Search alternatives:
variable » variables (Expand Search)
coefficiency. » efficiency. (Expand Search)
efficient. » efficiency. (Expand Search)
variable » variables (Expand Search)
coefficiency. » efficiency. (Expand Search)
efficient. » efficiency. (Expand Search)
-
1161
Integration of artificial intelligence and advanced optimization techniques for continuous gas lift under restricted gas supply: A case study
Published 2025-03-01“…In addition, the net present value (NPV) serves as the objective function. To optimize the selected input variables, including tubing inside diameter, gas injection rate, and separator pressure, various optimization algorithms such as particle swarm optimization (PSO), ant colony optimization (ACO), genetic algorithm (GA), and a Novel optimization algorithm in a gas-lift study called grey wolf optimization (GWO), were utilized considering the constraint of the limited available gas. …”
Get full text
Article -
1162
Finite Difference/Fractional Pertrov–Galerkin Spectral Method for Linear Time-Space Fractional Reaction–Diffusion Equation
Published 2025-06-01“…The Pertrov–Galerkin spectral method is adapted using non-smooth generalized basis functions to discretize the spatial variable, and the L1 scheme on a non-uniform graded mesh is used to approximate the Caputo fractional derivative. …”
Get full text
Article -
1163
Predictive model of small choroidal melanoma progression after eye-saving treatment based on clinical, morphometric and immunological parameters
Published 2022-03-01“…A formula was calculated where P (z) is the value of the logistic function; Z, linear combination of symptoms; bo , intercept (free term), bi – regression coefficients for parameters Zi.P (z) = 1 : 1 + e – b0– b1z1– b2z2– b3z3– b4z4The logistic function increases monotonically and takes the values from 0 to 1 for any b and Z values [P∈ (0;1)]. …”
Get full text
Article -
1164
Exploring the Future Energy Value of Long-Duration Energy Storage
Published 2025-03-01“…The negative effect of lower roundtrip efficiency on value is also found to be scenario-dependent, with the energy value in higher VRE scenarios being less sensitive to roundtrip efficiency and more supportive of longer storage durations. …”
Get full text
Article -
1165
Flexible imputation toolkit for electronic health records
Published 2025-05-01“…Pympute’s core algorithm, Flexible, intelligently selects the optimal imputation method for each variable based on its characteristics. Pympute offers a comprehensive suite of functionalities. …”
Get full text
Article -
1166
Optimization of household medical waste recycling logistics routes: Considering contamination risks.
Published 2024-01-01“…To enhance the realism of the simulation, traffic congestion is integrated into the vehicle speed function, reflecting the urban roads' variability. …”
Get full text
Article -
1167
Shell and tube heat exchanger optimization: A critical literature assessment and fairness-based comparative performance analysis of meta-heuristic algorithms
Published 2025-08-01“…In order to make comparisons, the objective function, decision variables and their boundary values were taken as the same. …”
Get full text
Article -
1168
Quantitative comparison between single-photon emission computed tomography and positron emission tomography imaging of lung ventilation with 99mTc-technegas and 68Ga-gallgas in pat...
Published 2019-07-01“…The aim of this study was quantitative comparison between 68Ga-Gallgas positron emission tomography (PET) and 99mTc-Technegas single photon emission computed tomography (SPECT) for lung ventilation function assessment in patients with moderate-to-severe obstructive pulmonary disease and to identify image-derived texture features correlating to the physiologic parameters. …”
Get full text
Article -
1169
Proposing Optimized Random Forest Models for Predicting Compressive Strength of Geopolymer Composites
Published 2024-10-01“…We present a comparative analysis of two hybrid models, Harris Hawks Optimization with Random Forest (HHO-RF) and Sine Cosine Algorithm with Random Forest (SCA-RF), against traditional regression methods and classical models like the Extreme Learning Machine (ELM), General Regression Neural Network (GRNN), and Radial Basis Function (RBF). Using a comprehensive dataset derived from various scientific publications, we focus on key input variables including the fine aggregate, GGBS, fly ash, sodium hydroxide (NaOH) molarity, and others. …”
Get full text
Article -
1170
Cognitive performance classification of older patients using machine learning and electronic medical records
Published 2025-02-01“…Various ML techniques are evaluated to classify cognitive performance levels based on input features such as sociodemographic variables, lab results, comorbidities, Body Mass Index (BMI), and functional scales. …”
Get full text
Article -
1171
Techno-economic assessment of low-carbon ammonia as fuel for the maritime sector
Published 2025-06-01“…We incorporate three different cost levels for ammonia and a variable engine efficiency ranging from 35 % to 55 %. …”
Get full text
Article -
1172
Analysis of Hydrological and Meteorological Conditions in the Southern Baltic Sea for the Purpose of Using LNG as Bunkering Fuel
Published 2025-06-01“…The southern Baltic Sea is characterized by highly variable weather conditions, particularly in autumn and winter, when storms, strong westerly winds, and temporary sea ice formation disrupt maritime operations. …”
Get full text
Article -
1173
Smart technique for calculating fault current model parameters using short circuit current measurements
Published 2025-08-01“…The difference concept can be utilized to obtain precise mathematical formulas for evaluating the parameters of the fault current model. This is for efficient implementation of multiple functions that include digital protective relay, fault locator, digital filter, CT saturation detector and compensator. …”
Get full text
Article -
1174
A toolkit for facilitating markerless integration of expression cassettes in Komagataella phaffii via CRISPR/Cas9
Published 2025-05-01“…Abstract Background The yeast Komagataella phaffii (formerly known as Pichia pastoris) has been widely used for functional expression of recombinant proteins, including plant and animal food proteins. …”
Get full text
Article -
1175
Machine learning projection of climate and technology impacts on crops key to food security
Published 2025-01-01“…Our model is designed to capture the relationships between technology, climate variables and the annual growth rate in crop yield across the world’s producing regions. …”
Get full text
Article -
1176
On the Modular Design Application for the Gas Turbine Sector: A Performance Optimization Approach in the Context of Industry 4.0
Published 2025-02-01“…Indeed, this study presents the functioning of the novel application, the different deployed components and their variables, such as the compressor efficiency, heat exchangers, or turbine stages, and the decision variable, e.g., the costs of generated energy. …”
Get full text
Article -
1177
An Improved Pied Kingfisher Optimizer for Maritime UAV Path Planning
Published 2024-12-01“…Subsequently, a path planning objective function was constructed based on trajectory cost and threat cost to simulate a 3D space for UAV maritime rescue missions, and the IPKO algorithm was applied to address the UAV path planning problem. …”
Get full text
Article -
1178
U-rich elements drive pervasive cryptic splicing in 3’ UTR massively parallel reporter assays
Published 2025-07-01“…Splicing is activated by U-rich sequences, which function as potent position-dependent regulators of 5’ and 3’ splice site choice and overall splicing efficiency. …”
Get full text
Article -
1179
Multi-camera association tracking algorithm for pedestrian target based on difference image
Published 2025-12-01“…The pedestrian target obeys the Laplacian random variable probability density function, and moves according to the center position of the bounding box to ensure that the target tends to move around the starting position, and realizes the multi-camera association tracking. …”
Get full text
Article -
1180
Establishment of an evaluation system for conversion to laparotomy in laparoscopic cholecystectomy and exploration of surgical grading management
Published 2025-01-01“…Then, the risk factors were analyzed by multiple Logistic regression, and the pre-coefficient of each variable of the risk factors was assigned according to the established conversion to laparotomy possibility function. …”
Get full text
Article