GB/T 4960.1-2010Glossary of terms - nuclear science and technology - part 1: Nuclear physics and nuclear chemistry (English PDF)
核科学技术术语 第1部分：核物理与核化学
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 10, 2010
Implementation date
May 1, 2011
Scope
GB/T 4960.1-2010 is the English-translated version of 核科学技术术语 第1部分：核物理与核化学.
GB/T 4960.1-2010 is the Chinese standard "Glossary of terms - nuclear science and technology - part 1: Nuclear physics and nuclear chemistry". Its scope clause reads: GB/T 4960 provisions of this part of the field of nuclear physics and nuclear chemistry basic terms and their definitions.
This section applies in the field of nuclear physics and nuclear chemistry preparation of standards and technical documents, translated documents and domestic and international technical exchanges. Its clauses include basic terms.
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Document preview — GB/T 4960.1-2010
National Standard of the People's Republic of China
- ICS
- 27.120
- Classification
- F 40
- Replacing
- GB/T 4960.1-1996
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Introduction
- 1 Scope
- 2 Basic terms
- 3 nuclear decay and the Basic Law of
- 4 ray interaction with matter
- 5 22 nuclear reaction
- 6 nuclear fission
- 7 Nuclear Chemistry
- 8 Accelerator
1 Scope
GB/T 4960 provisions of this part of the field of nuclear physics and nuclear chemistry basic terms and their definitions.
This section applies in the field of nuclear physics and nuclear chemistry preparation of standards and technical documents, translated documents and domestic and international technical exchanges.
2 Basic terms
2.1 Atom
A hierarchical structure of matter, the smallest unit to maintain the same chemical properties. Usually it consists of a nucleus and electrons around it, whose
The number of electrons equals the number of protons in the nucleus.
2.2 Nuclear atomicnucleus
The positively charged atomic core, usually consisting of protons and neutrons. Mass of the atom is almost confined to this.
2.3 Atomic mass
The rest mass of a neutral atom in the ground state.
2.4 Atomic mass unit u
12C a neutral atom in the ground state of the rest mass of 1/12.1u = 1.66053873 × 10-27kg.
2.5 Atomic mass constant
m0
A 12C 1/12 the amount of atomic mass of the name, the unit of atomic mass unit u.
2.6 Atomic atomicmass
The average atomic mass of the element and isotope 12C than 1/12 of the atomic mass, also known as relative atomic mass.
2.7 Atomic
Number of atoms in the periodic table, equal to the number of protons in the nucleus.
2.8 Mass massnumber
The number of nucleons in nuclei.
2.9 Nuclear radius
Generally are the following meaning.
a) Characterization of nuclear charge radius distribution;
b) characterization of the core radius of the nuclear sub-distribution;
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 51 pages — is available in the English PDF.
Similar standards
Editions of GB/T 4960.1
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 4960.1-2010 | Glossary of terms - nuclear science and technology - part 1: Nuclear physics and nuclear chemistry | current edition | Current |
| GB/T 4960.1-1996 | Glossary of terms - nuclear science and technology - part 1: Nuclear physics and nuclear chemistry | previous edition | Superseded |
This page sells the current edition, GB/T 4960.1-2010. Earlier editions are listed for reference only.
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Related Standards
GB/T 4960.2-2023 — Glossary for nuclear science and technology—Part 2: Fission reactor
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GB/T 4960.1-2010
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