-
1061
IRAQ'S AGRICULTURAL ECONOMY AND THE REALITY OF THE VARIABLRS AND THE RESULTS OBJECTIVE CURRICULUM AND QUANTITATIVE ANALYSIS FOR THE PERIOD (1990-2011)
Published 2017-08-01“…The research aims to formulate sober policies and practical actions contribute to adjust the course of the agricultural sector and to achieve its goals, which will make it easier to raise production and productivity, Variables of agricultural sector were agricultural work, capital accumulation agricultural, technical mechanism, technical chemical, agricultural loans, agricultural export, import of agricultural, national income, domestic consumption, the cultivatedareas, that have been expressed as (policies of productivity and investment, marketing and price) where its impact was deare on the growth of the agricultural sector and overall productivity during (1990-2010) and the development process and increase production and productivity in the agricultural sector associated with economic, social and institutional multiple and overlapping factors that effects the forms and varying proportions in its impact on agricultural output, which had been measured under function producing an aggregate of variables agricultural policy and its contribution to productivity growth as well as measuring productivity elements total (TFP) by using index (Malmaquist) depending on the (DEAP). …”
Get full text
Article -
1062
Quality control of DEMs using check surfaces
Published 2025-01-01“…Using the Kolmogorov–Smirnov statistic, the observed distribution functions of the results for different sample sizes (20, 50, 100) and different patch sizes (3 × 3, 5 × 5, 9 × 9, 11 × 11, 15 × 15, 19 × 19) and for a sample of points are compared against the true population distribution function. …”
Get full text
Article -
1063
Neuroscience-informed nomogram model for early prediction of cognitive impairment in Parkinson's disease
Published 2025-06-01“…The least absolute shrinkage and selection operator (LASSO) algorithm was applied to identify highly correlated clinical variables influencing cognitive function. Subsequently, these variables were integrated into a visualized nomogram model to facilitate early prediction of cognitive impairment (CI) risk. …”
Get full text
Article -
1064
A New Optimization Approach for Maximizing the Photovoltaic Panel Power Based on Genetic Algorithm and Lagrange Multiplier Algorithm
Published 2013-01-01“…The technique which is based on objective function represents the output power of the PV panel and constraints, equality and inequality. …”
Get full text
Article -
1065
A Three-Block Inexact Heterogeneous Alternating Direction Method of Multipliers for Elliptic PDE-Constrained Optimization Problems with a Control Gradient Penalty Term
Published 2024-10-01“…In some practical applications, it is necessary to smooth the control variables and suppress their large fluctuations, especially at the boundary. …”
Get full text
Article -
1066
Optimization of Aerodynamic Design of a Winged UAV Through Genetic Algorithms and Large Eddy Simulation
Published 2024-01-01“…Optimization was conducted for six variables in a single stage, with 25 tests performed. …”
Get full text
Article -
1067
Optimal tuning of multi-PID controller using improved CMOCSO algorithm
Published 2024-11-01“…In this model, the parameters are designated as decision variables, the performance index serves as the objective function, and the stability constraints of the system are incorporated. …”
Get full text
Article -
1068
Performance Investigation of Coated Carbide Tools in Milling Procedures
Published 2025-03-01“…The optimization of the manufacturing conditions in milling processes composes a crucial task for enhancing machining efficiency and extending the tool’s lifespan. This study presents an investigation of the cutting tool’s performance under varying machining parameters via the generation of an experimental dataset that was obtained through laboratory-controlled milling operations. …”
Get full text
Article -
1069
Response Surface Optimization of CuS Photocatalytic Process Using UV‐vis Irradiation for Wastewater Treatment
Published 2025-06-01“…Thus, this study aimed to optimize the operating parameters of the photocatalytic degradation process using copper sulphide (CuS) and UV‐visible irradiation via response surface methodology (RSM) to determine the relationship that exists between the most significant factors and the water quality parameters. The efficiency of the CuS photocatalyst was evaluated as a function of three input variables viz. …”
Get full text
Article -
1070
Development of Sub-channel Program and Multi-objective Optimization Method Research for Printed Circuit Heat Exchanger
Published 2024-12-01“…The results of sensitivity analysis show that as the flow channel width and height of the cold side flow channel increase, the sensitivity of the objective function to the variables continues to decrease, the optimization effect gradually becomes worse, and there are optimal design points, which are 4 mm and 1 mm respectively. …”
Get full text
Article -
1071
Optimal power flow using recent red-tailed hawk optimization algorithm
Published 2025-03-01“…The optimal power flow (OPF) solution determines the most efficient and secure operating point by considering certain objective functions and ensuring the system's operational restrictions are met. …”
Get full text
Article -
1072
Compilation of the Accelerated Test Spectrum of Transmission based on Low Loading Strengthening Effect
Published 2016-01-01“…The indoor simulation bench test of transmission is an important method of assessment,evaluation and promotion of its performance.Taking transmission as an example,a program load spectrum compiling method for transmission accelerated fatigue test is presented.The actual road load spectrum of automobile transmission is collected on Automobile Proving Ground in Dianjiang used wireless telemetry technology.The actual load spectrum is pretreated divided gear position,the second gear load spectrum is selected as an example.The frequency distribution matrix of load is obtained based on rainflow counting method,the distributions of mean and range are found to confirm with normal distribution and two- parameter Weibull distribution respectively.The mean of the normal distribution is 91.77 N·m,and the standard deviation is 163.27 N·m,the shape parameter of Weibull distribution is 1.346,and the scale parameter is 305.489,the distributions of load range and mean is independent.The two- dimensional load spectrum with 8×8 levels is established with joint probability distribution function.After two- dimensional load spectra is transformed into one- dimensional 8-level load spectra with variable mean method.Based on damage and low loading strengthening property of half shaft,the equivalent strengthening rule between strengthening loads is explored.By transferring the strengthening loads to the most effective level,the load loading frequency reduced,test efficiency is improved.…”
Get full text
Article -
1073
Physics-augmented deep learning models for improving evapotranspiration estimation in global land regions
Published 2025-08-01“…A Physics-Data Learning (PDL) model is first formed by adding a complementary physical variable generated by Penman–Monteith (PM) equation to a deep learning (DL) model along with driving variables to regress latent heat flux. …”
Get full text
Article -
1074
Effects of Different Irrigation Regimes on Root Growth and Physiological Characteristics of Mulch-Free Cotton in Southern Xinjiang
Published 2025-03-01“…It can be concluded that no mulching has a certain impact on cotton root distribution and leaf physiological function. When the irrigation amount is 450–525 mm and irrigation times is 10–12, it is beneficial for promoting root growth and plays a role in leaf physiological function, and the water use efficiency (WUE) is high, which can provide reference for the scientific water management of mulch-free cotton in production practice.…”
Get full text
Article -
1075
Development and optimization of an electrohydrodynamic dehydrator using ANN-GA for improved energy performance
Published 2025-09-01“…The diffusion coefficient extracted from the moisture ratio function was used to assess the drying kinetics, while SEC was used to evaluate the energy efficiency of the EHD dehydrator under different parameter settings. …”
Get full text
Article -
1076
Two-Echelon Location-Routing Problem with Fuzzy Demand of Rural E-Commerce Logistics
Published 2025-02-01“…Considering fuzzy demand, government subsidies and simultaneous delivery, the objective function aims to maximise the profit of enterprises considering government subsidies. …”
Get full text
Article -
1077
Enhancing wireless applications through reconfigurable electro-mechanical reflectarray antenna design for beam steering
Published 2024-12-01“…The proposed design involves multiple reflective strips at variable heights, enabling significant adaptability to incident waves at various angles. …”
Get full text
Article -
1078
A Low-Complexity Direction-of-Arrival Estimation Algorithm for Noncircular Signals via Subspace Rotation Technique
Published 2023-01-01“…Then, utilizing the separation of variables and the orthogonality between the reduced-dimension noise subspace and the space spanned by the columns of the extended manifold matrix, a new one-dimensional spectral search function is derived to estimate DoAs. …”
Get full text
Article -
1079
Spatiotemporal Multivariate Weather Prediction Network Based on CNN-Transformer
Published 2024-12-01“…However, the existing data-based weather prediction methods cannot adequately capture the spatial and temporal evolution characteristics of the target region, which makes it difficult for the existing methods to meet practical application requirements in terms of efficiency and accuracy. Changes in weather involve both strongly correlated spatial and temporal continuation relationships, and at the same time, the variables interact with each other, so capturing the dynamic correlations among space, time, and variables is particularly important for accurate weather prediction. …”
Get full text
Article -
1080
Improved Nonprobabilistic Global Optimal Solution Method and Its Application in Bridge Reliability Assessment
Published 2019-01-01“…The presented method possessed the advantages of searching all probable failure points and generating less computation, by means of which the values of interval variables were determined based on the monotonicity of performance function to the corresponding variables. …”
Get full text
Article