结果表明,莱州湾主要污染物分布在西部和西南部。
The results indicated that the main pollutants were distributed in the western and southwestern Laizhou Bay.
沉积物的粒度是控制沉积物中污染物分布的主要因素之一。
Grain size is one of the main factors to control the pollutant distribution in sediment.
结果表明,人体活动会对室内气流压力、速度及污染物分布产生一定程度的影响,对温度分布的影响可以忽略。
The results show that man's movement affects air pressure, air velocity and contaminant distribution, while the impact on air temperature can be ignored.
根据分析结果,以车密度为主要变量,建立了高架道路污染物浓度分布模式。
Then the distribution model of elevated road pollutant concentration was established, taking vehical density as the main variable.
本文的研究工作为对更深入研究洁净室内部流场分布,污染物控制及创新性设计打下了较好的基础。
The work done in present study provides a good basis for further investigations on cleanroom, such as airflow distribution, contamination control , and innovation design.
砷广泛分布于自然界,而且是一种重要的环境污染物。
Arsenic is widely distributed in nature and also an important environmental pollutant.
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。
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.
此外,该模式系统由于能够较为准确地模拟城市范围内污染物的时空分布,在城市空气污染防治规划方面具有较为广泛的应用前景。
In addition, because the model system can correctly simulate space-time distribution of pollutants, it has a wide application foreground to urban air pollution prevention planning.
本章论述几种有关各种排放源的大气污染物浓度分布的估算方法。
This chapter describes methods of estimating airborne pollutant concentration distributions associated with various emission sources.
重金属是一类重要的环境污染物,铜是其中毒性大、分布广的一种。
Heavy metals are important pollutants and copper is one of them with high toxicity and wide-spreaded.
这里利用成熟的室外大气污染物扩散理论- 梯度输送理论和箱模式理论,提出焊接烟尘在室内的扩散模式和浓度分布的理论计算方法。
In this paper, the diffusion model and the theoretic calculation method of welding dust are given by gradient transportation theory and box model for outdoor atmospheric pollutants.
通过对屋面径流和路面径流样品的实验室分析发现,上海市区不同功能区路面径流和不同材料的屋面径流中污染物的分布具有明显的时间规律。
It is founded by analysis samples from roof runoff and road runoff in lab that there is evident time rule about contaminants regulation in runoff in Shanghai city.
三氯乙烯(TCE)在工业生产中的大规模使用,使其成为土壤和地下水中分布最广泛的污染物之一。
Trichloroethylene(TCE) was widely used in industrial production. TCE is one of most ubiquitous pollutants in soil and groundwater.
三氯乙烯(TCE)的大规模使用,已使其成为地表水、地下水中分布最广泛的污染物之一。
Large scale usage of trichloroethylene (TCE) has become one of the pollutants which most extensively distributed in surface and ground waters.
发现污染物在土壤中的质量浓度分布与渗流速度、作用时间、扩散系数等有关。
The results showed that the intensity distribution had relation with the velocity of percolation, time, coefficient of convection and diffusion.
世界海洋石油污染物的地理分布特点受到污染源和大气环流的影响,分布很有规律。
Geographic distribution of oceanic petroleum pollutant in the world is regular with influence of pollutant source and ocean circumfluence.
应用分析技术手段,对细河底泥污染状况进行监测、调查,从而了解细河底泥污染状况,并分析主要污染物的分布特征。
The polluted condition of sediment of XiHe was investigated by the method of analytic technology, and the distribution of contaminative sediment of XiHe was introduced.
污染物在大气中被稀释扩散时,还会发生干沉积、湿沉积和化学转化过程,所有这些都会影响污染物在大气中的分布。
Air diffusion can impact the pollutant distribution in atmosphere, and so do some non-diffusion aspects such as dry sediment, wet sediment and chemical translation.
针对影响污染物散发及分布特点,给出了室内挥发性有机化合物的具体控制方法,如源头控制、通风及室内空气净化等。
This paper brings forward the indoor VOCs concentration control means, such as source controlling, ventilation and indoor air purifying based on the trait of VOCs emitting and distributing.
经实例应用分析,该方法对各种污染物数据分布情况的适宜性优于现行其他常用方法。
An analysis of the case study shows that the suitability of this technique for the data distribution of various pollutants is better than other commonly-used methods.
三氯乙烯(T CE)在工业生产中的大规模使用,使其成为地下水和土壤中分布最为广泛的污染物之一。
Trichloroethylene (TCE) has become one of the most ubiquitous pollutants in groundwater and soil due to its wide use in industrial production.
在边界层顶附近,污染物浓度分布较均匀,分布趋势和气流一致。
Near the top of PBL, the distribution of pollutants follows the wind.
本实验研究利用实验室人工配水试验,考察了生物造粒流化床的微生物群落分布和污染物去除特性。
Microbial community structure and the pollutants removal characteristics were studied using a fluidized-pellet-bed (FPB) bioreactor treating artificial wastewater.
采用卷积分模型成功预测计算了危险品泄漏后河流中污染物浓度的分布。
Rolling integral model is used successfully in predicting the distribution of pollutant concentrations along a river at different time after an accident of danger leakage.
通过明渠水槽模拟的闸门调控实验,初步认识了闸门影响下污染物迁移转化波形分布规律。
Through the gate operation experiment in open channel, we get a cognition about the phenomena of concentration wave of contamination under the influence of gate.
并对SO2典型日变化趋势、主要污染源以及气象条件对污染物浓度分布的影响进行了分析。
The typical diurnal variation characteristic of SO2 concentration, the main source and the meteorological factors that influence the pollutants were analyzed.
气流与污染物运输集团一体化的试验与模型研究,是为了了解建筑物空间的污染物的分布。
The Airflow and pollutant Transport Group integrates experimental and modeling research in order to understand the dispersion of airborne pollutants in buildings.
本文就大气污染物浓度的时间分布、空间分布(包括平面分布和铅直分布)的规律及其原因进行了阐述和分析。
The regularity and reasons of time-space distribution (including horizontal distribution and vertical distribution) of the concentration of pollutants in atmosphere are related and analyzed.
优化时必须考虑地形和气象特点、污染源的分布和片区的功能特征。再根据片区内主要污染物及源分布确定决策团子。
The factors must be considered in optimization, these are topographic and meteorologic features, pollution sources distribution, and functional characteristics of each zone.
对沈阳市城郊土壤中35种有机污染物进行了检测,分析了土壤有机污染检出特征和空间分布特征。
Based on the survey of 35 organic pollutants in the soils of Shenyang suburbs, this paper studied the detection characteristics of the pollutants and their spatial distribution characteristics.
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