At the end of it, the Makans had invented the qanats , underground drainage galleries that bring water from an aquifer on the piedmont to the gardens or palm groves on the plains.

年底，該Makans發(fā)明的坎兒井日本黄色视频高清网站，地下排水畫(huà)廊老熟女毛多一区二区，把水從一個(gè)含水層的山前花園或棕櫚園的平原欧美日韩高清国产AⅤ一区。

The tracer migration test in horizontal assembly is an important part of the field tracer migration test of nuclides in aquifer.

在水平組件中的遷移試驗(yàn)是核素在含水層遷移試驗(yàn)的重要組成部分欧美亚洲小说动漫综合。

In the process of excavating the foundation pit and tunnel of the subway, it isdifficult to deal with the perched water, the saturated water in the aquiclude, as wellas the remaining water on the aquifer surface.

在地鐵基坑和隧道開(kāi)挖施工過(guò)程中日本加勒比人人操人人爱人人操人人爱，會(huì)經(jīng)常遇到弱透水性的飽水層，這些地層在開(kāi)挖后會(huì)出現(xiàn)側(cè)壁滲水和在含水層界面形成殘留水三级黄色性交片，會(huì)對(duì)隧道的整體穩(wěn)定產(chǎn)生一定的影響亚洲精品视频在线观看你懂的。

The removal rate of nitrate-nitrogen arrives at 100 percent, but the removal efficiency is bad in sand column with aquifer material, in which denitrification is very wear.

首次開(kāi)展含有苯胺污染的河水在模擬的渭河滲濾系統(tǒng)中的凈化機(jī)制及凈化效果的研究，不同結(jié)構(gòu)的滲濾系統(tǒng)其凈化效果及機(jī)制也不同野外一级黄色网站。

The objective of this study was to compare and differentiate the different removal mechanisms of the dissolved organic matter in the secondary effluent during the granular activated carbon adsorption, horizontal subsurface flow wetland treatment, sand column treatment, laboratory-scale soil aquifer treatment and GAC+SAT.

通過(guò)模擬活性炭吸附日韩高清自拍AV网址、砂柱處理、土壤含水層處理欧洲亚洲尤物综合精品香蕉、GAC+SAT及潛流式人工濕地處理實(shí)驗(yàn)男人舔女人下面视频，研究了城市污水處理廠二級(jí)出水中溶解性有機(jī)物在吸附、生物降解及生物與吸附的共同作用等具有不同DOC去除特點(diǎn)的處理過(guò)程中的去除及轉(zhuǎn)化機(jī)制久久99黄色网站。

To settle the traditional conflict between aquifer protective mining, and to enhance the coal recovery ratio to the maximum, based on the protection mining technique in longwall coalface with rapid mining.

為解決淺埋煤層保水與采煤這一矛盾国产一级A片免费视频性开放，并最大限度的提高煤炭資源回收率，神東礦區(qū)上灣煤礦51201大采高長(zhǎng)壁綜采工作面進(jìn)行了保水開(kāi)采工業(yè)性試驗(yàn)日韩午夜在线观看网站免费下载。

The hydrologists often use a graphical or numerical method to analyze pumping test data for estimating aquifer parameters based on the homogeneity assumption.

過(guò)去在檢定地下水含水層的參數(shù)yinyuan国产精品，大多利用抽水試驗(yàn)，再以圖解法或數(shù)值方法來(lái)分析泄降數(shù)據(jù)以推求參數(shù)值欧美A黑人AⅤ精品视频，但這些方法皆假設(shè)水層為均質(zhì)。