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- Methods Volatile halogenated hydrocarbons in tap water were determined by head space gas chromatography and other organic pollutants were determined by gas chromatography/mass spectrometry (GC/MS). 方法用顶空气相色谱法测定自来水中挥发性卤代烃，用气相色谱／质谱联用(GC/MS)法测定其他有机污染物。
- Determination of Acetonin Cacao Pigment by Head Space Gas Chromategraphy 顶空气相色谱法测定可可色素中的丙酮残留
- Determination of Mononuclear Aromatics from Coking Industrial Waste Water by Head Space Gas Chromatography 顶空气相色谱法测定焦化废水中的苯系物
- Determination of Total CN- in Pesticides Industrial Waste Water by Head Space Gas Chromatography 顶空气相色谱法测定农药废水中的总氰化物
- Determination of 4 - methyl - 2 - pentanone in Water and Wastewater by Head Space Gas Chromatography 顶空气相色谱法测定水和废水中的4-甲基-2-戊酮
- Determination of trace methanol in water by using dynamic head space gas chromatography 动态顶空气相色谱法测定水中的痕量甲醇
- Multi Vision TM Confined Space Gas D. 密闭空间气体检测仪。
- head space gas chromatography 液上气相色谱法
- Depending on the preexisting pressure and free head space in the receiving tank, the additional gas volume may be sufficient to overpressure the tank. 根据先前的压力和接收罐的顶部空间，增加的气体体积足以超出储罐。
- A method for the determination of 1, 4-dioxane content in alcohol ether sulphates utilizing headspace gas chromatography is discribed.The factor of head space discussed. 本文采用顶空气相色谱法，测定了脂肪醇聚氧乙烯醚硫酸盐中的1，4-二烷含量，研究了顶空条件。
- head space gases 液上气体
- Residual methanol in oxytetracycline hydrochloride was determined by head space GC. 采用顶空气相色谱法测定盐酸土霉素中的残留甲醇,平均回收率为99。
- Residual methanol in oxytetracycline hydrochloride was determined by head space GC. The average recovery was 99.8%. 采用顶空气相色谱法测定盐酸土霉素中的残留甲醇,平均回收率为99。8%25。
- The controlling case is a transfer that fills the receiving tank so that little head space remains to absorb the pressure surge. 控制实例是通过一个中间罐，用来满足储罐内狭小的顶部空间来吸收激增的压力。
- The controlling case is a transfer that fills the receiving tank so that little head space remains to absorb the pressure surge . （改译）控制方案是：在接受罐内安装一个转换器，以便留有少量顶部空间来吸收压力波动？
- It has a better application prospects to solving the problems of cement slurry up flow and annular space gas channeling generally existing in well cementing operation in Chinal S oilgas fields. 文章在调研国外大量资料的前提下，对触变水泥的设计原理、化学配方、评价方法及现场应用情况做了系统的评述。
- She nestled her head on his shoulder. 她将头依偎在他的肩上。
- Prediction shows that large well spacing gas injection can retard gas channeling, resulting in increasing gas injection efficiency and recovery degree of condensate oil. 预测结果表明，采用大井距注气开发方式对于延缓气窜可以起到一定作用，从而有利于提高注气效率，增加凝析油采出程度。
- gas chromatographic head space analysis 液面上气相色谱分析
- This ensures that the residual air is expelled from the bottle's head space, thus creating additional protection against oxidation of the sensitive unsaturated fatty acids and vitamins. 灌装机里装有在关闭灌装阀之前喷射氮气的装置,以排出瓶头空间内的剩余气体,保护不饱和脂肪酸和维生素不受氧化。
