Radioactivity Measurement Method for Environmental Monitoring Gross Alpha/beta Activities in Drinking Water in Turkey [0.03%]
土耳其饮用水中总α/β放射性活度的环境监测测量方法研究
Gülten Kahraman,Nazife Aslan,Mihriban Şahin et al.
Gülten Kahraman et al.
The determination of gross alpha/beta activity concentrations of drinking water is the first step of the environmental monitoring studies and can provide a rapid evaluation of the radioactive content of a sample. In this study, a procedure ...
Voltammetric Assay of Metformin Hydrochloride Using Pyrogallol Modified Carbon Paste Electrode [0.03%]
焦棓酚修饰碳糊电极安培法测定盐酸二甲双胍含量
Ali K Attia,Waheed M Salem,A Mohamed Mona
Ali K Attia
The electrooxidative behavior and determination of metformin hydrochloride, anti-hyperglycemic drug, on a pyrogallol modified carbon paste electrode were investigated using cyclic voltammetry and differential pulse voltammetry. Metformin hy...
Simona Tušar,Antonija Lesar
Simona Tušar
The structural, electronic, and spectroscopic properties of complexes of the methyl sulfinyl radical, sulphuric acid and water molecules have been studied by density functional theory and ab initio methods. The hydrogen bond interactions be...
Aggregates of Isotactic Poly(methacrylic acid) Chains in Aqueous CsCl Solutions: a Static and Dynamic Light Scattering Study [0.03%]
等温法聚(甲基丙烯酸)链在CsCl水溶液中的聚集体行为:静态和动态光散射研究
Katarina Hočevar,Simona Sitar,Ksenija Kogej
Katarina Hočevar
Properties of isotactic polymethacrylic acid, iPMA, chains were studied at 25°C in aqueous solutions at various CsCl concentrations, c(s) (= 0.05-0.20 M), in dependence on degree of neutralization of the polyion's carboxyl groups, α(N), u...
Reaction between Chromium(III) and EDTA Ions: an Overlooked Mechanism of Case Study Reaction of Chemical Kinetics [0.03%]
Cr(III)和EDTA离子间的反应:一个被忽视的动力学机理实例研究
Janez Cerar
Janez Cerar
Widely cited and accepted explanation of reaction mechanism of the case study reaction of chemical kinetics between Cr(III) ions and ethylenediaminetetraacetic acid (EDTA) contradicts modern chromium(III) coordination chemistry data. Absorp...
Viscosity B-Coefficient for Sodium Chloride in Aqueous Mixtures of 1,4-Dioxane at Different Temperatures [0.03%]
不同温度下1,4-二氧六环水溶液中氯化钠的粘度B系数
Renato Tomaš,Toni Jovanović,Marija Bešter-Rogač
Renato Tomaš
Viscosities of sodium chloride solutions in water-1,4-dioxane binary mixtures with mole fractions of 1,4-dioxane, x(D) = 0.05, 0.10, 0.15 and 0.20, in the temperature range from 278.15 to 318.15 K were determined. The relative viscosity dat...
Matej Huč,Gašper Žakelj,Tomaž Urbič
Matej Huč
Methanol and water rank among the most important liquids in modern world due to their versatile use. As water, methanol and their mixtures exhibit numerous anomalous properties, their description is challenging. The amphiphilic nature of me...
Dedicated to the memory of Prof. Dr. Jurij Vinko Brenčič (1940-2013) [0.03%]
献给尤里•文科•布伦奇奇教授(1940-2013)的记忆
Barbara Modec
Barbara Modec
Stanislav Južnič
Stanislav Južnič
Tesla's academic genealogy is provided and focused on chemical sciences. His teachers of chemical and related fields from all schools he attended in Rakovac, Graz, and Prague were taken into consideration. The research provides the hints in...
Barbara Šket,Saša Aleksij Glažar,Janez Vogrinc
Barbara Šket
The purpose of the research was to establish the impact of the application of a concept map in chemistry lessons on the effective solving of tasks with organic reactions content. In the first phase of the research, a concept map was produce...