Optimization of EMS Station Layout Based on a New Decision Support Framework by Peng Yang, Bozheng Zhang, Jingrong Yang

“…Employing the k-means clustering algorithm in combination with the elbow method and silhouette coefficient method, we conduct a clustering analysis on a patient call record dataset. …”
Get full text

Non-destructive Thermal Monitoring of Temperature and Flow Rate of the Heat Carrier in a Heating Device by Pavlov Mikhail Vasilyevich, Karpov Denis Fedorovich, Vafaeva Khristina Maksudovna, Reddy G. Keerthi, Makhija Himanshu, Deorari Rajesh, Verma Raman, Raju K. Butchi, Tiwari Deepak Kumar

“…The relative error in determining the heat transfer coefficient of the heating device does not exceed ±1%.…”
Get full text

Research on tetrahedral adaptive mesh grading refinement for intersecting faults by CHEN Yingxian, ZHU Zhe, MA Huiru, FU Jiepeng

“…To improve the accuracy of tetrahedral mesh models for such complex fault systems, this study proposed a tetrahedral adaptive mesh grading refinement method specifically for intersecting faults. Initially, the refinement range around the fault was adaptively determined based on a fault influence formula. …”
Get full text

Design and Experimentation on a Pneumatic Corn Seed Metering Device with Assisted Seed-Filling and Airflow-Guided Seed Release by Jiahua Yan, Guangwei Wu, Rui Liu, Liwei Li, Yuejin Xiao, Junxian Guo, Bingxin Yan

“…The key structural parameters of the conical deflector-groove seed metering disc and the homologous airflow-assisted seed release mechanism are determined. The test factors were working pressure and operating speed, and the evaluation indicators were the qualified particle spacing index, missed sowing index, resowing index, and qualified particle spacing variation coefficient. …”
Get full text

Comparison of the Effect of Different Microbial Agents on the Decomposition of Rice Straw by Yufei Li, Kaifeng Shuai, Juan Li, Xinyu Hu, Guanghui Chen

“…This research provides a new viewpoint for the efficient utilization of straw resources.…”
Get full text

Multi-Strategy Fusion Path Planning Algorithm for Autonomous Surface Vessels with Dynamic Obstacles by Yongshun Xie, Chengyong Liu, Yixiong He, Yong Ma, Kang Liu

“…The enhanced FMM improves the overall optimality and safety of the determined path in comparison to the conventional approach. …”
Get full text

Prediction and optimization of robot processing technology based on neural network and genetic algorithm by Fusen WU

“…This study aims to explore the optimal processing methods for stone industrial robots' grinding operations using BP neural networks and genetic algorithms, taking the processing of sandstone as an example.MethodsTaking the KUKA KR60L30HA industrial robot equipped with a brazed flat grinding head as the representative, the effects of different grinding process parameters on grinding force signals were systematically analyzed by the orthogonal test method. …”
Get full text

Modeling the critical rotation speed of a bladed rotor with bent blades in a circulation mixer of feed mixtures by T. M. Kovaleva, S. M. Vedishchev, V. Yu. Zaitsev, V. V. Konovalov

“…The lowest critical values of the rotor-loader rotation frequency from the condition of particle movement along the blade correspond to the blade bend angle of 27–60° and are determined by the friction coefficient of the material, amounting to 83–78 min-1. …”
Get full text

Reliability and construct validity of the Ottawa valve collapse scale when assessing external nasal valve collapse by Hedyeh Ziai, James P. Bonaparte

“…However, these methods are dichotomous and do not provide ordinal severity information. …”
Get full text

Research progress and prospects of coal and gas outburst and composite dynamic disaster warning systems in China by Zhigang ZHANG, Qinghua ZHANG, Jun LIU

“…In order to further improve the effective and precise prevention and control of dynamic disasters such as gas and rock burst in deep and high-strength mining mines, enhance the level of mine intelligence, and ensure the safe and efficient mining capacity of mines, this paper elaborates on the research status of coal and gas outburst and its composite dynamic disaster warning methods and systems in China. …”
Get full text

Synthesis, physical and chemical properties of 5-(adamantane-1-yl)-4-amino-1,2,4-triazole-3-thiol derivatives by V. M. Odyntsova

“…Implementation of new highly efficient drugs in medical practice is one of the most urgent problems of modern pharmaceutical industry. …”
Get full text

Perception of operational environment conditions and situations as a prediction of adaptive potential in servicemen by V. V. Kalnysh, A. V. Shvets, O. V. Maltsev, I. K. Sereda, A. Yu. Kikh, K. Yu. Marushchenko

“…The HRV parameters of the studied servicemen were determined by standard methods using computer rhythmograph. …”
Get full text

An Enhanced Measurement of Epicardial Fat Segmentation and Severity Classification using Modified U-Net and FOA-guided XGBoost by Rajalakshmi K, Palanivel Rajan S

“…In addition, a metaheuristic optimization algorithm from falcon optimization algorithm (FOA) is used for efficient feature selection. The selected features are then classified using the XGBoost algorithm to determine the fat severity. …”
Get full text

The Effects of Government Policies towards Contraception Use in Women by Núñez Gough, Audrey Janet

“…Therefore, this paper compares Honduras and Belize, who provides direct and indirect support towards contraceptives, respectively. First, the coefficient on nationality tells us if women in Honduras are using more birth control methods than women in Belize. …”
Get full text

Based on Fuzzy Measure Algorithm Message Adaptive Rate Algorithm of Internet of Things by Zhijie Zhang

“…It proved that the method was more efficient than the original LoRaWAN adaptive data rate control algorithm.…”
Get full text

Investigating the Relationship between Somatotype and Temperament (Mizaj) in Non-athletic Male Students by Reza Farzizadeh, saeed vahedi, milad Rahati

“…The relationship between the Mizaj index and somatotype was investigated using the Eta correlation coefficient method. Data analysis and hypothesis testing were tested in SPSS software version 21 with a significance level of p ≥ 0.05. …”
Get full text

Assessment of the reliability of operated sections of highways by Yuri V. Burtyl, Denis V. Kapski, Nadezhda A. Filippova, Alexander A. Neretin

“…The study introduces proprietary quantitative criteria, such as the road structure operational reliability coefficient and the road surface service life coefficient. …”
Get full text

Application of Empirical Orthogonal Function Interpolation to Reconstruct Hourly Fine Particulate Matter Concentration Data in Tianjin, China by Hongwu Zhou, Haidong Pan, Shuang Li, Xianqing Lv

“…Finally, six evaluation indices (mean absolute error (MAE), RMSE, correlation coefficient (Corr), deviation rate bias, Nash–Sutcliffe efficiency (NSE), and index of agreement (IA)) are calculated. …”
Get full text

HIV Preexposure Prophylaxis Practice among Urban Female Sex Workers in Northwest Ethiopia: Using Generalized Structural Equation Modeling by Lakew Asmare MPH, Atalay Goshu MPH, Tihtna Alemu MSc, Ejigu Gebeye MPH

“…As the mediation of effects was present, the direct, indirect, and total effects were determined. A final model was selected based on the statistical significance of the path coefficient. …”
Get full text

Prevalence of Depression Symptoms and its related Factors in School Students by Khadijeh Jahangasht, Shahla Asiri, Sedigheh Pakseresht, Ehsan Kazemnejad Leili

“…The validity of the tool was determined by content validity. To determine the reliability, 15 subjects were studied with the tools, twice every other day. …”
Get full text