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1)  Residual gas mass spectrum
残气谱
2)  residual gas spectrum
残余气体谱
3)  mass spectrum analyses of remained gas
残气质谱分析
1.
In the meantime, we successively adopted some technology means such as mass spectrum analyses of remained gases, fast examination without decrease of chronic gas leak and helium mass spectrum leak hunting to look for lapse causes.
其间 ,我们先后采用了残气质谱分析、慢性漏气的快速无损检测以及氦质谱检漏等技术手段来寻找失效原因。
4)  residual gas
残气
1.
The tungsten tip was treated by heating before and after single walled carbon nanotubes (SWCNTs) were assembled on it,and the mass spectra of the residual gas were recorded and analyzed.
分别对 W针尖上未组装和组装单壁纳米管进行热处理 ,然后对所得残气质谱图进行记录和分析。
5)  spectrum residual
频谱残差
6)  spectral residual
谱残差
1.
Comparing voltage signal of actual and ideal inverter without faults,an equation for estimating spectral residual is derived.
通过理想无故障逆变器与实际逆变器输出电压信号的比较,得到了谱残差估计方程,利用复参数最小二乘估计方法获得了逆变器电压信号的实时谱残差估计,提出了简单的故障决策机制,实现了逆变器实时故障检测。
补充资料:裂解气相色谱-质谱法
分子式:
CAS号:

性质:在普通的气相色谱质谱联用仪(GC/MS)的进样系统中加一个热裂解器,在热裂解器中,高聚物大分子被加热裂解成小分子气体,载气辛巴这些小分子带入色谱仪进行分离,再引入质谱仪进行电离和分析,质谱仪给出这些小分子的质谱图,化学家可以根据质谱结果,推测出原来高聚物的种类和可能结构。

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