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Encyclopedia
工学
非必需微量元素
释
chromium
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一种化学元素。
理学
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chromium
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化学元素,元素符号Cr,原子序数24,原子量51.9961(6),属周期系ⅥB族。
Astronomy
全称:chromium。缩写:Cr
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Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
chromium
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energy-saving control of sensors
energy saving glass
energy saving in aquaculture hothouse
energy saving label
energy saving lighting
energy-saving management of agricultural machinery processing in rural areas
energy-saving management of building in rural areas
energy-saving management of cooking in rural areas
energy-saving of diesel locomotive
energy saving of station building
energy-saving technologies in greenhouse
energy saving technology of electromagnetic heater
energy-saving technology of the rod pumping
energy-saving technology of vehicle
energy saving transformation of existing building
energy saving transformer
energy security
energy-selected image
energy-selected image, ESI
energy-sensitive
energy source
energy spectral density
energy spectrum
energy spectrum CT scan
energy spectrum density of turbulence
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