emission的例句（emission在句子中的用法）

• the emission of carbon dioxide into the atmosphere 向大气排放二氧化碳
• The physical properties were tested by laser diffractometry , light transmission, field emission scanning microscopy and Brunauer - Emmett - Teller ( BET ). 同时用激光衍射法 、 光透法 、 场发射扫描 电镜 和BET法测试了粉末的性能.
• On Board Diagnostics is described in Group 25, Emission Control Systems. 随车诊断在单元25, 排放控制系统中描述.
• Therefore by regulating swirl number of combustor NO emission caw be reduced. 因此,适当调整燃烧室的旋流数可以降低NO排放.
• Distortion - product Otoacoustic Emission ( DPOAE ); Impedance Audiometry ; risk newborn; Hearing screening. 畸变产物耳声发射; 声阻抗; 高危新生儿; 听力筛查.
• Much astrophysical information is to be obtained from the intensity of absorption or emission lines. 许多天体物理信息要根据吸收线或发射线的强度才能取得.
• The emission of gases such as carbon dioxide should be stabilised at their present level... 二氧化碳等气体的排放应该稳定在当前水平。