在七天的实验里，每隔一定时间就要更换一次纤维，然后用一种叫做气相色谱质谱联用仪的装置提取以供分析。
The fibres were replaced at regular intervals over the course of seven days and taken away for analysis by a device called a gas chromatograph-mass spectrometer.
一种井下工具，一般与马达或限制容许的流体循环流量的装置联用。
A downhole tool typically used with motors or assemblies that restrict the allowable fluid-circulation rates.
本文使用汞原子蒸气发生装置与原子吸收仪联用，采用冷原子吸收光谱法测定饲料中的痕量汞。
In this paper a device of mercury atomizing steam generator is coupled with atomic absorption spectrophotometer, determination of trace mercury in feed by the cold atomic absorption spectroscopy.
介绍了自制的液相色谱-质谱联用传送带接口喷雾装置，研究了喷雾技术。
A home-made spraying device of moving belt interface for liquid chromatography-mass spectrometry is described and the spraying technique investigated.
采用同时蒸馏萃取装置提取箬竹叶的挥发性成分，然后经气相色谱-质谱联用技术对挥发性成分进行分离鉴定。
The volatile components were extracted from leaves of Indocalamus latifolius by simultaneous distillation and extraction, and analyzed by gas chromatography-mass spectrum (GC-MS).
他们在研究中称这种左心室辅助装置在联用一些适当的药物时可以提高心脏功能并促进其恢复。
The left ventricular assist device, or LVAD, can boost the heart's ability to function, allowing it to recover if used with the right drugs, the researchers said in a study.
他们在研究中称这种左心室辅助装置在联用一些适当的药物时可以提高心脏功能并促进其恢复。
The left ventricular assist device, or LVAD, can boost the heart's ability to function, allowing it to recover if used with the right drugs, the researchers said in a study.
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