The Validation of a Simple, Robust, Stability-Indicating RP-HPLC Method for the Simultaneous Detection of Lamivudine, Tenofovir Disoproxil Fumarate, and Dolutegravir Sodium in Bulk... by Omobolanle Ayoyinka Omoteso, Marnus Milne, Marique Aucamp

“…In relation to all the determined validation parameters, this method proves to be suitable for the accurate identification and quantification of the three ARVs, either alone or in combination, as well as when incorporated into polymeric matrices. …”
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Introducing Angle B: A Novel Quantitative Approach for Sagittal Alignment Reduction in Atlanto-Axial Dislocation Surgery by Cui S, Wang X, Li K, Feng H, Liu Z, Jian F, Wang K

“…Theoretical equations were deduced through a series of angular transformations, and linear regression analysis was used to validate our findings.Results: Our results showed a strong linear relationship between the change in CL (ΔCL) and the change in B(ΔB) (y=− 1.0402x, coefficient of determination R²=0.978, P< 0.001), supporting our deduction that ΔCL=ΔB. …”
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Conceptual Framework of Energy-and-Ecology of Indoor Plant Lighting by Sergei A. Rakut’ko

“…(Results and discussion) The author has determined some specific indicators of energy-ecological compatibility and obtained an expression for determining the energy-ecological coefficient of horticulture through its technological indicators. …”
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Photocatalytic Degradation of Acid Black 210 dye Using Fixed Bed Reactor Containing Zinc Oxide Nanoparticles: Effects and Box–Behnken Optimization by Zahraa A. Najm, Mohammed A. Atiya, Ahmed K. Hassan

“…The optimized parameters for the fixed-bed system were with a removal efficiency of 69% determined as 2.25 mL/min, 1.21 cm, 30 mg/L, and 15 W/m2 for flow rate, ZnO-NPs height, AB210 concentration, and UV intensity respectively. …”
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Spatial Heterogeneity of Soil Nutrient in Principal Paddy and Cereal Production Landscapes of Fengtai County within the Huai River Basin, Eastern China by Zhiyang Jiang, Zheng Yin, Xinbin Li, Daokun Chen, Meiqin Huang, Yuzhi Zhou, Tingsen Wu, Mingze Zhao, Wenshuo Wang, Yupeng Zhang

“…How to accurately and quantitatively evaluate the soil quality of regional cultivated land and realize its efficient use has become an urgent problem. In order to explore the spatial autocorrelation and variation in soil nutrients in cultivated land in the plain of Fengtai County in the Huaihe River Basin, a total of 306 soil samples and mature wheat samples were collected in the study area to analyze soil pH, total nitrogen (TN), available nitrogen (AN), available phosphorus (AP), available potassium (AK) and slow-release potassium (SK) content and wheat biomass, and combined with geostatistical methods and GIS technology. …”
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Factors Affecting Corporate’s Coping Strategy Choice During The Covid-19 Outbreak: Case of Indonesia by Suhita Whini Setyahuni, Agus Triyani

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Analisis Efisiensi Kinerja Rantai Pasok Teh di PT Perkebunan Nusantara I Regional II Unit Sinumbra, Perkebunan Sinumbra Menggunakan Metode Data Envelopment Analysis (DEA) by Mira Santika Dewi, Devi Maulida Rahmah, Irfan Ardiansah, Faizal Syahmurman

“…The purpose of this study was to determine the efficiency value of the tea supply chain performance of the five regions in the Sinumbra Plantation. …”
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Supporting the Design of Systems for Energy Recovery from Mechanical Vibrations Containing MFC Piezoelectric Transducers by Marek Płaczek, Łukasz Dulat

“…For this purpose, a mathematical model of this type of system was developed, which was then combined with computer-aided engineering tools and the application of the finite element method. In order to verify the obtained results, a test rig was set up to test the vibrations of the system under consideration and its energy efficiency. …”
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The use of corn and buckwheat flour in the production of bakery products by E. N. Efremova, A. I. Belyaev, N. Y. Petrov, E. A. Zenina

“…Method of trial laboratory bread baking.» The taste became sweeter, the porosity became fine and thin-walled, and the color of the crumb became light brown. …”
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The impact of digitalization on logistics costs of companies by S. A. Frolkin

“…The current impact of logistics on companies’ costs in conditions of economic instability has been analyzed, which emphasizes the increasing role of digital technologies in improving competitiveness and business efficiency. The purpose of the study is to give the author’s definition of digitalization in the logistics sphere, to determine its role in the processes occurring in the industry, and to reflect the impact of these processes on companies’ costs. …”
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Pareto Design of State Feedback Tracking Control of a Biped Robot via Multiobjective PSO in Comparison with Sigma Method and Genetic Algorithms: Modified NSGAII and MATLAB’s Toolbo... by M. J. Mahmoodabadi, M. Taherkhorsandi, A. Bagheri

“…In the literature, the parameters of the controller are usually determined by a tedious trial and error process. To eliminate this process and design the parameters of the proposed controller, the multiobjective evolutionary algorithms, that is, the proposed method, modified NSGAII, Sigma method, and MATLAB’s Toolbox MOGA, are employed in this study. …”
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Methodological aspects of optimization of energy consump-tion costs of low-rise buildings with a built-in air heat pump by E. I. Krupnov, I. A. Zaitseva, S. A. Loginova, I. S. Zaitsev

“…The use of such innovative energy-saving technologies requires not only modern architectural and planning, design and engineering solutions, but also sound methodological recommendations for as-sessing their energy efficiency and feasibility. The article presents a methodology for calculating the consumed electrical energy and heat generation, as well as the seasonal indicator of energy efficiency in the operation of an air source heat pump.Method. …”
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Studies on Vibration and Synchronization Characteristics of an Anti-Resonance System Driven by Triple-Frequency Excitation by Duyu Hou, Zheng Liang, Zhuozhuang Zhang, Zihan Wang

“…Initially, differential motion equations are formulated utilizing Lagrange’s equation, followed by the definition of vibration isolation coefficients adopting ratios. Triple-frequency synchronization and stability criterion between two eccentric blocks are subsequently elucidated via the asymptotic method and Routh–Hurwitz criterion. …”
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Effects of Recommended Fertilizer Application Strategies Based on Yield Goal and Nutrient Requirements on Drip-Irrigated Spring Wheat Yield and Nutrient Uptake by Liyang Cheng, Xiangjie Chang, Junhua Li

“…Therefore, conducting soil tests and determining fertilizer recommendations based on the proposed RF method at harvest can reduce fertilizer usage and achieve a balance between the conflicting objectives of environmental protection, increased crop yields, nutrient utilization efficiency, and improved economic benefits in oasis agricultural areas facing excessive fertilizer application.…”
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Design and Analysis of a Novel Ocean Current Two-Coupled Crossflow Turbine Energy Converter by Shueei-Muh Lin, Wei-Le Huang, Didi Widya Utama, Yang-Yih Chen

“…A novel empirical formula for determining the power and efficiency of the converter is derived. …”
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Method for calculating a water surface profile at the watershed scale with little observed data based on ASTER GDEM: a case study in the Naoli River, northeast China by Lin Tian, Yinying Wei, Sheng Wang, Guorong Zhang, Chuangjia Zhao, Xin Huang, Weiyu Huang

“…We analyzed the variation of upstream water levels under different Manning coefficients n, and the bed resistance of the Naoli River was determined to be 0.025. …”
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Analysis of communities and groups in social networks as a significant factor of influence on cryptocurrency rates by Olena Gavrilenko, Mykhailo Myagkyi

“…The objective of the study is to evaluate and rank social networks in order to choose the one that will best meet the specifics of analysing the impact of social media posts on the cryptocurrency rate. Research methods. The ranking of social networks was carried out by the value of the value function of alternatives, calculated using the linear convolution method. …”
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Development of a method for differential diagnosis of iron deficiency anemia and anemia of chronic disease based on demographic data and routine laboratory tests using machine lear... by N. V. Varekha, N. I. Stuklov, K. V. Gordienko, R. R. Gimadiev, O. B. Shchegolev, S. N. Kislaya, E. V. Gubina, A. A. Gurkina

“…The study of machine learning methods, a branch of artificial intelligence science, is relevant for the development of optimal screening strategies, identification of risk groups, and application of less expensive and more accessible laboratory tests to assess the body iron status.   …”
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A Review of Integrated Optimization Method of Batch Planning and Scheduling for Steelmaking-Continuous Casting-Hot Rolling Production Under Uncertain Environment Based on Lagrangia... by Liangliang Sun, Xirang Hao, Yunpeng Li, Jinghan Xue, Natalia M. Matsveichuk, Yuri N. Sotskov, Qichun Zhang

“…Its batch planning and scheduling are connected to the production contract plan at the upper level and the production process control at the lower level, which is the key to achieving efficient and full process steel manufacturing. Batch planning determines the location of the slabs to be produced in the converter, ladle, continuous casting machine, and hot rolling mill by combining production orders, process standards, and production conditions. …”
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On the Issue of Predicting Global Financial and Economic Crises by Yu. A. Danilov, D. A. Pivovarov, I. S. Davydov

“…The primary research method was monitoring the confirmation of signals supplied by predictors, indicators of macroeconomic dynamics based on retrospective data. …”
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