查询词典 air pollution

The content of air pollutants in the leaves of planting tree s can reflect degrees of air pollution and ability of absorbability of planting tree s for air pollutants.

研究结果表明：绿化树种对大气污染具有很强的吸滞能力，并依污染气体和树种的不同具有明显差异。

DOAS can be used not only to the measurement of air pollutants near the surface, but also to the measurement of column density of air pollutants, even in the global monitoring of air pollution by satellite instruments.

这种方法不仅可以用在大气污染气体浓度的近地面测量上，还可以用来测量大气污染气体的柱浓度，以及用到卫星仪器对大气污染状况的全球测量上。

Since 2000, the project I had/have been responsible for include:Health Effects of Fine/Ultrafine particles in ambient air of Beijing founded by Natural Science Foundation China and also cooperated with GSF, Germany; Energy Selection and Health Benefits in Beijing and China funded by IES program of USEPA, Study of Environmental Cost Model in China funded by USEPA, Risk Assessment for health Effects of Biological Indoor Air Pollutants and outdoor air pollution funded by China Ministry of Science and Technology; Health Effects of Fine Particles from the Dust Storms in China funded by NSFC and also cooperated with NIER, South Korea, etc.?

目前有在读的博士生2人、硕士生6人，MPH5人。主要研究方向为室内外空气污染对人群健康影响的定量评价及方法、环境污染健康风险评价及方法学。目前主持承担的科研项目有：国家自然科学基金重点项目"大气细颗粒和超细颗粒的环境行为。界面过程和健康效应"，国家"十一五"科技支撑计划项目"建筑室内生物污染控制与改善关键技术研究"和"环境污染的健康风险评估与管理技术研究"，欧盟课题"健康与环境网络建设"、韩国环科院合作项目《亚洲沙尘污染对儿童健康影响的比较风险研究》等

The 1967 amendments to the Clean Air Act of 1963 (1967 Air Quality Act) provided the first comprehensive federal scheme for air pollution control.

1967年的条例对1963年净化空气条例的修改(1967 年空气质量条例)提供了第一个关于空气污染控制的全面的标准的方案。

According to people who had moustaches, inhaling the air component quantitative analysis and found that the air sucked into the presence of dozens of hazardous substances, including phenol, toluene, acetone, isoamyl asked diene, and other carcinogens,, Who had moustaches, who inhaled the air pollution index, is 4.2 times that of ordinary air.

据对留有胡子的人吸入的空气成分进行定量分析，发现吸进的空气中含有几十种有害物质，其中包括酚、甲苯、丙酮、异戊问二烯等多种致癌物，留有胡子的人吸入的空气污染指数，是普通空气的4.2倍。

Excessive grinding or abrasion of this product may create airbome dust and fober concentrations in excess of state and Federal OSHA permissible exposure limits.if employee exposures exceed these PELs,local exhanst ventilation or other mechanical ventilation systems may be required to reduce such exposures to concentrations below the PELs.if mechanical exhaust ventilation is necessary,exhaust air should be appropriately filtered or otherwise controlled to meet local ,state and Federal air pollution and air quality laws and standards

磨削过度磨损或这种产品可能造成机载尘fober浓度超过州政府和联邦政府1921年允许暴露限定。如果雇员暴露超过这些研究生，局部排气通风或其他机械通风系统，可要求减少这种暴露浓度低于该PELs。如果机械排风是必要的，排风应适当过滤或以其他方式控制，以符合当地，州和联邦空气污染和空气质量法规和标准

In order to detect the air pollution caused by acarida mites in some special circumstances dust sampler and air-drifting sampler were employed to detect acarida mites in the air, eight species of acarida mites were separated, which belong to 3 families six genus.

为探讨肺螨病的免疫诊断方法，笔者应用IFAT、IHA、Dot-ELISA检测了肺螨病患者血清螨特异性Ig水平，结果显示上述几种方法均具有很好的特异性和敏感性，对于肺螨病的辅助诊断都具有一定的应用价值。

Secondly, based on the theoretical research, the water and air pollution charge standard is calculated by marginal cost means, waste solid pollution charge standard is calculated by land opportunity cost means and noise pollution charge standard is calculated by eliminative cost means.Thus this paper carries on the. microscopic analyses, which include the region actual condition and the goal of the total amount control.

然后从理论研究着手，根据边际费用法原理对收集到的数据进行回归处理，得到关于水污染物和大气污染物的污染治理费用函数，计算并提出水与大气的总量收费标准建议；运用土地机会成本法和费用法计算，提出对固体废物和噪声污染物排污收费标准的建议。

This article advanced that applying harmonious degree of ambient air quality of large or medium city based on ambient air quality assessment using air pollution index at present. This article expounded its definition, evaluation basis, compartmentalizing level, evaluation method and qualitative description. Harmony degree has been carried out application on the evaluation of ambient air quality.

在目前我国城市都在应用空气污染指数来评价空气质量的基础上，提出应用环境空气质量和谐度来评价大、中型城市环境空气质量，详细阐述了环境空气质量和谐度的定义、评价依据、级别划分、评价方法以及定性描述，并对环境空气质量和谐反对城市环境空气质量评价进行了应用。

Based on international front and hotspot in atmospheric chemistry and aerosol study, considering domestic characteristics of atmospheric pollution, the laboratory has included main research areas below: atmospheric chemical reaction, aerosol chemistry, photochemical pollution, acid deposition chemistry, atmospheric brown cloud, emission characteristics and emission factors of PM and VOCs emitted from various sources, indoor air pollution and its control techniques, health effect of particulate matters, and so on.

研究室的主要研究方向始终瞄准国际大气化学和气溶胶研究和发展的前沿和热点，结合中国大气污染的自身特点，在大气化学反应、气溶胶化学、光化学污染、酸沉降化学、大气棕色云、各种污染源颗粒物和 VOCs 的排放特征和排放因子、室内空气污染及其控制、大气污染的人体健康效应等方面进行实验研究，在上述各方面得出具有国际先进水平的研究成果，建立国内领先和国际先进的学术研究和实验科学体系，确保研究室的学术地位和知名度，与国外相关的研究机构保持同步的发展态势并建立平等的交流机制。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。