理学 >>> 地质学 >>> 矿床学与矿相学 >>> 凹凸棒石
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The Beijing-Tianjin sandstorm source control project started formal implementation in 2001, This paper construct a set of ecological benefit evaluation system about the Beijing-Tianjin sandstorm sourc...
The soil heavy metal pollution have be paid more attention because the sources of soil heavy metals become multiple and complicated with the accelerated urbanization. According to this research, the o...
With the advent of urban construction upsurge, the construction of urban design in the city is playing an increasingly important role. Beauty is the goal of urban design, rapid development in modern c...

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