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5401
Localization of Sound Sources in Normal Hearing and in Hearing Impaired People
Published 2013-10-01“…This article presents results of investigations of the angle of directional hearing acuity (ADHA) as a measure of the spatial hearing ability with a special emphasis on people with hearing impairments. A modified method proposed by Zakrzewski has been used – ADHA values have been determined for 8 azimuths in the horizontal plane at the height of the listeners’ head. …”
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5402
Materials and technologies for the restoration of tower-type objects
Published 2022-11-01“…The aim of the study is to develop a repair and restoration composition of materials and a technology for restoring a tower-type object.Method. The experimental method of destructive and non-destructive quality control of building materials was used in the work; comprehensive instrumental technical inspection of buildings and structures; visual inspection of buildings and structures.Result. …”
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5403
ENERGY AND PROTEIN CONTENT IN THE DIET AND RELATIONSHIP WITH MILK UREA IN SHEEP FROM THE SYNTHETIC POPULATION BULGARIAN DAIRY
Published 2020-12-01“…The urea content was determined by the method described by Angelov, Ibrishimov, Milashki (1999), based on the urease method with the Conway cup. …”
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5404
Preliminary evaluation of biomass and lipid production potential of Nannochloropsis sp. under optimal conditions with different wastewater samples for Exopolymeric substances (EPS)...
Published 2025-01-01“…Disposal of untreated wastes into the environment causes antibiotic resistance of organisms and various pollutions. An efficient method for treating wastewater, producing bioenergy and byproducts on a sustainable basis is to cultivate microalgae in wastewater. …”
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5405
The Role of Social Media in Promoting Volunteer Initiatives and Shaping Communities
Published 2025-03-01“…Special attention is given to studying strategies for the efficient use of social media for volunteer activities, including methods of engagement, audience interaction, and building public trust. …”
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5406
Effects of pruning on canopy microenvironment, branch composition and nut quality in Xinjiang walnut
Published 2025-08-01“…For the tall arboreal trees like walnut, adopting efficient and simple pruning method can significantly reduce production costs and enhance economic benefits. …”
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5407
The effect of nano-chitosan and as mouthwash and denture cleanser: In vitro study
Published 2025-05-01“…Aim of study: This study aims to investigate the effectiveness of natural materials as mouthwash and denture cleansers. Material and method: In examining the antimicrobial efficacy of mouthwashes, the minimum inhibitory concentration values were determined for five groups: distilled water (negative control), 0.2% chlorhexidine, chitosan solution, Saussurea costus solution, and chitosan-Saussurea solution. …”
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5408
SYNTHESIS AND ANTIMICROBIAL PROPERTIES OF 8-BENZYLIDENHYDRAZINO-1-n-PROPYLTHEOBROMINES
Published 2015-04-01“…Pathogens’ presence in biofilms makes IRI diagnostics more complicated and significantly reduces the efficiency of antimicrobial therapy. Earlier it has been determined that 1.8-disubstituted of theobromine show rather high diuretic, anti-inflammatory, analgesic, antioxidant, hypolipidemic and antimicrobial activity. …”
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5409
Quantification of vitamin B<sub>12</sub> in infant formula by dimensional liquid chromatography with solid phase extraction
Published 2013-03-01“…Thus, it is very necessary and important to develop a sensitive, efficient and accurate method for determination of vitamin B<sub>12</sub>. …”
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5410
Evaluation of the Organic Soil Compressibility from In-Situ and Laboratory Tests for Road Application
Published 2021-06-01“…For the tested soil, the optimal range of the α coefficient from 0.4 to 0.7 was determined. The αM coefficient ranged from 0.4 to 0.8. …”
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5411
Collapse risk assessment based on linear programming variable weight-cloud model.
Published 2024-01-01“…Firstly, the weight interval of evaluation index is determined by improved analytic hierarchy process, entropy weight method and coefficient of variation method. …”
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5412
Mathematical modelling of flow and adsorption in a gas chromatograph
Published 2025-03-01“…Finally the analytical results are compared with experimental data, showing excellent agreement. This novel method is highly efficient and is significantly faster and simpler than previous numerical approaches.…”
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5413
Dynamical behavior of damaged railway sleeper subjected to moving loads: Parametric study of crack properties
Published 2025-01-01“…Additionally, a calculation model utilizing the finite element method is established and compared with the analytical model. …”
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5414
Design and Simulation of Ornithopter based on Four-bar Mechanism
Published 2017-01-01“…In addition,the optimized simulation curve can well approach the given task trajectory. The design method proposed in this paper has the characteristics of fast and efficient,and the result is intuitively visible,which provides a feasible scheme for parameter setting and optimization of other mechanical structure.…”
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5415
Critical Design and Operating Parameters of Active Waveguide Bragg Gratings for Laser Performance
Published 2024-11-01“…In this work, a numerical method is employed to calculate the optical power propagation along an Er/Yb-codoped integrated AWBG. …”
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5416
Breakdown characteristics of oxygen and nitrogen gasmixture as substitute gases of sulfur hexafluoride
Published 2024-06-01“…Based on the findings, N2 gas has been determined to be a highly efficient insulator, outperforming other options. …”
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5417
Moisture adsorption and retention capacity of enzymatic hydrolysates from royal jelly under different humidity circumstances
Published 2012-07-01“…It is safe to draw the conclusion that enzymatic hydrolysis will be an efficient method for obtaining ingredients from royal jelly with good moisture adsorption and retention capacity and it has a bright future in exploitation of moisture-keeping or moisture-adsorbing cosmetic.…”
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5418
Identification of glucomannan molecules derived from Porang (Amorphophallus muelleri Blume) flour by various purification process and the optical transparency
Published 2025-03-01“…As a result, purification by soaking for 7 days is an efficient method to produce porang flour with low potassium oxalate monohydrate levels. …”
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5419
Genetic diversity of Trichoderma spp. isolated from alkaline pistachio soils using morphological and molecular characteristics
Published 2024-12-01“…The genetic similarity coefficient between pairwise isolates varied from 0.50 to 0.98 based on an unweighted paired group method of arithmetic average (UPGMA) cluster analysis. …”
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5420
Development of a computer simulation model of a three-phase asynchronous electric drive using an adjustable transistor reducer
Published 2023-08-01“…The values of similar quantities for the electric motor, which is powered by a phase-shifting capacitor, are determined. The dependences of the power factor and efficiency on the active power on the motor shaft are determined.Conclusion. …”
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