The calculated result could be used as reference for calculating pollution concentration, preventing atmospheric pollution and environmental planning etc.
计算结果可为大气污染浓度的计算，大气污染防治，及环境规划等提供参考依据。
Based on the box model used in atmospheric Science, Calculation of indoor air pollution concentration had been developed and it's effect factors were discussed as well.
在借鉴大气总量控制箱模式的理论基础上，探讨了室内空气污染物浓度的新的计算方法，并通过此模式对影响因素作了分析和分情况解释。
The results show that during storm period, non - point pollution concentration and momentary toss are co - occurence with the peak value of runoff, their relations are very closely.
研究结果表明：暴雨期内，非点源污染物浓度及瞬时流失量与径流峰值几乎同步出现，它们之间存在着非常密切的关系。
The results show that, the more soil lead pollution concentration is high, the more heavy metal lead is absorbed by maize plant, and the more maize plant growth influenced is graveness.
结果表明：土壤重金属铅污染质量分数越高，玉米吸收重金属铅越多，对玉米的生长影响越大。
Authorities measure the concentration of particulates with a diameter of less than 10 microns - so-called PM10 - in the air to determine pollution levels.
检测机构会检测直径小于10微米的微粒，即PM 10浓度，并由此判定污染程度。
Then, the concentration under different wind diffusion condition are analysized by using ground pollution mode so that the ratio of contribution to the total pollution limit is obtained.
之后采用近地面尘降模型，计算了这类污染源在不同气象层结下的扩散状况，得出其污染浓度对大气环保浓度的分担率。
Code for Indoor Environmental Pollution Control of Civil Building Engineering (GB50325-2001) is the main norm used for soil radon concentration measurement.
《民用建筑工程室内环境污染控制规范》(GB50325- 2001)是民用建筑工程土壤氡浓度测量方法的主要依据。
Objective To understand purification effect of low concentration ozone on indoor formaldehyde pollution.
目的了解低浓度臭氧对室内空气甲醛污染的净化效果。
Results showed that, the environmental water demand almost linearly increased with the pollution loading, and exponentially increased with the pollutant concentration of the supplemental water.
结果表明，随着污染负荷和补水本底污染物浓度的增加，环境需水量分别成近似线性和指数函数增加；
Conclusion There is purification effect of low concentration ozone on indoor formaldehyde pollution.
结论低浓度臭氧对室内空气甲醛污染有净化效果。
Hydrogen can replace acetylene, gas, liquefied petroleum gases such as carbon, with high calorific value, flame concentration, zero pollution, high efficiency, energy saving and easy.
氢气可以取代乙炔、煤气、液化气等含碳气体，具有热值高、火焰集中、零污染，生产效率高，节能方便等优点。
Gaussian model with the assumption of the normal distribution of plume concentration is mostly applied for the evaluation of local atmospheric pollution in the world.
在研究局部地区空气污染时，目前国内外应用较为广泛的仍是假设烟羽浓度为正态分布的高斯模式。
This method can be used to describe the time and spacial distribution states of COD concentration for carrying out the prediction and assessment of water pollution.
应用该方法可定量地描述COD浓度在时间和空间上的分布状态，进行水质污染预报和评价。
In the model the contribution from area pollution sources was calculated by transforming it to the background concentration, so the model was greatly simplified.
在模型中尝试性地将面源污染产生的浓度贡献转化到背景值中计算，简化了解析模型。
The results indicated that fluorine pollution strengthened the stability of soil colloid and increased the critical flocculation concentration.
结果表明，氟污染使土壤黏粒的稳定性增强，土壤胶体的临界聚沉浓度增大；
In accordance with oil pollution surface water's character of large area and low concentration, high efficient bacteria have been chosen to degrade oil.
针对当前地表水油污染具有大面积、低浓度的特点，应用筛选高效降油微生物除油。
It has been difficult to really control water environment pollution by concentration control, with the pollution increasing dumped into water-body and people living standard improving.
随着排入水体的污染物的增多和人们生活水平的提高，污染物浓度的控制已难以真正控制水环境污染。
Objective to study distribution of air pollution source, determine the historical exposure concentration of air pollution in the region, and assure the work scope of health investigation.
目的根据区域大气污染源分布研究确定区域大气污染物历史暴露浓度，确定健康调查工作范围。
The other gas molecule concentration such as atmosphere and industry pollution can also be measured in the similar way.
大气和工业污染中的其他气体分子的体积分数也可用类似方法测量。
It suggested that the environmental lead pollution of low concentration may enhance the blood lead level and the genetic material damage, may decline the neurobehavioral function.
这表明，环境中低浓度铅污染可增加血铅负荷和遗传物质损伤，并且可降低神经行为功能。
The other gas molecule concentration such as atmosphere and industry pollution can be measured in a similar way.
大气和工业污染环境中的其它气体分子浓度也可用类似方法测量。
The concentration of the pollution in garbage leachates is high, the virulence is great and the component is complex , which harms the biological environment and people' s health very seriously.
垃圾渗滤液污染物浓度高、毒性大、成分复杂，对生态环境和人体健康危害十分严重，是一种典型的高污染、难处理高浓度有机废水。
The observational results indicated that NO2 pollution level increased year by year, the O3 mass concentration increased and maximum value appeared ahead in the year of 2006.
结果表明：南京市环境空气NO2污染逐年增加，2006年O3质量浓度增大并且最大值的出现时间提前。
Membrane pollution can be controlled through addition of various concentration of zeolite in submerged membrane bioreactor to treat urban household wastewater.
在一体式平板膜生物反应器处理城市生活污水的过程中，通过投加不同浓度沸石粉可以实现对膜污染的控制。
Through analysis of concentration change with time and space of mian air pollutants, some causes of the change regularity are expounded, being useful for pollution forecasting and control.
通过分析大气中主要污染物浓度的时空变化，阐明形成此规律的原因，对大气污染物的预测和防治具有一定意义。
The result shows that the peak of pollutant concentration is ahead of or synchronous with that of runoff, and heavy pollution occurs in initial period of storm runoff.
结果表明：污染物浓度的峰值一般提前或同步于径流量的峰值，初期径流污染较重；
Composite index analysis is based on the relative concentration of quality components in its environmental quality standards to judge the pollution levels of the water-quality status.
水环境质量评价指数法是根据水质组分浓度相对于其环境质量标准的大小来判断水的质量状况。
If the brood indoor and ventilated bad, oxygen will gradually reduce the concentration of carbon dioxide, air pollution, increase become up.
如果育雏室内通风不良，氧气就会逐渐减少，二氧化碳浓度增大，使空气变得污浊起来。
Recent years, BP model has been applied to atmospheric pollution forecast, a neural network prediction model of atmospheric pollutant concentration is set up.
近年来将BP网络模型应用到大气污染浓度预报中，并建立了大气污染物浓度的神经网络预报模型。
Recent years, BP model has been applied to atmospheric pollution forecast, a neural network prediction model of atmospheric pollutant concentration is set up.
近年来将BP网络模型应用到大气污染浓度预报中，并建立了大气污染物浓度的神经网络预报模型。
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