阳极表面处理，不造成二次污染。
处理后水质不会产生二次污染等问题。
我们应该控制二次污染。
更不会造成二次污染。
堆肥方式是综合处理，但容易造成二次污染。
The composting treatment is a comprehensive way, but apt to cause secondary pollution.
延长熔融时间可减少这一类重金属的二次污染。
By prolonging the time of fusion, the pollution of these metals can be reduced.
配水管网中细菌繁殖是钦用水二次污染的重要方面。
Bacteria regrowth in distribution system is an important factor for drinking water pollution.
在臭氧制造行业，该技术真正实现了无毒、无害、无二次污染。
In ozone producing industry, this technology really realizes innocuousness and harmlessness without secondary pollution.
化学试剂包显色，样品和试剂用量少，防止并减少了二次污染。
Chemical reagent of Bao Xian color, small sample and reagent consumption, prevent and reduce pollution two.
该工艺具有处理量大，回收率高，产品质量好，无二次污染等优点。
The process has the advantages of large throughput, high recovery rate and good product quality without secondary pollution.
饮水机长期使用没有定期消毒，细菌和病毒也会对水超成二次污染。
Long term use of drinking fountains without regular disinfection, bacteria and viruses will be two times the water pollution.
如不进行妥善处理，污泥中的重金属等有毒有害物质必将造成二次污染。
Heavy metals and other poison in sludge will lead to the second pollution, if we can't dispose sludge properly.
例如为了防止二次污染，即使是排污阀也不采用含石棉的密封填料和垫片。
For example, in order to prevent secondary pollution, even the use of sewage is not Valve asbestos packing and gasket sealing.
利用微生物降解的方法处理含酚废水是一种经济有效且无二次污染的方法。
It is economic and effective that using the method of microorganism biodegradation to treat with phenol wastewater. And it has not second pollution too.
且这些二次污染物有的进一步交叉、作用，使矿山药剂的二次污染链延伸。
And these secondary pollutants of mineral reagents can enlarge the scale of pollution, and increase the complexity of pollution.
该技术具有流程简单、占地面积小、无二次污染、费用低、应用范围广等特点。
The advantages of this technology are simple process flow, compact installation, no secondary pollution, low cost and wide range of application, etc.
配水系统因内部腐蚀而产生的锈垢对供水水质造成二次污染，增大了供水成本。
The serious danger caused corrosion of the distribution water pipeline and the reasons of corrosion were analyzed in this paper.
钻井污水处理中存在着混凝剂效力不高，处理费用较高并易造成二次污染等问题。
There exist many problems such as inefficient coagulant more expensive treatment the secondary pollution in treating drilling waste water.
与传统工艺相比，采用该方法具有净化效率高、无二次污染、运行成本低的优点。
Compared to traditional technology, this technology has the advantages of high purification efficiency, no residual waste generation, and low maintenance costs.
南宁市主要以堆肥和填埋方式处理生活垃圾，由于二次污染而对外界环境造成影响。
Piling and Landfill are the main ways of disposing house refuse in Nanning City. The secondary pollution has exerted negative effect on the environment.
臭氧与一般的杀菌消毒剂相比，它杀菌速度快，没有二次污染，不残存任何有害物质。
Compared to general disinfectants Ozone has quick sterilization speed, it will cause no secondary pollution and it has no remnants of any harmful substances.
产品放置于自然环境中，60日后与氧分子结合又自动转化成清水，不会造成二次污染。
When exposed to the air for more than 60 days, the product will turn into water with oxygen molecules and there will be no secondary pollution.
试验表明，该新工艺可生产出合格水泥缓凝剂产品，并且能耗低，成本低，无二次污染。
The trials show the cement retarding agent acceptable at lower energy consumption, lower cost and no secondary pollution.
剩余污泥一直是中、小型污水生化法处理设施的遗留问题，处置不当，易造成二次污染。
Residual sludge from the small scale wastewater treatment plant is always a problem remained in biological wastewater treatment, it may cause secondary pollution if not disposed well.
光催化降解有机污染物工艺简单，成本较低，无二次污染，是最有希望的环境友好新技术。
Photo degradation of organic contaminant perhaps is the most prospective environmental purification technology due to its low cost, without secondary pollution and ease of processing.
洱源县村镇环境存在生活污染、农业二次污染和乡镇企业污染严重，生态环境恶化等问题。
The environmental problems in Eryuan County include the daily life pollution, the secondary agricultural pollution, pollution from towns and village enterprises, and eco-environment deterioration.
运行测试结果表明，该装置能够有效地净化手烧燃煤锅炉的烟尘，避免除尘废水的二次污染。
The test of operation indicates that it can get ride of the dust in flue gas and avoid the second pollution of the water.
根据乳粉生产过程中原料乳及加工过程中存在微生物的二次污染，论述了如何控制污染的措施。
This paper expounds second pollution of microorganism in raw milk and treatment process, and points out how to control pollution.
用硫酸亚铁的效果与用硫酸亚铁胺的效果相差不大，且前者价格便宜，使用中不会造成二次污染；
There were no apparent different effects between using ferrous sulfate and using ferrous ammonium sulfate, the former was much cheaper and no secondary pollution.
用硫酸亚铁的效果与用硫酸亚铁胺的效果相差不大，且前者价格便宜，使用中不会造成二次污染；
There were no apparent different effects between using ferrous sulfate and using ferrous ammonium sulfate, the former was much cheaper and no secondary pollution.
应用推荐