查询词典 wastewater

Due to the industrial wastewater and life wastewater unconscionably emissions and agricultural pollution, water containing mud now not only sand, plants decay.

由于工业废水、生活废水无节制的排放及农业污染，现在的地表水不仅含有泥砂、动植物腐朽物。

In the disposal process of surfactant wastewater, flocculation technology is usually used as a pretreatment method. The flocculation process of this kind of wastewater is very complicated because of its complicated components and unconstant characteristics.

在表面活性剂类废水的处理过程中，混凝工艺作为预处理手段经常被采用，但由于该类废水成分复杂、性质多变，使得其混凝过程也较为复杂。

The fresh dewater digested sludge of municipal wastewater treatment plant was suited for vaccinal sludge at the startup of anaerobic reactor and the concentration should not be less 10mg/L; the COD of feed wastewater should be lower than 5000mg/L, and VOL was 20 percent of total VOL; the alkalinity of effluent should be more than 3000mg/L; on the condition of the COD removed 80% can the VOL be elevated.

反应器启动时接种污泥可以选用城市污水处理厂新鲜的脱水消化污泥，浓度不低于10mg/L；进水有机物浓度不高于5000mg/L，容积负荷为满负荷的20％；出水碱度要高于3000mg/L，温度稳定；在有机物的降解率达到80％后再提高负荷。

The presence of HPAM causing the wastewater become viscously which increasing the difficulty in treatment. In the paper, the photocatalytic visbreaking for HPAM wastewater was investigated.

5由于聚合物驱污水中HPAM的存在使污水黏度增加，导致污水处理更加困难，利用光催化法对HPAM降黏进行了研究，首次提出光降黏的概念。

Using gas circulation to drive wastewater circulation is one strongpoint of this technology which can prevent H_2S poisoning SRB whisking the wastewater.

试验采用水循环带动气循j不的工作方式，有效的防止了硫化氢气体对硫酸盐还原菌的毒害作用，同时气体的循环又起到了对反应器中废水的搅拌作用。

Also, using wastewater to create wetlands helps redeem wastewater from its status as a befouled residue of civilized life or, in other words, water waste.

营造有利于废水利用湿废水赎回其作为一个文明生活混浊或残留、换言之，水的浪费。

The original activated sludge technics is incompetent to treat MGP-wastewater. Among all of the 16 isolated bacteria, S-2, Y-3 and XH-3 have better ability of biodegrading MGP-wastewater than other 12 species of bacteria.

原处理工艺由于没有优势降解微生物和合适的生物反应器而对油制气废水的处理无能为力。

The effects of the complex material on the decoloring capacity, the dosage added to the wastewater, degradation time and the initial pH of the wastewater are investigated.

研究了复合材料对模拟印染废水的脱色能力、复合材料的投加量、降解时间以及废水溶液的初始pH对脱色能力的影响。

Abnormal phenomenon of BOD5 measurement of hydrogen peroxide bleaching wastewater was discussed and it was caused by the oxygen generated from decomposition of residual hydrogen peroxide in wastewater. Sodium sulfite is proposed to use for deoxidizing the residual hydrogen peroxide and the abnormal phenomenon can be eliminated effectively.

摘 要：探讨了H2O2漂白废水BOD5测定过程中的异常现象，发现废水中残余H2O2分解产生氧气是导致BOD5测定产生异常的原因，提出了加入亚硫酸钠（Na2SO3）还原废水中的残余H2O2的方法，可有效消除BOD5测定过程中的异常现象。

In recirculating aquaculture system, wastewater characterizes as low C/N ratio and high dissolved oxygen content, deoxygenating and adding extra organic carbon are necessary for complete denitrification of wastewater.

由于养殖废水C/N低且溶解氧含量高，需要补充碳源并有效脱氧，才能保证高效反硝化。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。