Determination of the Activity Coefficients of Components in a Di-2-ethylhexylphosphoric Acid–n-Hexane Binary System Using Gas Chromatography by Vladimir Glebovich Povarov, Olga Vladimirovna Cheremisina, Daria Artemovna Alferova, Aleksandr Tomasovich Fedorov

“…The experimentally determined activity coefficients of hexane, obtained via GC, served as the initial input parameters for UNIFAC modeling. …”
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Development of an algorithm for determining the heat transfer coefficient of the body of an isothermal vehicle based on the results of analysis of the heat exchange processes occur... by A. A. Golubin, S. N. Naumenko

“…The article analyzes the heat exchange processes the thermal imaging method using a thermal imaging device. An occurring in the body of an isothermal vehicle when determining algorithm for determining the heat transfer coefficient is proposed, the heat transfer coefficient K by the internal heating method. which makes it possible to calculate its value with an accuracy not The differences are shown in the values of the heat transfer coef-exceeding 5 %, which is regulated by a number of international ficients obtained by the equilibrium internal heating method and normative documents, while reducing the duration of the experiment by at least 6 times. …”
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Determination of Potential Runoff Coefficient using Geographic Information System for a Small Basin in Balakayety Watershade, Kurdistan Region of Iraq by Jehan M. Fattah Sheikh Suleimany

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Determination of the conversion coefficients from the dose-length product to the effective dose for CT-examinations of the whole body including lower extremitie by P. S. Druzhinina, L. A. Chipiga, A. V. Vodovatov, I. V. Soldatov, Z. A. Lantukh, K. V. Tolkachev

“…Today in the Russian Federation, the existing method for assessing patients` effective doses during computed tomography in the form of conversion coefficients from the dose-length product provides for the area from the head to the upper third of the femur but does not consider the possibility of scanning the whole body including the lower extremities. …”
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EFFICIENT DIRECTIONS OF DEVELOPMENT OF METHODS OF MECHANICAL PROCESSING OF MATERIALS by Оlеg KLЕNОV, Grygoriy NOVIKOV

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A Sensitive UV Spectrophotometric Method for the Determination of Gabapentin by R. Singh Gujral, S. Manirul Haque, P. Shanker

“…An accurate and validated spectrophotometric method was developed for the determination of gabapentin. …”
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Simple Analytical Method on the Determination of Dexamethasone in Herbal Medicine by Rimadani Pratiwi, Adira Rahmawaty, Aliya Nur Hasanah

“…One of them is dexamethasone which is added in herbal pain relief. To determine the content of dexamethasone in herbal medicine, a quantitative analytical method was developed with the reaction of the formation of a dexamethasone-hydroxylamine complex with fluoranil which was measured by UV-Vis spectrophotometry. …”
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Method of determination of circadian index in patients after septoplasty by I. V. Kastyro

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Determination of Pesticide Residues in Water Using Extraction Method by Erdal Kuşvuran, Ali Şamil

“…In this work organochlorine pesticides were first extracted from water using a solvent mixture (hexane:dichloromethane) and the quantities were then determined using a GC-MS fitted with an Electron Ionization (EI) and Selective Ion Monitoring (SIM) method. …”
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DETERMINATION OF RELATED IMPURITIES IN THE ANILOCAINE SUBSTANCE BY HPLC METHOD by D. R. Sabirzyanov, Yu. N. Karpenko, T. L. Malkova, I. V. Alekseeva

“…Time check chromatogram is 20 minutes. Conclusion. The method for the quantitative determination of impurities in the substance of anilocaine by high-performance liquid chromatography was developed as the result of the research. …”
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NEW ORGANIZATION PROCESS OF FEATURE SELECTION BY FILTER WITH CORRELATION-BASED FEATURES SELECTION METHOD by Olga Solovei

“…Based on the received results are proved: 1) the chosen features subset’s evaluation function couldn’t be based only on CFS merit as it causes a learning algorithm’s results degradation; 2) the accuracies of the classification learning algorithms had improved and the values of determination coefficient of the regression leaning algorithms had increased when features are selected according to the proposed new organization process. …”
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Methods for the evaluation of inflammatory activity and therapy efficiency in spondyloarthritis by Alla Aleksandrovna Godzenko, Yu L Korsakova, V V Badokin

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Radiation efficiency characteristics estimated by sound intensity method by S. WEYNA

“…Radiation efficiency factor is determined conventionally by a very complicated method and may be carried out only in laboratory condition. …”
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METHOD OF EVALUATION OF THE EFFICIENCY OF TELECOMMUNICATION NETWORK MANAGEMENT SYSTEM by Eduard N. Bovda, Oksana G. Gavriluk, Оleksandr M. Guk

“…The article analyzes existing approaches and methods for assessing the efficiency of a telecommunication network and its management system. …”
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New approach to determining the economic efficiency of investments in mineral resources deposits development by V. M. Serov, Yu. P. Tikhonov

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RAPID TEST METHOD FOR EVALUATION OF ANTIFREEZE ADDITIVE EFFICIENCY by S. V. Gushchin, V. V. Babitski

“…The paper shows the possibility to develop an original methodology for designing concrete structure which is based on operating efficiency determinations  for single and integrated antifreeze additives.…”
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Determination of the Energy Efficient Speed of the Working Body of the Agitator for Small Biogas Reactors by Spodoba M.O., Spodoba О.O., Kovalchuk S.I., Oliinik Yu.O.

“…The aim of the work is to determine the energy-efficient speed level of a two-tier paddle mixer with blades installed at an angle of 90° to improve the energy efficiency of the biogas formation process in small biogas reactors. …”
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Determining the efficiency of local heat recycling wastewater based on a heat exchanger by V. A. Kunitskiy, S. V. Lukin

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The quality of the organic materials determines its carbon conversion efficiency in tropical latosol by Shuhui Song, Siru Liu, Yanan Liu, Lei Shi, Huayong Li, Weiqi Shi, Haiyang Ma

“…The main factor that determines the difference in carbon conversion efficiency is the composition of organic materials. …”
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Determination of the effect of the open cell foam material geometry on the value of energy efficiency by O. V. Soloveva, S. A. Solovev, Yu. V. Vankov, I. G. Akhmetova, R. Z. Shakurova, A. R. Talipova

“…To determine the influence of the geometry and porosity of an open cell foam material on the values of pressure drop, heat flux and energy efficiency factor.METHODS .Numerical simulation was carried out using the ANSYS Fluent 19.2 software package. …”
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