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FoshanGuangdong528000Seting anaerobic, anoxic Carrousel oxidation ditch section with biological nutrient removal function, is the urban sewage treatment process, one of the mainstream.

设置厌氧、缺氧段的Carrousel氧化沟具有生物脱氮除磷功能，是目前城市生活污水处理的主流工艺之一。

In this way, COD removal rates of wastewater from cast iron can come up to 70%~75%.

在此工艺条件下，COD去除率高达70%以上。

The spatial spread of cattail community primarily was the result of the gradual accumulation of contaminations and nutrients in water and soil, and the important reason why the removal efficiency of contaminations declines can be found in the decrease of wetland area.

香蒲群落在空间上的扩展，主要是水和土壤中污染物和营养逐渐积累的结果，湿地面积的减少是污染物去除效率下降的重要原因。

The cellulose xanthate was prepared from waste tobacco stem and used for the removal of Cu2+in water.

以废烟梗为原料，制备纤维素黄原酸酯，并将其用于吸附去除水中的Cu2+。

It was found that sodium hydroxide concentration of alkalizing tobacco stem,the amount of carbon disulfide,the reaction time of carbon disulfide,and the amount of magnesium chloride had greater impact on the cellulose xanthate property of Cu2+removal.

实验结果表明，烟梗碱化的NaOH浓度、CS2的加入量、CS2的反应时间、MgCl2的浓度等4个因素对纤维素黄原酸酯去除Cu2+的性能影响较大。

The effects of the dosage of sawdust cellulose xanthate,reactive time,pH value,temperature on the removal of heavy metal ions in wastewater were investigated.

结果表明，在常温条件下，pH值在5～10范围内，木屑黄原酸酯对Cu2+，Ni2+，Zn2+的去除率达98%以上，处理后废水中Cu2+，Ni2+，Zn2+的含量达到国家排放标准。

Cementation has also been suggested , demonstrated, and may be appropriate, for the removal of arsenic from drinking water.

粘结也已经被建议、示范，而且对饮用水的除砷可能是适当的。

This paper considers only three unit processes for arsenic removal, namely precipitation, adsorption and cementation.

本文认为只有三个砷去除工艺单元，分别为沉淀、吸附、胶结。

Your dentist may also carry out root planning (removal of infected cementum from the root).

你的牙医也可进行根规划（去除受感染的牙骨质，从根本上）。

Allergists will often recommend do it yourself cental air to their patients the removal of carpets do it yourself cental air from the living space.

allergists往往会推荐自己做环空对待病人免除自己做地毯从中部空中生活空间。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐