Sentence examples for major element analysis from inspiring English sources

After microtextural observations using backscattered electron images (BEIs) using the EPMA, major element analysis (Si, Ti, Al, Fe, Mn, Mg, Ca, Na, K S, Cl and F) were performed with an accelerating voltage of 15 kV, probe current of 12 nA and probe diameter of 4 μm, using a wavelength-dispersive X-ray spectroscopy (WDS) and the ZAF correction.

For the major element analysis, potassium (K), magnesium (Mg), calcium (Ca), phosphorus (P), and sodium (Na) samples were diluted 1 300 prior to analysis.

X-ray fluorescence (XRF) data were analyzed using an AxiosPANalytical spectrometer with Omnian standardless analysis for major element analysis and classic Pro-Trace software for trace element analysis.

In this paper, we investigated the chemical composition and structural characteristics of PCHs in detail by thermal analysis, major elements analysis, XPS, FTIR, 29Si MAS NMR, XRD, HRTEM, and nitrogen adsorption/desorption at −196 °C.

In this paper, a 3-D FE model has been utilized in a major commercial finite element analysis code (ANSYS 2004) to simulate the roller expansion and study residual deformation and stress distributions to show the effect of initial clearance and tube material on the residual contact pressure between the tube and tubesheet.

An aliquot of unfiltered groundwater samples was acidified to 1% nitric acid (Fisher Optima) for major and trace element analysis by high resolution ICP-MS (VG Axiom), including U (detection limit = 0.01 μg/L).

A major difficulty in finite element analysis is the preparation of an effective mesh leading to a good response solution.

Levitation melting is a rapid technique or for the preparation of bulk rock powders for major, minor and trace element analysis.

Analysis of major element abundances, ratios, and trace element ratios indicates that the dust provenance of the Xinmocun lacustrine sediments is different from that of the CLP, and is similar to that of the loess at Ganzi and Hongyuan nearby the study area.

The FTIR spectrum of sample TRI8 (Figure 8) showed typical vibrations of calcium carbonate at 1,432 and 875 cm−1 together with bands at 1,114, 673 and 599 cm−1 attributable to gypsum [20] in accordance with the presence of calcium as the major element and sulfur by SEM EDS analysis of the plaster layer of TRI8 (Table 1).

Performance density function is recognized as one of the major elements in reliability analysis.