nitrógeno

nitrógeno

An element with atomic number 7; symbol: N. It is common in Earth's atmosphere and along with hydrogen, carbon, and oxygen is essential for life.

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类别行星科学
Company: PSRD
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Nitrógeno

科学; 普通科学

Un elemento químico, N, número atómico 7, peso atómico 14.0067. Nitrógeno, un gas bajo condiciones normales, es el elemento más ligero del grupo 5 de la tabla periódica (familia ...

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天气; 一般天气

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考古学; 净化

A chemical process by which nitrogen in the atmosphere is assimilated into organic compounds. Only certain bacteria are able to fix atmospheric nitrogen, which then becomes ...

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卫生保健; 医院

Urea is a waste product formed when the body breaks down protein. Urea is then eliminated from the blood stream by the kidney in urine.

astrobiología

天文学; 行星科学

Study of the origin, distribution, and destiny of life in the universe. These are interdisciplinary studies involving astronomers, astrophysicists, biologists, chemists, ...

organismo

天文学; 行星科学

Any form of animal or plant life.

extrusivas

天文学; 行星科学

Refers to igneous rocks erupted on the surface.

atmósfera

天文学; 行星科学

Mixture of gases that surround and are gravitationally attached to a planet.

lava

天文学; 行星科学

Fluid magma that flows onto the surface of a planet or moon; erupted from a volcano or fissure. Also, the rock formed by solidification of this material.

litósfera

天文学; 行星科学

Layer in a planetary body consisting of the crust and upper mantle.

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Gabriela Lozano

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行业/领域：水果和蔬菜类别根菜类

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Annual or biennial plant (Raphanus sativus) of the mustard family, probably of Oriental origin, grown for its large, succulent root. Low in calories ...