Modeling study of uniaxial compressive strength prediction from similar analog drilling test signals by Heqing LIU, Jiankang LIU, Jian HAO, Lijin ZHAO, Jianquan TANG

“…By varying the number of hidden layers, population and training function of GA−BP neural network, the factors affecting the prediction model and the results are discussed and analyzed to determine the optimal prediction model structure. The results indicate that there is a responding relationship between the vibration signal with drilling and the UCS of similar simulated materials, and the accuracy of the constructed prediction models are above 70%, and the research method of predicting the UCS with the perception of vibration signal with drilling has certain feasibility; The model results are optimal when trainlm is chosen for the training function, the hidden layer is 8, and the number of populations is 20,with coefficients of determination of 0.761 and 0.745 for the training set and the test set, respectively, the root-mean-square errors are 6.039 MPa and 4.254 MPa, and the mean absolute errors are 6.574 MPa and 4.716 MPa, respectively. …”
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Development of Decline Curve Analysis Parameters for Tight Oil Wells Using a Machine Learning Algorithm by Weirong Li, Zhenzhen Dong, John W. Lee, Xianlin Ma, Shihao Qian

“…Overall coefficients of determination (R2) of the three Arps decline curve factors were 0.966, 0.990, and 0.945. …”
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Estimating Chlorophyll-a Concentrations in Optically Shallow Waters Using Gaofen-1 Wide-Field-of-View (GF-1 WFV) Datasets from Lake Taihu, China by Fuli Yan, Yuzhuo Li, Xiangtao Fan, Hongdeng Jian, Yun Li

“…This paper identifies submerged and emergent plants, determines the retrieval models for the upwelling (K_u) and downwelling (K_d) irradiance attenuation coefficients, and proposes a phytoplankton chlorophyll-a retrieval model using a water depth optimization-based method to remove the bottom effect. …”
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Nitrogen-rich covalent organic polymers for efficient solid phase extraction of nonsteroidal anti-inflammatory drugs from water samples by Yuqi Cheng, Jia Li, Xiaochen Xiu, Xinghua Teng, Wen Zhang, Lei Ji, Leilei Wang

“…The practical application of the method was confirmed through the successful determination of NSAIDs in tap water, surface water, and sewage. …”
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Rapid Analysis of 18 Flavonoids in Tea by Ultrahigh-Performance Liquid Chromatography Coupled with Quadrupole-Time of Flight Mass Spectrometry by Jian Li, Junmei Ma, Qiang Li, Liangna He, Mingxing Zhang, Lei Zheng, Yan Zhang

“…A method was established for the determination of 18 flavonoids in tea by ultra-performance liquid chromatography coupled with quadrupole/time-of-flight mass spectrometry (UPLC-Q-TOF/MS). …”
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Study on the Compatibility of C₆F₁₂O Gas Mixture with EPDM by Shuangshuang TIAN, Benli LIU, Guangyu DENG, Xiaoxing ZHANG, Huihui LI, Weihao LIU, Hui CHEN

“…For new eco-friendly insulation gas, its compatibility with the internal sealing materials of the equipment is also need to be considered.Method The experimental study on the compatibility between the C₆F₁₂O/CO₂ gas mixture and the sealing rubber EPDM was carried out by building a thermally accelerated compatibility experimental platform in this paper. …”
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Grape Value Chain Analysis with Emphasis on Raisin Crop in Hamedan Province by S.M. Seyedan, M. Motaghed

“…Various methods exist for analyzing the value chain, with the SWOT analysis (identifying strengths, weaknesses, opportunities, and threats, as well as determining strategic positioning) being the most significant. …”
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Validity and Responsiveness of a Modified Balance Error Scoring System Assessment Using a Mobile Device Application in Patients Recovering from Ankle Sprain by Michael S Crowell, Eliot Thomasma, Erin Florkiewicz, Richard Brindle, Megan Roach, Donald Goss, Will Pitt

“… # Study Design Case-control study. # Methods Twenty-two military academy Cadets with an acute ankle sprain and 20 healthy Cadets were enrolled in the study. …”
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Sorption of picolinic acid by Cu(II)-containing sulfocationite KU-2-8 by H. N. Altshuler, V. N. Nekrasov, S. Yu. Lyrshchikov, O. H. Altshuler

“…To study the equilibrium distribution of components between KU-2-8 sulfocationite and an aqueous solution containing picolinic acid and Cu(II); to show the possibility of immobilization of cations of picolinic acid and Cu2+ in sulfonic cation exchanger KU-2-8; to calculate the component compositions of the equilibrium solution, in order to obtain the required ionic composition of the KU-2-8 sulfonic cation exchanger according to the selectivity coefficients of binary ion exchange, and the constants of formation of such complexes in water.Methods. …”
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From pollution to progress: a decomposition analysis of decoupling performance for industrial pollution in China by Huan Zheng, Hongchen Zhang, Yuan Qian, Yuan Qian, Zan Chen, Zan Chen, Lin Zhao, Lin Zhao, Sulian Wang

“…Employing the Tapio decoupling method, this study quantifies the spatiotemporal decoupling of three key industrial pollutants (sulfur dioxide, nitrogen oxide, and smoke/dust) from industrial economic growth, followed by the Logarithmic Mean Divisia Index (LMDI) decomposition method to identify their driving factors. …”
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Precise nutrition 1: Standardization of the KOH protein solubility test for soybean meal in a single commercial laboratory and correlation to in vivo poultry amino acid digestibili... by Nelson Ruiz, Carl M. Parsons, Brian Steinlicht, Dave Taysom, Xin Wu, Fiona Liu

“…The standardized protocol yielded KOHPS values from 50 to 56 % for the low solubility SBM reference sample and 3 samples known to have low in vivo digestible Lys coefficients (0.73 to 0.77). In conclusion, a standardized protocol is now available for the determination of KOHPS of commercial SBM that will allow regression equations to be developed for the estimation of digestible AA.…”
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The spillover effect of Financial Decentralization on Efficiency of public Transprt Delivery in the Provinces of Iran during 2006-2016: Using Spatial Econometrics by Mohammad Hassan Fotros, Mohammad Alizadeh, Maryam KHodaverdi Samani

“…In the second step, the space panel analysis method is used to investigate the effect of financial decentralization on the estimated efficiency coefficients. …”
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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. …”
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Tridiagonal Hamiltonians modeling the density of states of the double-scaled SYK model by Pratik Nandy

“…We then tridiagonalize the Hamiltonian to determine the mean Lanczos coefficients within the parameter range. …”
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Testing the characteristics of portable PM monitors in laboratory conditions by Tasić Viša, Topalović Dušan, Radović Bojan, Kamenović Vladan, Kovačević Renata

“…The results of measuring the concentrations of suspended particles PM10 and PM2.5 obtained using the reference gravimetric measurement method were compared with the results of PM monitors, which use low-cost sensors based on the principle of light scattering to determine the concentrations of suspended particles. …”
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The varied Q creatinine in multi ethnics population and impact of adopting three different estimated glomerular filtration rates based on creatinine in adult populations: a call fo... by Ferdy Royland Marpaung, Santi Wulan Purnami, Shofi Andari, Ali Rohman, Reny I’tishom, Hari Basuki Notobroto, Jusak Nugraha, Risky Vitria Prasetyo, Djoko Santoso, Etienne Cavalier, Aryati Aryati

“…The CKD-EPI2009 eGFR was employed as corresponding GFR in the comparisons. The Bland–Altman method was used to determine the average discrepancies and 95% confidence intervals of eGFR between each formula. …”
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Construction of a model of subsoil moisture movement in cultivated slope lands by Andrey A. Mikhaylin

“…As the result, a mathematical model of subsoil moisture transfer was proposed on the basis of the Navier-Stokes equation for water movement in a porous medium. This let to determine the main parameters of the moisture transfer dynamics in the layer under consideration: the coefficients of diffusivity, moisture conductivity and capillary absorption capacity. …”
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Factors of visual organization effective on the protection of vernacular landscapes in the foothill villages by Faezeh Asadpour, Jamal-e-Din Mahdinejad, Ali Sharghi, Bahram Saleh Sedghpour

“…This is an exploratory study in terms of nature and is descriptive-survey research in terms of data collecting method. The statistical population comprises 31 experts in architectural and rural fields who were interviewed through a non-random network method. …”
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Simulation of cathode surface sputtering by ions and fast atoms in Townsend discharge in argon-mercury mixture with temperature-dependent composition by G. G. Bondarenko, V. I. Kristya, D. O. Savichkin, P. Żukowski

“…The aim of this work was development of a model, describing transport of electrons, ions and fast atoms in the one-dimensional low-current gas discharge in argon-mercury mixture, and determination of the dependence of their contributions to the cathode sputtering, limiting the device service time, on the temperature.For simulation of motion of electrons we used the Monte Carlo method of statistical modeling, whereas the ion and metastable excited atom motion, in order to reduce the calculation time, we described on the basis of their macroscopic transport equations, which allowed to obtain their flow densities at the cathode surface. …”
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Deep Learning-Based Cardiac Chamber Segmentation in Magnetic Resonance-Guided Adaptive Radiation Therapy by Xinru Chen, PhD, Yao Ding, PhD, Julius Weng, MD, Carol C. Wu, MD, Yao Zhao, PhD, Angela Sobremonte, BS, Mustefa Mohammedsaid, MS, Zhan Xu, PhD, Xiaodong Zhang, PhD, Joshua S. Niedzielski, PhD, Sanjay S. Shete, PhD, Laurence E. Court, PhD, Zhongxing Liao, MD, Jihong Wang, PhD, Ergys Subashi, PhD, Percy P. Lee, MD, Jinzhong Yang, PhD

“…Three flip angles were tested for each sequence to determine optimal image quality for chamber segmentation. …”
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