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1)  vacancy chromatography
空穴色谱法
2)  vacancy chromatography
空穴色谱
3)  spectrum hole
频谱空穴
1.
Cognitive radio(CR) has been proposed to use opportunistic spectrum access so as to use spectrum holes efficiently.
固定频谱分配政策导致频谱使用率低,为克服这一缺点,人们提出使用认知无线电技术实现伺机频谱接入,从而有效利用频谱空穴。
4)  static headspace method
顶空色谱法
1.
A new method for derivative determination of intermolecular force in the chloroform aqueous solution was ad- vanced in this paper.By applying chemical equilibrium to phase equilibrium,Henryˊs constants at 6 temperatures Were determined by the static headspace method and the intermolecular force was computed with a relative error of 2.
通过把化学平衡的原理应用到相平衡中来进行讨论,用顶空色谱法测出6个温度点的亨利常数来进行计算,试验平均相对误差2。
5)  chromatographic headspace method
色谱顶空法
1.
Determination of activity coefficients using gas chromatographic headspace method and prediction of liquid-liquid equilibrium for the ternary polar systems;
色谱顶空法测活度系数及对三元极性体系液液平衡预测
6)  headspace gas chromatography
顶空气相色谱法
1.
Determination the ethanal content in bottle grade PET chip by headspace gas chromatography;
用顶空气相色谱法测试瓶级聚酯切片中的乙醛含量
2.
Acetylene and vinyl chloride determination by headspace gas chromatography;
顶空气相色谱法测定乙炔和氯乙烯
3.
Determination of Styrene in Polystyrene Tableware by Headspace Gas Chromatography;
聚苯乙烯餐具中残留苯乙烯单体的顶空气相色谱法测定
补充资料:空穴色谱法
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性质:以被分析样品或用载气稀释的样品作流动相。另外,把一定量的纯载气也像通过色谱过程中的样品那样注入色谱系统,在柱出口也得到一个个分离后的组分峰,此法称为空穴色谱法。在工业流程的控制中,直接以流程气体作流动相,利用本法可测定流程气体的组分分布。

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