The main results are given as follows: Up to now,West Lake is eutrophic based on physical and chemical factors and zoobenthos after ecological treatment engineering; The ecological engeering has a little effect on zoobenthos community strcture, and most of zoobenthos belong to eutrophic species and mollusca species was absent,surprisedly, two exotic species Nephthys oligobranchia and Limnoperna sp.

研究中主要的成果為：不論是理化指標還是底棲動物指標顯示，實施生態(tài)治理工程后西湖仍屬于富營養(yǎng)化湖泊亚洲福利片网站，西湖屬于V類甚至劣V類水體.9x9x色福利骚网。

To investigate the mechanisms of biohydrogen production by anerobic fermentation of solid organic waste, gas chromatography is used to analysis the biogas and volatile fatty acid in anaerobic bio-reactor. Firstly, the ability of hydrogen production by digested sludge from the West Lake, Enteobacter aerogences, digested sludge from sewage farm, the fluid of methane pool and dejecta have been studied. The rule of the ability of hydrogen production by different bacteria under different control condition. Simultaneity, the importance of the synergistic effect on hydrogen production has been proved.

本文首先選用西湖底的厭氧活性污泥、產(chǎn)氣腸桿菌黄网站在看视频在线、污水處理廠的淤泥秋霞免费理论片在线观看最新电影、沼氣池發(fā)酵液以及豬糞等不同菌群對廢棄食物——馬鈴薯進行厭氧發(fā)酵產(chǎn)氫特性實驗研究，得到馬鈴薯在各不同菌群及工況下的發(fā)酵產(chǎn)氫能力国产精品视频7171，同時發(fā)現(xiàn)產(chǎn)氫菌間的協(xié)同作用很重要久久一免费视频，在控制好發(fā)酵條件的情況下，產(chǎn)氫菌群發(fā)酵通常會好于單一產(chǎn)氫菌的發(fā)酵国产精品视频馒头一线天。

Using this varve dating results, we calibrate the other dating methods (radiocarbon dating and U-series dating) which were carried out in Lake Sugan. It was found that in the Little Ice Age with clastic varve type, radiocarbon dating has 2630 years radiocarbon reservoir effect, while beyond the LIA, the radiocarbon reservoir changed as the time passed.

通過已經(jīng)得到驗證的年紋層年齡-深度序列老熟妇BBWXXXXXTV，對蘇干湖其它測年手段~(14C測年和鈾系測年進行驗證，發(fā)現(xiàn)在碎屑類紋層沉積階段即小冰期階段十八禁欧美日韩，水生植物殘體的~(14)C測年存在2630年碳庫效應(yīng)最新无码专区视频在线观看，小冰期以外時段碳庫效應(yīng)責隨時間變化。

The effect of replacing the water in West lake is mostly rested on the area which can be replaced and the influx, whenas the size of the area is mostly related with field structure.

西湖水體的置換效果主要取決于可被置換區(qū)域的面積和引水量在线播放黄片精品，而可被置換區(qū)域大小主要取決于流場結(jié)構(gòu)。

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行水質(zhì)綜合評價和指示的可行性殴美性爱网，試驗研究了我國特有的浮萍屬植物——稀脈萍對不同來源水（自來水免费欧美三级片、雨水為唯一來源的池塘水99精品久久久久久久、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。

The effect of temperature on the population growth of Brachionus calyciflorus from the Nanhu Lake was studied at 15, 25 and 35℃ by population accumulative culture. The rotifer was fed with Scenedesmus obliquus at a concentration of 5.0×10^5 cells/mL.

應(yīng)用群體累積培養(yǎng)法黄色精品在线播放，以濃度為5.0×l0^5 cells/mL的斜生柵藻為食物www久，研究了溫度（15、25和35℃）對南湖水體萼花臂尾輪蟲種群增長的影響www.艹逼.com。

Rowing on the lake on a moonlit night, one will see the reflection of the moon appearing fitfully on the ripply waters, creating a mystifying effect on the eye

每當月明之夜人成免费变态网站网址，蕩舟湖心，一輪月影在微波中閃爍国产性爱短视频，煞是好看黄网站直接观看。

However, in this article, it is quite misleading that the way the author described Poyang Lake. This example, to some extent, is unproper and ulterior-motived so that the effect is remarkable.The figure 4000-50,everyone is shocked!

但在這篇文章中，對于鄱陽湖的不準確最新国外哟哟aⅴ网站、錯誤的描述是具有誤導性的A一级特黄大片强奷全过程，這個例子被不恰當?shù)摹e有用心的使用了小说区图片，（并且其效果非常好制服美女视频一区，4000→50，非常震撼^_^）一级a爱做片无码免费手机在线。

The premises of the simulation are that the runoff from upreach is 7.8× 108m3/a and the means of economization on water is in effect. When studied it was thought firstly the water for the lake area and the living plant of the oasis, then for forest-sod irrigation and farmland irrigation.

模擬計算是以上游下泄水量7.8×10~8m~3／a為前提條件欧美三级电影视频网，在實行節(jié)水措施，完善供水系統(tǒng)的情況下久久午夜精品A级毛片，首先滿足維持和恢復一定規(guī)模湖泊面積欧美日逼性交，保證綠洲植被正常生長所需水量，然后考慮林草灌溉用水和農(nóng)田灌溉用水量成年人啪啪视频无码。

In the paper,the photosynthesis effect of plant under the water in the lake on DO and pH is discussed,and an algorithm for predicating this change in DO and pH is presented.

文章研究了湖泊中水下植物光合作用對湖水DO和pH的影響AA极黄片，提出了預測DO和pH變化的計算方