At each time point, bacterial morphology and formation of aggregates was checked by light microscopy.
The formation of the compounds were checked by X-ray diffraction technique (XRD) at room temperature.
At each step, a predetermined amount of n-heptane (0.2 mL) was added to 5 mL of the oil sample and the mixture was agitated vigorously for 5 min and a small drop of the mixture was observed with the microscope and the formation of asphaltene precipitates was checked.
The increase in shōen thus came to pose a serious threat to the government, which accordingly issued edicts intended to check the formation of new estates.
The formation of DAB polymer could be checked by transmission light microscope.
The formation of single-phase compound was checked by X-ray diffraction (XRD) technique using a X-ray diffractometer (Phillips PW1710, Holland) with CuKα radiation λ = 1.5405Å over a wide range of Bragg angles (20° ≤ 2θ ≤ 50°).
At this point, it is important to check the formation of a molecular hydrogen bubble in order to analyze the possible crack that is beginning to weaken the metal.
Potassium iodide-starch paper, that shows the color dark blue if exposed to oxidants like chlorine, was placed above both electrodes to check the formation of oxidative species.
The formation of the samples' chromophore was checked by the difference of UV-visible (UV/vis) absorption spectra before the rhodopsin was incubated with 1D4-antibody during the protein purification.
The possible formation of cross-dimers was further checked using the NetPrimer Java application (http://www.premierbiosoft.com/).
