oxidimeter

free falling polarographic oxygen sensor

自由落体式极谱法氧气测定器

apparatus for rapid determination of nitrogenoxide

氧化亚氮快速测定器

combustible gas and oxygen monitor

可燃气体及氧气含量探测器

GC Detection of ethylene oxide in infusion sets for single use

气相色谱法测定一次性使用输液器中环氧乙烷残留量

Determination of Ethylene Oxide's Content Remained in Medical Instruments by GC

顶空气相色谱法测定医疗器械中环氧乙烷的残留量

visibility meter (mete or meteorological instruments)

能见度测定仪（气象仪器）

microblood gas analysis apparatus

微量血液气体测定器

detector ,firedamp (i.e., methane)

沼气（即甲烷）测定器

combustion fuel gas apparatus

燃烧燃料排气测定器

Improvement on the Experiment of " Determining Oxygen Content in the Air";

“空气中氧气含量的测定”实验的改进

Buoy Tyge Oxygen Inhaler Indication Uncertainty

浮标式氧气吸入器示值不确定度评定

Oxygen content detecting system based on zirconia oxygen sensor

基于氧化锆传感器的烟气氧量检测系统

Application of partial pressure type oxygen sensor in oxygen volume fraction measurement

分压型氧传感器在氧气体积分数测量中的应用

Fluorescence quenching method for the determination of nitrogen dioxide and nitrogen monoxide in air

荧光猝灭法测定空气中二氧化氮和一氧化氮

Air quality--Determination of nitrogen oxides

GB/T13906-1992空气质量氮氧化物的测定

air quality-determination of ozone in ambient air-ultraviolet photometric method

环境空气 臭氧的测定 紫外光度法

methods for determination of carbon dioxide in air

大气中二氧化碳含量测定法

Determination of trace oxygen in the gases--Colorimetric method

GB/T5831-1986气体中微量氧的测定比色法