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   mainland environment 的翻译结果: 查询用时:0.185秒
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mainland environment
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  大陆环境
     The Ca 2+, SO 2- 4and Mg 2+ are obviously enriched. The fog-water in Nanling Mountain is mainly influenced by mainland environment and human activities.
     雾水中的Ca2 + ,SO2 -4,Mg2 + 有明显的富集现象 ,南岭大瑶山的雾水主要受大陆环境和人类活动的影响。
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  相似匹配句对
     Mainland
     中国内地
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     Environment
     拯救地球环境
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     The Environment
     环境
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     Taiwan Tourism Personnel's Discussion on the Tǒurism Environment of the Mainland
     谈谈对区域旅游的认识
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     The open policy of the mainland creates a fertile market environment.
     大陆的开放政策,创造了良好的市场环境;
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Fog is an aerosol system composed of plenty suspended tiny water or ice crystal which have severe scatter effect on visible light causing obstacle to visibility. There are radiative fog, advection fog and frontal fog according to the formation reasons of fog. Dayaoshan is a main mountain in Nanling Mountain area where is the important interface of climates in China. The highway from Peking to Zhuhai cross the Dayaoshan, the height above sea level of road surface ascend from 200 m to 800 m,and then descend to...

Fog is an aerosol system composed of plenty suspended tiny water or ice crystal which have severe scatter effect on visible light causing obstacle to visibility. There are radiative fog, advection fog and frontal fog according to the formation reasons of fog. Dayaoshan is a main mountain in Nanling Mountain area where is the important interface of climates in China. The highway from Peking to Zhuhai cross the Dayaoshan, the height above sea level of road surface ascend from 200 m to 800 m,and then descend to 200 m, the topogranphy is very complicated, heavy fog occurs frequently. In Winter and Spring, the visibility less 500 m is over 37% according to hourly statistics, so there are good chances to collect fog water and analyse it's chemical compositions. Based on the fog-water data from December 1998 to January 1999,and February, March 2001,the chemical compositions of fog-water in heavy fog processes have been analyzed, especially for the ion concentration of fog-water and their sources in three typical heavy fog processes. The analyses show the frequency of acid fog reach 50%, and the harms caused by acid fog should not be neglected. All ion concentrations of fog-water in heavy fog processes are far higher than those in rainwater. Therefore, fog not only cause bad visibility, but also harm people's health due to its highly polluted particles. When fog occurs, the high concentration polluted ion compositions will stimulate mucous membrane of respiratory tract, causing respiratory disease. The chemical features are obviously different from different fog processes. The highest negative ion concentration in fog-water is SO 2- 4; following NO- 3, while the Ca 2+ and NH+ 4 are highest positiveion concentrations. Rain-water is more acid than fog-water, showing although ion concentrations of fog-water are far higher than those in rain-water, there are more cushioning substances in the large ion compositions of fog-water like NH+ 4 and Ca 2+. The Ca 2+, SO 2- 4and Mg 2+ are obviously enriched. The fog-water in Nanling Mountain is mainly influenced by mainland environment and human activities.

文中利用 1998年 12月~ 1999年 1月和 2 0 0 1年 2~ 3月在南岭山地采集的雾水样品资料 ,分析了南岭山地浓雾雾水的化学成分 ;对 3次典型浓雾过程雾水的离子浓度及其可能的来源进行了分析 ;发现酸雾的频率达 5 1% ,酸雾的危害不容忽视。南岭山地的浓雾雾水中的诸离子浓度远高于雨水。不同过程雾水的化学特征变化差异明显 ,在雾水中浓度最高的阴离子是SO2 -4,其次是NO-3 ;阳离子Ca2 + ,NH+ 4 的浓度最高。雨水比雾水酸性更强 ,说明虽然雾水中的离子浓度较雨水高得多 ,但大量的离子成分中存在更多的缓冲物质 ,比如说NH+ 4 和Ca2 + 。雾水中的Ca2 + ,SO2 -4,Mg2 + 有明显的富集现象 ,南岭大瑶山的雾水主要受大陆环境和人类活动的影响。

Based on the rain-water data of January 1999,and February & March,2001,the chemical compositions of rain-water in frontal processes have been analyzed to assess the ion concentrations of rain-water and sources in four typical frontal rainfall processes.The analyses show that the frequency of acid rain reachs 88%,and the harms caused by acid rain should be paid attention.All ion concentrations of fog-water in heavy fog processes are much higher than those in rain-water.Therefore,fogs not only cause bad visibility,but...

Based on the rain-water data of January 1999,and February & March,2001,the chemical compositions of rain-water in frontal processes have been analyzed to assess the ion concentrations of rain-water and sources in four typical frontal rainfall processes.The analyses show that the frequency of acid rain reachs 88%,and the harms caused by acid rain should be paid attention.All ion concentrations of fog-water in heavy fog processes are much higher than those in rain-water.Therefore,fogs not only cause bad visibility,but also do harm to people's health due to its highly polluted particles.When fogs occur,the high concentration polluted ion compositions will stimulate mucous membrane of respiratory tract,causing respiratory disease.The chemical features are obviously different between various rainfall processes.The highest negative ion concentration in rain-water is SO~(2-)-4,followed by Cl~-,while the Ca~(2+) and NH~+-4 are the highest positive ion concentrations.Rain-water is more acid than fog-water,suggestting that there are more cushioning substances in the large ion compositions like NH~+-4 and Ca~(2+) although ion concentrations of fog-water are much higher than those in rain-water of fog-water.The NH~+-4,Ca~(2+),and K~+ are obviously enriched.The rain-water in the Nanling mountains is mainly influenced by mainland environment and human activities.

使用1999年1月和2001年2-3月在南岭山地采集的雨水样品资料,分析了南岭山地雨水的化学组分;对4次典型锋面过程伴随降水的雨水离子浓度及其可能的来源进行了分析;发现酸雨的频率达88%,酸雨的危害十分严重。南岭山地的浓雾伴随的降水,其雨水中的诸离子浓度远低于雾水中的值,因而,雾不但造成视程障碍,而且是高浓度污染的微粒,对人体健康十分有害。不同过程雨水的化学特征变化差异明显,在雨水中浓度最高的阴离子是SO42-,其次是Cl-;在阳离子中Ca2+、NH4+的浓度最高。雨水比雾水更酸,说明虽然雾水中的离子浓度较雨水高得多,但大量的离子成分中存在更多的缓冲物质,比如说NH4+和Ca2+。不同降水过程间雨水离子浓度的富集存在差异,总体而言南岭山地锋面降水的雨水化学成分主要受大陆环境和人类活动的影响。

 
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