查询词典 air pollution

To solve the problem of heat saving and gas pollution in industry kiln, an environmental protection device has been designed, which reheats the air using special equipments and uses the bag filter to clear up the gas.

解决工业炉窑上烟气的余热利用和排烟污染问题，设计了一套具有节能、污染排放功能的环保设备，采用蓄热装置预热空气，布袋除尘消除黑烟排放。

In conducting coastal open air placer mining or shore-based well drilling to exploit seabed mineral resources, effective measures must be taken to prevent pollution to the marine environment.

露天开采海滨砂矿和从岸上打井开采海底矿产资源，必须采取有效措施，防止污染海洋环境。

The relationship between the content of heavy metals in leaves of plants and air environment pollution was discussed.

大气重金属污染仍是困扰世界城市环境与发展的严重环境污染之一[1 ] ，且重金属具有生物摄取的富集积累性，具有潜在的危险性。

Researchers also believe that state and local air-quality regulations will have to be adjusted to take into consideration how traffic patterns affect pollution.

研究者们也相信应该修正国家及地方的空气质量法规时需考虑到交通模式对环境污染的影响。

Researchers also believe that states and local air-quality regulations will have to be adjusted to take into consideration how traffic patterns affect pollution.

研究者同样相信州际和本地的空气质量条例应该调整，考虑到交通模式对环境污染的影响。

Researchers also believe that state and local air-quality regulations will have to be adjusted to take into consideration how traffic patterns affect pollution.

研究员们还认为，国家和地区的空气质量规章需要调整以把交通方面造成污染的考虑进去。

Researchers also believe that state and local air-quality regulations will have to be adjusted to take into consideration how traffic patterns affect pollution.

研究者也相信国家和地方的空气质量规章应该进行调整以侧重交通造成的污染。

Researchers also believe that state and local air-quality regulations will have to be adjusted to take into consideration how traffic patterns affect pollution.

研究人员还认为国家和地方空气品质制度应有所调整，需要考虑交通模式对污染的影响。

Researchers also believe that state and local air-quality regulations will have to be adjusted to take into consideration how traffic patterns affect pollution.

研究者也认为应该对州立法和地方法规进行修订，要把交通图对污染的影响考虑进去。

Researchers also believe that state and local air-quality regulations will have to be adjusted to take into consideration how traffic patterns affect pollution.

调查者相信也必须考虑到交通节奏对污染的影响来调节本州和当地的空气质量法规。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。