Construction of nitrogen critical dilution curve and differences in nitrogen nutrition characteristics in different organs of maize varieties with contrasting nitrogen efficiencies by Shuqin Bao, Xingying Chai, Xingying Chai, Linzheng Liao, Xiaoying Li, Lin Shi, Xixi Dong, Sida Long, Huifu Li, Hanyu Wang, Zhenghong Li, Mengting Wang, Yun Ren, Qiang Li

“…IntroductionThis study aimed to establish and verify a critical nitrogen dilution model for different organs of maize varieties with different nitrogen efficiencies and clarify differences in nitrogen nutritional characteristics.MethodsTwo maize varieties (nitrogen-efficient variety ZH 311 and nitrogen-inefficient variety XY 508) were grown under four nitrogen levels to evaluate N dynamics and dry matter accumulation.ResultsThe results showed that the critical nitrogen concentration dilution curves based on root dry matter, stem-sheath dry matter, leaf dry matter, and plant dry matter, with coefficient of determination (R²>0.90), all reached significant levels and could be used for nitrogen nutrition diagnosis of maize. …”
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Optimization of friction and electrical resistance performance in graphite-copper electrical contacts using Taguchi-based grey relational analysis by Bekhouche Djamel, Bouchoucha Ali, Zaidi Hamid

“…A gray relational grade obtained from gray relational analysis was employed to assess the performance characteristic in the Taguchi mixed L18 (2 1 x 3 2) method. The Taguchi design method determined the optimal control factors that affect the friction coefficient and electrical resistance. …”
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DIFFUSION-WEIGHTED MAGNETIC RESONANCE IMAGING IN THE DIAGNOSIS OF INTERVERTEBRAL DISC DEGENERATION IN THE LUMBOSACRAL SPINE by V. A. Byval’tsev, I. A. Stepanov, A. A. Kalinin, E. G. Belykh

“…Objective: to quantify the degree of degeneration of intervertebral discs (IVDs), by constructing functional diffusion-weighted imaging (DWI) maps, and to determine a correlation between the measured diffusion coefficient (DC) values and IVD changes on T1- and T2-weighted images. …”
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Cloud point extraction coupled with Isooctane back extraction for determination of eight pesticide residues in tea beverages by gas chromatography mass spectrometry by XIE Jie, ZHOU Run, KONG Ling-can, MENG Yuan-hua, WANG Yu

“…The average recovery was 78.3%~98.4%, RSD was 2.7%~8.5% (n=6). Conclusion: The method is simple in operation, high in enrichment rate, practical, safe and economical, which is suitable for rapid determination of pesticide residues in tea drinks.…”
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Tapping into Efficient Learning: An Exploration of the Impact of Sequential Learning on Skill Gains and Learning Curves in Central Venous Catheterization Simulator Training by Haroula Tzamaras, Dailen Brown, Jason Moore, Scarlett R. Miller

“…METHODS 103 medical residents participated in CVC training in 2021 and 2022. …”
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Assessment of Interregional Inequality of Tax Revenues by A. Sh. Kamaletdinov, A. A. Ksenofontov

“…A more accurate picture is described with the quotient of the tax revenues’ division by the labor resources engaged in their creation. Based on the methods used and data provided by the Federal Tax Service of the Russian Federation and Rosstat, was made of the uniformity of tax revenue collection among 85 subjects of the Russian Federation in the period from 2015 to 2020, all applied coefficients and indices were calculated. …”
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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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Analyzing Morphometrics of Sella Turcica, Foramen Magnum and Mastoid Processes Using Head and Neck Computed Tomography for Sex Determination in Egyptian Adults by Emad Ahmad ElSayed Mostafa, Seham Fouad Abdelaal, Hazem Ibrahim korashi, Omar Nasser Kamaleldin

“…This study aims to analyze the morphometrics of the sella turcica, foramen magnum (FM), and mastoid process in adult sex determination. In addition, to identify from the previously mentioned parts which is the most efficient single parameter in adult sex determination. …”
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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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QuEChERS combined with ultra-high performance liquid chromatography-tandem mass spectrometry to determine acrylamide in Xinjiang Naan products by XU Man, SONG Shaolong, HU Jun, SHI Haiyun, LIU Jian

“…ObjectiveThis study aimed to establish a rapid and accurate analytical method for the determination of acrylamide in Xinjiang characteristic Naan products.MethodsThe methodology involved adding the internal standard 13C3-acrylamide isotope to the samples, followed by the sequential addition of 9 mL of water, 10 mL of acetonitrile, 6 mL of n-hexane, 6 g of anhydrous magnesium sulfate, and 1.5 g of sodium acetate salting agent. …”
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Simultaneous and Rapid Determination of Six Tyrosine Kinase Inhibitors in Patients with Non-Small Cell Lung Cancer Using HPLC-MS/MS by Yanping Liu, Hua Liu, Zhewei Xia, Zhipeng Wang, Yunlei Yun, Guanying Zhang, Lifeng Huang, Shouhong Gao, Wansheng Chen

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Investigation of the Kinetics of Heat and Moisture Exchange during Heat Treatment and Drying of Thin Wet Thermal Insulation Materials by A. I. Ol’shanskii, A. N. Golubev

“…The approximation of the drying rate curve by various methods is presented. When determining the duration of drying by zonal methods, the equation of the drying rate with the drying coefficient was used. …”
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The Development of a High-Throughput Homonuclear Decoupling HSQC NMR Platform for the Determination of 10 Sex Hormones in Animal-Source Food and Medicines by Bing Wang, Qing-Zhi Liu, Jing-Ya Yang, Yu-Jie Du, Nai-Shuo Liu, Wei-Liang Cui, Man Yuan, Yong Zhang, Jing-Qi Wang, Dong-Liang Wang, Shu-Qi Wang

“…Owing to their endocrine disruption effect, the hormone levels in animal-source food and medicines need to be efficiently and accurately quantified by a reliable analytical method. …”
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A Comparative Analysis of Energy Efficiency of Two Sprinkler Irrigation Systems for Wheat Cultivation (Case Study: Dehgolan Plains, Kurdistan) by P. Tahmasbi, F. Dalvand, S.A. Hosseini, B. Karimi, H. Ghadrshnas

“…The required input factors for wheat production in each hectare were determined. The amount of different input factors for conversion to energy standard was calculated using energy coefficients and equivalents. …”
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Determination of 17 types of phthalates in drinking water by solid-phase extraction coupled with multiple reaction monitoring of gas chromatography-mass spectrometry by SHI Mengxing, YANG Yan, DU Limin

“…The precision and accuracy of this method were assessed by determining the standard curves, detection limits, quantification limits, relative standard deviations (RSD) and average spiked recovery rates for the 17 types of PAEs. …”
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ENERGY AUDIT AS TOOL FOR DECREASING OF ENERGY CONSUMPTION by Tirshu M., Zaitsev D.A., Golub I.V.

“…Four energy audits were for energy efficiency in buildings; two energy audits were for efficient public lighting system and one for efficient lighting system within the organization. …”
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Investigation of Indirect Shear Strength of Black Shale for Urban Deep Excavation by Mintae Kim

“…The effects of experimental methods and diametric loading on the elastic constant determination were evaluated and analyzed, and the indirect shear strength of the black shale, considering anisotropy, was determined using the estimated stress concentration coefficient. …”
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Microwave-assisted synthesis of antimony oxide nanoparticles for the determination of trace cadmium in mulberry leaf tea matrices by flame atomic absorption spectrophotometry by Merve Nur İnce, Hakan Serbest, Sezgin Bakirdere

“…Abstract In this study, a rapid, sensitive and accurate analytical method was optimized for the determination of trace levels of cadmium (Cd) by flame atomic absorption spectrophotometry (FAAS) after antimony oxide nanoparticles (AO-NPs)-based dispersive solid-phase extraction (DSPE). …”
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A sex-specific molecular marker in Mulloway (Argyrosomus japonicus) by L.P. Dennis, T. Ventura, A.E. Elizur, D.S. Fielder

“…These markers, validated on both adult broodstock and juveniles, offer a reliable and efficient means of sex determination, contributing to the optimisation of breeding programs and sustainable management of Mulloway. …”
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Dimethyl Isosorbide: An Innovative Bio-Renewable Solvent for Sustainable Chromatographic Applications by Aleksandra Damjanoska, Kristina Mitreska, Matilda Petrova, Jelena Acevska, Katerina Brezovska, Natalija Nakov

“…This study presents a physicochemical characterization of DMI with a particular focus on its application as an innovative solvent in LC analyses. The partition coefficient (<i>log P</i> = −0.44) was determined using the OECD 107 method, and viscosity measurements for DMI and its mixtures with water and ethanol were conducted at 25 °C, 40 °C, and 60 °C. …”
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