1.
Low-nitrogen combustion technology, smokeless and odorless, without harmful gas.
无二次污染低氮燃烧技术，无烟，无臭，无有害气体。
2.
They have been proven as high-absorption value and excellent air-purifying products without either energy-consumption or secondary pollution.
产品具有高吸附、无能耗、无二次污染的特点，是目前最优秀的空间环境净化治理产品。
3.
With high total usage and no secondary pollution, its oil recovery ratio reaches90%.
该工艺综合利用率高，无二次污染，油的回收率可达90%适合于小规模废乳化油的净化、生。
4.
Studies on Mineral Secondary Pollution and Its Profound Problem
矿山环境二次污染及深层次问题探究
5.
No wastewater release in manufacture procedure, remaining and soil assimilate after degradation, no second pollution formed.
产品在生产过程中，无污水排出，降解后，残余物质与土壤同化，不会形成二次污染。
6.
The Reasons of the Secondary Pollution about the Water Supply Pipeline Network and Improvement Measures;
供水管网二次污染的因素及改善措施
7.
Research on Secondary Contamination of Air Conditioning Systems in Closed Environment
密闭环境空调系统二次污染问题研究
8.
Inverse Convection-diffusion Problems of Plumes and Second Contamination
高炉和二次污染物的对流扩散反问题
9.
Study on the Second Development and Application of the First Census Data of Pollution Sources
首次污染源普查数据的二次开发及应用研究
10.
Study on Detoxification of Dioxins Contaminated Sediment by Pyrolysis;
二噁英类污染底泥的热解无害化研究
11.
Basic Study of the Secondary Pollutant Emissions from Incineration of the High Concentration Organic Waste Liquid;
高浓度有机废液焚烧二次污染物排放特性研究
12.
Quadratic finite volume element methods for the air pollution model in one-dimensional;
一维大气污染模型的二次有限体积元方法
13.
The Causes And Prevention Methods of Secondary Pollution of Residential Drinking Water;
居住区生活饮用水二次污染的原因与防治措施
14.
Research the Second Bio-contamination of Bucket Drinking Water and Biofilm
桶装饮用水二次生物污染及生物被膜研究
15.
Influence of the Recontamination Resulted from the Biomembrane in Water Distribution Network
给水管网中管壁生物膜对水质二次污染的影响
16.
STUDY ON SECONDARY POLLUTION BY ACID MINE WASTEWATER PREVENTION
酸性矿山废水治理过程中产生二次污染的研究
17.
Property Analysis of Secondary Pollutants in Shanghai Jiangqiao Domestic Waste Incineration Plant
上海江桥生活垃圾焚烧厂二次污染物性质分析
18.
Secondary Pollution and Solutions of Drinking Water in Residential Area
住宅小区生活饮用水二次污染及其防治