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borate mineral
释义
borate mineral
Encyclopedia
工学
硼化合物
释
borate mineral
硼矿
可以开采和提取硼元素或硼化合物的矿物。硼矿是化工工业和冶金工业的重要原料,2017年,世界上硼矿总储量约17亿吨(以B2O3计),硼酸盐矿的储量约有38000万吨,其中土耳其约有23000万吨,其次为美国、俄罗斯、智利和中国。
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spherical excess
spherical excess formula
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spherical group
spherical Hankel function of the first kind
spherical Hankel function of the second kind
spherical harmonic differential equation
spherical harmonic expansion
spherical harmonic function
spherical harmonic method
spherical harmonic oscillator
spherical harmonics
spherical harmonic tensor
spherical helix
spherical homology class
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