以下为句子列表：
英文: Abstract: The paper presents distribution of nepheline syenites and theirtectonic settings, rock assembladges, mineral associations and geochemisical characteristics, discusses the relationship between the minerological characteristics of main minerals an
中文: 文摘:介绍了中国霞石正长岩的分布、产出的大地构造环境、岩体的岩石组合、岩石的地球化学和造岩矿物组合特征。
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英文: Analysis f K and Na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove SiO2, adjusting the ratio of K and Na in the solution to reduce the mutual interference of the two
中文: 摘要本方法用于测定霞石中的钾、钠，主要通过在溶样时加入氢氟酸除去二氧化矽，调整溶液中钾、钠的含量，消除互相之间的干扰，加入氯化铯消除电离因素的干扰，提高了分析结果的准确性和重现性，使测定结果更接近化学分析值。
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英文: Analysis of K and Na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove SiO2 ,adjusting the ratio of K and Na in the solution to reduce the mutual interference of the tw
中文: 摘要本方法用于测定霞石中的钾、钠，主要通过在溶样时加入氢氟酸除去二氧化矽，调整溶液中钾、钠的含量，消除互相之间的干扰，加入氯化铯消除电离因素的干扰，提高了分析结果的准确性和重现性，使测定结果更接近化学分析值。
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英文: The rock texture，mineral occurence feature，ore electronmagnetic milling and applied possibilities in ceramics and glass of the jadeite metamorphic aegirine-augite nepheline syenite in Suizhou，Hubei were studied.The results show that the ore deposit combin
中文: 随州硬玉质变霓霞正长岩的岩石组织结构、矿物赋存状态、矿石可选性和玻璃陶瓷原料应用试验研究表明：该资源具有易采易选两大优点，矿石经单一磁选的精矿可作玻璃和陶瓷的原料；同时已反复试验证实该资源可烧成原矿用量达90％的釉面墙地砖。
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