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- The Selected Ion Flow Tube Mass Spectrometry and Its Applications to Trace Gas Analysis 选择离子流动管质谱及其在痕量气体分析中的应用
- trace gas analysis 微量气体分析
- A new method applied to quantitative analysis of trace gas by three-step isotope dilution mass spectrometry (IDMS) based on technology of sizes-balls is presented. 提出了一种适用于微量气体定量分析的大小球三步同位素稀释质谱法,并给出其实验模型和不确定度理论分析结果。
- Blood gas analysis,lung func tion were not different between groups(P>0.05). 而血气分析、血压及肺功能无变化(P<0.;05)。
- Carbon dioxide is inexplicably a mere trace gas when it should be the bulk of the air, as it is on other planets. 令人费解的是,二氧化碳理应像在其他行星那样成为大气的主要成分,却仅仅是一种示踪气体。
- Moreover, aerosol can cause serious atmospheric pollution by way of absorbing or dissolving trace gas of atmosphere. 另外,气溶胶中的固态粒子能够吸附大气中的微量气体,液态粒子能溶解微量气体,它们在化学反应后生成新的物质微粒,会造成严重的大气污染事件。
- I've devoted my sabbatical to greenhouse trace gases. 我为了这温室示踪气体 已经牺牲了我的休息日。
- N2O, as a trace gas in the atmosphere, could cause greenhouse effect and damage the ozone lay in stratosphere. 氧化亚氮(N_2O)是大气中一种痕量气体,它具有产生温室效应和破坏平流层臭氧的双重作用。
- The refinery gas analysis, yield, variability, and best utilization vary greatly with every specific refinery. 炼厂气的分析、产量、变异性及如何得到最好地利用,在每一个炼油厂大不相同。
- This instrument is guaranteed to use in special gas analysis based on requirements of users. 该系统只适用于用户特定的应用。
- Additionally gas analysis by PMS is used to characterise the combustion properties of fuel gas used in the iron and steel industry. 另外过程质谱对气体的分析也可表征用于钢铁工业中的燃料的燃烧特性。
- The traceability for natural gas analysis and measurement, in essence, is that of reference gas mixture(RGM). 天然气分析测试的溯源性在本质上就是标准气混合物(RGM)的溯源性。
- Every patients was observed for his heart and pulmonary function recovery,blood gas analysis and pulmonic pressure. 观察心肺功能恢复情况,检查血气分析和肺动脉压力。
- It is informative to contrast this with the observed values of various trace gases in the atmosphere. 这一值与观测到的大气中各种微量气体值作一比较是有益的。
- Application of GC in gas analysis was introduced, and new technique of GC was previewed. 介绍气相色谱技术在气体分析中的应用,对气相色谱新技术进行了展望。
- These trace gases are not detectable by smell in any but the most heavily polluted atmosphere. 这些微量气体除了在污染最严重的大气外,是不能凭嗅觉察觉到的。
- Abstract: The concept of internal residual gas analysis of hermetic device was briefly introduced. 摘要: 简要介绍了密封元器件内部残余气氛分析的概念,以及生产厂家和使用方了解产品内部残余气氛分析的意义和作用。
- Study on the Brewer-Dobson circulation and its transports for trace gases in stratosphere.Ph. Brewer-Dobson环流及其对平流层微量气体输送的研究.;中国科学技术大学博士学位论文
- This paper briefly introduces the principals of ABL Blood Gas Analysis System,and discusses its daily maintenance. 本文简要介绍了ABL系列血气分析仪的工作原理和仪器维护保养的方法。
- Phosphine (PH3) is a kind of extremely toxic, highly active, reductive gas, produced by the reduction of P biogeochemistry cycle, and has been proved to be trace gas existing stably in the atmosphere. 摘要磷化氢(PH3)是一种剧毒、十分活泼的还原性气体,是磷生物地球化学循环的还原产物,已被证实是大气中稳定存在的痕量气体。