pectoral fin
pectoral fin In fish, one of the pair of fins that are situated one on each side of the fish just behind the gills (‘breast fins’). Normally they are used for balancing and braking, but in some species (e.g.
Exocoetidae, flying fish) the extra-large fins are used for jumping and for gliding over the water surface.
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Units in mass spectrometry
Magazine article from: Spectroscopy; 11/1/2001; ; 700+ words
; ...knowledge of the masses of isotopes was...the isotopic masses is only approximately...that a billion mass spectra are recorded...begin with the units for the x axis...current accepted unit is m/z, said...the unified atomic mass unit. A...for atomic mass ...
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In July, SII NanoTechnology, a Seiko Instruments subsidiary, began mass production of its SEA 1000A x-ray fluorescence (XRF) and SFF9100X x-ray coating thickness gauges at its Chinese-based subsidiary.(Atomic Spectroscopy: Company Announcements)
Newspaper article from: Instrument Business Outlook; 12/15/2005; 662 words
; In July, SII NanoTechnology, a Seiko Instruments subsidiary, began mass production of its SEA 1000A x-ray fluorescence (XRF) and SFF9100X x-ray coating thickness gauges at its Chinese-based subsidiary. Twenty units are produced monthly to be marketed mainly in China.
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Search for variation of the fundamental constants in atomic, molecular, and nuclear spectra.(Report)
Magazine article from: Canadian Journal of Physics; 1/1/2009; ; 700+ words
; ...vary then the fundamental mass ratio varies faster than...detect the variation of the mass ratio. Transitions sensitive...to the variation of the mass ratio can be found in...change too. In atomic units [alpha] = 1/c where...present the dependence of atomic frequencies on the fine...
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FUSION IN TIME; ATOMIC TICKERS AND RETRO STYLING ARE PUTTING A NEW FACE ON CLOCKS.
Magazine article from: HFN The Weekly Newspaper for the Home Furnishing Network; 9/11/2000; ; 700+ words
; ...industry today is about atomic clocks, which are being...rotary buttons control the unit's AM/FM radio. The...price points preclude mass merchandising chains...is being given to the atomic clocks, whose times are...radio signals from the Atomic Clock of the National...
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Duke Engineering & Services and Yankee Atomic Electric Company Sign Letter of Intent: DE&S to Acquire Yankee's Nuclear Services Division
PR Newswire; 10/15/1997; 700+ words
; ...independently operated business unit of Duke Energy Corporation...in 50 countries. Yankee Atomic Electric Company Statement BOLTON, Mass. -- Yankee Atomic Electric Company is pleased...Earlier this year, Yankee Atomic Electric Company's Board...
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 "Telegraph - Herald (Dubuque)")
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Reflection on the bomb; Area WWII vets say use of atomic weapons allowed them to 'grow up'
Newspaper article from: Telegraph - Herald (Dubuque); 8/7/2005; ; 700+ words
; ...of the youngest in his unit, the 25th Regiment of...Enola Gay, dropped an atomic bomb on Hiroshima. The...Nagasaki received the second atomic bomb on Aug. 9. On Aug...others learned of the atomic bombings. "I think we...have been dead." 'A mass of rubble' Richard Eberhardt...
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Scientists Develop Atomic-Scale Memory.
News Wire article from: Ascribe Higher Education News Service; 9/4/2002; 700+ words
; ...atom is a fundamental unit of nature. They are the...conventional memory, the atomic-scale device can be...and difficult. The new atomic-scale memory was made...proves the feasibility of atomic-scale memory and provides...working memory that could be mass produced, Himpsel says...
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The Mindscape Entertainment Division of the Learning Company Announces Close Combat Publishing Deal With Atomic Games.
PR Newswire; 4/29/1999; 700+ words
; ...rain and snow. About Atomic Games Atomic Games, a privately held...Combat series of games. Atomic has worked with such publishers...Mindscape Entertainment unit of The Learning Company...based in Cambridge, Mass., is one of the country...
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Yankee Atomic 'F-1' commercial paper affirmed by Fitch. (Yankee Atomic Electric Co.)(Fitch Financial Wire)
PR Newswire; 12/4/1990; 667 words
; ...contracts between Yankee Atomic and the owner/customers...Power Operations. The unit provided power at an average...rating category. Yankee Atomic Electric was organized...The plant is in Rowe, Mass. -0- 12/4/90...908-0575/ CO: Yankee Atomic Electric Co. ST: Massachusetts...
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U.N. Body Stiffens Controls on Atomic Weapons
Newspaper article from: The Washington Post; 9/21/1991; ; 700+ words
; The International Atomic Energy Agency, whose...preventing the proliferation of atomic weapons elsewhere. IAEA...creation of a special agency unit to receive and analyze...eliminate its weapons of mass destruction. Also passed...been suspected of having atomic weapons. Until this summer...
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atomic mass unit
Book article from: World Encyclopedia
atomic mass unit ( amu ) Unit of mass used to compare relative atomic masses, defined as 1/12th the mass of the most abundant isotope of carbon, carbon-12 (6 electrons, 6 protons, and 6 neutrons). One amu is equal to 1.66033 × 10 −27 kg.
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Atomic Mass
Book article from: Science of Everyday Things
...measuring its mass. The mass of...one gram in mass. At first...765 times! Atomic Mass Units It is obvious...entirely different unit is needed for...an atom mass unit (abbreviated...this book, atomic mass units are sometimes...
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Atomic Mass and Weight
Book article from: World of Earth Science
Atomic mass and weight The atomic mass of an atom (i.e., a...that is assigned a mass of 12 atomic mass units (amu). Atomic mass is sometimes erroneously...molecules) weighs its total unit atomic mass (formerly termed...
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atomic mass
Book article from: The Columbia Encyclopedia, Sixth Edition
...usually expressed in atomic mass units (amu). Most of the mass of...weighs about 1 amu, and thus the atomic mass is always very close to the...of an element all have the same atomic mass. Atomic masses are usually determined by mass...
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Atomic weight
Encyclopedia entry from: The Gale Encyclopedia of Science
...of an atom is usually calculated in units other than grams, units that are closer to the size of the particle...therefore more practical. The table of atomic weights is based on a unit called an atomic mass unit, abbreviated u, or in older notation...
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