| 1. | Health standard for dusts of aluminium oxid and aluminium alloys in the air of workplace
车间空气中铝氧化铝铝合金粉尘卫生标准
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| 2. | Testing of pulp and papier ; determination of the silicium - oxid content ; photometric method
纸浆和纸的检验.二氧化硅含量的测定.光度测量法
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| 3. | Testing of pulp and paper ; determination of the silicium - oxid content , gravimetric method
纸浆和纸的检验.第1部分:采用重力分析法测定二氧化硅
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| 4. | Testing of ceramic materials ; chemical analysis of alumosilicates ; photometric determination of the phosphorus - v - oxid content
陶瓷材料的检验.硅酸铝的化学分析.五氧化二磷含量的
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| 5. | Stationary source emission . determination of nitrogen oxid . n 1 - naphtye - ethylenediamine dihydrochloride spectrophotometric method
固定污染源排气中氮氧化物的测定.盐酸萘乙二胺分光光度法
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| 6. | In this paper , oxid crystals were synthesized by the hydrothermal method , and the effects of the hydrothermal condition on shape and quality of crystal were studied by changing experimental temperature and mineralizer . on the base of these works the blue sapphire dopped with fe , ti and sapphire dopped with ti were synthesized . meantime , the effects of ti , fe - dopped on sapphire and what lead to the blue of sapphire were studied
本文采用水热法合成了- al _ 2o _ 3和zno晶体，通过改变温度和矿化剂条件研究了水热条件下温度和矿化剂对- al _ 2o _ 3和zno晶体合成的影响；在此基础上通过掺杂致色元素，合成了蓝色蓝宝石、钛蓝宝石，并研究了fe 、 ti等致色离子对蓝宝石晶体界面形态和质量的影响，分析了蓝宝石的致色原因。
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