Measurement of Oxygen in High Purity Nitrogen by Means of Air Pressure Ionic Mass Spectrum;
用液相色谱-大气压光离子质谱开发出测定鱼肉中的氯霉素抗生素的方法。
High Purity Nitrogen Generate Plant are designed various kinds of process to meet customers' demands.
高纯氮设备可以采用正流、反流； 单塔、双塔等有多种流程组织方式，满足客户的不同压力等级要求。
Common purity nitrogen as the material, through some special technics, wipe off the oxygen and water in nitrogen, then get high purity nitrogen.
利用普氮为原料，通过一定的特殊工艺的处理，去除普氮中的氧、水等杂质，得到高纯氮气。
Using compositional soluble polysiloxane 1710a as film coating material, vacuum or high purity nitrogen pyrolysis experiments are made in different temperatures.
用组合成的可溶性聚硅烷1 71 0 A作涂膜材料，进行不同温度的真空热解或高纯氮下热解实验。
Using compositional soluble polysiloxane 1710a as film coating material, vacuum or high purity nitrogen pyrolysis experiments are made in different temperatures.
用组合成的可溶性聚硅烷1 71 0 A作涂膜材料，进行不同温度的真空热解或高纯氮下热解实验。
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