查询词典 cod

A new technique for measuring COD of refinery waste water with microwave sealed digestion apparatus was developed using copper sulfate as catalyst.

建立了以CuSO4-MgSO4为催化剂、800W微波功率进行一定时间的微波消解测定炼油污水的化学需氧量的新方法。

In general, the upstream COD tended to be the highest, followed by midstream and downstream.

从总体趋势看，COD浓度的变化规律是：上游＞中游＞下游。

Grown alone, Rhizome of Oldworld Arrowhead , water lettuce, and Brazilian milfoil, have a DO increase rates of 62.5%, 50% and 50% in water respectively; Besides the total removal efficiency of BOD are 93.26%, 90.27% and 92.38%; What's more ,the total COD removal efficiency are 76.02%,, 71.58% and 79.76%. respectively.

单独种植的慈姑、大薸、穗状狐尾藻供试水体中DO的升高率分别为62.5%、50%和50%；对BOD的总去除率分别为93.26%、90.27%和92.38%；对COD的总去除率分别为76.02%、71.58%和79.76%。

Using three different types of living aquatic plants Rhizome of Oldworld Arrowhead, water lettuce, and Brazilian milfoil as test materials,we study a single planting of that three aquatic plants' impact on eutrophicated water DO, BOD, COD.

中文摘要：选择三种不同生活型水生植物慈姑（Sagittaria sagittifolia 、大薸、穗状狐尾藻为试验材料，研究了单一种植这三种水生植物对富营养化水体中的DO、BOD5、COD的影响。

I have been to her to eat the cod liver oil peter moller Norway.

我一直给她吃挪威peter moller的鱼肝油。

It has high removal rate for COD and NH〓-N etc.

反应器对COD和NH〓-N等污染物均具有很高的去除效率。

The results indicate that excellent nitration of NH,-N need the sufficient removal of COD to prevent the restrain of toxicant on the nitrobacteria.

指出NH_3-N完全硝化的前提是废水中COD的充分降解，以消除有毒物质对硝化菌的抑制作用。

Iii The effect of mechanical property nonhomogeneity in weld joint-heterogenous bodies on COD.

焊接接头非均匀体的力学性能非均匀性对COD的影响。获得了一些重要结论。

It is indicated by the results that using butanol,butanol residue and octene aldehyde residue as the extracting agent,the treatment of butanol wastewater will get a good result with the COD removed to be 83%～94%,u...

实验结果表明：以辛醇、辛醇残液和辛烯醛残液作为萃取剂，在废水pH值为1~3、萃取剂与废水的体积比为1∶(1~12)、温度为25~60℃条件下，对丁辛醇废水进行萃取处理，均可得到较好的处理效果，COD去除率可达83%~94%。

To help consumers, the working group recommends that these fish species should be labelled "oilfish" in English and "蜡油鱼" in Chinese as their common names, and no other names, including "cod", should be used.

为方便消费者，工作小组建议业界应标签该两种鱼类的中、英文俗名为「蜡油鱼」和「oilfish」，而不可使用任何其他名称，包括「鳕鱼」，作为其俗名。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样