Joke Collection Website - Talk about mood - What unit is ku?
What unit is ku?
In legal measurement, U has two different meanings. A "U" is the legal unit of measurement in China and can be used together with SI units. Its relationship with SI unit is1u ≈1.660 540×10-27 kg. Its quantity is called quality; The unit name is "Atomic Mass Unit".
So its quantity sign should be m, for example, the mass of a substance X is 5ku, which can be written as m(X)=5ku. The other u is the unit sign of the atomic mass constant ("μ") of the SI quantity. The unit constant of atomic mass (quantity sign is μ) is defined as "112c of the rest mass of neutral atoms in the ground state"; The name of u is also "atomic mass unit".
Extended data
Relevant regulations on enzyme activity units
1. With regard to the determination of enzyme activity unit, 196 1 International Enzymology Conference stipulates that 1 enzyme activity unit means that it can transform 1μmol substrate or transform substrate under specific conditions (25℃, others are the most suitable conditions) 1min.
2. There are two units of enzyme activity. The enzyme amount of kat and U, 1min can be transformed into 1μmol substrate is called 1 enzyme unit (U), and the enzyme amount of 1s can be transformed into 1mol substrate is 1 katal (abbreviated as. Their conversion is as follows: 1kat = 6 * 10 7u, 1U= 16.67n kat.
Baidu encyclopedia-enzyme
Baidu encyclopedia-vitality unit
- Previous article:How to conduct qq live broadcast?
- Next article:Tourism Guide for Natural Scenic Areas Around Wuhan in 2014
- Related articles
- Talk about it in the deep clouds.
- Humor in the Classic Sentences of Little Cotton-padded Jacket
- Express the feeling of giving up, say, give up a person's sad sentence
- My mother likes to mention the happy box, and being cute and clever has become a necessity for me to fish.
- Rumors stop with wise men! The Analects of Confucius season 3 episode 6
- Is exquisite camping a short-lived trend or a trend?
- Suitable for posting copywriting in the winter afternoon
- Is Apple XS Max easy to use?
- Use if to create emotions.
- Talk about the girl's personality after breaking up.