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63681
The importance of biochemical and ultrasound markers in prenatal diagnosis: current methods and development perspectives
Published 2025-06-01“… This paper explores the role of biochemical and ultrasound markers in prenatal diagnosis, emphasizing their importance in early detection of chromosomal and structural abnormalities in the fetus. It aims to characterize the most relevant diagnostic markers, evaluate the sensitivity and specificity of current methods, and discuss modern advancements such as non-invasive prenatal testing (NIPT). …”
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63682
Detection of fasting blood sugar using a microwave sensor and convolutional neural network
Published 2025-07-01“…To interpret the complex, non-linear features of the sensor response, a convolutional neural network (CNN) was developed and trained using the entire dataset. …”
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63683
Characterization of Anopheles mosquito breeding habitats for malaria vector control in Mazowe and Shamva districts, Zimbabwe
Published 2025-04-01“…One-way ANOVA, Fisher’s exact, Pearson’s correlation, and simple linear regression tests were conducted. Results: Seven different types of Anopheles breeding habitats were identified from 56 sites. …”
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63684
Assessment of the Extent of Distribution and Danger of Activation of Landslide Processes in Dagestan
Published 2020-01-01“…An assessment was made of the extent of the distribution and danger of occurrence of landslide processes (for the period 2004-2018) in urban and rural settlements, on linear infrastructure (highways, oil, gas and water pipelines, power lines) and in reservoirs of large hydroelectric power stations of the republic. …”
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63685
弧齿锥齿轮磨削表面烧伤建模仿真与实验验证
Published 2014-01-01“…By using the theoretical derivation,the method of combining numerical simulation method with modern experimental means,firstly,through SG grinding wheel,the finite element model of temperature field of 20CrMnTi spiral bevel gear tooth form grinding is established,the temperature field simulation analysis is carried out by using rectangular distribution of heat source method of moving load and ANSYS software.The influence law of different grinding parameters on the distribution of temperature field of grinding process is got.Namely with the increase of grinding depth, the temperature of workpiece surface temperature in the grinding zone rises,grinding wheel linear velocity is higher,the grinding temperature rises.With the increment of generating speed,the graph showed a trend of increasing after the first reducing of the grinding temperature and maximum temperature are located around grinding arc center.Then,the color and morphology of spiral bevel gear wheel burns surface is observed.By observing the microstructure of burn area,the organization on the surface of quenching burn area is troostite.When moderate burn of the burn area,the organization at the outer surface of the secondary quenching martensite,the bottom of quenching burn area is tempered martensite or sorbite.When serious burn of the burn area,the organization at surface is sorbite.Finally,it is found that when the gear in slight burns,the surface microhardness significantly below the hardness before grinding,the metamorphic layer depth is greater than 0.2mm,when severe burns,annealing burn surface and surface hardness drop more,the metamorphic layer depth increased,and the more severe burns,the more fall of surface micro hardness.It is concluded that,when the metamorphic layer depth is greater than 0.2mm,different degree of grinding burn is produced.…”
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63686
Multiplexed bacteriocin synthesis to combat and prevent antimicrobial resistance
Published 2025-08-01“…In this study, we used a collection of engineered DNA devices and cell-free gene expression (CFE) to rapidly produce combinations (cocktails) of bacteriocins comprising both linear and circular proteins. Other cocktails were designed to target a specific bacterial species by leveraging insights into bacteriocin pathways for cell envelope penetration. …”
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63687
Electrochemically Reduced Graphene Oxide-nafion/Au Nanoparticle Modified Electrode for Hydrogen Peroxide Sensing
Published 2016-04-01“…The sensor also indicated great sensitivity (574.8 μA/(mM cm2)), wide linear range (0.02-23 mM), good selectivity and reproduci‐ bility, and long-term stability.…”
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63688
Cormic Index Profile of Children with Sickle Cell Anaemia in Lagos, Nigeria
Published 2014-01-01“…Sickle cell disorders are known to have a negative effect on linear growth. This could potentially affect proportional growth and, hence, Cormic Index. …”
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63689
Automatic mosaic method of remote sensing images based on machine vision
Published 2024-10-01“…On this basis, for remote sensing images with high resolution and a wide range, this study further proposes a remote sensing image automatic mosaic model that combines point features and line features. That is, a linear segment detector (LSD) is introduced to extract the line features of remote sensing images. …”
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63690
A Theoretical Model for Hydraulic Fracturing through Two Symmetric Radial Perforations Emanating from A Borehole
Published 2019-01-01“…The production enhancement of oil, gas, or geothermal reservoirs through hydraulic fracturing requires an in-depth study on the fracture initiation and propagation from the borehole. According to the linear elastic fracture mechanics, a theoretical model is developed to calculate the stress intensity factors of two symmetric radial cracks emanating from a pressurized borehole. …”
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63691
Generalized Propensity Score Matching with Multilevel Treatment Options
Published 2013-03-01“…Results are compared with multivariate regression analysis, where the generalized linear model is used with gamma family and log link function…”
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63692
ANALYSIS THE EFFECT OF PRIMARY COIL LENGTH OF TRANSFORMATOR TO THE RESULTED ELECTROMOTIF FORCE
Published 2019-04-01“…Based on the resulted graph, the relationship of the length variant of primary coil is linear to the voltage measured in the secondary coil.with determination coefficient (R2) of 0.9603, 0.9775, and 0.9822 respectively forlength of 3 cm, 6 cm, and 9 cm of the secondary coil.…”
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63693
Direct Zinc Determination in Brazilian Sugar Cane Spirit by Solid-Phase Extraction Using Moringa oleifera Husks in a Flow System with Detection by FAAS
Published 2011-01-01“…The analytical curve was linear from 2 to 50 μg L-1, with a correlation coefficient of 0.9996. …”
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63694
The Influence of Principal Leadership and Teacher Self-Development on the Professional Competence of Public High School Teachers
Published 2025-08-01“…The data were analyzed using SPSS through simple and multiple linear regression, correlation, and coefficient of determination analysis. …”
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63695
Efeitos de um derrame experimental de óleo bunker na sobrevivência e taxas de crescimento de plântulas de Laguncularia racemosa (Combretaceae)
Published 2012-11-01“…Os resultados foram analisados por ANOVA de medidas repetidas e regressão linear. Nas primeiras sete semanas foram observadas clorose, perda de folhas e taxa de mortalidade significativamente superior para as plantas de todos os tratamentos em comparação com o grupo controle. …”
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63696
Synthesis of Trigeneration Systems: Sensitivity Analyses and Resilience
Published 2013-01-01“…The following information is utilized to formulate an integer linear programming model: (1) energy service demands of the hospital, (2) technical and economical characteristics of the potential technologies for installation, (3) prices of the available utilities interchanged, and (4) financial parameters of the project. …”
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63697
AMPLITUDE-PHASE DISTRIBUTION MEASUREMENT PLANE DIMENSIONS INFLUENCE ON THE HOLOGRAPHIC METHOD ANTENNA ARRAY RADIATION PATTERN RECONSTRUCTION ERRORS
Published 2020-03-01“…Antenna emitters are excited with a combined amplitude distribution and linear phase distribution. The field in the longitudinal zone of the lattice is determined using the Kirchhoff integral. …”
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63698
Grip and manipulation forces are controlled independently in a coupled bimanual task
Published 2025-03-01“…The task objective was to puncture a virtual tissue, modeled as a linear spring, and stop immediately after, with the hands arranged in front and back positions in the movement direction. …”
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63699
Experimental Study on the Caustics of Moving Cracks and Elliptical Curvature under Impact Loading
Published 2021-01-01“…A dynamic caustics test system was used, and different moving cracks were analysed to study the interaction between the crack growth rate, stress intensity factor, and curvature of the elliptical end of a moving crack under impact loading. Based on the linear elastic fracture mechanics theory, linearly fitting of the crack tip stress intensity factor and the elliptical curvature were employed to obtain the specific functional expressions. …”
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63700
The Impact of Heavy Work Investment on the Economy and the Individual
Published 2020-11-01“…The research methods used in the study were mainly of a quantitative nature: bibliometric and econometric analysis (linear regression with cross-section data). The data used in the econometric models constructed were taken over from two sources: Eurostat and the World Bank. …”
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