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- Compared with 1983, anthropogenic sources obviously increased and natural sources decreased in winter. 与1983年相比,北京市冬季人为污染明显增加,自然沙尘污染有减少的趋势。
- Anthropogenic sources are also diverse, and unfortunately also typically very concentrated, and include a variety of combustion and industrial activities. 人为源的大气污染也是形形色色的,而不幸的是,它们往往非常集中,包括各种燃烧和工业活动。
- The ferrimagentic mineral is mainly detrital in origin, but in the magnetic enhanced sediments at site Shidongkou occur some spherical magnetic particles derived from anthropogenic sources. 除了碎屑成因磁铁矿外,在磁性最强的石洞口沉积物中还出现了球状磁性颗粒,与化石燃料(如煤)高温燃烧过程中生成的球状磁铁矿相似,主要系人类活动的产物。
- Concentration ratios of formaldehyde/acetaldehyde and acetaldehyde/propionaldehyde showed that anthropogenic sources were the main sources of carbonyl compounds in the atmosphere of Guangzhou. 甲醛/乙醛、乙醛/丙醛质量浓度比值显示广州大气中羰基化合物主要与人为来源有关。
- Keywords air quality model;anthropogenic sources;ozone;contribution ratio; 空气质量模式;人为源;臭氧;贡献率;
- Keywords mercury emission;emission factors;anthropogenic sources;indigenous method of mercury smelting;Wuchuan mercury mining areas; 汞释放量;汞释放因子;人为源;土法炼汞;务川汞矿区;
- He cited many sources for his book. 他在书中引用了许多资料。
- The library has quantities of reference sources. 该图书馆藏有大量可供参考的原始资料。
- The facts were culled from various sources. 这些事实是从各方收集到的。
- Some of his ideas were borrowed from other sources. 他的某些见解是从别处借用来的。
- I hope man will soon succeed in tapping these new energy sources. 我希望人类在开发这些新能源方面很快获得成功。
- anthropogenic sources 人为源
- He scratched up a football team from various sources. 他从各方面找人拼凑成一支足球队。
- The act of obtaining usable substances from unusable sources. 废物利用从无用的东西中获取有用物质的行为
- They are required to publish the sources of their campaign funds. 他们必须公布自己竞选经费的来源。
- Examines natural and anthropogenic contributions to the atmosphere. 调查大气的情况。
- We will appeal to a great variety of sources of information. 我们将求助于各种信息来源。
- We should not presume too much on the reliability of such sources. 我们不该过分指望这种消息来源的可靠性。
- Fourth, developers and consumers expected anthropogenic effects. 四是开发商与消费者预期的人为影响。