|
Author Question: What are thermal stresses and how are they caused in plastic materials? How can they be relieved? ... (Read 26 times) |
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
There are 20 feet of blood vessels in each square inch of human skin.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).