Based on the tests in laboratory on the concrete composed of manufactured sand and fly ash,the relationships of the strength of concrete and the binder to water ratio are analyzed by the method of liner regression and the coefficient values of α-a and α-b are determined respectively.

根據實驗室內進行的人工砂混凝土和人工砂粉煤灰混凝土配合比試驗結果在线欧美黄片，采用線性回歸統(tǒng)計分析了人工砂混凝土和人工砂粉煤灰混凝土強度與水灰比的關系亚在线综合视频在线，求出αa亚洲日韩欧美第一页，αb系數草伊人久久。

The deltas differ from typical deltaic model.Deltaic front subaqueous distributary channel sand bodies and deltaic plain distributary channel sand bodies are the skeleton sand bodies of meandering stream-shallow sea delta and braided streain-shallow lake delta respectively but not tranditional deltaic front river mouth sand bars.

這兩類三角洲與經典的三角洲模式不同的是，三角洲前緣水下分流河道砂體和三角洲平原分流河道砂體分別構成了曲流河淺水海相三角洲和網狀河淺水湖泊三角洲的骨架砂體永久黄片，而不是傳統(tǒng)認為的三角洲前緣河口砂壩超碰在线日韩综合。

Sand production at oil wells on conventional plunger pump plunger often sand, sand buried rod, tube and plunger pumps sanding situation, etc., so that premature pump failure.

在出砂油井上，常規(guī)柱塞抽油泵時常出現砂卡柱塞美女A片一级a_级a毛片、砂埋抽油桿91最新国产中文字幕、砂磨泵筒和柱塞等現象色综合热无码热国产，使抽油泵過早掉效国产办公室毛片高潮A片。

The paper expounds systematically the strengthening mechanism,design calculations,construction process,quality control and quality inspection during cohesionless soil subgrade treatment by vibrating sunken tube sand pile,based on the practical application of vibrating sunken tube sand pile in sand-wash-and-filling subgrade treatment of Ganjiang Nanda Road.

結合振動沉管砂樁在贛江南大道沖填砂路基處理中的應用實踐，系統(tǒng)地闡述振動沉管砂樁在砂性土地基處理中的加固機理亚洲A∨无码乱码在线观着性色、設計計算一区二区免费视频在线观看、施工工藝、質量控制及質量檢驗日韩精品免费人成视频观看。

The Yushulin oilfield is located in eastern slope of Sanzhao seg of central sag zone in the northern part of Songliao basin. Its main oil-producing formations are Fuyu and Yangdachengzi oil layers of mesozoic group cretaceous. Its reservoir is fluvial facies sediment. Main sandstone is positive circle channel sandstone with calcium in the beneath, and microelectrode curve is box distribution function. Its secondary oil-producing formation is Yaoyi part of Putaohua oil layer. Its reservoir is delta front sediment. Main sandstone is subaquatic distributary channel sandstone, and microelectrode curve is box distribution function.

榆樹林油田處于松遼盆地北部中央坳陷區(qū)三肇凹陷東部斜坡欧美老人大屄到阴唇操逼视频，主要產油層系是中生界白堊系泉三国产日韩欧美最新、四段的扶余、楊大城子油層日韩精品无码9p，儲層為河流相沉積，主要砂體為有底鈣存在的正旋回河道砂體日韩无码啪啪片，微電極曲線形態(tài)為箱型影音先锋AV资源网无码,国产v；其次為姚一段的葡萄花油層，儲層為三角洲內前緣沉積久久精品微拍国产微，主要砂體為水下分流河道砂體99久久久久，微電極曲線形態(tài)為箱型。

It can be worked out by adding a fixed coefficient of correction to the granule free settling terminal velocity.

油氣井出砂開采或儲層出砂后的垂直井筒最小攜砂速度是井筒攜砂的重要設計參數美女黄片毛片在线看，一般的方法是對顆粒自由沉降末速附加一個固定的修正系數日韩精品无码一区二区三区99。

The enquiry of " coefficient of correction " in traffic volume forecast;2. It can be worked out by adding a fixed coefficient of correction to the granule free settling terminal velocity.

油氣井出砂開采或儲層出砂后的垂直井筒最小攜砂速度是井筒攜砂的重要設計參數，一般的方法是對顆粒自由沉降末速附加一個固定的修正系數日黄特一级黄色A片。

Sand control is the most difficult issue faced by operation of the unconsolidated sand reservoirs .

油氣井出砂是疏松砂巖油氣藏開采的主要矛盾色在线观看黄视频，傳統(tǒng)的防砂技術在防砂的同時影響了油氣井產能，并且防細粉砂的效果也不理想国产黄A一级毛片视频。

This article sums up a series of slotted screen design methods,including the corrosion resistance design and antiscale design,and defines slotted screen parameters according to their structure and working conditions,such as slotted width and length,slotted density and type and form, slotted screen strength and material,etc.

針對油井防砂完井優(yōu)配割縫篩管的需要一级一级一级一级毛片，從理論研究和應用實踐中，總結出一套割縫篩管的設計方法在线免费看一级片，其中包括割縫篩管的防腐設計国产三级片黑免费；割縫篩管的防垢設計；基于形成砂橋來控制地層砂的設計原則和基于完全阻止地層砂移動的設計原則來進行割縫篩管的縫寬設計久久久国产一级AV片；割縫篩管的面密度的設計(包括裸眼井用割縫篩管)免费视频网站嗯啊轻点视频；割縫篩管的縫長設計。

In order to know physical properties of Eogene reservoir origin type in Gudong area clearly,the physical properties of the main reservoir origin types were studied in detail including sandbodies of braided-river delta, meandering-river delta, shallow lake and bathyal lake.

為詳細了解孤東地區(qū)古近系儲層成因類型的物性特征，分別對其主要的儲層成因類型———辮狀河三角洲砂體亚洲无码激情、曲流河三角洲砂體亚洲图片欧美日韩、淺湖砂體和半深湖砂體的物性做了詳細研究。