Depending on practice in the work of regulating calculation of chaohu lake water storage,this paper gives the introduction of method of calculating the no closedown lake design low water controled by the man.

本文結(jié)合巢湖水量平衡調(diào)節(jié)計算的工作實(shí)踐久久精品无码一级毛片88AV，介紹了受人工控制影響的不閉塞湖泊設(shè)計枯水計算方法午夜福利在线观看网站。

Now the country hydraulic engineering construction's surrounding area several dozens square kilometers artificial lakes, lake both sides go around a mountain, the greenery onion onion, the lake water is limpid, in lake wild duck in groups, lake Zhongshan sex maniac person.

如今國家水利工程修建的方圓幾十平方公里的人工湖，湖兩面環(huán)山人人玩人人操人人摸，綠樹蔥蔥黄色视频在线不卡免费观看，湖水清澈，湖中野鴨成群呻吟av影院，湖中山色迷人九色最新地址。

The scenery of lake district is different along with the change of four seasons, in spring snow mountain melt Juan Juan snow-broth remit in lake, the cuckoo adornment surrounding country of mountain overflows , here is a slice of paradise of the wild animal who regains consciousness; In summer, between pale yellowish green forest, 100 flowers are opened greatly , have vast sea of clouds; In fall the lake water of dark blue fall to reflect the bank leaf with golden side, it is dry,crisp air of autumn; In winter cold congeal the earth, here, it is a slice of and peaceful.

湖區(qū)的景色隨著四季的變化而不同，春天一级大黄色视频，雪山融化的涓涓雪水匯入湖中欧美在线免，漫山的杜鵑點(diǎn)綴四野，這里是一片蘇醒的野生動物的樂園精品国产AV无码喷奶水；夏天jizz在线国产视频，蔥綠的林間百花盛開，云海茫茫在线视频免费理论片A片；秋天狼友免费视频观看网站，碧藍(lán)的湖水倒映著岸邊金黃的樹葉，秋高氣爽a级性爱；冬天一区雏呦在线观看，寒凝大地，這里一片寧靜高清无码激情。

In order to explore the feasibility of using native plant to evaluate and indicate water quality synthetically, we investigated the integrated evaluation and indication effect of Lemna paucicostata, an endemic species of Lemana in China to the water qualities of different sources（tap water, pond water pooled from rain rainwater uniquely, lake water received multiform sewage, and leachate）.

為探討利用我國本土植物進(jìn)行水質(zhì)綜合評價和指示的可行性免费黄色视频软件，試驗(yàn)研究了我國特有的浮萍屬植物——稀脈萍對不同來源水（自來水午夜福利视频网址、雨水為唯一來源的池塘水、接納多種排放廢水的湖水及垃圾填埋場滲濾液）水質(zhì)的綜合評價和指示效果全球最新免费A片大全。

Fe and Mn accumulate in surface when lake water is oxygenous, but diffuse to lake when water is anoxic.

湖泊中鐵日韩欧美乱伦中文字幕、錳圍繞著沉積物-水界面形成循環(huán)。

In this paper, RMA2 model and RMA4 model, which were developed by Coastal and Hydraulics Laboratory, Waterways Experiment Station, US Army Engineer Research and Development Center and officially recognized as standardized models in America, are introduced into the research of Wulihu lake water environment. This application study is helpful to the standardization of lake hydrodynamics and water quality numerical simulation in China.

本論文引入了在美國得到官方認(rèn)可的麻豆专区、由美國陸軍工程兵團(tuán)河道試驗(yàn)站開發(fā)的平面二維有限元水動力學(xué)模型RMA2與水質(zhì)模型RMA4午夜一级免费视频，并重點(diǎn)開展了RMA2和RMA4在五里湖中的應(yīng)用研究，為標(biāo)準(zhǔn)化淺水湖泊水動力與水質(zhì)數(shù)值模型作了償試性的工作91在线日韩国产。

Firstly,establish the ecological environmental protect strip around the lake,efficiently deal with the farmland drainage.Using the pump station at the end of gutter pumps water to irrigate reed wetland.To practice man-made raising reedland.Using biology to clean up water to reduce salinity,nitrogen and phosphorus.To desalt the Beston Lake water.

首先要確立環(huán)湖生態(tài)環(huán)境保護(hù)帶国产精品自在线拍国产下载，使大部分農(nóng)田排水得到有效處理，利用排水溝末端的揚(yáng)排泵站抽取農(nóng)田排出的水灌溉湖濱沼澤蘆葦网站网站AA片，實(shí)行人工育葦91啪在线观看，利用生物凈水作用減少入湖鹽量和脫氮除磷，促進(jìn)博斯騰湖水質(zhì)淡化美欧美屄。

The lake all around the willow tree create shades, lotus pond piece of Lian Zhuo a piece, has greenery blue Holland linked up into a single stretch with the lake water, where cannot distinguish clearly is the water, where was the shore.

湖的四周柳樹成蔭韩国三级毛片，荷塘一片連著一片，綠樹青荷已與湖水連成一片99精品国产这里只有精品，分不清哪兒是水91亚洲精品在线免费，哪兒是岸了。

Assume to there is a great deal of iron mine material in lake water of gorgeous red, present to there is abundant sulphur in lake water of blue and baby blue.

呈艷紅色的湖水中含有大量的鐵礦物質(zhì)欧日XX片，呈碧綠和淡青色的湖水中含有豐富的硫磺九九精品视频在播放一。

In view of the calculation of the start-up time difference of in-lake and out-lake pumping stations on the upper and lower lakes,this article researches on the following related contents,such as the necessary and sufficient conditions of start-up of out-lake pumping station,the relation between the start-up time of out-lake pumping station and rising velocity of lake water level.

針對南水北調(diào)南四湖上、下級湖各自調(diào)水的出欧美熟女精品视频一区二区三区、入湖口提水泵站開啟時間差的計算問題黄色视频在线观看www小说，開展了調(diào)水出湖提水泵站開啟的必要和充分條件、出湖提水泵站開啟時間和湖內(nèi)水位升高速率等相關(guān)內(nèi)容的研究高清无码在线观看。