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Molecular formula :
MW :

nature : system (on line) have the same physical properties and chemical properties of some uniformity. The so-called uniform dispersion refers to its molecular size of magnitude. Between phase is a clear interface across this interface, there are some macroscopic properties (such as density, refractive index, composition, etc.) to mutations. For example, air (or solution) is the mixture, but internal totally homogeneous, there is a phase. Water and ice coexist, although its composition is H2O, but have different physical properties, there are two phases; Water, ice and steam are three coexisting phase. Two crystal sulfur is the same one phase, two different crystal-sulfur (such as sulfur and ramps to monoclinic sulfur) Phase 2.

Notice:Each item can have many explanations from different angels. If you want grasp the item comprehensively,please see below "more details data".
Please see below "More Detailed Data"
More Detailed Data:
1) phase
2) S phase
3) G phase
4) log phase
5) idiophase
6) lag phase
7) rich phase
8) lean phase
9) dense phase
10) glass phase
Notice Some description was translated by software and the data is only as a reference.
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