指出负离子解吸化学电离质谱对鉴别低碳醣的分子离子可以提供十分有用的信息。
It pointed out that the negative ion DCIMS can provide very useful information for characterizing molecular ion of monosaccharides.
本文就是为空间电离层环境模拟器研制的扩散型极低气压、低电子温度和极低密度的紧凑型电子回旋共振等离子体源的研制。
A compact ECR plasma source, the strengths of which are its ultra low electron temperature, its low pressure and its ultra low density, was developed and built for such a simulator.
水中放电等离子体(PPDW)具有高压、高密度和低温、低电离度的特点，人们对其辐射是否具有黑体辐射的特点一直观点不一。
Plasma in a pulsed discharge in water (PPDW) has the character of high pressure, high density and low temperature, low ionized degree.
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