UPLC-MS/MS method for simultaneous determination of pyrantel, praziquantel, febantel, fenbendazole and oxfendazole in dog plasma and its application to a bioequivalence study by Fengyichi Zhang, Fanxi Guo, Xinyu Zhao, Chongyang Li, Junli Wang, Mengyun Wang, Ruixia Ma, Baochang Chen, Qiangqiang Miao, Yimeng Wang, Zihan Wang, Di Cao, Zugong Yu

Get full text

Method Validation and Measurement Uncertainty Estimation for Determination of Multiclass Pesticide Residues in Tomato by Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) by Suraj Shrestha, Bandana Lamichhane, Nibedita Chaudhary

“…This study aimed to optimize and validate a fast, reliable, and accurate method for quantitatively determining pesticide residues of diverse chemical classes in the tomato matrix. …”
Get full text

Validated HPLC method for simultaneous determination of azelastine hydrochloride fluticasone propionate and oxymetazoline in nasal mucosa and nasopharyngeal swabs from real human s... by Neven N. Mikawy, Nancy Magdy, Marwa H. Mohamed, Amira M. El-Kosasy

“…Abstract A combination of three co-administrated drugs, such as azelastine hydrochloride (AZT), fluticasone propionate (FP), and oxymetazoline (OXY), is more effective than single therapy for the treatment of seasonal allergy and COVID-19. We established an efficient methodology for the determination of those analytes in spiked nasal mucosa and nasopharyngeal swabs from real human samples. …”
Get full text

Solvent extraction of europium(III) from technogenic solutions with the use of surfactants by N. V. Dzhevaga, O. L. Lobacheva

“…In addition, in the highly alkaline pH region, the extraction efficiency is reduced.…”
Get full text

Table grape of Ukraine – varietal resources, pers­pectives of production and consumption by В. В. Власов, Н. А. Мулюкіна, І. А. Ковальова, Л. В. Герус

“…To enrich and improve the range of table grape varieties of Ukraine. Methods. Breeding, hybridological, mathematic, visual ones. …”
Get full text

Research progress of BTC method and feasibility of its application to calculate crack arrest toughness of CO2 pipeline by Bing CHEN, Leilei LI, Wenjiao QI

“…Through the examination of data from prior full-scale burst tests on CO2 pipelines, currently recognized as the most effective means for determining the crack arrest toughness of dense-phase CO2 pipelines, a correction coefficient range for the BTC method was established. …”
Get full text

Modeling of process and operating modes for efficient selective disintegration in coriander seed grinding by N. V. Sterekhova, S. Y. Gonezhuk, Z. A. Meretukov, M. V. Shcherbakov

Get full text

Temperature-dependent rate coefficients for the reactions of OH radicals with selected alkanes, aromatic compounds, and monoterpenes by F. Berg, A. Novelli, R. Dubus, A. Hofzumahaus, F. Holland, A. Wahner, H. Fuchs, H. Fuchs

“…The time-dependent decay of the <span class="inline-formula">OH</span> concentration was measured in a flow tube, allowing the pseudo-first-order rate coefficient to be determined after the production of a moderately high <span class="inline-formula">OH</span> concentration (about <span class="inline-formula">1×10⁹</span> <span class="inline-formula">cm⁻³</span>) by the photolysis of ozone in the presence of water vapour. …”
Get full text

Values of the apparent diffusion coefficient in the differential diagnosis of tumors of the posterior fossa in the pediatric population of Colombia by Andrés Fernando López-Cadena, Luz Ángela Moreno-Gómez, Diego Armando Guerrero-Gómez

“…Introduction: Posterior fossa tumors are common in the pediatric population and require adequate characterization by means of structural magnetic resonance imaging (MRI) and advanced MRI techniques to achieve an appropriate therapeutic approach. Objectives: To determine the usefulness of apparent diffusion coefficient (ADC) values for the differential diagnosis of posterior fossa tumors in the pediatric population treated at a reference hospital in Bogotá D.C., Colombia. …”
Get full text

Safety coefficients for products made of composite materials using the example of a compressed cylindrical shell by V. N. Nagovitsin, Y. P. Pokhabov, E. A. Ivanov, A. Y. Pokhabov

“…The result of the study is a developed calculation method based on the limit state, which allows to evaluate the accuracy of the theoretical solutions used, determine the values of safety coefficients and design a minimum mass structure. …”
Get full text

A Semi‐Analytical Solution for the Equivalent Permeability Coefficient of the Multilayered Porous Medium With Continuous Fracture by Shuai Zhang, Xiaoli Liu

“…The most direct and effective approach to assess the hydraulic conductivity of a multilayered porous medium with continuous fracture is to determine its equivalent permeability coefficient (EPC). …”
Get full text

An Innovative Approach to Estimate Chloride Diffusion Coefficient in Submerged Concrete Structures Using Soft Computing by Seyyed Ali Habibi, Ali Hemmati, Hosein Naderpour

“…In this article, using the Monte Carlo sampling method and the formulas available for chloride diffusion coefficient, we produced 2000 artificial data samples. …”
Get full text

Optimization of solvent evaporation method in liposomal nanocarriers loaded‐garlic essential oil (Allium sativum): Based on the encapsulation efficiency, antioxidant capacity, and... by Salar Ali Ahmed, Mahmood Fadhil Saleem, Hamed Hassanzadeh

“…Abstract This study is aimed to optimise the preparation factors, such as sonication time (5–20 min), cholesterol to lecetin ratio (CHLR) (0.2–0.8), and essential oil content (0.1–0.3 g/100 g) in solvent evaporation method for formulation of liposomal nanocarriers containing garlic essential oil (GEO) in order to find the highest encapsulation efficiency and stability with strongest antioxidant and antimicrobial activity. …”
Get full text

Local buckling coefficients for thin-walled lipped channels under bending about asymmetrical axis by Huy Hoang Vu, Quoc Anh Vu, Cao Hung Pham

“…This paper aims to calibrate a formula for determining the buckling coefficient of thin-walled lipped channels subjected to bending about the asymmetrical axis when the web is in compression to modify the current analytical solution in AISI S100, which has been reported to have poor accuracy. …”
Get full text

Modified shape coefficient of building with Thermal considerations: concept, experiment and Application in solar-enriched areas by Jin Li, Tinglei Yue, Yin Zhang

“…A novel concept and determining method of modified shape coefficient of building (MSCB) were proposed based on the energy dissipating and solar heat gain. …”
Get full text

Feed Values of Sunflower Heads and Stovers Treated with Different Methods and Possibilities of Using as Roughage by B.zehra Sarıçiçek, Ali Vaiz Garipoğlu

Get full text

Research on the correction of enclosed line diagram limiting conditions for the selection of gear transmission modification coefficients by ZHANG Wei, HOU Xiaochen, HOU Keqing

“…ObjectiveTo determine the modification coefficient using a well-defined and comprehensive enclosed line diagram method, the aim is to optimize the transmission performance of modified gears, improve meshing characteristics, reduce structural dimensions, and approximately fulfill design requirements such as equal strength.MethodsA verification was conducted on the limit values of 235 enclosed line diagrams on the limiting curve in <italic>Involute Modified Gear Transmission</italic> edited by Zhang Zhan. …”
Get full text

Determinação do fator de cobertura do melão cultivado sob diferentes lâminas e salinidades da água de irrigação Determination of the soil cover factor for melon grown under differe... by Indalécio Dutra, José Francismar de Medeiros, Francisco de Queiroz Porto Filho, Maristélio da Cruz Costa

“…Both methods of measurement were efficient, with significant effects for both irrigation water depths and salinity in the melon crop being observed. …”
Get full text

Local change in the stress state in rock samples before destruction according to the Lode–Nadai coefficient by R.A. Lementueva, Yu.L. Rebetsky, N.Ya. Bubnova, A.V. Treusov

“…In this paper, the relationship of the Lode–Nadai coefficient, which determines the shape of the stress ellipsoid, with the nature of brittle fracture in sandstone, pyrophyllite and dolomite samples for a rigid loading machine is investigated. …”
Get full text

Multi-objective optimization of heat pump drying process using NSGA-II and response surface methodology: a case study of sludge by Zhaofan Wu, Yongcun Li, Wentao Zhou, Qiang Fu

“…First, the efficacy coefficients of different objectives are determined for standardized evaluation. …”
Get full text