Determination of Retinol, α-Tocopherol, Lycopene, and β-Carotene in Human Plasma Using HPLC with UV-Vis Detection: Application to a Clinical Study by Roman Kand’ár, Pavla Novotná, Petra Drábková

“…A method is described here for the simultaneous determination of retinol, α-tocopherol, lycopene, and β-carotene in human plasma. …”
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Solid-to-liquid extraction and HPLC/UV determination of amygdalin of seeds of apple (Malus pumila Mill): Comparison between traditional-solvent and microwave methodologies by Jovanny Arles Gómez Castaño, Juan Camilo Amaya Salcedo, Oswaldo Eliecer Cardenas Gónzalez

“…The extraction efficiencies are determined by an optimized and standardized high-performance liquid chromatography (HPLC) method that requires retention times of about 1 min only. …”
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Determination of the Band Gap Energy of SnO₂ and ZnO Thin Films with Different Crystalline Qualities and Doping Levels by Cecilia Guillén

“…However, there is no single method for its determination; rather, different approximations depend on the crystalline quality and the doping level because these modify the energy band structure of the semiconductor. …”
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On the Third Hankel Determinant of a Certain Subclass of Bi-Univalent Functions Defined by (<i>p</i>,<i>q</i>)-Derivative Operator by Mohammad El-Ityan, Qasim Ali Shakir, Tariq Al-Hawary, Rafid Buti, Daniel Breaz, Luminita-Ioana Cotîrlă

“…The functions are analyzed using a suitable operational method, which enables us to derive new bounds for the Fekete–Szegö functional, as well as explicit estimates for important coefficients like <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mrow><mo stretchy="false">|</mo></mrow><msub><mo>ℓ</mo><mn>2</mn></msub><mrow><mo stretchy="false">|</mo></mrow></mrow></semantics></math></inline-formula> and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mrow><mo stretchy="false">|</mo></mrow><msub><mo>ℓ</mo><mn>3</mn></msub><mrow><mo stretchy="false">|</mo></mrow></mrow></semantics></math></inline-formula>. …”
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Determination of surface-wave phase velocities by zeros of Aki’s spectrum of active-source records: Application to the dense array in Tongzhou, ChinaKey points by Qinghua Liu, Laiyu Lu, Tongwei Qin, Lijun Chang

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Matching Pattern and Regional Regulation of Agricultural Water and Land Resources in Heilongjiang Province by Hou Shutao, Yuan Weihao, Chen Jianlong, Wang Shuo, Chen Yuqi, Li Quanfeng

“…[Objective] The matching coordination level and regional differences of agricultural water and land resources at the city scale in Heilongjiang Province was analyzed in order to provide scientific guidance for the optimal allocation of regional agricultural water and land resources and the improvement of agricultural production pattern. [Methods] Using agricultural water and land resource data from 13 cities of Heilongjiang Province from 2009 to 2019, the Gini coefficient and the matching coefficient method were used to analyze the spatial distribution characteristics of agricultural water and land resources and their matching temporal and spatial evolution patterns. …”
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Determination of cyanide contents in sorghum, Daqu, and fermented grains using EDTA-2Na-phosphoric acid distillation-automatic flow injection analyzer by XIONG Xiaotong, ZHU Jiaosheng, DU Jiawei, XIE Qianqian, HU Yang, SHEN Rui, CHEN Yanhe

“…The cyanide contents in sorghum, Daqu, and fermented grains were extracted with ethylenediaminetetraacetic acid disodium salt (EDTA- 2Na)-phosphoric acid (2 g-5 ml) distillation system. A rapid determination method for cyanide contents in sorghum, Daqu, and fermented grains was established combined with automatic flow injection analysis technology. …”
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Determination of Fuel Type for Optimal Performance and Emission in a CI Engine Used Biodiesel and its Blends via Multi-Criteria Decision Making by Sinan Erdoğan, Mustafa Kemal Balki, Cenk Sayın

“…According to COPRAS method, the ranking of fuels from best to worst was calculated as B5&gt;B20&gt;B50&gt;B0&gt;B100.…”
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Green On-Site Diclofenac Extraction from Wastewater Matrices Using a 3D-Printed Device Followed by PTV-GC-MS Determination by César Castro-García, Edwin Palacio, Rogelio Rodríguez-Maese, Luz O. Leal, Laura Ferrer

“…The proposed method allowed for the extraction and determination of diclofenac by PTV-GC-MS, achieving methodological detection and quantification limits of 0.019 and 0.055 μg L⁻¹, respectively, with a preconcentration factor of 46. …”
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Tooth Profile Construction Method with Double Pressure Angles for High Performance Gear Pumps by Li Deling

“…The non-working pressure angle is determined by the working pressure angle and the allowable lower limit of the addendum arc angle and this method is simple and reliable. …”
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Size-mass relationships of aquatic insects in forest streams: addressing a knowledge gap in Neotropical communities by Felipe Silva das Chagas, Paula Munhoz de Omena, Larissa Corteletti da Costa, Karoline Victor Serpa, Marcelo da Silva Moretti

“…This study reinforces the need to evaluate different approaches for estimating the dry mass of aquatic insects and underscores the caution required when using indirect methods for biomass determination.…”
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Estimation of some Organophosphorus Pesticides Using Carbon Paste Electrode Coupled with Molecularly Imprinted Polymers by Baghdad Science Journal

“…The extraction efficiency of the MIPs-OPPs from environmental water samples was evaluated using carbon paste electrode and analytical parameters of the method, the slopes, linearity and detection limits of the liquid electrodes were ranged from 24.8 – 31.3 mV/decade , (10-1 - 10-7 ) mg L-1and (2.2-8.2x10-6) mg L-1, respectively with correlation coefficient (r) (0.9991-0.9998) and repeatability were established. …”
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PUMP GROUP AUTOMATIC CONTROL FOR REDUCING ITS ENERGY CONSUMPTION by G. N. Zdor, A. V. Sinitsyn, O. A. Avrutin

“…The main factors affecting the duration of the adjustable pumping unit in inefficient area are determined. The method of controlling a group of pumping units, taking into account the instantaneous efficiency of each of them was suggested. …”
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Fault Diagnostic Method for Pump Running Conditions Based on Process Modeling and Neural Network by T. Uchiyama, S. Kallweit, H. Siekmann

“…The values of the coefficients in the equations are determined from measurable output variables of the pump. …”
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Estimation of the Influence of Surface Soil Layers on the Parameters of Maximum Reaction Spectra by Evgeny N. Kurbatskiy, Ekaterina A. Pestriakova, Shahd A. Hussein

“…An example of determining the amplification coefficients of ground vibrations for the ground conditions of the Syrian Arab Republic is given.…”
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Enhancing Air Conditioning System Efficiency Through Load Prediction and Deep Reinforcement Learning: A Case Study of Ground Source Heat Pumps by Zhitao Wang, Yubin Qiu, Shiyu Zhou, Yanfa Tian, Xiangyuan Zhu, Jiying Liu, Shengze Lu

“…This study proposes a control method that integrates deep reinforcement learning with load forecasting, to enhance the energy efficiency of ground source heat pump systems. …”
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Measuring thermoelectric module properties by time-domain impedance spectroscopy using heat leakage at 300 K by Kotoko Kodama, Yasuhiro Hasegawa

“…This method accounted for heat leakage through lead wires connected to a bismuth–telluride-based Π-shaped thermoelectric module. …”
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The effectiveness of GenoType MTBDRplus using in the diagnosis of tuberculosis in Zaporizhzhia region by R. M. Yasinskyi, O. M. Raznatovska, O. V. Konakova, O. M. Kamyshnyi, N. A. Rokhmanova, A. V. Klymenko, Jean-Luc Berland, Marie Gauhier

“…In comparison with the results of the cultural method, the GenoType MTBDRplus test, v.2 made it possible to establish resistance to rifampicin in 35.7 % (p < 0.05) of patients whose resistance was not determined. …”
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Agreement between Ki-67 Proliferative Index in Breast Cancer by Conventional Hotspot Method and International Ki-67 in Breast Cancer Working Group Global Scoring Method: A Cross-se... by Nidhi Radhakrishnan, Padma Priya Kasukurti, Sulata M Kamath, Clement Wilfred Devadass, SR Mangala Gouri

“…To address the inconsistency in Ki-67 interpretation and scoring, the International Ki-67 in Breast Cancer Working Group (IKWG) introduced the visual scoring Android Application (APP) and proposed a standardised scoring method. Aim: To determine Ki-67 proliferative indices by both the Global Method (GW) with the Ki-67 visual scoring app recommended by IKWG and conventional institutional Hotspot Method (HM), and to analyse the agreement between the indices obtained by these two methods. …”
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Study on the pressure wave and interior pressure fluctuation of the intercity EMU passing through the tunnel by SONG Junhao, LIU Jiali, YAO Shuanbao, CHEN Dawei

“…The empirical formula was used to calculate the interior pressure fluctuation under different dynamic tightness coefficients. The computational results show that the pressure wave of the intercity EMU passing through the tunnel is mainly determined by the train speed and the blocking ratio, and the influence of the train speed is more significant. …”
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