广泛分布的纯碳酸岩是形成石漠化的基础，地貌植被退化过程也可促进石漠化。
Widespread distributed pure carbonate rock is the basis on which stony desertification formed while relief and vegetation retrogression process can also promote desertification.
采用撞击流反应结晶方法，以青海盐湖水氯镁石为原料，制备了高纯纳米氢氧化镁。
High purity nano-sized magnesium hydroxide was prepared by impinging stream reaction crystallization method using bischofite (from Chaerhan salt lake, in Qinghai Province) as raw material.
构图及画风与纯阳殿相近，由49幅连续性的画面组成，各部分之间以山、石、云、树相隔。
The painting style is similar to that of the Chunyang Hall with 49 consecutive scenes separated by mountains, stones, clouds and trees.
对铁合成炉、三合一石墨合成炉、二合一石墨合成炉在高纯盐酸生产中的应用情况进行了对比。
The application of ferreous synthetic furnace, triad graphite synthetic furnace and diad graphite synthetic furnace in the production of high purity hydrochloric acid is compared.
凹凸棒石是一种链层状镁铝硅酸盐矿物，早在19世纪就已被发现，但是至今该矿物在重金属离子吸附机理和纯凹凸棒石酸溶动力学方面的研究仍较少。
Since it was discovered in the 19th century, few attention has been paid on the adsorption mechanism of heavy metal ions to the mineral and kinetics of acid-dissolution of palygorskite.
复合型蒙脱石室温离子电导率均低于纯蒙脱石。
The ionic conductivity of composite MMT is lower than pure MMT at room temperature.
吊坠材质：纯银，锆石，黑玛瑙。
主要原料有：高分子PU、石米、纯木浆。
The main raw materials : macromolecular PU, Stone Particles , pure wood pulp.
主要原料有：高分子PU、石米、纯木浆。
The main raw materials : macromolecular PU, Stone Particles , pure wood pulp.
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