These measurements were then correlated with data on fine particulate air pollution. 研究人员把这些测量结果和细颗粒物空气污染的数据联系起来。
The study also noted that there was a large difference in particulate matter between the north and south, but not in other forms of air pollution such as sulfur dioxide and nitrous oxide. 该研究还指出,南北之间在颗粒物上有很大的差异,但在其他形式的空气污染,如二氧化硫和氮氧化物上并没有这种差异。
Daily increases in pollution from nitrogen dioxide, sulfur dioxide, carbon monoxide and particulate matter were associated with corresponding increases in strokes and hospital admissions. 二氧化氮、二氧化硫、一氧化碳和颗粒物污染的日增加量与中风和入院的相应增加相关。
Primary pollutants produced by petrol-powered vehicles include carbon monoxide, nitric oxide, benzene, particulate matter and lead. 一级污染物是由汽油动力车辆产生的,包括一氧化碳、氧化氮、苯、悬浮颗粒以及铅。
Particulate matter in soils and aquatic systems reacts with and influences the biological activity of pesticides. 土壤和水系统中的颗粒物质都与农药的生物活动起反应,并影响后者。
Measurements of particulate nitrate and gaseous nitric acid in ambient air were studied by denuder difference and filter packs. 研究了用扩散管差分法和多种叠层滤膜法测量大气中颗粒物硝酸盐和气体硝酸。
Mechanism Analysis and Experimental Study of Removing No_x and Particulate Emissions from Diesel Engines by NPAC Technologies NPAC技术降低柴油机NOx和PM排放的机理分析及试验研究
The regulatory requirements applicable to particulate inhalation products are also reviewed briefly. 同时对应用与颗粒吸入产品的调节性要求进行了简要综述。
As a result, particulate emissions from automotive diesel engine may be controlled also. 结果对汽车柴油发动机排放的微粒污染物也要进行控制。
The general study of catalyst used in regeneration particulate matter and the development of catalytic technologies are emphasized especially. 重点阐述了微粒再生催化剂研究进展及其发展趋势。
Experiment on contrast O_3 to NO_2 oxidation of diesel particulate matter NO2和O3氧化柴油机微粒的对比试验研究
In order to reducing the diesel particulate matter, the pellet filter is installed on the automobile. 为减少柴油机颗粒物的排放,在汽车上安装了颗粒过滤器。
A new wet electrostatic precipitator was designed for removal of fine solid or liquid particulate matter from exhaust gas. 介绍一种用于分离废气中细小固体和液体颗粒物的新型静电沉降器。
Both engines come with a maintenance-free diesel particulate filter. 两个引擎来与一个免柴油微粒过滤器。
A Study on the Particulate Emission Characteristics of Gasoline and CNG Vehicles 汽油车和天然气汽车颗粒物排放特性研究
An experimental study on the performances of diesel oxidation catalyst ( DOC) and diesel particulate filter ( DPF) is conducted. 对氧化催化转化器(DOC)和柴油机颗粒过滤器(DPF)进行了性能试验研究。
The heart of the system is a special catalytic converter downstream of the oxidizing catalyst and the particulate filter. 该系统的核心是一个特殊的催化转化器催化剂的氧化和下游的微粒过滤器。
The recent research development of ageing behavior of SiC whisker or particulate reinforced aluminum matrix composites is reviewed. 综述了近年来碳化硅晶须和碳化硅颗粒增强铝基复合材料时效行为的研究发展状况。
Ship operations emit nitrogen oxides, sulfur dioxide, particulate matter, and hazardous pollutants into the air. 船舶作业中把排出的氮氧化物、二氧化硫、微粒物资以及危害性的污染一并散播到空气中。
Composition, health impact and after-treatment technology of particulate matter from diesel vehicle exhaust have been introduced. 本文分析探讨了柴油机排气颗粒物的组成、危害及后处理技术。
One effective way to abate particulate pollution is to research and develop filtration techniques for particulates from diesel emission. 柴油机排气微粒对环境危害严重,研究开发排气过滤技术是解决问题的有效措施之一。
The effects of reaction temperature and organic additives on the particulate properties such as the particle morphology and size are discussed. 本文对反应温度和有机添加剂对颗粒性能的影响,如颗粒的形貌和大小,进行了讨论。
This paper introduces the principle of TXRF and analyzes airborne particulate matter. 本文描述了TXRF技术的基本原理,并应用它分析了环境大气颗粒物。
Samples should be clear and free from particulate matter. 抽样应该是清楚的和没有颗粒状的问题。
Particulate matter includes particles from molecular size to greater than10Mm in diameter. 微粒物质包括从分子大小到直径大于10毫米的粒子。
Visible particulate matter can be controlled by adequate regulations. 对肉眼可见的颗粒物质的污染通过适当管理即可加以控制。
Particulate phosphorus is the main form in runoff water. 径流方式下,颗粒态磷是主要流失形态;
Study on powdered polymer materials is an important research subject of particulate technology. 高分子粉体材料的研究是粉体技术中一个重要组成部分。
Particulate traps have been designed that will remove most of the particles from the exhaust gas. 已经设计出的污染微粒收集器可将大部分有害微粒从废气中分离出来。
a small discrete mass of solid or liquid matter that remains individually dispersed in gas or liquid emissions (usually considered to be an atmospheric pollutant)