ceiling limit是什么意思

网络释义

用法例句

Comparison and analysis is conducted on the three dust weather events happened in Beijing in spring of 2004,and in combination with the variation of the air pollutant concentrations.

通过对2004年春季北京市发生的3次沙尘天气过程的分析与比较,结合北京市3月份的空气污染物浓度(或指数)的变化情况,总结了沙尘天气对空气质量的影响情况,为今后北京地区沙尘天气的空气质量预报提供参考。

The relationship between surface wind direction and air pollutant concentration in Shanghai is studied.

利用 2 0 0 0年 6月至 2 0 0 2年 1 2月上海地区空气污染物浓度和地面风向资料 ,统计了月平均污染物浓度随偏西风频率的分布 ,两者具有一致的趋势。

Appliance of curve fit in the forecasting concentration of environmental air pollutants

曲线拟合在环境空气污染物浓度预测中的应用

Investigations on the Relationships of Indoor and Outdoor Air Pollutant Concentrations during the Evolution Process;

室内外空气污染物浓度演化关系的研究

Analysis of Regularity of Concentration Change Caused by Main Environmental Air Pollutants in Shangqiu City;

商丘市环境空气主要污染物浓度变化规律试析

Impacts of Dynamic Relationships between Contaminants on Indoor Air Quality in Air-Conditioning Rooms;

空调房间污染物浓度间的动态关系对空气品质的影响

Emission Inventory and the Formation Mechanism of High Pollution of Fine Particulate Matters in Shanghai

上海市空气污染排放清单及大气中高浓度细颗粒物的形成机制

Application of land use regression to simulate ambient air PM_(10) and NO_(2) concentration in Tianjin City

利用LUR模型模拟天津市大气污染物浓度的空间分布

Maximum allowable concentration of pollutants in atmosphere for protection crops

GB9137-1988保护农作物的大气污染物最高允许浓度

Studies on Comprehensive Evaluation Methods about Spatial Variation of Seepage Contamination Concentration;

渗流污染物浓度空间变异性综合评价方法研究

Research on the Relationships of the Effect on Contaminations and Health Caused by Climate Change;

气候变化对污染物浓度和健康影响的关系研究

The Study of Concentration and Transport Characteristics of Atmospheric Pollutants over Offshore China Sea;

中国近海大气污染物浓度特征及陆源输送研究

Vertical Distribution of the Main Air Pollutants in the Atmosphere in Tianjin

天津城市主要大气污染物浓度垂直分布

Vertical distribution of air pollutants in the atmosphere in Tianjin

天津城市大气污染物浓度垂直分布特征

Research on the Impact of Civil Building Air Tightness to Indoor Pollutant Concentrations

民用建筑气密性对室内污染物浓度影响的研究

The Effect of Indoor Air Formaldehyde on the Formaldehyde and Glutathione Levels in Human Blood;

室内空气污染物甲醛对人血液中甲醛及还原型谷胱甘肽浓度的影响

ecay of air pollutants

空气污染物的逐渐减少

DNA DAMAGES OF OSMANTHUS FRAGRANS LEAF BUD CELLS INDUCED BY DIFFERENT LEVELS OF FORMALDEHYDE AIR POLLUTION

不同浓度的甲醛空气污染对桂花叶芽细胞的DNA损伤作用

Grey Relevant Analysis between Atmospheric Density of Pollutants and Meteorological Elements in Hohhot

呼和浩特市大气污染物浓度与气象要素的灰色关联分析

Variation of Pollutants Concentration along Combined Biological Aerated Filter

复合式曝气生物滤池中污染物浓度沿程变化规律