查询词典 removal

One-step autotrophic nitrogen removal process, which means theexperiment is carried out in one re.

单级自养脱氮技术就是在不外加有机碳源且在一个反应器内实现脱氮的积极探索，该工艺具有简易、高效、低能耗的显著优点。

The test also reveals that the removal of CODCr could not keep in pace with that of ammonia in the process of film formation , while the increasing rate of the aerobic heterotrophic bacteria is higher than that of the autotrophic nitrobacteria in the process of biological film growth.

试验还显示，挂膜过程中，CODCr 和氨氮的去除率的提高不是同步的，生物膜增长过程中，好氧异养菌的增殖速度较快，硝化菌的增殖速度较慢。

The results showed that both continuous and intermittent aeration system could implement completely autotrophic nitrogen removal.

结果表明，连续和间歇2种曝气方式均可实现单级自养脱氮，在进水氨氮浓度为160 mg/L左右，温度30℃±2℃，pH值7.8～8.2，HRT为2 d，DO为0.8～1.0 mg/L的条件下，连续曝气系统的氨氮转化率和总氮去除率分别达到80%和70%。

To improve the performance of single SBBR completely autotrophic nitrogen removal system and study the influence of aeration/non-aeration ratio on it, four reactors were applied in the experiment.

为提高SBBR单级自养脱氮系统脱氮性能并考察DO和曝/停比对SBBR单级自养脱氮系统的影响，采用4组对比试验进行研究。

The effects of the initial NH+4-N, DO and pH on the completely autotrophic nitrogen removal performance of the granular sludge were investigated in batch experiments.

采用间歇实验，考察了初始NH+4-N浓度、DO浓度和pH对颗粒污泥完全自营养脱氮的特性的影响。

objective to examine the length of time between complete bilateral ureteral obstruction and the occurrence of severe azotemia and to investigate the relationship between removal of obstruction time and renal function recovery.

目的 探讨家兔在双侧输尿管完全梗阻至重度氮质血症发生时段及解除梗阻时段和肾功能恢复的关系。

As a result, Business card printing and membership card removal without making the background color of the color printing and large area when possible drying fast, large envirogluvtm thixotropism.

因此，制卡和会员卡制息操纵经过底色去除的不暗白印品和不小背积实不天时，答只管即便拔取潮燥迟、触变性不小的油不朱。

Fe and Mn removal from groundwater by a contact oxidation process and the effects of backwash were studied.

研究了以河砂和锰砂为填料时，接触氧化滤柱对铁锰的去除效果以及反冲洗对去除效果的影响。

And the effects of casting speed on surface fluctuation,surface bareness,slag entrapment and removal of inclusions in the mold were investigated.

通过物理模拟研究FTSC结晶器内的钢液流动行为，考察了拉速对结晶器内液面波动、液面裸露、卷渣及夹杂物去除的影响作用。

Last year, which the farmers complained that removal of barnyard grass is futile

哪个农民抱怨去年拔除稗草是徒劳？

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