SI izvedena jedinica

SI izvedena jedinica

One of many SI units of measure expressed as relationships of the SI base units. For example, the watt, W, is the SI derived unit of power. It is equal to joules per second. W = m2 ⋅ kg ⋅ s–3 (Note: the joule, J, is the SI derived unit for energy, work, or quantity of heat.) See also Units of Measure.

0 0

完善词条

添加图像

词性：名词
同义词：
词汇：
行业/领域：航空航天
类别太空飞行
Company: NASA
产品：
取首字母的缩写词：

添加至 My Glossary

其他语言：

类似词条

jedinica

化学; 普通化学

A standard for comparison in measurements. For example, the meter is a standard length which may be compared to any object to describe its length.

izvedena jedinica

化学; 普通化学

Derived units are units constructed from the SI system's base units . For example, the SI unit for density is kg/m3, derived from the base units kg and m.

neidentifikovani leteći objekat (NLO)

航空航天; 太空飞行

UFOs are unidentified aircraft which are attributed to alien space flight. One supposed UFO halted air traffic at Hangzhou Airport, China, on July 7. The appearance is being ...

svemirski šatl

航空航天; 太空飞行

A reusable spacecraft with wings developed by the U.S. National Aeronautics and Space Administration (NASA) for human spaceflight missions. The first test flight took place in ...

zenit

航空航天; 太空飞行

The point on the celestial sphere directly above the observer. Opposite the nadir.

x-zrak

航空航天; 太空飞行

Electromagnetic radiation in the neighborhood of 100 picometer wavelength.

x-dijapazon

航空航天; 太空飞行

A range of microwave radio frequencies in the neighborhood of 8 to 12 ghz.

težina

航空航天; 太空飞行

The gravitational force exerted on an object of a certain mass. The weight of mass m is mg Newtons, where g is the local acceleration due to a body's gravity.

新闻词条

精选词条

svetiana

0
词条
1
词汇
4
关注者

行业/领域：艺术与工艺类别油画

Mona Liza

The Mona Lisa is widely recognized as one of the most famous paintings in the history of art. It is a half-length portrait of a seated woman painted ...