months (range: 5–9), with an average knee flexion of 80 degrees (range: 45–110 degrees) and an average LEFS of 63 (range: 46–72). …”
Get full text
Article -
326
Some Complex Picture Fuzzy Aggregation Operators Based on Frank t-norm and t-conorm: An Application to Multi-Attribute Decision-Making (MADM) Process
Published 2024-01-01“…The unit disc of complex plane has been used to cover the range of values of membership degrees. Pertaining to Frank t-norm and t-conorm operations and a few aggregation methods, we establish some fundamental CPFS aggregation operators and attributes and use them to investigate multi-attribute decision-making (MADM) problems. …”
Get full text
Article -
327
Ecological network construction and optimization of typical resource-based regions, and strategies for the enhancement of multiple ecosystem services: Balancing function and struct...
Published 2025-01-01“…However, the application of the classic method of ENs construction in large-scale resource mining areas is not ideal. …”
Get full text
Article -
328
Calculating of extreme thicknesses and strength characteristics of the first-year ice cover of the Kara Sea using a thermodynamic model
Published 2021-12-01“…Using the example of the Kara Sea, the possibility to calculate values of the thickness and strength characteristics of ice of rare occurrence for areas of marine waters with seasonal ice cover, where field observations are absent, is considered. A method for obtaining climatic characteristics of meteorological elements for conditions of different occurrence (extreme values) has been developed. …”
Get full text
Article -
329
Spatial Coupling Characteristics of Ecosystem Services and Residents' Well- Being at Mining Area of Loess Plateau in Western Shanxi Province
Published 2022-12-01“…[Objective] The spatial coupling relationship between ecosystem services and residents' well-being at mining area in the Western Shanxi Loess Plateau was studied in order to provide support for promoting the coordinated development of ecological environment and residents' well-being in resource-intensive areas. [Methods] We took towns in Sanchuan River basin in Western Shanxi Province as the research units, and applied questionnaire survey, equivalent factor method, coupling coordination degree and geographic detector model to describe the spatial characteristics of coupling degree and coordination degree of ecosystem services and residents' well-being of the basin in 2020, and to explore its driving factors. …”
Get full text
Article -
330
Effect of femtosecond laser-assisted cataract surgery for cataracts after pars plana vitrectomy: a prospective randomized controlled study
Published 2025-02-01“…Abstract Objective To compare the efficacy of femtosecond laser-assisted cataract surgery (FLACS) and conventional phacoemulsification surgery (CPS) in treating postvitrectomy cataracts. Methods Prospective randomized controlled study. Patients who underwent cataract surgery after pars plana vitrectomy (PPV) were randomly divided into the FLACS group and the CPS group. …”
Get full text
Article -
331
Adiponectin level and severity of liver fibrosis in patients chronic hepatitis C with metabolic syndrome
Published 2018-07-01“…The purpose of the research is to determine the value of adiponectin levels in patients chronic hepatitis C with metabolic syndrome depending on the severity of fibrosis and histological activity in the liver.Materials and methods. The research included 72 patients chronic hepatitis C with metabolic syndrome. …”
Get full text
Article -
332
Identifying Psychological and Sociological Factors Affecting Job Aspirations in Lower Secondary Students
Published 2024-09-01“…Three open-ended questions were designed to assess students' degree and job aspirations, along with their parents’ degree aspirations for them. …”
Get full text
Article -
333
Caracterización del envejecimiento de tuberías de vapor de centrales térmicas empleando el efecto Barkhausen//Characterization of steam pipes ageing degree from power plants using...
Published 2012-05-01“…In the second method the spheroidization level/average size of carbides was analyzed too with the total second peak height, determining a decreasing due to the change of the shape, size and acicularity of carbides phase.…”
Get full text
Article -
334
Spatiotemporal Variation Characteristics and Influencing Factors of Water Quality in the Anhui Section of Yangtze River
Published 2025-07-01“…Investigating the spatiotemporal variation characteristics of water quality and the underlying influencing factors in this region over recent years can provide clearer guidance for future water environment management in the lower Yangtze River. [Methods] Based on daily water quality data from 29 national assessment sections in the Anhui section of the Yangtze River from 2021 to 2023, this study adopted the comprehensive water quality index method to evaluate water quality, and integrated principal component analysis, correlation analysis, and other methods to explore the spatiotemporal variation and influencing factors of water quality. …”
Get full text
Article -
335
NPP-VIIRS Nighttime Lights Illustrate the Post-Earthquake Damage and Subsequent Economic Recovery in Hatay Province, Turkey
Published 2025-03-01“…This method provided a swift and effective solution for rapidly assessing disaster-related destruction. (2) The reduced NTLs exhibited a strong correlation with the area of severely and moderately damaged buildings while showing a weaker correlation with areas of slightly damaged buildings. (3) The developed pre- and post-earthquake regression models demonstrated a high degree of fit, making them valuable tools for assessing regional economic recovery after the earthquake. …”
Get full text
Article -
336
Coupling Coordination Analysis Between Farmland Transfer and Agricultural Eco-Efficiency in China
Published 2024-11-01“…The following conclusions can be drawn from the results: (1) The level of farmland transfer in China exhibits an overall upward trend, primarily influenced by the average farmland area per household in each region and the number of large grain producers, with Heilongjiang consistently maintaining the highest level. (2) The agricultural eco-efficiency value remains relatively stable at approximately 1.1, with high-efficiency areas concentrated in Beijing, Qinghai, Hainan, Shanghai, Fujian, and Guizhou, where lower agricultural carbon emissions are a significant influencing factor. (3) The coupling degree between farmland transfer and agricultural eco-efficiency in various provinces of China is predominantly in a state of adjustment, with the coupling coordination level improving year by year. …”
Get full text
Article -
337
DETERMINATION OF SOME PHYSICAL AND CHEMICAL PROPERTIES OF PECTIN SUBSTANCES FROM THE SOLVENT CAKE OF TAGETES PATULA L. INFLORESCENCES
Published 2017-08-01“…Materials and methods. Polysaccharide complexes were isolated from the solvent cake of Tagetes patula inflorescences of Carmen species which was left after a raw material extraction with ethanol 40% with the method of Kochetkov and M. …”
Get full text
Article -
338
Summer and Autumn Long-term Dynamic of Air Temperature in Central Ukraine
Published 2024-12-01“…In Kropyvnytskyi, average annual temperatures over 149 years increased from +7.40C to +8.90C, i.e. by 1.5 degrees. …”
Get full text
Article -
339
A fuzzy track-to-track association algorithm with dynamic time warping for trajectory-level vehicle detection
Published 2025-03-01“…The average association accuracy of all scenarios and error levels of the proposed method reached 97.33%, far higher than other benchmark methods. …”
Get full text
Article -
340
Methodology for calculating the fractional content of dust after cleaning in cyclone-type dust collectors and its post-cleaning
Published 2025-06-01“…This article presents a method for calculating the fractional residual dust concentration for its sequential post-cleaning using an electrostatic precipitator.…”
Get full text
Article