The calcium content of phosphorus-containing foods may also matter, and may mitigate potential problems. In fact, dairy foods (high in both phosphorus and calcium) lower blood pressure, which is why they are an integral part of the DASH (Dietary Approaches to Stop Hypertension) diet.he calcium content of phosphorus-containing foods may also matter, and may mitigate potential problems. In fact, dairy foods (high in both phosphorus and calcium) lower blood pressure, which is why they are an integral part of the DASH (Dietary Approaches to Stop Hypertension) diet.
This originally pertained to radio waves and sound waves, but is now commonly used to measure the speed of a computer processor (the number of hertz is equal to the number of clock ticks that a processor will have in one second).
Tachometer. A tachometer is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. The device usually displays the revolutions per minute on a calibrated analogue dial, but digital displays are increasingly common. The word comes from Greek Î¤Î±ÏÎ¿Ï, tachos, speed, and metron, measure.