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- This paper reviewed the methods of preparing the calibration gases of pentane and isopentane and discussed the GC analysis methods. 本文论述了正戊烷、异戊烷标准气体的制备方法,并就该标准气体的气相色谱分析方法进行了探讨。
- The sulfur dioxide calibration gases in nitrogen from Netherlands National Institute of Metrology was determined by the method,and an ideal degrees of equivalence was obtained. 用该法对荷兰国家计量院制备的氮中二氧化硫标准气体进行比对试验,取得了良好的等效性。
- Introduced greenhouse gas of influencing global climate and imperfect current situation of nitrous oxide calibration gas in our country greenhouse gas researching. 介绍了影响全球气候的温室气体以及尚未完善的我国温室气体中氧化亚氮标准物质的研究现状。
- nitrous oxide (N2O) calibration gases N2O标准气体
- Study of Calibration Gases for Pentane and Isopentane 正戊烷、异戊烷标准气体的研究
- I'll refill my cigarette lighter with gas. 我将给打火机再灌满汽油。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- We are well served with gas in this town. 这个城镇煤气供应得很好。
- Chemists study the nature of gases. 有的化学家研究气体的性质。
- The temperature of volcanic gases is very high. 火山气体的温度很高。
- Study of Diffusion Tube Calibration Gases Preparation and Dynamic Volumetric Method 扩散管标准气体及其动态配气方法的研究
- Study on the Evaluation of Value Reappearance and Performance for Pentane Calibration Gases 戊烷标准气体量值的复现性及性能评价
- Gas analysis; certificate for marking gases and gas mixtures (calibration gas mixtures) in pressure gas cylinders 气体分析。压缩空气罐内气体和混合气体(检验气体)的标志证明
- He cooks his meal with a gas stove. 他用煤气炉做饭。
- Don't forget to drop by at the gas station. 别忘了到煤气站去看看。
- I was given gas when they pulled my tooth out. 给我拔牙时用了一氧化二氮。
- His long speech was nothing but gas and hot air. 他的长篇大论只是吹牛和空话。
- Keywords gravimetric method;sulphur hexafluoride;calibration gases;uncertainty combination; 重量配气法;六氟化硫;标准气体;不确定度合成;
- The gas main explode and set fire to the house. 煤气总管爆炸引起房子失火。
- A whole tankful of gas dropped away because of the tiny leak. 由于这个小小的漏洞，整整一油箱的汽油都漏光了。
