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- This paper presented a new non-contact method to meter CO concentration and smoke optical density simultaneously and online based on photoacoustic technology. 本文提出一种利用光声技术同时在线测量CO浓度和烟雾消光的非接触式方法。
- NOX and CO concentrations are higher in winter and lower in summer,while O3 concentration is contrary because of photochemical reaction and atmosphere movement. 受光化学反应及大气运动等影响,NOX与CO浓度为冬季高、夏季低,O3与之相反;
- curve of off-gas CO concentration 炉气CO浓度曲线
- Differences in casefatality between high and low pollution areas could be due to many factors other than Co concentrations. 轻、重污染区致死病的方面的差别可能是一氧化碳浓度以外的许多因素所造成的。
- Differences in case fatality between high and low pollution areas could be due to many factors other than Co concentrations. 轻、重污染区致死病的方面的差别可能是一氧化碳浓度以外的许多因素所造成的。
- Research on the distribution theory of CO concentration in automobile tail gas 汽车尾气CO浓度分布理论研究意义及应用前景展望
- His area of concentration is nuclear physics. 他的专门研究范围是原子物理学。
- Chiyoda Mutual Life Insurance Co. 千代田寿险公司(日本)
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- There is a concentration of people in big cities. 大城市人口集中。
- He seized every chance to break out of the Nazi concentration camp. 他抓住一切机会从纳粹集中营跑出来。
- Long-term half-hourly measurement of soil CO concentration and soil respiration in a temperate deciduous forest 温和的季节性森林落叶内对土壤CO浓度和土壤呼吸的长期的影响的半小时测量
- A state of mental concentration. 专心致志，全神贯注全神贯注的状态
- Exceptionally great concentration, power, or force. 特别强烈的程度，力量或动力
- The POWs burst out from(of) that Nazi concentration camp one night. 一天夜里战俘们冲出了那个纳粹集中营。
- CO is not readily perceived by the human senses. 一氧化碳不易被人的感觉器官所觉察。
- I was asked to get a price reduction from your co. 我奉令来向贵公司取得降价协议。
- Value analysis was born at the General Electric Co. 通用电器公司提出了价值分析的方法。
- Stress and tiredness often result in a lack of concentration. 紧张和疲劳常使人精神不集中。
- Their co - op was formed in1954. 他们合作社是在1954年成立的。
