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crystallization    
n. 结晶化

结晶化

crystallization
结晶

crystallization
结晶

crystallization
n 1: the formation of crystals [synonym: {crystallization},
{crystallisation}, {crystallizing}]
2: a rock formed by the solidification of a substance; has
regularly repeating internal structure; external plane faces
[synonym: {crystal}, {crystallization}]
3: a mental synthesis that becomes fixed or concrete by a
process resembling crystal formation

Crystallization \Crys`tal*li*za"tion\
(kr[i^]s`tal*l[i^]*z[=a]"sh[u^]n), n. [Cf. F.
cristallization.]
1. (Chem. & Min.) The act or process by which a substance in
solidifying assumes the form and structure of a crystal,
or becomes crystallized; the formation of crystals.
[1913 Webster]

2. The body formed by crystallizing; as, silver on
precipitation forms arborescent crystallizations.
[1913 Webster]

Note: The systems of crystallization are the several classes
to which the forms are mathematically referable. They
are most simply described according to the relative
lengths and inclinations of certain assumed lines
called axes; but the real distinction is the degree of
symmetry characterizing them. 1. {The Isometric
system}, or {The Monometric system} has the axes all
equal, as in the cube, octahedron, etc. 2. {The
Tetragonal system}, or {The Dimetric system} has a
varying vertical axis, while the lateral are equal, as
in the right square prism. 3. {The Orthorhombic
system}, or {The Trimetric system} has the three axes
unequal, as in the rectangular and rhombic prism. In
this system, the lateral axes are called, respectively,
macrodiagonal and brachydiagonal. -- The preceding are
erect forms, the axes intersecting at right angles. The
following are oblique. 4. {The Monoclinic system},
having one of the intersections oblique, as in the
oblique rhombic prism. In this system, the lateral axes
are called respectively, clinodiagonal and
orthodiagonal. 5. {The Triclinic system}, having all
the three intersections oblique, as in the oblique
rhomboidal prism. There is also: 6. {The Hexagonal
system} (one division of which is called Rhombohedral),
in which there are three equal lateral axes, and a
vertical axis of variable length, as in the hexagonal
prism and the rhombohedron.
[1913 Webster]

Note: The Diclinic system, sometimes recognized, with two
oblique intersections, is only a variety of the
Triclinic.
[1913 Webster]


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  • Crystallization - Wikipedia
    Crystallization is a process that leads to solids with a uniform pattern of atoms or molecules, i e a crystal The uniform nature of a crystalline solid can be contrasted with amorphous solids in which atoms or molecules lack regular organization
  • Crystallization: Definition, Process, Examples, and Applications
    Crystallization, a fundamental process in nature and industry, is pivotal in forming structured solids from liquids or gases It involves the orderly arrangement of atoms, ions, or molecules into a highly organized, repeating pattern known as a crystal lattice
  • 3: Crystallization - Chemistry LibreTexts
    Crystallization is used in the chemistry laboratory as a purification technique for solids An impure solid is completely dissolved in a minimal amount of hot, boiling solvent, and the hot solution …
  • Crystallization: 4 Types, Processes, Steps, Important Applications
    Crystallization is a separation technique that is frequently used in the chemical and pharmaceutical industries The principle of crystallization is based on a compound’s limited solubility in a solvent at a given temperature, pressure, and so on
  • Crystallization - an overview | ScienceDirect Topics
    Crystallization is a promising strategy to balance the energy and safety of energetic crystals, by which the morphology and crystal structure can be adjusted through tuning the crystallization conditions
  • What is crystallization in chemistry? - California Learning Resource . . .
    Crystallization, a cornerstone process in chemistry and materials science, refers to the formation of solid crystals from a homogeneous solution, melt, or, less commonly, a gas
  • Crystallization | physical process | Britannica
    The freezing process, also called crystallization, involves cooling salt water to form crystals of pure ice The ice crystals are separated from the unfrozen brine, rinsed to remove residual salt, and then melted to produce fresh water
  • Crystallization | Science | Research Starters - EBSCO
    When crystallization occurs, the molecules, atoms, or ions of a substance form into fixed, symmetrical patterns called lattices A crystal lattice is a three-dimensional configuration of points connected by lines used to describe the precise arrangement of atoms in a crystal
  • Crystallization - ScienceDirect
    The unit operation of crystallization is governed by some very complex interacting variables It is a simultaneous heat-and mass-transfer process with a strong dependence on fluid and particle mechanics
  • Crystallization Precipitation | Definition, Steps, Equipment
    Based on solubility, one or more crystallization methods (cooling, antisolvent, evaporative or reactive crystallization) are performed to reach high product yield





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