respiratory environment

Congregation of cattle in stock yard or of horses in racetracks may provide the necessary environment for respiratory viruses.

将牛畜集中在牲畜围栏内或马匹集中在赛马场内会给呼吸道病毒传染提供必要的环境。

The experiment indicated that, in the blast environment, the leaf layer relative humidity was reduced greatly, and that the air quality, the stoma conduct of leaf, dehydration rate, respiratory rate, products of soaking row tea, free amino acids increased.

结果表明，恒温恒风调控方式能有效降低叶层空气的相对湿度，改善空气质量，增大青叶的气孔导度、失水速率及呼吸速率，提高毛茶的水浸出物和游离氨基酸含量，毛茶品质较优。

Most problems have been respiratory, which is attributed to the high altitudes and the dusty environment.

其中大部分是由于当地的高海拔和尘土环境导致的呼吸系统疾病.

Although traveling dust storms are nothing new, the dust now often contains chemical or metallic substances that contribute to respiratory illnesses and damage the environment.

虽然移动的沙尘暴没什么稀奇，但现在那些沙尘通常含有引起呼吸道疾病和破坏环境的化学或金属物质。

Song Guangsheng, who is also director of the National Indoor Environment Test Center, says exposure to such substances can cause health problems, like respiratory diseases, mental impairment and cancer.

同时兼任国家室内环境检测中心主任的他说，接触这些物质可能会导致健康问题，如呼吸系统疾病，精神障碍和癌症。