Results 61 to 70 of about 20,241,149 (192)

Educational and income inequalities across diseases in Denmark: a register-based cohort study

The Lancet Public Health
Summary: Background: Educational attainment and income are often, but not always, associated with disease incidence. Existing research typically examines single diseases, resulting in disparate analyses with little comparability. In this study, we aimed
Anna Vera Jørring Pallesen, MSc, Jochen O Mierau, ProfPhD, Frederik Kølby Christensen, BSc, Laust Hvas Mortensen, ProfPhD   +3 more
doaj   +1 more source

Physico-Chemical Characteristics of Shungite Rock of Kazakhstan

Eurasian Chemico-Technological Journal, 2013
Physico-chemical characteristics of shugite rocks of Kazakhstan (Bakyrchik deposit) were studied using the methods of elementary analysis, IR-spectroscopy, scanning electron microscopy, Raman spectroscopy and X-ray phase analysis.
S. A. Efremov, S. V. Nechipurenko, M. K. Kazankapova, W. Washington, Kh. S. Tassibekov, M. K. Nauryzbaev   +5 more
doaj   +1 more source

Total Arsenic and Arsenic Species Determination in Freshwater Fish by ICP-DRC-MS and HPLC/ICP-DRC-MS Techniques

Molecules, 2019
Analytical methods for the determination of total arsenic (TAs) and arsenic species (arsenite—As(III), arsenate—As(V), monomethylarsenic acid—MMA, dimethylarsenic acid—DMA and arsenobetaine—AsB) in freshwater fish samples ...
Izabela Komorowicz, Adam Sajnóg, Danuta Barałkiewicz   +2 more
doaj   +1 more source

Empirical Methods in the Analysis of Collusion [PDF]

Regression methods are commonly used in competition lawsuits for, e.g., determining overcharges in pricefixing cases. Technical evaluations of these methods' pros and cons are not necessarily intuitive.
Johannes Paha
core  

A summary of V/STOL inlet analysis methods [PDF]

Recent extensions and applications of the methods are emphasized. They include the specification of the Kutta condition for a slotted inlet, the calculation of suction and tangential blowing for boundary layer control, and the analysis of auxiliary inlet
Hwang, D. P.
core   +4 more sources

Simple and accurate on-site quantitation of BTEX in atmospheric air using solid-phase microextraction and gas chromatography with photoionization detection

Advances in Sample Preparation
This paper represents an improved method for on-site quantitation of benzene, toluene, ethylbenzene, and xylenes (BTEX) in atmospheric air using solid-phase microextraction (SPME) and portable gas chromatography with a split/splitless inlet and ...
Tolkyn Kurmanbayeva, Bauyrzhan Bukenov, Zhansaya Rymzhanova, Nargiz Kazhkenova, Aibolat Imangabassov, Aruzhan Smail, Nurbi Karimkyzy, Bulat Kenessov   +7 more
doaj   +1 more source

Supercritical Fluid CO₂ Extraction of Essential Oil from Spearmint Leaves Dried by Vacuum Drying with a Desiccant

Foods
The essential oil (EO) of Mentha spicata L. (spearmint) exhibits pronounced biological activity, making it valuable for applications in agrochemistry as an insecticidal agent, in perfumery and cosmetics, and as a natural preservative in the food industry.
Rustam Tokpayev, Zair Ibraimov, Khavaza Tamina, Bauyrzhan Bukenov, Bagashar Zhaksybay, Amina Abdullanova, Yekaterina Chshendrygina, Kanagat Kishibayev, Luca Fiori   +8 more
doaj   +1 more source

Comparative analysis of statistical characteristics of experimental data while using various test methods of chemical protection means of wood against biological damages [PDF]

, 2012
The article describes the current testing methods of inhibitory ability of compositions for chemical protection of wood against biological damage. The width histograms of Coniophora puteana growing area on the impregnated samples and on the samples ...
Mazanik, N. V.
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Methods for Determination of the Degree of Iron Oxidation in LiFePO4

Applied Sciences, 2017
The disposal of LiFePO4 (LFP) cathode material through oxidation in an air atmosphere is explained by its high chemical activity and high surface area (especially for nanoparticles).
Fyodor Malchik, Andrey Kurbatov, Alina Galeyeva, Duysek Kamysbaev, Alexandru-Horatiu Marincas   +4 more
doaj   +1 more source

Refined methods of aeroelastic analysis and optimization [PDF]

Graduate research activity in the following areas is reported: the divergence of laminated composite lifting surfaces, subsonic propeller theory and aeroelastic analysis, and cross sectional resonances in wind ...
Ashley, H.
core   +1 more source