近日，世界氣象組織（WMO）發(fā)布的最新一期《溫室氣體公報》（以下簡稱《公報》）指出，2021年，大氣中二氧化碳、一氧化二氮和甲烷濃度均創(chuàng)新高，并在2022年繼續(xù)上升，其中甲烷濃度增幅最大。WMO自2006年起每年發(fā)布一份《公報》。
WMO的研究人員在全球100多個監(jiān)測點測量了大氣中主要溫室氣體的濃度。他們發(fā)現(xiàn)，自1750年以來，二氧化碳對全球變暖的貢獻率約為66%，其濃度在2021年平均增加了2.5ppm，達415.5ppm。一氧化二氮對全球變暖的貢獻率約為7%，增加了1.3ppb，達334.5ppb。這些增幅都略高于前10年的年均增幅。
浩瀚色譜（山東）應用技術開發(fā)有限公司，研制生產(chǎn)的閥切換系統(tǒng)氣相色譜法一次進樣，分離甲烷，二氧化碳，氧化亞氮3種溫室氣體的含量，分離良好，分析時間短，可根據(jù)客戶的要求選擇EPC氣路或者全自動進樣系統(tǒng)。
Recently, the latest issue of the Greenhouse Gas Bulletin (hereinafter referred to as the Bulletin) issued by the World Meteorological Organization (WMO) pointed out that in 2021, the concentration of carbon dioxide, Nitrous oxide and methane in the atmosphere reached a new high, and continued to rise in 2022, with the largest increase in methane concentration. Since 2006, WMO has issued an annual "Gazette".
WMO researchers have measured the concentrations of major greenhouse gases in the atmosphere at over 100 monitoring points worldwide. They found that since 1750, the contribution rate of carbon dioxide to global warming has been about 66%, and its concentration has increased by an average of 2.5 ppm in 2021, reaching 415.5 ppm. The contribution rate of Nitrous oxide to global warming is about 7%, increasing by 1.3 ppb to 334.5 ppb. These increases are slightly higher than the average annual growth rate of the previous 10 years.
Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. has developed and produced a valve switching system for gas chromatography, which can separate the content of three greenhouse gases: methane, carbon dioxide, and nitrous oxide in one injection. The separation is good, and the analysis time is short. EPC gas path or fully automatic injection system can be selected according to customer requirements.
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