Effects of temperature on the pollination biology of Luntai Xiaobai apricot by XIE Lixing, TIAN Baolian, TANG Zhanghu, ZHU Zongcai, Abulaike Niyazi, ZHANG Dahai, LUO Shudong

“…[Methods] The dynamic flowering of Luntai Xiaobai apricot was observed and recorded from March to April 2024. …”
Get full text

Persian version of diabetes burnout scale among patients with type 2 diabetes: a validation study by Alireza Jafari, Hadi Tehrani, Fatemehzahra Naddafi, Mahbobeh Nejatian, Azar Khorshahi, Mahdi Gholian‑Aval

Get full text

Study on the fusion of improved YOLOv8 and depth camera for bunch tomato stem picking point recognition and localization by Guozhu Song, Jian Wang, Rongting Ma, Yan Shi, Yaqi Wang

“…Subsequently, the optimized K-means algorithm, utilizing K-means++ for clustering centre initialization and determining the optimal number of clusters via Silhouette coefficients, is employed to segment the fruit stalk region. …”
Get full text

Estimating Canopy Chlorophyll Content of Potato Using Machine Learning and Remote Sensing by Xiaofei Yang, Hao Zhou, Qiao Li, Xueliang Fu, Honghui Li

“…For the single-fertility and full-fertility phases, respectively, the optimal coefficients of determination (R²s) were 0.60, 0.66, and 0.87, the root-mean-square errors (RMSEs) were 2.63, 3.23, and 2.39, and the mean absolute errors (MAEs) were 2.00, 2.75, and 1.99.…”
Get full text

Impact of cutting forces on surface quality in finish face milling of compacted graphite iron with CBN and nitride ceramic tools by S.I. Radkevych

“…For all the built models, the value of the determination coefficients R² is 96–99 %, which indicates a high accuracy of approximation of the experimental data. …”
Get full text

Feasibility of YOLOX computer model-based assessment of knee function compared with manual assessment for people with severe knee osteoarthritis by Tao Yang, Jie Zhao, Ben Wang, Li Wang, Hengzhe Bao, Bing Li, Wen Luo, Huiwen Zhao, Jun Liu

“…Abstract Objective This study aimed to assess the feasibility of computer model-based evaluation of knee joint functional capacity in comparison with manual assessment. Methods This study consisted of two phases: (1) developing an automatic knee joint action recognition and classification system on the basis of improved YOLOX and (2) analyzing the feasibility of assessment by the software system and doctors, identifying the knee joint function of patients, and determining the accuracy of the software system. …”
Get full text

Modeling of Wave Processes in Hydraulic Drive Systems of Technological Equipment by Ivanchuk Y. V., Belzetskyi R. S., Ozeranskyi V. S., Khomenko V. M., Dobrovolska K. V.

“…A partial solution of Navier–Stokes equations, under zero initial conditions, is proposed in the form of four-pole equations, the components of which are represented in the form of the Laplace image of the corresponding relative pressure and flow coordinates and the the hydraulic line parameters determine the four-pole elements themselves It is also proposed to determine the values of the four-pole elements based on time constants and relative damping coefficients on the frequency characteristics of hydraulic lines with distribution parameters based on the condition of equality of the first resonant frequencies and amplitudes (at these frequencies). …”
Get full text

Research Tests of Drill Seeder with Control and Monitoring Unit of Seed Metering Device for Differentiated Dosing of Seeds and Mineral Fertilisers in Precision Agriculture by Zolotukhin Yevgeniy, Nukeshev Sayakhat, Amantayev Maxat, Rustembayev Arman, Kakabayev Nurbol, Kravchenko Ruslan

“…The research tests of the drill seeder with the control and monitoring unit of seed metering device were conducted in this field conditions, and the results were processed using the method of variational statistics. The analysis of the assessment of agrotechnical performance of the seeder shows that the values of the unevenness of sowing between devices and the instability of total sowing (in the coefficients of variations, %) meet agrotechnical requirements. …”
Get full text

Application of Levi’s Muscle Index in frailty assessment: comparison of bioimpedance measures among older adults by Kworweinski Lafontant, Kworweinski Lafontant, David H. Fukuda, Estefania Zamarripa, Estefania Zamarripa, Abigail L. Tice, Jethro Raphael M. Suarez, Jethro Raphael M. Suarez, Chitra Banarjee, Chitra Banarjee, Dahee Kim, Jeffrey R. Stout, Jeffrey R. Stout, Joon-Hyuk Park, Joon-Hyuk Park, Rui Xie, Rui Xie, Rui Xie, Ladda Thiamwong, Ladda Thiamwong

“…Despite the emerging clinical utility of bioelectrical impedance analysis (BIA) and phase angle (PhA) as a bioimpedance index, little is known about how bioimpedance indices such as Levi’s Muscle Index (LMI), reactance/height (Xc/Height), and resistance/height (R/Height), relate to physical function and frailty.MethodsThis cross-sectional study examined 208 community-dwelling older adults (female, n = 183; age = 74.2 ± 6.9 years; BMI = 30.4 ± 6.4 kg/m2) to compare physical function measures and bioimpedance indices across frailty categories determined by the FRAIL questionnaire. …”
Get full text

Assessment of the construct of paranoia in a non-clinical sample: validation of the paranoia scale based on a continuum model by Maryam Amini Fasakhoudi, Abbas Masjedi Arani, Abbas Bakhshipour Roudsari, Maryam Mazaheri, Asma Shahi, Saina Fatollahzadeh, Mohammad Kazem Atef Vahid

“…Methods A total of 470 university students were recruited using a convenience sampling method over a six-month period. …”
Get full text

A Model for Fat Content Detection in Walnuts Based on Near-Infrared Spectroscopy by Langqin Luo, Honghua Zhang, Yu Wang, Jianliang Zhang, Rui Zhang, Shan Gao, Yuanyong Dian, Zijin Bai, Chunhui Feng, Ze Zhang

“…The results show that the correction set and validation set coefficients of determination of the walnut kernel fat content prediction model using the back propagation neural network algorithm were 0.86 and 0.89, respectively, with root mean square errors of 1.56 and 1.58, and an RPD value of 2.57; the coefficients of determination for the calibration and validation sets of SVR were 0.90 and 0.83, respectively, with root mean square errors of 1.76 and 1.70, respectively, and an RPD value of 1.70. …”
Get full text

THE ISSUE OF INSECTICIDE REGULATION ON SKIN SURFACE FOR PREDICTING THE RISK OF OCCUPATIONAL SKIN PATHOLOGY IN AGRICULTURAL WORKERS by Heorhii P. Bardov, Mykola V. Kondratiuk, Olena P. Vavrinevych, Oleksandr S. Vavrinevych

“…When comparing hazard coefficients for percutaneous absorption calculated using different models, no significant differences were found between the risks assessed using DE AOEL and ADderm for individual technological operations across different application methods, except for knapsack spraying operators. …”
Get full text

PROFIT AND PROFITABILITY OF THE COMMERCIAL COMPANIES DEALING WITH DAIRY FARMING by Agatha POPESCU, Alina MARCUTA, Cristina TINDECHE, Carmen ANGELESCU, Liviu MARCUTA

“…The paper analyzed net profit and profitability of a panel of six commercial companies (C1-C6) raising dairy cows and supplying milk on the capital market in the period 2009-2018, based on the data from Balance Sheets which were processed using fixed index, descriptive statistics, points method, regression modeling, correlations and determination coefficients. …”
Get full text

Utilizing Waste Cotton/Pigeon Pea Stalk Fibers Composites for Enhanced Sound Absorption and Insulation in Automotive Interiors by Ariharasudhan Subramanian, Senthil Kumar Selvaraj, Rajaram Mani, Preethibha Chandrasekaran, Shanthi Kunjuraman, Ramratan Guru, Sakthivel Santhanam

“…According to ASTM standards, the acoustics, thermal conductivity, and physical characteristics of the composite samples were tested to assess their qualities. The impedance tube method detailed in ASTM E1050 was used to determine the sound absorption coefficients (SAC) for acoustics. …”
Get full text

Reliability of ultrasound-based measurements for tongue-palate distance and tongue thickness assessment in healthy individuals by Yan Tang, Shi-Zhen Zhang, Yuan Yao, Ji-Ling Ye, Lei Jin, Li-Li Xu, Xin Jiang, Zhong-Yi Fang

“…Pearson or Spearman correlation analyses and intraclass correlation coefficients (ICCs) were used to determine measurement reliability. …”
Get full text

Vibration fatigue comparative test and life prediction for titanium alloy connection structures by HE Shi, LIU Xiaochuan, LIU Haihan, LI Kaixiang, BAI Chunyu

“…In order to study the vibration fatigue performance of typical titanium alloy connection structures，the typical connection structures with different support shapes and rivet spacing are designed based on TC4 titanium alloy thin plates，a vibration fatigue test system is built，and the vibration fatigue performance of different connection structures under narrowband random loads is compared through experiments. The method for predicting the vibration fatigue life of connection structures based on random vibration <i>S</i>_rms-<i>N</i> curves is proposed by introducing stress severity coefficients and fatigue notch factor. …”
Get full text

Quantitative analysis of curcumin compounds in ginger by ultra-high-performance liquid chromatography coupled with tandem mass spectrometry by Yixuan Jiang, Xiuhua Liu, Yinfeng Zhao, Jiguang Zhang, Jing Qiu, Yongzhong Qian, Rui Weng

“…The extraction solvent, volume of extraction solvent, sonication time, and oscillation time were optimized by a single factor experiment. The method validation results showed that the regression coefficients were higher than 0.9990, and the linearity was satisfactory. …”
Get full text

CCD-Rice: a long-term paddy rice distribution dataset in China at 30&thinsp;m resolution by R. Shen, Q. Peng, X. Li, X. Chen, W. Yuan

“…Compared with 20 544 county-level statistical data, the coefficients of determination (<span class="inline-formula"><i>R</i>²</span>) of single- and double-season rice in each year averaged 0.85 and 0.78, respectively. …”
Get full text

Rapid detection of volatile fatty acids in biogas slurry using near-infrared spectroscopy combined with optimized wavelength selection and partial least squares regression by Honglin Wang, Jinming Liu, Pengfei Li, Chong Tan

“…Model validation yielded determination coefficients of 0.9882, 0.9452, and 0.9483, and root mean square errors of prediction of 0.1193, 0.1178, and 0.5492 for acetic acid, propionic acid, and total acid, respectively, representing reductions of approximately 40 %, 18 %, and 30 % compared to full-spectrum modeling. …”
Get full text

SMART Based Multi-Point Matching Assisted Approximation of Renewable Interconnected Power System by Umesh Kumar Yadav, V. P. Singh, Luigi Fortuna, Umesh Kumar Sahu

“…The errors between expansion parameters obtained in terms of coefficients of HO HPP system and its RO model are minimized around selected multi-points, further. …”
Get full text