SO2

The heterogeneous transient model of a fixed-bed reactor packed with vanadium catalyst, S101, for catalytic oxidation of SO2 and operating in a flow direction switched periodically was developed.

建立了充填国产S101钒催化剂的、单段流向变换周期操作固定床反应器的非均相动态模型。

The air concentration of CO, NO2 and SO2 in national highway toll stations were higher than that in the provincial highway;

国道收费站作业环境空气中CO、NO2和SO2的浓度明显高于省道收费站；

Desulphurization based on limestone has been widely used to control SO2 contamination.

目前钙基脱硫技术是一种被广泛应用的SO2污染控制技术。

This article points out the importance and difficulty of the on-line SO2/ H2S analysis in sulfur recycle process, and introduce the application of Siemens process chromatographer PGC 302.

分析了硫磺回收工艺中SO2／H2S在分析中的重要性和难度，介绍了德国西门子公司的PGC302工业色谱在该工艺中的应用。

At the condition of the experiment SO2 absorbing rate is almost 100%.

在实验条件下，对SO2的吸收效率接近100%。

Coal combustion in power plants has always been a dominant contributor to the release of sulfur dioxide, in so saying, investigations on the rule of sulfur released from power coal and the technology of control technology of SO2 have important significance.

电厂燃煤则是产生SO2的主要污染源，因此研究动力煤燃烧硫析出规律和SO2控制技术具有非常重要的意义。

The cost of unit SO2 removal is determined by fuel characteristics.

而燃料特性则是影响脱单位质量SO2成本的决定性因素。

Effects of SO2 Pollution on Plants and the Consequent Self-repairing Ability

二氧化硫对植物的影响及植物的自我修复

Description on determination of SO2-4 concentration in ambient air during precipitation monitoring and its sampling sites, measures of ensuring samples analyzing quality, and quality control over the whole process were presented.

阐述了降水监测中硫酸根离子（SO2-4）浓度测定过程中降水采样布点、样品分析的质量保证措施，以及确保降水监测分析全过程质量控制措施等的实践经验。

This study is to design SO2 and H2S gas concentration measurement devices.

本文的研究内容就是设计SO2和H2S气体浓度测量装置。

Analysis on SO2 Pollution Lever and the Reason in Urumqi City

乌鲁木齐市SO2污染现状调查与成因分析

The mechanism of catalytic oxidation of SO2 was discussed.

并初步讨论了液相催化氧化吸收SO2反应机理。

The SO2 concentration was the major factor to the injury degrees of crops;

SO2浓度对作物的伤害程度起主要作用。

Acid rain caused by SO2 from the flue gas is one of the major environmental problems.

烟气SO2引起的酸雨污染是当代世界面临的重大环境问题之一。

The main task to control air pollution in China is reducing SO2 and NO, emission.

我国控制大气污染的主要任务是减少烧煤的SO2和NO x的排放。

SO2 air pollution not only changes plants environment but also makes the frond cause corresponding reaction.

SO2的大气污染使植物生活环境发生了改变，植物体也产生了相应的反应。

Study of SO2 emission trading in two control zone

两控区二氧化硫排污交易研究

Study on vertical distribution of atmospheric TSP SO2 concentration near ground

大气中TSP、SO2浓度近地面垂直分布规律的研究

Especially SO2 pollution was serious that it made air quality worsened.

在大气环境方面，当地环境空气质量下降，尤其是SO2污染严重。

Relationship between SO2 injury and active oxygen metabolism of grapes was studied.

以耐SO2品种巨峰和不耐SO2品种红地球葡萄为材料，研究了葡萄贮藏中SO2伤害与活性氧代谢的关系。

Low-concentration SO2 flue gas is usually treated by Limestone-Gypsum desulfurization technology. However, this method has some disadvantages, such as requiring large investment, suffering serious encrustation, recontamination of wastes from the desulfurization process.

低浓度二氧化硫烟气一般采用石灰石-石膏法处理，但是该方法存在投资大、设备结垢严重、废弃物二次污染等问题。

SO2 Pollution Control Problems of Firepower in Two Pollution Control Areas

两控区火电厂二氧化硫污染控制问题的探讨

An estimate environmental damage cost model of SO2 and TSP is built up.

目前点源环境损害成本估算的研究在我国开展极少。

The harm and source of SO2 in indoor air are introduced.

作者介绍室内空气中SO2的危害与来源。

The nonlinear fitting deconvolution method was used to reconstruct the real UV absorption spectrum of SO2, and turned out to improve the measurement spectral resolution of gas absorption spectra.

文中应用非线性拟合退卷积方法对SO2气体的紫外吸收光谱进行复原，证明这种方法可以提高气体吸收测量光谱的分辨率。

Comprehensive treatment of SO2 in waste gas and cr(ⅵ) in waste water

SO2废气与Cr（Ⅵ）废水的综合治理

The coal fired power generation has already become the greatest pollution source of SO2.

燃煤发电厂已成为我国大气中SO2污染的第一大污染源。

The design of remote monitoring center, data control center, optical and electrical control system, SF6 optical analysis system, temperature and humidity testing terminal, derivatives such as H2S and SO2 concentration measurement terminal are described in detail.

给出了系统的设计方案，详细阐述了远程监控中心、现场数据控制中心、光机电控制系统、SF6光学分析系统、温度湿度检测终端、H2S气体、S02气体等衍生物质浓度检测终端的设计。

The sensitivity of crop seedlings to SO2 could be used as an identified basis;

作物幼苗期对SO2的敏感性可以作为其对SO2的抗性反应的鉴别依据。

The results of study the effect of SO2 concentration and reacting time is subtle.

SO2浓度和烟气停留时间对脱硫效率影响不是很大。