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1.The Late Archaean Fuping Group of the Xiaojue region in Pingshan County, Hebei Province contains three main metamorphic rock types, i.e. K felspar leucoleptite, semipelitic biotite leptite and biotite gneiss, and hornblendic rocks.
河北平山小觉地区晚太古代阜平群含有三种主要表壳岩性质的变质岩类，即钾长浅粒岩类，黑云变粒岩－片麻岩类和角闪质岩石类。收藏指正
2.The resultis shows that the efficiency of combination for barium aluminate can reach 95% at a deadburning temperature of 1200℃ in a time period of 90 minutes,with molecular proportion of alundum to baryta being.
实验结果表明 :在温度 12 0 0℃ ,氧化铝与氧化钡的分子比 1.2 ,煅烧时间 90min条件下 ,铝酸钡的合成率可以达到 95%。收藏指正
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