您要查找的是不是：
- Analysis of Harmful Gas Concentration Variation in Tunneling Ventilation 隧道施工通风中的有害气体浓度变化分析
- Distribution of Harmful Gas Concentration in Highway Tunnel with Natural Ventilation 自然通风公路隧道有害气体浓度分布
- How to reduce the harmful gas concentrations in chicken coop in Winter 冬季如何降低鸡舍内的有害气体浓度
- harmful gas concentration 有害气体浓度
- Put greenery to absorb harmful gas. 摆放绿色植物吸收有害气体。
- There should be a way to prevent harmful gas from spreading. 我们应该想办法防止有害气体蔓延。
- We should find some ways to preventthe harmful gas from spreading. 我们应找到法子阻止有害气体的蔓延。
- Harmful gases concentration 有害气体浓度
- Harmful gases must be drawn out by centrifugal ventilator. 有害气体必须通过离心式通风装置排出。
- Dampproof , dustproof and defending greasy dirt and harmful gas , sealing strong , acidproof alkali antidetonation. 防潮、防尘、防油污及有害气体，密封性强、耐酸碱抗震。
- Through the gas absorption on the metal oxide surface, gas concentration change is measured. 通过气体吸附在金属氧化物半导体的表面,测定半导体电传导度的变化反映气体浓度。
- The factory discharges harmful gases into the atmosphere. 那家工厂将有害气体排放到大气中。
- The elevated Gas concentration in patients with EGP could be correlated with Hp infection. 结论 Hp是EGP的重要致病因素之一 ,EGP患者Gas浓度升高与Hp感染有一定关系。
- Dampproof, dustproof and defending greasy dirt and harmful gas, sealing strong, acidproof alkali antidetonation. 防潮、防尘、防油污及有害气体,密封性强、耐酸碱抗震。
- The instrument can confect continuously the multiple gas concentration and can be adjusted continuously. 该系统可连续配制、并供给浓度值连续可调的多元混合标准气体。
- Low-nitrogen combustion technology, smokeless and odorless, without harmful gas. 无二次污染低氮燃烧技术，无烟，无臭，无有害气体。
- In the certain diffusion time the relation of gas concentration and diffusion depth is parabolic. 得出在一定的扩散时间内，气体浓度与扩散深度之间为抛物线关系；
- Regulate temperature, humidity and remove harmful gas phase contaminants in environmentally sensitive areas. 调节温度、湿度，清除环境敏感区域中的有害气态污染物。
- The gas concentration was finally inversed by further processing the DOAS of the gas. 进一步处理得到气体的差分吸收光谱，从而反演出气体浓度；
- Regulating humidity, purifying air , dispelling harmful gas, such as benzene、formaldehyde、TVOC . 可吸除空气中的异味及有害气味，净化空气，调节室内湿度。
