A more serious problem is the presence of variable quantities of talc which come out with the copper / molybdenum concentrate and tend to depress the copper grade of the concentrate.
12.
It follows from this definition that seeing is always a variable quantity, different from place to place, from night to night, and even variable on a scale of minutes.
13.
THCA is found in variable quantities in fresh, undried cannabis, but is progressively decarboxylated to THC with drying, and especially under intense heating such as when cannabis is smoked or cooked into cannabis edibles.
14.
There are many other acids in small quantities : citric acid, ascorbic acid, ?-ketoglutaric, fumaric acid, galacturonic acid, coumaric acid, etc . Their variable quantity varies the pH of the wort.
15.
In 1887 Brayton developed and patented a 4 stroke direct injection oil engine ( US patent # 432, 114 of 1890, application filed in 1887 ) The fuel system used a variable quantity pump and liquid fuel high pressure spray type injection.
16.
By analogy with their navigational use, the words " dead reckoning " are also used to mean the process of estimating the value of any variable quantity by using an earlier value and adding whatever changes have occurred in the meantime.
17.
In 1890 Brayton developed and patented a 4 stroke air blast oil engine ( US patent # 432, 260 ) The fuel system delivered a variable quantity of vaporized fuel to the center of the cylinder under pressure at or near the peak of the compression stroke.
18.
Starting in the 1660s, Isaac Newton and Gottfried Wilhelm Leibniz independently developed the infinitesimal calculus, which essentially consists of studying how an infinitesimal variation of a " variable quantity " induces a corresponding variation of another quantity which is a " values of functions.
19.
Conventionally the fixed quantity is in the denominator, while the variable quantity is in the numerator, so " S " / " K " for a single option and varying spots, and " K " / " S " for different options at a given spot, such as when constructing a volatility surface.
