The nation-wide problems in most relation to us are water pollution, Lang crisis and falling of acid rain.
其中全国性的，与国人关系最密切的主要问题是水体污染、土地危机和酸雨沉降。
Using the acid washing water can reduce pollution and the acidity of the water being drained off in fibre spinning technology. It has obvious economic benefit and social benefit.
用去酸水再生，可减少污染，降低纺丝工艺排水酸度，具有明显的社会效益和经济效益。
The wastewater pollution from DSD acid making process could be solved by making water coal slurry with DSD acid oxidation wastewater completely.
用DSD酸氧化废水制备水煤浆技术可从根本上解决DSD酸生产过程产生的废水污染。
Metal pollution and mine acid water produced in the mining and mineral processing of metal mines have become two major public dangers to environment.
金属矿采选产生的金属污染、矿山酸性废水已成为两大环境公害。
Properties White powders, inodorous, atoxic, non-pollution, non-transference, light resistant, weak acid or alkali resistant, stable storage, insoluble in water and other organic solvents.
性质白色粉末，无味无毒、无污染、无迁移、耐光照、耐弱酸、耐弱碱，贮存稳定，不溶于水及其它有机溶剂。
Only the change of energy structure, the good use of natural gas liquidized gas and water power and the reduction of coal with the content of s can we prevent acid rain pollution in Wanzhou District.
只有改变能源的结构组成，充分利用天然气资源、液化石油气、水电资源，减少含s煤的使用，才能消除酸雨对万州区的污染。
Meanwhile, ACF has good conductivity, so it can be used as electrode to reduce the pollution effectively, such as municipal sewage, dye wastewater, and fulvic acid in water.
同时，活性碳纤维具有良好的导电性能，可以作为电极，能有效地去除环境中城市污水、燃料废水和腐植酸的污染。
The source and quality of the waste water in dimethylaminobenzoic acid production are analysed, and the countermeasures are proposed for pollution prevention and control.
对间二甲胺基苯甲酸生产中废水来源及废水水质进行了分析，并提出了废水污染防治措施。
Some methods of prevention and cure to reduce the pollution of acid waste water from the sulfurous mines are discussed also.
为了减少酸性废水对水质的污染，最终探讨了防治结合的治理方法。
Therefore the pollution of waste acid base discharge was avoided, the water quality improved, and the overall utilization of circulating water upraised.
将原离子交换复床除盐系统改造为反渗透系统，从而提高了水的循环使用率，避免了废酸、废碱大量排放对环境造成的污染；
The paper relates the pollution and harm from the drained off waste acid from wire drawing and cooling water with harmful impurity in steel wire production.
叙述拉丝生产中排放的废酸和含有害杂质的冷却水对周围水质的污染及危害。
Compared with sulfuric acid process, under the premise of ensuring pure benzene quality, the pollution of tar acid and waste water contained with acid on environment can be eliminated.
与硫酸法相比，在保证纯苯质量的前提下，可消除酸焦油和含酸废水对环境的污染。
Through monitoring to a sulphuric acid workshop of chemical plant, we probe into the pollution sour of the Arsenic, the balance of the Arsenic and administration method including Arsenic waste water.
通过对某化工厂硫酸车间的监测，探究砷的污染来源、砷的平衡以及含砷废水的治理方法。
A great quantity of acid wastewater is discharged from the production process of sulfuric acid, single superphosphate and ammonium phosphate, causing serious pollution of water bodies.
硫酸、普钙和磷铵生产过程中排放大量酸性废水，对水体造成严重污染。
Sodium metasilicate, the product of our company, is a non-toxic, tasteless, pollution-free white crystalline granular, easy soluble in water, insoluble in alcohol or in acid.
我公司产品偏硅酸钠，是一种无毒、无味、无公害的白色结晶颗粒，易溶于水，不溶于醇和酸。
Sodium metasilicate, the product of our company, is a non-toxic, tasteless, pollution-free white crystalline granular, easy soluble in water, insoluble in alcohol or in acid.
我公司产品偏硅酸钠，是一种无毒、无味、无公害的白色结晶颗粒，易溶于水，不溶于醇和酸。
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