a unit of mass or weight equal to one thousandth of a gram, and equivalent to 0.0154 grain. Abbreviation: mg
更多milligram例句
Increasing the amount of the enzyme from 1 milligram per gram of PET to 3 milligrams made it even more efficient — breaking down about 90 percent of the plastic.
Previous experiments have involved objects with masses of hundreds of milligrams or more.
“If they were ten-milligram tablets, she would have taken ten to twenty of them,” Ballard quoted Francisco.
One milligram of californium-252 will spontaneously produce over 10⁹ neutrons per second.
If after a second trial the loss is the same, or only increased by a milligram, the determination is finished.
They lose slightly in weight when in use, but the loss is uniform, and averages half a milligram per month when in daily use.
They are always weighed on the balance with a counterpoise, but no attempt is made to weigh them closer than to 0.5 milligram.
The masses commonly used are the milligram, gram and kilogram.