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erbium
释义
erbium
Encyclopedia
理学
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释
erbium
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化学元素,元素符号Er,原子序数68,原子量167.259(3),属周期系ⅢB族,稀土元素,镧系元素。
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erbium
铒
68Er
{化}
Astronomy
erbium
缩写:Er。铒
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
erbium
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protection facility of fishing port
protection forest
protection for geological heritage
protection for the power electronic equipment
protection mapping control
protection, monitoring and control device for distribution lines
protection object
protection of ancient and famous trees in Shaanxi
protection of animal biosafety
protection of Chinese materia medica resources
protection of cultivated land
protection of dialects
protection of discharged prisoner
protection of drug trademark
protection of electronic equipment from environmental factor
protection of electronic equipment from shock and vibration
protection of financial consumer rights and interests
protection of fisheries spwaning ground
protection of fishery organisms feeding grounds
protection of ground buildings and structures
protection of groundwater quality
protection of groundwater quantity
protection of intellectual property rights
protection of juvenile
protection of land rights
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