As the same section is concerned, near the bottom the maximum value of frequency appear within 1mm of bubble size, towards the water face this value tend to decrease, yet the corresponding size turns to increase; in the same time, the frequency is concentrated near the bottom and deconcentrated near the water face; under the experiment condition, the maximum frequency of the total section approximately appear at 0.5mm size; mean bubble size access 0 at bottom and increase acceleratively towards water face where tend to be infinite; total number increase during developing of aeration, and become steady when reach wholly developed area; on the same section, the total number in unit time tend to increase at first and decrease then, along the water depth.

對于同一斷面欧美性爱久j草影院，靠近槽底的測點氣泡個數(shù)分布最大值出現(xiàn)在氣泡尺寸小于1mm的范圍內(nèi)，朝水面方向各測點氣泡個數(shù)分布最大值呈減小趨勢任我操在线，而其對應(yīng)尺寸則呈現(xiàn)變大趨勢在线播放欧洲免费人成视频；在靠近槽底，個數(shù)分布表現(xiàn)得比較集中免费人成网站免费看视频，而在水面附近氣泡個數(shù)分布曲線表現(xiàn)得低而平緩福利视频观看；實驗條件下，整個斷面上的氣泡個數(shù)分布的最大值大體上出現(xiàn)在尺寸為0.5mm的地方妓女视频一区二区；氣泡平均尺寸在槽底處接近于0而朝水面方向迅速增大蜜桃无码成人影片在线播放视频网站，且越接近摻氣水流的水面，增加速度越快www.av黄，最終趨于無窮大日韩一级a欧美水蜜桃；氣泡總數(shù)在摻氣發(fā)展區(qū)內(nèi)是沿程增加的，當(dāng)摻氣水流發(fā)展到一定程度后氣泡總數(shù)就基本保持不變了免费视频,国产精品；在同一斷面上国产原创精品无遮挡v视觉影院，各測點單位時間內(nèi)的氣泡總數(shù)隨高度呈現(xiàn)出先增加后減小的趨勢。

In order to study the double bottom fermentation under solid conditions, the technique of yellow water closure was applied to make bottom grains not steeping by yellow water, to make yellow water flow smoothly without passing bottom grains and to make the quality of bottom grains not affecting by yellow water.

研究固態(tài)條件下的雙輪底發(fā)酵亚洲成l人在线观看线路，我們采取截流黃水的方法久999，使黃水不浸泡雙輪底糟和在滴窖時不經(jīng)過雙輪底糟就能順利滴出，雙輪底糟的質(zhì)量不受到黃水的瓜分和影響精品亚洲欧美国产日韩AV无码。

The results show that the increasing load of organic pollution from the bottom water of the cagecultuered region is...

結(jié)果表明aaaa69，網(wǎng)箱養(yǎng)殖區(qū)底層水體有機(jī)污染負(fù)荷量的增大，是造成養(yǎng)殖水體惡化的關(guān)鍵因素国产清纯。

The results of this study are of significance to development of positive rhythm reservoir with bottom water by horizontal wells.

研究結(jié)果對于正韻律底水油藏的水平井開發(fā)具有重要意義黄色网站毛片网站。

First, they considered the possibility that seasonal upwellings of toxic or oxygen-poor bottom water were responsible.

首先，他們考慮了有毒的或者無氧的底部水流的季節(jié)性上升造成這種災(zāi)難的可能性久久精品兔费99国产精品。

Head facing the bottom. Water, washing over the top of her head.

面向水底久久99久久992019，水從她的頭頂上流過。

Benthic foraminifera are now widely used for estimation of surface productivity of the ocean and the oxygen content of the bottom water.

底棲有孔蟲被廣泛應(yīng)用于估算海洋表層生產(chǎn)力和底層水團(tuán)的含氧量国产特a毛片。

First, they considered the possibility that seasonal upwellings of toxic or oxygen-poor bottom water were responsible.

首先亚洲毛片在线直播大全，他們認(rèn)為有可能是湖底水中含有毒素或者含氧量不足，其季節(jié)性上涌造成生物大量死亡后插入黄色视频。

Depending on the geometry of gas-cap and oil column, the physical property and geometric shape of reservoir, and the mobility of edge and bottom water, the multiple oil-driving mechanisms exist in gas-cap reservoirs where there are gas-cap and oil/gas interface, and the recovery factor changes a lot because the oil/gas interface moves during exploitation of gas-cap reservoirs and it is very difficult to adjust and control the oil/gas interface.

氣頂油氣田因氣頂及油氣界面的存在2021免费三级片，同時因氣頂和油環(huán)的大小、儲層物性亚洲三级片久久91、幾何形態(tài)不同和邊底水活躍程度不同日批国产，致使氣頂油氣藏在開采過程中具有多種驅(qū)油機(jī)理，采收率變化較大91无码白浆丝袜在线播放，這關(guān)鍵是氣頂油氣藏在開發(fā)過程中存在油氣界面的移動問題手机日韩精品第一页在线观看免费，而調(diào)整和控制油氣界面是相當(dāng)困難精品久久久久久无码中文字幕。

November 20, 1943: Under attack from Japanese machine gun fire on the right flank, men of the 165th Infantry are seen as the wade through coral bottom water on Yellow Beach Two, Butaritari, during the assault on the Makin atoll, Gilbert Islands.

43年11月20號：在日本機(jī)關(guān)槍襲擊了右翼，第165步兵師的官兵被視為通過珊瑚黃河灘二亚洲精品综合欧美极品，布塔里塔里你懂的视频在线播放，底水涉水，在馬金環(huán)礁上舔操干视频，吉爾伯特群島的攻擊无码爱爱视频网址。