алфа честичка

алфа честичка

A kind of positively charged subnuclear particle (consisting of 2 protons and 2 neutrons) given off by some isotopes when they decay or fission.

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분야/도메인: 인류학
카테고리: 자연 인류학
Company: Palomar College
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алфа-честичка

천문학; 일반 천문학

1) Nucleus formed by the α-process (q.v.) (see even-even nuclei.) 2) Particle first discovered in radioactive α decay, and later identified as helium nuclei (two protons and two ...

честичка

교육; SAT 어휘

A minute particle of matter.

честичка

화학; 일반 화학

Мал дел од материјата, всушност најмалиот после молекулата. Молекулата се дели на честички.

хемофилија

인류학; 자연 인류학

An X-linked genetically inherited recessive disease in which one or more of the normal blood clotting factors is not produced. This results in prolonged bleeding from even minor ...

фетус

인류학; 자연 인류학

An unborn child during the later stages of pregnancy. In humans, an embryo usually becomes a fetus after the 8th week of gestation. Unlike embryos, fetuses have clearly ...

амино киселина

인류학; 자연 인류학

An organic molecule that is a building blocks of proteins. There are at least 20 different kinds of amino acids in living things. Proteins are composed of different combinations ...

хибрид

인류학; 자연 인류학

An offspring that is the result of mating between two genetically different kinds of parents--the opposite of purebred.

хормон

인류학; 자연 인류학

A class of substances (usually proteins) that are produced by specialized cells and that travel to other parts of the body, where they influence chemical reactions and regulate ...

анемија

인류학; 자연 인류학

A medical condition characterized by fatigue, weakness, poor appetite, weight loss, and paleness or a yellowish tinge to the skin and eyes resulting from a deficiency of red blood ...