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diesel oil pollution
相关语句
  柴油污染
     Impact of Soil Diesel Oil Pollution on Seed Germination of Alfalfa
     土壤柴油污染对紫花苜蓿种子发芽率的影响
短句来源
     The yield of t he rice irrigated with water polluted by diesel oil at two different growth stag es is lower than that of no diesel oil pollution.
     水稻两个不同的生育期受柴油污染后的产量均比未受污染的对照产量低。
短句来源
  相似匹配句对
     Oil Pollution
     石油污染
短句来源
     Bio-Diesel Oil
     生物柴油清洁的能源选择
短句来源
     Oil Pollution (Continuation)
     石油污染(续)
短句来源
     Pollution control of diesel locomotive lubricating oil system
     内燃机车机油润滑系统的污染控制
短句来源
     Impact of Soil Diesel Oil Pollution on Seed Germination of Alfalfa
     土壤柴油污染对紫花苜蓿种子发芽率的影响
短句来源
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An experiment about the effect of diesel oil pollution on the model benthic ecosystem was conducted inthe land-based tank at the 3rd Institute of Oceanography, State Oceanic Administration, in Xiamen, added with No.0 diesel oil at concentrations of 5, 25, 125, 625 mg/dm3 in water of series sub-tanks for 16 h. The changes in polychaete community were studied in the period of two weeks with results that though all concentrations did not basically altered the population structure and composition,...

An experiment about the effect of diesel oil pollution on the model benthic ecosystem was conducted inthe land-based tank at the 3rd Institute of Oceanography, State Oceanic Administration, in Xiamen, added with No.0 diesel oil at concentrations of 5, 25, 125, 625 mg/dm3 in water of series sub-tanks for 16 h. The changes in polychaete community were studied in the period of two weeks with results that though all concentrations did not basically altered the population structure and composition, the total biomass decreased significantly and individualstended to be smaller in size. The average weight of individual decreased with the increase of diesel pollutant stress.

EffectsofdieseloilonthepolychaeteAnnelidainmodelbenthicecosystem¥TangSenming;ChenXiaolin;ZhuangDongfa;WuShengsan;LinYu;CaiZip...

The yield of t he rice irrigated with water polluted by diesel oil at two different growth stag es is lower than that of no diesel oil pollution.The loss of the yield of the r ice irrigated with polluted water at tillering stage is greater than that at ear primordial stage.The difference of the yield of the rice irrigated with low co ncentration of polluted water(100mg /kg-soil)at two growth stages is not significant,but that irrigated with medium or high con-centration of pollute d water(200mg /kg-soil...

The yield of t he rice irrigated with water polluted by diesel oil at two different growth stag es is lower than that of no diesel oil pollution.The loss of the yield of the r ice irrigated with polluted water at tillering stage is greater than that at ear primordial stage.The difference of the yield of the rice irrigated with low co ncentration of polluted water(100mg /kg-soil)at two growth stages is not significant,but that irrigated with medium or high con-centration of pollute d water(200mg /kg-soil or400mg /kg-soil)at two growth stages is ver y significant (p<0.01).The decrease in the yield of the rice at tillerin g stage is maily caused by the decrease in its biological yield while that at ea r primordial stage is due to the decrease in its harvest index(HI).

水稻两个不同的生育期受柴油污染后的产量均比未受污染的对照产量低。生育前期(分蘖期)受污染的产量损失大于生育后期(幼穗分化期)受污染的产量损失。在同为低浓度污染(100mg/kg土)的条件下,两者的产量差异不显著;而同为中或高浓度污染(200mg/kg土或400mg/kg土)条件下,两者的产量差异达极显著水平。前期污染产量下降的原因主要是生物产量的下降;后期污染的产量下降则是由于收获指数(HI)下降引起的。

The data of urban river sediments(including Shahe river,Fuhe river and Nanhe river) were studied.The average value of lead content was 65.3?mg/kg in the range from 121.1~279?mg/kg,the medium was 55.2?(mg/kg),SD was 65.03 and C.V.was 0.996.Because the radioactivity of coal fly ash was much higher than the gasoline and diesel oil,the sources of the aerosol lead could be distinguished.The isotopic composition of lead was mainly within the range of coal fly ash,which revealed that the coal Pb was the dominating...

The data of urban river sediments(including Shahe river,Fuhe river and Nanhe river) were studied.The average value of lead content was 65.3?mg/kg in the range from 121.1~279?mg/kg,the medium was 55.2?(mg/kg),SD was 65.03 and C.V.was 0.996.Because the radioactivity of coal fly ash was much higher than the gasoline and diesel oil,the sources of the aerosol lead could be distinguished.The isotopic composition of lead was mainly within the range of coal fly ash,which revealed that the coal Pb was the dominating pollutant sources.The Pb contents of few samples locating in Shahe and Fuhe river were between Pb contents of the coal fly ash and diesel oil,which revealed pollution resources were mixed by the coal and diesel oil pollution.

文章分析了成都市河道(沙河、府河、南河)表层沉积物淤泥铅含量特及铅同位素丰度比的测定数据,结果表明铅含量变化范围是21.1~279 mg/kg,平均值为65.3 mg/kg,中值55.2 mg/kg,统计标准差65.03,变异系数为0.996,说明河道表层沉积物含量变化大。端元物质的铅同位素组成特征是燃煤的放射成因铅高于燃油,可以示踪和鉴别成都市环境铅的污染来源。三河淤泥铅同位素组成均大多落在崔家店热电厂降尘和华能热电厂燃煤飞灰的范围,沙河、府河有少数几个样品点落在燃煤铅(崔家店热电厂燃煤降尘)和柴油铅之间,其铅的来源可能是两者的混合。

 
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