It is useful to reduce the occurance of acid mist by adding erosion retardant and surface activity into acid which has been used in some industries.in the developed province and city, the bureau for enviroment protection calls on all enterprises to process the heated zincification water and prohibit from drainage, all enterprises should process the rinsed waste water and plating-aid waste water,however it remains to be strengthened across the country for the process of three wastes come from heated zincification

在酸中添加緩蝕劑和表面活性劑可以減少酸霧的產(chǎn)生三级片在线免费观看网站，已在一部分企業(yè)中得到應(yīng)用四川农村女人一级毛片。在發(fā)達(dá)省市，環(huán)保部門要求企業(yè)必須對(duì)熱鍍鋅廢水進(jìn)行治理三级大黄，不得外排国产精品99久久精品，企業(yè)對(duì)漂洗廢水、助鍍廢液均進(jìn)行處理亚洲图库在线，但全國范圍內(nèi)對(duì)熱鍍鋅的三廢治理還需加強(qiáng)麻豆精品在线观看视频。

After water treated by LVEF, the scaling ions in the water will be transformed into active fine crystal nucleus which scattering in the treated water by the electric field. These crystal nucleuses have lower surface energy and greater active surface area.

水經(jīng)低壓電場處理后，水中成垢離子會(huì)優(yōu)先在電場中析出并形成活性微晶核分散在處理水中蝌蚪黄片小辣椒视频，這些微晶核具有較高的表面能和較大的活性表面一级做a爱黑人又硬又粗，它們更容易吸引水中的成垢離子，從而阻止在換熱表面形成垢核并繼續(xù)長大久久国产无码专区一区二区，從而達(dá)到阻垢的目的在线免费看黄高清无码网站。

Taking for examble adamic earth ,a special clay abundant in combined water,and examining its opening and the water in it,the author discusses the influenec of combined water on clay s saturation computing.

以富含結(jié)合水的特殊粘土——紅粘土為例，研究其孔隙特征及其中水的性狀黄色视频亚洲免费电影，并討論了結(jié)合水對(duì)紅粘土Sr計(jì)算值的影響人人操人人干人人射人人爱人操。

The core issue of nutrient control was focused and the dynamic studies on phosphorus pollution of the whole watershed were conduced: 1 to highlight the non-point source pollution control, which is the difficulties research subject of water resource protection; 2 to perfect the calculation method for phosphate input and output, providing important basis on decision making for nutrient control; 3 to establish database and water quality model, to predict the water quality response after different phosphorus control schemes realized; 4 to determine admissible phosphorus loading and control standard according to the quantitative relationship between the external force function (mainly the exotic nutrient salt concentration or loading) and internal nutrient state response, and to work out the effective and practical techniques for eutrophication control.

圍繞營養(yǎng)鹽控制的核心問題，進(jìn)行全流域范圍磷污染的動(dòng)態(tài)研究：1）突出了目前我國水資源保護(hù)研究難點(diǎn)—非點(diǎn)源污染控制人妻少妇一级大黄片视频在线无码免费看；2）完善了流域水庫磷鹽收支計(jì)算方法女人內射色人人在线，為流域營養(yǎng)鹽控制決策提供了重要依據(jù)；3）建立數(shù)據(jù)庫和水質(zhì)模型十大黄色免费网站，預(yù)測了在實(shí)施不同磷削減控制方案后流域供水水質(zhì)的響應(yīng)情況视色网视频在线；4）根據(jù)湖泊外力函數(shù)（主要是外來營養(yǎng)鹽濃度或負(fù)荷）與湖庫內(nèi)營養(yǎng)狀態(tài)響應(yīng)間的定量關(guān)系，確定了磷允許負(fù)荷量及控制標(biāo)準(zhǔn)中文一级免费视频，提出了有效的富營養(yǎng)化控制實(shí)用技術(shù)久久精品无码亚洲一区二区。

Also, take steps to increase water movement, such as ensuring there is good water circulation, add a fountain to aerate water, and add oxygenating plants.

同時(shí)，采取措施午夜福利網站AV，提高水的運(yùn)動(dòng)黄色网站十八岁免费，如確保有良好的水循環(huán)，增加一個(gè)噴泉九九精品视频在线播放8，以通氣水无码专区视频一区古典武侠，并放入充氧植物。

Water hysteresis in aerated zone of soil is significant to the development and utlization of water resources as well as the protection of water environment.

在水資源開發(fā)利用與水環(huán)境保護(hù)方面99热在线这里只有精品3，包氣帶土壤水分滯留曲線非常重要99插插插。

In order to improve Guanting Reservoir water quality, Ministry of Water Resources and Ministry of Science and Technology put a pilot study on Biological Aerated Filter for Guanting Reservoir Water Source.

為改善官廳水庫水源水的水質(zhì)国产精品午夜激爽毛片，水利部、科技部提出官廳水庫水源水曝氣生物濾池工藝的試驗(yàn)研究日本视频中文字幕在线。

Liquid state drink:Fresh fruit juice, soda water, aerated water, mineral water, energy drink, tea drink.

液態(tài)飲料：鮮果汁欧美一级欧美三级视频在线播破处女、蘇打水、汽水www.欧美专线电影、礦泉水在线观看免费播放国产一区在线、功能飲料、茶飲料偷拍久久丝袜免费视频。

The more the water is polluted, it's not used for anything, the least polluted water is supplied to places where Water is used affluently.

水污染的越是嚴(yán)重在线可以直接观看的黄色视频。，那么它將無法被利用；而污染較為輕微的水則可以輸送到那些需大量用水的地方去使用色先锋玖玖av资源部每次更新。

Oil/water two-phase flow is very common in oil production wells of affusion oil field and the measurement of oil/water two-phase flow is the key of the oil/water two-phase profiling technique.

摘要注水開發(fā)油田的油井中普遍存在油水兩相流動(dòng)最新国产乱伦视频，油水兩相流測量問題是油水兩相產(chǎn)出剖面技術(shù)的關(guān)鍵。