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- preparation calibration gas 气体标准物质
- 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。
- 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。
- Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 1: Methods of calibration 气体分析。动态容量法制备标定用混合气体。第1部分:校正方法
- Development of New Type Calibrating Gas Preparation Equipment 新型标准气体配气装置研制
- Experience is their preparation for giving advice. 经验为她们进行咨询作了准备。
- nitrous oxide (N2O) calibration gases N2O标准气体
- The advertising campaign is still in preparation. 广告宣传攻势仍在准备中。
- You can't pass an exam without preparation. 不准备就考不及格。
- A drug or preparation containing arsenic. 砷化合物含砷的药剂或制剂
- The dictionary is now in rapid preparation. 这本词典现在正在迅速编写之中。
- Keywords nitrogen;multi-component calibration gas;gravimetric method;purity;uncertainty; 氮;多元标准混合气体;重量法;纯度;不确定度;
- The preparation for his cough included camphor. 为医治他的咳嗽而调制的药中包括樟脑。
- Keywords gas chromatography;greenhouse gas;carbon tetrafluoride calibration gas; 气相色谱法;温室气体;四氟化碳标准气体;
- Glycerol or a preparation of glycerol. 甘油,丙三醇甘油或丙三醇配制品
- Study of Calibration Gases for Pentane and Isopentane 正戊烷、异戊烷标准气体的研究
- Made up without preparation; improvised. 即兴的不经准备而作的; 即兴的
- Care or preparation in advance; foresight. 先见,提前考虑或准备; 远见
- Greenhouse Gas of Influencing Global Climate and Greenhouse Gas of Our Country and Research Current Situation of The Nitrous Oxide Calibration Gas 影响全球气候的温室物质以及我国温室气体及氧化亚氮标准气体的研究现状