alluvial sand ripples

The results show that the minimum fluidization velocities and mixing are affected by the mass fraction of sludge pellets and river sand.

在內徑φ105 mm、高800 mm的冷態流化床實驗裝置上進行了污泥顆粒與河砂混合流化特性的實驗研究,獲得了污泥顆粒水分、污泥顆粒與河砂的質量比對混合物料的流化特性的影響規律。

And the rezults show that,in West River there is a very high probability of existing the alkali activity of sand,and some samples from East River appear to have potential alkali activity,but North River sand can t finally be judged whether it has potential alkali activity or not.

河砂的堿活性對工程結構的破壞能力至今雖然還沒有定論,但其影響是不容忽視的。

It takes 9 days to have stable Fe removal with a filter chamber filled with sand and 2 days for the filter chamber of manganese mineral filtration.

研究了以河砂和錳砂為填料時,接觸氧化濾柱對鐵錳的去除效果以及反沖洗對去除效果的影響。

Cheap sand was used as filtration material in the biological contact oxidation filter to study the effects of Fe removal under different conditions.

以廉價的河砂為濾料,研究了接觸氧化裝置對鐵的去除效果。

Application effects of medium with different proportion of rotten peanut bran and sand were studied in tobacco seedling raising in the floating system.

將腐熟花生糠與河砂以不同比例混配成基質,研究其在煙草漂浮育苗上的使用效果。

Property test and study for RCC of artificial diabase sand mixed with fluvial sand;

輝綠巖人工砂摻河砂碾壓混凝土性能試驗研究

By mixing the artificial diabase sand with fluvial sand, rock silt percentage is reduced and sand grading adjusted.

對百色工程采用輝綠巖人工骨料特性,巴馬克制砂石粉含量高,級配不連續,中間級配缺乏,通過在輝綠巖人工砂中摻部分河砂技術方案,降低了石粉含量,調整了砂級配,對人工砂摻河砂碾壓混凝土性能進行了試驗研

Sequence boundary types and logging identification of Donghe sandstone in HD4 oilfield,Tarim Basin;

塔里木盆地哈得4油田東河砂巖層序地層界面類型及測井識別方法

Using diagenetic facies to analyze heterogeneous reservoir of Donghe sandstone of east slope of Lunnan,Tarim Basin;

用成巖巖相分析法剖析輪南東斜坡東河砂巖非均質性儲集層

Characteristics of Carbonate Cement in Donghe Sandstone and Its Effect on Reservoir;

東河砂巖中碳酸鹽膠結物特征及對儲層的影響

Sedimentary periods of Donghe sandstone and hydrocarbon exploration in Tarim Basin

塔里木盆地東河砂巖沉積期次及油氣勘探

DIAGENESIS AND CONTROLLING FACTORS OF RESERVOIR QUALITY OF DEVONIAN DONGHE SANDSTONES IN CENTRAL TARIM BASIN

塔里木盆地中部泥盆系東河砂巖成巖作用與儲集性能控制因素

Processing and Interpretation Integrative Study of DongHe Sandstone Stratigraphic Trap in HD4 Oilfield, Tarim Basin;

塔里木盆地哈得四油田東河砂巖隱蔽油藏處理解釋一體化研究

Reservoir Characteristics and Evaluation of Donghe Sandstone of the Upper Devonian in Tarim Basin

塔里木盆地上泥盆統東河砂巖段儲層特征及評價

FACTORS AFFECTING THE PRODUCTION RATE OF HORIZONTAL WELL IN THE EDGING AREA OF DONGHE SANDSTONE RESERVOIRS IN HADEXUN OILFIELD

哈得遜東河砂巖油藏外圍水平井合理配產影響因素分析

Study of water injection damage in low permeability sandstone reservoir of Donghe CⅢ~1 reservior

東河CⅢ~1巖性段低滲透砂巖儲層注水傷害實驗研究

THE PRELIMINARY STUDY ON THE PROSPECTS OF SANDSTONEURANIUM METALLOGENESIS IN KONGQUEHE MONOCLINAL AREA OF TARIM BASIN

塔里木盆地東北緣孔雀河斜坡帶砂巖型鈾成礦前景初探

Mechanism Study of Sand Production and Sand Control of Unconsolidated Sandstone Oil Reservoirs in Bamianhe Oilfield;

八面河油田疏松砂巖油藏出砂與防砂機理探討

The Comparative Analysis of Diagenesis of Outcrop Sandstones and Core Sandstones in Chengzihe Formation、Muling Formation, Jixi Basin

雞西盆地城子河組、穆棱組露頭砂巖與巖芯砂巖成巖作用比較分析

Depositional-diagenetic coupling complex of Xujiahe sandstone in Hebaochang Block in the south part of the Central Sichuan Basin

川中南河包場須家河組砂巖沉積—成巖作用

This channel is filled with cross-bedded sandstone.

該河邊充填著具交錯層理的砂巖。

The subsidiary channels have a thickness in the range 6-12 m.

次要河道砂巖體的厚度為6-12米。

For a moment, the sandstone banks appeared, and in a flash they were gone.

砂巖的河岸出現在眼前，然后一閃即逝。

Anisotropic Properties of Sandstone and Slate at Lianghekou Hydropower Station

兩河口水電站砂、板巖各向異性的研究

The channel is overlain by siltstone and lenticular beds of limestone.

河道上面覆蓋著粉砂巖和石灰巖透晶體。

lithic arkosic wacke

巖屑長石砂巖質雜砂巖

Water Consumption Appraisal of Sandstone Reservoir of Paleogene in the Dongying Sag

東營凹陷古近系砂巖儲層成巖耗水評價

Discussion on Hydraulic Sand Fracturing Technique in Low Porous, Low Permeable Sand Reservoirs of Carboniferous System in Tahe Oilfield

塔河油田石炭系低孔低滲砂礫巖儲層水力加砂壓裂技術探討