Conversion of ferrous to ferric iron occurs readily upon aeration at PH 7 . 0-7. 5.

The zone between the water table and the surface is called the zone of aeration.

潜水面与地表之间的地带称为饱气带.

Such a traditional division of the zone of aeration is useful for illustrative purposes.

为了说明的目的,包气带的传统划分是有用的.

This adversely affects water movement, permeability, and aeration.

这对水分移动, 渗透度及通气性有不利影响.

Aeration from the bottom of the bin fluidizes the charge.

从料箱的底部吹入空气使物料流化.

Those that are used should be equipped with adequate aeration.

这些部位应当配置有适当的充气.

This is true for BOD removal, aeration and biological growth.

这对生化需氧量的去除, 通气,生物生长都是适用的.

Theoretically sludge yield is nil for the extended aeration process.

对延时曝气法而言,理论上污泥生成量应为零.

The paper studied the hydraulic characteristics of the side wall aerator by using the numerical simulation.

采用数值模拟的方法,研究了侧墙掺气坎的水力特性.

It is thought rational and feasible to the JHX multi-stage jet floating vessel after the aerator.

认为将JHX 多级 射流浮选罐设在生化曝气后合理可行.

The feasibility to adopt the self-priming jet aerator for and medium-sized oxidation ditches has been discussed.

分析了 中小型 氧化沟采用自吸式射流曝气器的可行性.

A model flow velocity was built up for simulating of flow rate in the water-lifting aerator.

建立了扬水曝气器上升流速数学模型,用于模拟计算扬水曝气器的提水能力.

The optimum aperture of an aerator is smallest at the water depth of 4 m.

一般水深在4m左右,曝气器的最优孔径最小.

The length of air cavity is an important factor in design of lateral aerator.

侧空腔长度是侧墙掺气坎设计时考虑的重点内容.

Jet aerator especially self-suction jet aerator can meet the need well.

射流曝气,尤其是自吸式射流曝气就可较好地满足这一要求.

His skills in aerial tumbling, balance, flexibility, and originality are really marvelous.

他的空翻技巧 、 平衡技术 、 灵活性以及创新性简直太棒了.

Aircrafts are the most common aerial crafts.

飞机是我们最常见的航空器.

For example, Iraq had a program to modify aerial fuel tanks for Mirage jets.

例如, 伊拉克计对其幻影战斗机的油箱进行改造.

IKONOS imagery has high spatial resolution which looks like aerial photos.

IKONOS图像的空间分辨率很高,可与航空像片媲美.

Companymanagement scope: Sea, aerial transport import and export freight transportation international agency business.

公司经营范围: 海 、 空运进出口货运的国际代理业务.

Not erect any external wireless or television aerial or satellite dish.

23不安装任何额外无线或电视天线或卫星台.