Dr. O'Mullan dropped to his knees to scoop up a water sample with a plastic bottle, while Mr. Lipscomb pointed at the water, saying, "Do you see the water color change to gray?" It is the discoloration that gives away the presence of sewage, not the smell, he said.
The original image was changed to gray scale in order to analyze the results quantitatively.
Scott then ordered it changed to gray, and the team had to begin shooting again from scratch.
It is not yet clear what the relationship of white matter changes is to gray matter changes or subject-specific differences in fMRI activation.
However, at higher concentrations, the color of the solution changed to pale gray, violet, wine, purple, or gray (Fig. 2 k).
NMe4OH⋅5 H2O (166 mg, 0.842 mmol) was added, and immediately dissolved, resulting in a clear royal blue solution, which was heated for 30 min. MnCl2⋅4 H2O (166 mg, 0.837 mmol) was added, resulting in an immediate color change to dark gray, followed by formation of a precipitate.
"It is a family trait that during sickness or trauma, the brown eye pigment changes to a blue-gray cast.
Most of the time, the hoses are trained on spots where the firefighters can see smoke, which changes from white to gray, and sometimes to black, depending on how close and intense the underground blaze is.
After annealing, the color of Cu–In films changed from black to gray, whereas that of In films hardly changed.
