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Subject Contents

The ETDE Energy Database contains a wealth of information on a variety of energy-related topics. While primarily considered a scientific and technical database, users will also find information targeted to policymakers and consumers. Thanks to the addition of subject-related categories and thesaurus terms (keywords) being added to records in the database, users can better target the information to get more precise results than are usually possible by just using Internet searching.

The following bar chart represents the subject contents of the database in 2013. These are broad groupings, but serve to represent the diversity of coverage. The high percentages in the physics, materials, and nuclear areas are thanks to ETDE’s cooperation with the IAEA’s International Nuclear Information System (INIS).

subject contents of the database in 2013

The “Miscellaneous” section in the above bar chart includes general energy areas and the following newer subject areas: Nanoscience & Nanotechnology; Astrophysics, Cosmology & Astronomy; Knowledge Management and Preservation; and, Mathematical Methods & Computing.

Subject categories are used by ETDE to classify records. Typically, these fall into four general types:

(1) those representing energy sources, e.g., COAL, LIGNITE, AND PEAT, SOLAR ENERGY, WIND ENERGY;

(2) those representing energy production, utilization, and management, e.g., FOSSIL-FUELED POWER PLANTS and ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION;

(3) those representing energy conversion and storage, e.g., DIRECT ENERGY CONVERSION and ENERGY STORAGE;

(4) those accommodating the basic information developed in support of energy production, conversion, and utilization, e.g., CHEMISTRY and PHYSICS.

The table below shows a more in-depth look at the subject categories (category numbers are in parentheses) used for the database and provides users with a better idea of the breadth of what can be found. For even greater detail, users have access to both the full subject categories publication and subject thesaurus published jointly with the International Nuclear Information System (INIS) available in the reference aids section

Coal, Lignite and Peat (01)

Petroleum (02)

Natural Gas (03)

Oil Shales and Tar Sands (04)

Isotopes and Radiation Sources (07)

Hydrogen (08)

Biomass Fuels (09)

Synthetic Fuels (10)

Nuclear Fuel Cycle and Fuel Materials (11)

Management of Radioactive Wastes, and Non-Radioactive Wastes from Nuclear Facilities (12)

Hydro Energy (13)

Solar Energy (14)

Geothermal Energy (15)

Tidal and Wave Power (16)

Wind Energy (17)

Fossil-Fueled Power Plants (20)

Specific Nuclear Reactors and Associated Plants (21)

General Studies of Nuclear Reactors (22)

Power Transmission and Distribution (24)

Energy Storage (25)

Energy Planning, Policy, and Economy (29)

Direct Energy Conversion (30)

Energy Conservation, Consumption, and Utilization (32)

Advanced Propulsion Systems (33)

Materials Science (36)

Inorganic, Organic, Physical and Analytical Chemistry (37)

Radiation Chemistry, Radiochemistry and Nuclear Chemistry (38)

Engineering (42)

Particle Accelerators (43)

Instrumentation Related to Nuclear Science and Technology (46)

Other Instrumentation (47)

Environmental Sciences (54)

Geosciences (58)

Applied Life Sciences (60)

Radiation Protection and Dosimetry (61)

Radiology and Nuclear Medicine (62)

Radiation, Thermal, and other Environmental Pollutant Effects on Living Organisms and Biological Materials (63)

Plasma Physics and Fusion Technology (70)

Classical and Quantum Mechanics, General Physics (71)

Physics of Elementary Particles and Fields (72)

Nuclear Physics and Radiation Physics (73)

Atomic and Molecular Physics (74)

Condensed Matter Physics, Superconductivity and Superfluidity (75)

Nanoscience and Nanotechnology (77)

Astronomy, Cosmology and Astrophysics (79)

Knowledge Management and Preservation (96)

Mathematical Methods and Computing (97)

Nuclear Disarmament, Safeguards and Physical Protection (98)

General and Miscellaneous (99)





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