Birds in outside cages develop immunity to airborne bacteria.
养在户外笼子里的鸟对空气传播的病毒有免疫力。
Although the researchers are not sure how bacteria detect airborne ammonia, they have some hypotheses about why bacteria produce slime in response to volatile ammonia.
尽管研究人员并不确定细菌是如何识别出到空气中的氨，但他们已经有了某些假设关于细菌为何能产生粘液以回应挥发性的氨。
Noting this, the experimenters deduced that ammonia was the airborne molecule to which the bacteria were responding.
正是注意到这点，研究人员推测细菌可能是对氨这种气体分子产生了回应。
He proposes that for bacteria living in a dry environment, where molecules could not easily diffuse between colonies, airborne ammonia could serve as an important indicator of nitrogen sources.
他认为，对于身处干燥环境中的细菌来说，分子不易在菌落之间进行扩散，而空气中的氨就可以作为一重要的营养源的指示信息。
Stone wool offers no nutritional value, making it naturally resistant to harmful bacteria and molds that cause skin infections, pneumonia and other airborne illnesses.
石羊毛的无营养价值，使它具有抵抗有害细菌和霉菌导致皮肤感染、肺炎和其他空气疾病的功能。
Conclusion: the people's moving was the main influence on the concentration of airborne bacteria in this building.
结论：楼内空气细菌浓度的变化受人员流动影响较大。
The correlation coefficient of airborne bacteria density and fungal particles were 0.314 by whole year, 0.489 by various seasons, 0.412 by various locations, and all formed positive correlation.
大气细菌粒子密度与大气真菌粒子密度的相互关系，全年内0.314，不同季节为0.489，不同地点为0.412，均呈正相关关系。
We have recently developed a new personal sampler and demonstrated its feasibility for detection of viable airborne microorganisms including bacteria, fungi and viruses.
本团队近期已开发出一套新式个人采样器可有效侦测空气中活性微生物包含细菌、真菌及病毒。
Results show that the distribution characteristics which are not changed with the different functional regions and periods are very different among airborne bacteria, fungi and actinomycete.
结果表明：空气细菌、空气真菌和空气放线菌的粒度分布特征各不相同，并且不随着时间和空间的变化而变化。
The median diameters of airborne bacteria were larger than airborne fungi and actinomycetes.
空气细菌的中值直径明显大于空气真菌和放线菌。
Studies of two species of soil bacteria showed that both colonies could detect the scent of airborne ammonia.
针对两种土壤细菌进行的研究表明，这两种菌群都能够发觉空气中氨的味道。
Objective to monitor airborne bacteria and related factors in maternal infantile ward.
目的母婴室空气微生物污染监测及影响因素分析。
Objective to monitor airborne bacteria and related factors in maternal infantile ward.
目的母婴室空气微生物污染监测及影响因素分析。
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