Search alternatives:
coefficient. » coefficiency. (Expand Search)
efficient. » efficiency. (Expand Search)
coefficient. » coefficiency. (Expand Search)
efficient. » efficiency. (Expand Search)
-
1721
ECOLOGICAL TOLERANCE OF THE SPRING BARLEY VARIETY ‘PRERIYA’ ON THE BLACKEARTH (CHERNOZEM) OF THE ROSTOV REGION
Published 2018-06-01“…The study has found that the cultivation of the spring barley variety ‘Prerie’ is ecologically stable in a five-crop rotation sequence, the structure of which includes peas, winter wheat, sunflower and perennial grasses with subsoil plowing with the use of 1 kg/ha mineral fertilizers N90Р40К90, which provides a minimum variability in yield (10%) and the highest coefficient of environmental stability of the studied variety (0.58). …”
Get full text
Article -
1722
Spatial-temporal Evolution and Driving Factors of Ecological Environment Quality in Weihe River Basin Based on Remote Sensing Ecological Index
Published 2025-01-01“…The average value of the variation coefficient of RSEI in Weihe River Basin is 0.211, showing a low fluctuation as a whole, and the low fluctuation changes are distributed in mountainous areas such as the Qinling mountains, Qianshan, Guanshan and Ziwuling mountains, mainly in areas with high ecosystem functions and relatively stable community structure. …”
Get full text
Article -
1723
Estimation of mineral content in forages by near-infrared reflectance spectroscopy
Published 2002-08-01“…On the contrary, NIRS did not estimate Na content very accurately (R2 = 0.52; coefficient of variability of cross validation (CVSECV) = 35.5%), suggesting that Na is not closely associated with organic functional groups or that the amount of the mineral is below the level of NIRS detection. …”
Get full text
Article -
1724
Morphological and biochemical characterization of Moroccan Opuntia dillenii fruit: Natural source of bioactive compounds
Published 2024-11-01“…Methods:The morphological traits, biochemical parameters, and antioxidant content of the Moroccan O. dillenii fruit fractions, namely peel, juicy pulp, and seeds, were investigated. Results: The coefficient of variation of the morphological traits oscillated between 16.03 % for fruit weight and 51.83 % for seed weight, indicating a broad level of morphological variability. …”
Get full text
Article -
1725
Empirical Validation of a Streamlined Three-Repetition Sit-to-Stand Protocol Using MAI Motion
Published 2025-05-01“…MAI Motion is a motion capture system designed to assess lower-limb biomechanics during functional movements like the sit-to-stand (STS) test. …”
Get full text
Article -
1726
A DQN-Based Algorithm for Operational Optimization of Freight Trains in Long Steep Downhill Sections
Published 2024-08-01“…The study employed the batch collection of training samples utilizing experience replay and a double-network mechanism, along with the preprocessing of neural network state inputs, and the investigation into feasible regions within the action space using a variable ε-greedy strategy. A loss function based on the value function was then constructed, and network parameters were updated iteratively by a batch gradient descent method. …”
Get full text
Article -
1727
Assessment of RBFs Based Meshfree Method for the Vibration Response of FGM Rectangular Plate Using HSDT Model
Published 2023-04-01“…Radial basis functions (RBFs) with modified radial distance are proposed for vibration analysis of functionally graded materials (FGM) rectangular plates. …”
Get full text
Article -
1728
Study of the possibility of controlling the production of low-molecular-weight heparin preparations by domestic test systems (review)
Published 2024-09-01“…The data on the wide clinical use of low-molecular-weight heparin (LMWH) preparations are presented, necessitating the need for efficient and high-quality production of appropriate pharmaceuticals. …”
Get full text
Article -
1729
Integrated neural network framework for multi-object detection and recognition using UAV imagery
Published 2025-07-01“…In the end, using an attention function, Vision Transformer-based models classify vehicles seen from above. …”
Get full text
Article -
1730
Evaluation of the Wind-Resistant Performance of Long-Span Cable-Stayed Bridge Using the Monitoring Correlation between the Static Cross Wind and Its Displacement Response
Published 2018-01-01“…Third, considering that the traditional function cannot match the monitoring correlation very well, some new fitting functions are thoroughly studied to determine the best function for fitting the monitoring correlation. …”
Get full text
Article -
1731
Analysis of Surface Roughness and Machine Learning-Based Modeling in Dry Turning of Super Duplex Stainless Steel Using Textured Tools
Published 2025-06-01“…One of the most critical aspects of turning, and machining in general, is the surface roughness of the finished product, which directly influences the performance, functionality, and longevity of machined components. …”
Get full text
Article -
1732
The Model of Fundamental Chemical Training of Bachelors of Technical and Technological Directions in the Conditions of Blended Learning
Published 2019-07-01“…The concept and the structural-functional model of the fundamental chemical training of bachelors in the information-and-activity-based educational environment of blended learning have been proposed. …”
Get full text
Article -
1733
Understanding the Role of Organic Hole Transport Layers on Pinhole Blocking and Performance Improvement in Sb2Se3 Solar Cells
Published 2024-12-01“…After successive record‐efficiencies using a range of device structures, spiro‐OMeTAD has emerged as the default hole transport material (HTM), however, the function of HTM layers remains poorly understood. …”
Get full text
Article -
1734
Effect of a mix of condense and hydrolysable tannins feed additive on lactating dairy cows’ services per conception and days open
Published 2025-03-01“…Services per conception was modeled as a Poisson count using a generalized linear model with log link function. Days open was modeled with a generalized linear model for a gamma variable with log link function. …”
Get full text
Article -
1735
Synergistic Enhancement of Carbon Sinks and Connectivity: Restoration and Renewal of Ecological Networks in Nanjing, China
Published 2025-01-01“…We propose an innovative carbon sink index (CSI) that integrates three indicators: capacity, efficiency, and variability. This index assesses the carbon sink function of ecological patches from both static and dynamic perspectives. …”
Get full text
Article -
1736
Rational and Irrational Investor Sentiments and Stock Market Returns: Evidence from the Tehran Stock Exchange
Published 2024-09-01“…In the first step, we used an autoregressive distributed lag (ARDL) technique to regress macroeconomic fundamental variables on individual and institutional investor sentiments to decompose the sentiment variables into rational and irrational components. …”
Get full text
Article -
1737
Active Disturbance Rejection Control for an automotive suspension system based on parameter tuning using a fuzzy technique.
Published 2025-01-01“…The proposed method is formed based on the combination of an Active Disturbance Rejection Control (ADRC) technique with control coefficients tuned by a dynamic fuzzy technique formed based on special membership functions called Active Disturbance Rejection Control Based on Fuzzy (ADRCBF). …”
Get full text
Article -
1738
COMPARATIVE ANALYSIS OF THE ACADEMIC PERFORMANCE IN THE AGRICULTURAL UNIVERSITIES FROM ROMANIA AND REPUBLIC OF MOLDOVA USING THE NONPARAMETRIC METHOD OF DATA ENVELOPMENT ANALYSIS
Published 2019-01-01“…As a result of analyzing the academic performance rating by option variable returns to scale, it is possible to determine the resources for improving staff activity by evaluating the distance function for each causal factor.…”
Get full text
Article -
1739
Forecasting Wind Power Generation Using Artificial Neural Network: “Pawan Danawi”—A Case Study from Sri Lanka
Published 2021-01-01“…This paper develops artificial neural network (ANN) models to forecast wind power generation in “Pawan Danawi”, a functioning wind farm in Sri Lanka. Wind speed, wind direction, and ambient temperature of the area were used as the independent variable matrices of the developed ANN models, while the generated wind power was used as the dependent variable. …”
Get full text
Article -
1740
Fault Estimation for Semi-Markov Jump Neural Networks Based on the Extended State Method
Published 2025-05-01“…To alleviate network congestion and optimize communication resources, the Round-Robin protocol is adopted to schedule data transmission efficiently. By constructing a Lyapunov–Krasovskii functional and applying the discrete Wirtinger inequality, sufficient conditions are derived to ensure the mean square exponential stability and dissipative performance of the system. …”
Get full text
Article