teori atomike

A series of interrelated propositions that attempt to describe, explain, predict, and ultimately to control some class of events. A theory gains explanatory power from inherent ...

peshë atomike

物理; 物理学全般

Weighted average of the masses of stable isotopes of an element as they occur in nature, based on the abundance of each isotope of the element and the atomic mass of the isotope ...

kimi fizike

化学; 化学全般

A branch of chemistry that studies chemical phenomena from a physical and mathematical perspective. Physical chemistry includes chemical thermodynamics, kinetics, spectroscopy, ...

itrium

化学; 化学全般

Element 39, atomic weight 88.90585, a dark gray metal that is used in alloys and nuclear technology for its high neutron transparency. Yttrium compounds are used in the ...

spontan

化学; 化学全般

A spontaneous process occurs because of internal forces; no external forces are required to keep the process going, although external forces may be required to get the process ...

stabilizator

化学; 化学全般

A substance that makes a mixture more stable. Antioxidants and antiozonants are examples of stabilizers; stabilizers are added to paints to prevent the components of the mixture ...

biokimi

化学; 化学全般

The chemistry of living things, including the structure and function of biological molecules and the mechanism and products of their reactions.

homogjen

化学; 化学全般

Having uniform properties or composition; only a solution can be homogeneous

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産業/ドメイン休日カテゴリ公式化されていない祝日

Smokeout Great American

Observed every year since 1977, the Great American Smokeout takes place on the third Thursday of November. Sponsored by the American Cancer Society, ...