Surface-active + “ant” equals surfactant. Soaps are made of natural ingredients such as vegetable oils (coconut, palm, pine) or animal fat-derived acids (lipids). In contrast, detergents are synthetic, man-made derivatives. While soap is limited in its applications, detergents can be ...
“Evaporative cooling” was used in India and Egypt for creating ice even in hot conditions. What this means is if water is rapidly vaporized, it also expands rapidly. The rising vapor molecules are going to raise theirkinetic energy(energy which a body possesses by virtue of being in motion...
The Instructor may then say “Let's assume that the value of X equals ten.” With the Number line stick 26 in place he can then use window stick 10 and push ten cubes to ‘ten’ and he can then use window stick 7 and slide over seven cubes to indicate minus 7 and he can then ...
17–18, the equals sign means only that the LXX has verses corresponding to the Hebrew verses, though there may be some differences in the details. “Lacking” means that the LXX has no equivalent to the Hebrew text at all. For this post, let’s focus on the longe...
– just like in CSS selectors. There usually is an equals sign=, not a colon, between key and value, the latter may be required to be put in quote marks, at least if cobtaining whitespace or equal signs. The order inside the braces is usually keft to the author’s taste, although ...