Determining of the Maximum Throughput of Control Valve in Heat Supply Systems by A. B. Sukhotski

Get full text

Determination of reference values for TREC and KREC in circulating blood of the persons over 18 years by M. A. Saitgalina, N. E. Liubimova, Yu. V. Ostankova, R. N. Kuznetzova, A. A. Totolian

“…The reference intervals were determined by the direct method according to the recommendations of the International Federation of Clinical Chemistry and the Russian State Standard (GOST) R 53022.3-2008. …”
Get full text

IMPROVING EFFICIENCY OF THE JET PUMP AT LOW COEFFICIENTS OF EJECTION by A. G. Butenko, S. Yu. Smik

“…The article considers methods of improving the operation of central ejectors at small ejection coefficients.The authors use mathematical simulation approach to study the particularities of kinematic structure of the flow in the mixing chamber of the central ejector operating with low ejection coefficients. …”
Get full text

Velocity coefficient of tangential supply of subsonic centripetal turbine by A. A. Kishkin, A. V. Delkov, Yu. N. Shevchenko, M. U. Abdullaev

“…This work is devoted to the theoretical substantiation and method of experimental determination of the coefficient in the range of geometric and regime parameters of the tangential supply of a subsonic centripetal turbine.…”
Get full text

Engineering method of calculation temperature fields and thermal stresses in the initial stage of radiation convection heating (cooling) body with variable heat transfer coefficien... by Gorbunov A.D., Uklеina S.V.

“…It is shown that the error in determining the surface temperature does not exceed 6%, and that the developed method can be used up to Fourier numbers Fo<0.4…”
Get full text

Use of turbidimetry for determination of heat treatment intensity applied at pasteurization of milk by D. S. Myagkonosov, E. V. Topnikova, D. V. Abramov, O. G. Kashnikova

Get full text

Damage Monitoring Method for Deep-Sea Net Cage Rope Structure Based on Tension Signal by YANG Mengjie, REN Haojie, REN Hao, XU Yuwang, ZHANG Mengmeng

“…Additionly, an online damage monitoring method based on rope tension signal is proposed. This method identifies the damaged rope by detecting an extremum step in the tension variation coefficient, and determines the specific damaged position by analyzing the proportion relationship between the tension change coefficient and the distance from the end to the damaged position. …”
Get full text

Ammonium Content Determination by Different Analytical Methods in the Manure with Different Additives and Its Change During Storage by Irmantas Parašotas, Violeta Juškienė, Alvyra Šlepetienė, Gitana Kadžienė

“…We compared three analytical methods for NH₄⁺ determination: distillation, ionometry, and spectrophotometry. …”
Get full text

Determination method of trace amount of arsine and phosphine in ethylene and propylene based on gas chromatography-mass spectrometry by HUO Daa, CHEN Feia, LAI Jin-bob, SHI De-junc, WANG Chun-yana, CAO Qinga

“…"A method for simultaneous determination of trace amount of arsine and phosphine in ethylene and propylene was developed based on gas chromatography-mass spectrometry, and the limit of detection, linear range, recovery rate and repeatabi-lity of the method were investigated. …”
Get full text

A Field data- based method to determine the pressure-burst relationships in urban water distribution networks by Yasaman Taj Abadi, Mohamadreza Jalili Ghazizade, Iman Moslehi

“…Therefore, the development of models to predict precisely failure based on effective factors is necessary to achieve optimal leakage management in water distribution networks. Materials and methods: In the present study, using a developed model and Pressure and burst field data analysis in urban water distribution network, the relationship between pressure and burst rate for a district of Tehran has been determined. …”
Get full text

Acceptability criteria for linear dependence in validating UV-spectrophotometric methods of quantitative determination in forensic and toxicological analysis by L. Yu. Klimenko, G. P. Petyunin, S. M. Trut, V. P. Moroz

“…Materials and methods. UV-spectrophotometric method of doxylamine quantitative determination in blood. …”
Get full text

Determination of the Chemical Stability of Cyanocobalamin in Medical Food by a Validated Immunoaffinity Column-Linked HPLC Method by Wonjong Lee, Yoon-Bok Lee, Moon Haeng Huh, Jae Kwon Choi

“…The linearity of this method was calculated with a value of the coefficient of determination (R2) ≥ 0.999. …”
Get full text

Methodology of determining of the transfer function of engagement kinematics of accelerations of an aircraft and its elliptic coordinates in alternative representation by V. V. Legkostup

Get full text

Reaeration Coefficient Empirical Equation Selection for Water Quality Modeling in Surface Waterbodies: An Integrated Numerical-Modeling-Based Technique with Field Case Study by Balsam J. M. Al-Saadi, Hussein A. M. Al-Zubaidi

Get full text

High Performance Liquid Chromatography Method for Determination of Trace Amount of Ibutilide Fumarate in Pharmaceutical Manufacturing Environments by M. Satya Babu, Prathama S. Mainkar, Y. Anjaneyulu

Get full text

Continuous Flow Injection Analysis Method for the Determination of a Drug Diphenhydramine Hydrochloride by Using Phosphomolybdic Acid by Muntadhar M. Jabbar, Elham N. Mezaal

“… The study presented a new method for determining diphenhydramine hydrochloride (DPH) in its pure form and some pharmaceutical preparations, within CFIA technique. …”
Get full text

Determination of Crack Resistance of the Cover and Slide Glass by Indentation Method with the Visualization Using Atomic Force Microscopy by V. A. Lapitskaya, T. A. Kuznetsova, S. A. Chizhik

“…Crack resistance was determined by the Vickers pyramid indentation method. …”
Get full text

Determination of morphine, codeine and 6-monoacetylmorphine in saliva of substance-abuse patients using HPLC/MS methods by Milovanović Vesna, Ćirić Biljana, Milenković Jasna, Kilibarda Vesna, Ćurčić Marijana, Vučinić Slavica, Antonijević Biljana

“…Saliva represents an alternative specimen for substances abuse determination in toxicology. Hence, the aim of this study was to optimize a method for saliva specimen preparation for heroin metabolites, morphine and 6-monoacetylmorphine (6-mam), and codeine determination by liquid chromatography-mass spectrometry (LC/MS), and to apply this method on saliva samples taken from the patients. …”
Get full text

Development and Validation of a High‐Performance Liquid Chromatography Method for the Determination of Epoxyaurapten From Pomelo Peel by Hui Ni, Dongfeng Guo, Xue Li, Lijun Li, Yuanfan Yang, Xiping Du, Yang Hu, Shuyu Zhang, Feng Chen, Fan He

“…The effects of extraction solvent, liquid‐to‐material ratio, ultrasonic time, and extraction cycles on the extraction of epoxyaurapten from pomelo peel were investigated, and the optimal sample pretreatment conditions were determined to ensure the extraction efficiency. The results indicated a high degree of precision with a linear correlation coefficient of 0.9999. …”
Get full text

A Validated RP HPLC-PAD Method for the Determination of Hederacoside C in Ivy-Thyme Cough Syrup by Ayman Khdair, Mohammad K. Mohammad, Khaled Tawaha, Eman Al-Hamarsheh, Hatim S. AlKhatib, Bashar Al-khalidi, Yasser Bustanji, Samer Najjar, Mohammad Hudaib

Get full text