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- In large towns the carbon dioxide content may be slightly higher than in country districts . 在大城镇里，二氧化碳的含量会略高于乡下。
- In large towns the carbon dioxide content may be slightly higher than in country districts. 在大城镇里，二氧化碳的含量会略高于乡下。
- It was Charles Keeling who measured the carbon dioxide content in the atmosphere between 1957 and 1997. 是查尔斯.;奎林把1957-1997年期间大气层中二氧化碳的含量作了精确的统计
- Epinephrine increases respiratory rate and tidal volume, and thereby reduces alveolar carbon dioxide content in normal subjects. 肾上腺素增加呼吸频率和潮气量，故可降低正常人的肺泡?趾0量。
- Haemodynamic findings were similar in both groups, but the end-tidal carbon dioxide content was more elevated in the propofol group (P<0.01). 两组的血流动力学结果相似，而异丙酚组的呼末二氧化碳量升高更明显。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- Methods for chemical analysis of limestone and dolomite The determination of carbon dioxide content GB/T3286.;9-1998石灰石、白云石化学分析方法二氧化碳量的测定
- Methods for chemical analysis of bauxite ores--The non-aqueous photometric-titration method for determination of carbon dioxide content GB/T3257.;19-1982铝土矿化学分析方法非水光度滴定法测定二氧化碳量
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧组成的。
- Respiratory Protective Devices - Methods of Test - Part 6: Determination of Carbon Dioxide Content of the Inhalation Air 呼吸保护装置试验方法第6部分:吸入空气中二氧化碳含量的测定
- Epinephrine increases respiratory rate and tidal volume, and thereby reduces alveolar carbon dioxide content in normal subjects 肾上腺素增加呼吸频率和潮气量，故可降低正常人的肺泡?趾
- The carbon dioxide is expelled by the lungs. 二氧化碳由肺排出。
- What we exhale is carbon dioxide. 我们呼出的是二氧化碳。
- Carbon dioxide may not be a typical air pollutant. 二氧化碳可能不是一种典型的污染物。
- Carbon dioxide is converted into oxygen through the agency of plants. 二氧化碳由於植物的作用转化为氧气。
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧组成的。
- The molecular symbol for carbon dioxide is CO2. 二氧化碳的分子式是co2。
- A method for direct determination of cerium dioxide content is studied. 介绍了一种直接测定氧化铈含量的新方法。
- A soft drink contains dissolved carbon dioxide. 汽水含有已溶解的二氧化碳。
