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Dalton    音标拼音: [d'ɔltən]
n. 道尔顿

道尔顿

Dalton
n 1: English chemist and physicist who formulated atomic theory
and the law of partial pressures; gave the first
description of red-green color blindness (1766-1844) [synonym:
{Dalton}, {John Dalton}]

Microcrith \Mi`cro*crith"\, n. [Micro- crith.] (Chem.)
The weight of the half hydrogen molecule, or of the hydrogen
atom, at one time taken as the standard in comparing the
atomic weights of the elements; thus, an atom of oxygen
weighs sixteen microcriths. This unit is no longer used, and
has been replaced by the {Dalton}, which is of approximately
the same value. See {molecular weight} and {Crith}. --J. P.
Cooke.
[1913 Webster PJC]


Dalton \Dalton\ n.
John Dalton, scientist, born 1766, died 1844.

Syn: John Dalton.
[WordNet 1.5]


dalton \dalton\ n. [from the chemist John Dalton, proponent of
the modern atomic theory of matter.]
a unit of mass, approximately 1.66 x 10^{-24} grams; -- it is
approximately equal to the mass of one hydrogen atom, but the
exact value differs slightly as used in physics and
chemistry. It is used mostly to describe the size of proteins
and nucleic acids in biochemistry.

Note: Molecular weights are often expressed as dimensionless
units, the unit being understood (in chemistry) to be
the atomic mass unit with carbon equal to 14. Thus
having a "molecular weight of 255" means the same as
each molecule having a mass of 255 daltons.

Syn: Syn. atomic mass unit.
[PJC]

Dalton, NE -- U.S. village in Nebraska
Population (2000): 332
Housing Units (2000): 170
Land area (2000): 0.343611 sq. miles (0.889948 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 0.343611 sq. miles (0.889948 sq. km)
FIPS code: 12070
Located within: Nebraska (NE), FIPS 31
Location: 41.408685 N, 102.972195 W
ZIP Codes (1990): 69131
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:
Dalton, NE
Dalton


Dalton, GA -- U.S. city in Georgia
Population (2000): 27912
Housing Units (2000): 10229
Land area (2000): 19.824620 sq. miles (51.345527 sq. km)
Water area (2000): 0.015111 sq. miles (0.039138 sq. km)
Total area (2000): 19.839731 sq. miles (51.384665 sq. km)
FIPS code: 21380
Located within: Georgia (GA), FIPS 13
Location: 34.771088 N, 84.971553 W
ZIP Codes (1990): 30720 30721
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:
Dalton, GA
Dalton


Dalton, OH -- U.S. village in Ohio
Population (2000): 1605
Housing Units (2000): 628
Land area (2000): 1.221573 sq. miles (3.163859 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 1.221573 sq. miles (3.163859 sq. km)
FIPS code: 19974
Located within: Ohio (OH), FIPS 39
Location: 40.799295 N, 81.697030 W
ZIP Codes (1990): 44618
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:
Dalton, OH
Dalton


Dalton, PA -- U.S. borough in Pennsylvania
Population (2000): 1294
Housing Units (2000): 519
Land area (2000): 3.100343 sq. miles (8.029850 sq. km)
Water area (2000): 0.061813 sq. miles (0.160096 sq. km)
Total area (2000): 3.162156 sq. miles (8.189946 sq. km)
FIPS code: 18088
Located within: Pennsylvania (PA), FIPS 42
Location: 41.535597 N, 75.735090 W
ZIP Codes (1990): 18414
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:
Dalton, PA
Dalton


Dalton, MN -- U.S. city in Minnesota
Population (2000): 258
Housing Units (2000): 119
Land area (2000): 0.239488 sq. miles (0.620272 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 0.239488 sq. miles (0.620272 sq. km)
FIPS code: 14626
Located within: Minnesota (MN), FIPS 27
Location: 46.173403 N, 95.916658 W
ZIP Codes (1990): 56324
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:
Dalton, MN
Dalton


Dalton, MO -- U.S. town in Missouri
Population (2000): 27
Housing Units (2000): 24
Land area (2000): 0.177026 sq. miles (0.458495 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 0.177026 sq. miles (0.458495 sq. km)
FIPS code: 18118
Located within: Missouri (MO), FIPS 29
Location: 39.397130 N, 92.991248 W
ZIP Codes (1990): 65246
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:
Dalton, MO
Dalton


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  • John Dalton - Wikipedia
    John Dalton FRS ( ˈdɔːltən ; 5 or 6 September 1766 – 27 July 1844) was an English chemist, physicist, and meteorologist whose work laid the foundations of modern atomic theory and stoichiometric chemistry
  • John Dalton | Biography, Discoveries, Atomic Model, Facts - Britannica
    John Dalton, English meteorologist and chemist, a pioneer in the development of modern atomic theory His theory was notable for, among other things, positing that each element had its own kind of atom and that atoms of various elements vary in size and mass Learn more about Dalton in this article
  • Dalton Park – Parks Recreation
    Today, the Department owns 182 beautiful parks including natural areas, wildlife sanctuaries, lakes, trails, arboreta and botanic gardens and local, community and regional parks
  • John Dalton The Theory of Atomism | Science History Institute
    Although a schoolteacher, a meteorologist, and an expert on color blindness, John Dalton is best known for his pioneering theory of atomism He also developed methods to calculate atomic weights and structures and formulated the law of partial pressures
  • Dalton (unit) - Wikipedia
    The dalton is commonly used in physics and chemistry to express the mass of atomic-scale objects, such as atoms, molecules, and elementary particles, both for discrete instances and multiple types of ensemble averages
  • John Dalton - Atomic Theory, Chemistry, Physics | Britannica
    By far Dalton’s most influential work in chemistry was his atomic theory Attempts to trace precisely how Dalton developed this theory have proved futile; even Dalton’s own recollections on the subject are incomplete
  • Home - Dalton State
    Dalton State–Georgia’s first Hispanic-Serving Institution–has earned the Seal of Excelencia for its emphasis on student success From health and wellness programs to scholarships to student organizations, we’re here to help you in your college journey
  • Dalton GA Real Estate Homes For Sale - Zillow
    Zillow has 339 homes for sale in Dalton GA View listing photos, review sales history, and use our detailed real estate filters to find the perfect place
  • AI singer Eddie Dalton: Pittsburgh musicians react to the soul phenom . . .
    The latest addition to the brave new world is Eddie Dalton, a contemporary soul singer in the classic vein of Otis Redding Dalton, depicted as a gray-haired





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