iaea.org4 个月
Atomic Mass Data Center
The Atomic Mass Data Center and its electronic bulletin are tools for the exchange of information on experimental masses, evaluation of masses, extrapolation of masses, and theoretical masses. One of ...
iaea.org4 个月
Atomic Masses, Q-values, and Threshold Energies
This Q-value calculation programme allows you to calculate reaction Q-values and threshold energies and decay Q values based on the 1995 Update to the Atomic Mass Evaluation and to retrieve other ...
BBC1 年
Calculating relative atomic mass for elements
The term ‘weighted mean mass’ takes into account the different contribution of each isotope to the overall mass. Relative atomic mass is not the same as mass number. Mass numbers close mass ...
BBC5 年
Calculating relative atomic mass - Higher
Chlorine naturally exists as two isotopes, \(_{17}^{35}\textrm{Cl}\) (chlorine-35) and \(_{17}^{37}\textrm{Cl}\) (chlorine-37). The abundance of chlorine-35 is 75% ...
Satellite photos show Israel hit Iran former nuclear weapons test building, missile ...
WASHINGTON: An American researcher said an Israeli air strike on Saturday (Oct 26) hit a building that was part of Iran's ...
Royal Society of Chemistry11 个月
Journal of Analytical Atomic Spectrometry
The Journal of Analytical Atomic Spectrometry (JAAS) is the central journal for publishing innovative research on fundamentals, instrumentation, and methods in the determination, speciation and ...
Hackaday5 年
The Atomic Pi: Is It Worth It?
The Atomic Pi was billed as a high-power alternative to the Raspberry Pi, and the specs are amazing. For thirty five American buckaroos, you get a single board computer with an Intel processor.
BBC3 年
Chamoli disaster: 'It hit the valley floor like 15 atomic bombs'
When the mass hit the Ronti Gad valley floor, it released the energy equivalent to 15 Hiroshima atomic bombs. The team has reconstructed the event from satellite and other geophysical data The ...
PBS8 年
Chadwick discovers the neutron
was less than the atomic mass (average mass of the atom). For example, a helium atom has an atomic mass of 4, but an atomic number (or positive charge) of 2. Since electrons have almost no mass ...
New technique enhances precision in measuring short-lived atomic nuclei
Scientists at the Heavy Ion Research Facility in Lanzhou (HIRFL-CSR) have developed Tune-IMS, a new technique that ...
On This Day: China detonates its first atomic bomb
In 1964, China detonated its first atomic bomb, dubbed Project 596. In 1968, American track and field athletes Tommie Smith ...
Atmanirbhar Bharat becoming a mass movement
Prime Minister Narendra Modi emphasizes the importance of the Atmanirbhar Bharat campaign and urges citizens to support local ...