Rapid Determination of Fatty Acids in Ziziphi Spinosae Semen from Different Origins by Internal Extractive Electrospray Ionization Mass Spectrometry by Peng LIU, Ning WANG, Si-yu XIE, Le-ting WANG, Zhe-hao LIANG, Run-chen LAI, Man-man QIN

Get full text

Reduction of friction by normal oscillations. II. In-plane system dynamics by Xinyu Mao, Valentin L. Popov, Jasminka Starcevic, Mikhail Popov

Get full text

Influence of static balances level on competitive performance indicators of athletes 17-21 years old in beach volleyball by Olexandr Solovey, Valeriy Hunchenko, Dmytro Solovey, Krzysztof Wnorowski

Get full text

Study on Injection Allocation Technology of Layered Water Injection in Oilfield Development by Xianing Li, Bing Hou, He Liu, Hao Guo, Jiqun Zhang

“…The injection allocation strategy was optimized using a hybrid approach combining the splitting coefficient method and grey correlation analysis. Key challenges identified in the study area include severe reservoir heterogeneity, poor injection–production correspondence, rapid water cut escalation, and low recovery rates. …”
Get full text

Response of AlphaGUARD PQ2000 radon detector to 220Rn in diffusion mode by XIAO Yasong, HE Zhengzhong, WANG Kexin, FENG Jialu, LYU Lidan

“…The presence of high-concentration 220Rn can affect the accuracy of 222Rn concentration measurements.PurposeThis study aims to measure radon concentration more accurately by investigating the variation in the response coefficients of the AlphaGUARD PQ2000 radon monitor to 220Rn under thoron gas concentrations with different wind speeds and directions within a standard radon chamber.MethodsThe single-scintillation proportional counter flow gas static method was employed to determine the thoron concentration in this study. …”
Get full text

Treatment of Textile Industrial Wastewater using Membrane Technology: A Review by Amillia Amillia, Maryudi Maryudi, Firda Mahira Alfiata Chusna, Dhias Cahya Hakika, Aster Rahayu, Imam Santosa, Hamad Khudhair Mohammed

“…Membrane technology is one of the appropriate methods for treating textile wastewater due to several advantages such as environmentally friendly and biopolymer-based processing. …”
Get full text

Speed and Path Planning Optimization of Autonomous Vehicle to Minimize Lap Time in Racing Track by Young-Jin Roh, Ji-Ung Im, Jong-Hoon Won

“…This study proposes a trajectory optimization method for racing vehicles, aiming to maximize speed and path planning performance by estimating tire friction coefficients. …”
Get full text

Prediction of the Characteristics of Concrete Containing Crushed Brick Aggregate by Marijana Hadzima-Nyarko, Miljan Kovačević, Ivanka Netinger Grubeša, Silva Lozančić

“…By testing various minimum leaf sizes and ensemble methods such as Random Forest and TreeBagger, the study evaluates metrics including Root Mean Squared Error (RMSE), Mean Absolute Error (MAE), Mean Absolute Percentage Error (MAPE), and the coefficient of determination (R²). …”
Get full text

Determination of A1 and A2 β-casein in cow milk by high-performance liquid chromatography tandem mass spectrometry by Fengen Wang, Min Ding, Ruiju Li, Kun Wang, Xiuxin Zhao, Xia Li, Zengmei Li, Shiming Guo, Ligang Deng, Jianbin Li

“…The method demonstrated good specificity, sensitivity, and linearity for both A1 and A2 characteristic peptides, with limit of detection of 0.01 and 0.03 mg/L, limit of quantitation of 0.03 and 0.1 mg/L, and determination coefficients of 0.9994 and 0.9992, respectively. …”
Get full text

Study on the Changes in Sediment Transport Capacity and Response Relationships in Different Segments of the Jingjiang Reach after the Operation of the Three Gorges Reservoir by Shen Minghui, Hu Chunhong, Li Yuchen, Guo Shuai, Shi Hongling

“…The STR for different segments of the Jingjiang reach is calculated, with a focus on determining the degree of scouring post-reservoir operation. …”
Get full text

The Process Characteristics of Rapid Freezing: Continuous and Discrete Heat Removal Method by Neverov E., Lifenceva L., Usov A.

“…The method makes it possible to determine the temperature at any time. …”
Get full text

Rationale for using the capacity method to assess the blending irregularity of heterogeneous textiles by Danila A. Yasneu, Dzmitry B. Ryklin

“…Devices whose operating principle is based on the use of the capacitive method, designed to determine the unevenness of linear density, do not allow for assessing the blending irregularity of heterogeneous fibrous products. …”
Get full text

A Method for Assessing the State of the Snow and Ice Cover by the Brewster Angle by V. G. Mashkov, V. A. Malyshev, P. A. Fedyunin

“…The error in determining the relative permittivity and the depth of k layers under an increase in the RMS values of the noise level from 3.8 to 4.8 with a step of 0.1 for 100 implementations of each with a probability of 0.95 does not exceed 10 %, which confirms the validity of this method. …”
Get full text

Determination of Pyrethroids in Paris polyphylla Sample by High-Performance Liquid Chromatography Using Ultrasound-Assisted Magnetic Solid-Phase Extraction by Wei Zhang, Xin Zhao, Hengling Meng, Jin Yang, Xiang Wei, Yong Min

Get full text

Calculation of Heat Exchange on the Surface of a Flexible Heat Exchanger for Use in Mobile Hospitals by I. L. Lokova, A. S. Kalinichenko

“…The following dependence is built lgNu = f(lg(Gr×Pr)), which allows to determine value of heat exchange coefficient for given range of temperature. …”
Get full text

Determination of Effective Weather Parameters on Rainfed Wheat Yield Using Backward Multiple Linear Regressions Based on Relative Importance Metrics by Mehdi Bahrami, Ali Shabani, Mohammad Reza Mahmoudi, Shohreh Didari

“…It is necessary for decision-makers and governments to predict the yield of rainfed wheat before harvest and to determine the effect of the major factors on it. Different methods have been suggested for forecasting yield with various levels of accuracy. …”
Get full text

Quantitative Analysis of the Labeling Quality of Biological Images for Semantic Segmentation Based on Attribute Agreement Analysis by Rong Xiang, Xinyu Yuan, Yi Zhang, Xiaomin Zhang

Get full text

Les disparités socio-économiques dans le gouvernorat de Sidi Bouzid (centre ouest de la Tunisie) by Fadhel Heni, Mohsen Dhieb

“…This current research aims to study regional disparities, analyse levels of development, identify the most developed areas and disadvantaged areas and determine the explanatory factors in the state of Sidi Bouzid. …”
Get full text

Determination of Multiple Fluorescent Brighteners in Human Plasma Using Captiva EMR-Lipid Clean-Up and LC-MS/MS Analysis by Yubing Yan, Bowen Liang, Jiawen Yang, Qing Deng, Xiaoying Liang, Hui Chen, Bibai Du, Lixi Zeng

“…Addressing this gap, this study developed and validated a novel method for the simultaneous determination of 13 FBs at trace levels in human plasma using solid-phase extraction combined with HPLC-MS/MS. …”
Get full text

Application of the Brake-Marker for Parameterisation of the Vehicle Braking Process by Lewiński Ryszard, Hryciów Zdzisław, Luty Witold

Get full text