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[Class 1] Chemicals used in industry, science, photography, agriculture, horticulture, and forestry; unprocessed synthetic resins and unprocessed plastics; fire extinguishing and fireproofing compounds; quenching and welding preparations; substances for tanning animal hides; industrial adhesives; compost, fertilizers, and chemical fertilizers; biological agents for industrial and scientific use.

No. Chinese English
10018 Actinium
10054 Americium
10087 核反应堆用燃料 Fuel for nuclear reactors
10115 Berkelium
10142 Californium
10159 Fermium
10179 核反应堆减速材料 Moderating materials for nuclear reactors; Nuclear reactors (Moderating materials for –)
10180 可裂变的化学元素 Chemical elements (Fissionable –); Fissionable chemical elements
10226 Curium
10253 重水 Heavy water; Water (Heavy –)
10297 核能用可裂变物质 Fissionable material for nuclear energy
10314 Francium
10369 工业用同位素 Isotopes for industrial purposes
10402 Neptunium
10442 Plutonium
10443 Polonium
10450 Promethium
10451 Protactinium
10456 科学用放射性元素 Radioactive elements for scientific purposes
10458 科学用镭 Radium for scientific purposes
10535 Thorium
10542 Uranium
10543 氧化铀 Uranium oxide
Radium
原子堆用燃料 Fuel for atomic piles
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