細粒砂 的英文怎麼說

中文拼音 [shā]
細粒砂 英文
fine agained sand
  • : 形容詞1 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
  • : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
  • : 名詞(沙子) sand; grit
  1. After analyzing of the whole situation, granularity is smaller. the lithology of chang 6 oil - bearing is a set of felspar sandstone. little of them are rock - scraps felspar sandstone

    通過研究發現延長組6段儲層巖為一套中?長石巖及少量粉巖,油層組巖遠離物源區,成分單一,表明其物源穩定。
  2. The dominant storage space is the solution micropores, the honeycomb - like solution pores and the kaolinitic intercrystalline pores. the pore throat is small to very small. the main characteristics of the reservoirs are low porosity and low permeability

    巖的儲集空間以內溶孔、間溶孔、高嶺石晶間隙等次生微孔隙為主,具有孔徑小喉道的特點。
  3. These may range from coarse silt to sand or pebble size.

    這些顆的大小變化范圍,從粗粉級到級或級。
  4. These particles range from coarse silt to sand or pebble size.

    這些顆的大小變化范圍是從粗粉級到級或級。
  5. Setenaly according to the analyses from selected profiles, we know that, it is cold and dry in this region during the early holocene when east asian winter monsoon ' s influence is obvious, so, it is a transition period from sand deposit to sandy soil deposit, when the layers become thinner gradually from north to south. during middle holocene, it is warm and humid, influenced evidently by east asian summer monsoon, so, it is an obivious pedogenesis, when there are generally well - developped holecene palaeosol ( so ) from north to south, and the pedogenesis in the south is better than that in the north, the soil is also thicker than that of the north. from late holocene to now, the climate changes to be dry and cold, but its changing scope is smaller than that of last glacial period

    2 、就所選剖面分析來看,本區在全新世早期氣候回返,相對較寒冷乾燥,東亞冬季風影響較明顯,此時為沙層堆積向質土壤過渡,自北至南堆積的沙;全新世中期氣候溫暖濕潤,東亞夏季風影響顯著,此時為明顯的成壤期,表現在自北至南普遍可見發育較好的黑壚土層,且南部的成壤作用比北部好,土壤的厚度也要大;全新世晚期至今,氣候向乾冷方向轉化,但變化幅度遠小於末次冰期。
  6. Through reiterative study over years by the author, a new principle to express the relation between aggregate particles size and the surface area was proposed, that is the specific granularity, which could solve the problem of lack of correlation of fineness modulus to the specific surface area of the sand

    摘要經多年反復研究,發現了集料度與表面積關系法則,提出了以「比度」表述度的新方法,解決了以「度模數」表述度的不足之處,即解決了度模數與不同子的比表面積沒有相關性的問題。
  7. The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage

    系統的儲層特徵研究表明,該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口壩及三角洲平原水上分流河道微相長石巖、粉巖;儲層巖石經歷了壓實,膠結,溶蝕等成巖作用,歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期( b亞期)膠結充填孔隙縮小期三個成巖-孔隙演化階段;儲層物性總體上具有較低孔滲、低孔滲的特點,孔隙類型主要為間溶孔、殘余間孔隙、內溶孔、晶間孔及晶間溶孔,裂縫不發育,儲集巖排驅壓力和中值壓力較高,孔隙結構類型以小孔-微孔隙,微喉-微喉型為主。
  8. Grain gradation, from coarser below to finer above in repeated, truncated sequences within the ellerslie sandstone is also evident.

    在埃勒斯萊巖層段內,重復出現的截頂層序中,自下而上,由粗變級遞變也是明顯的。
  9. Material composition of the particles according to size, can be divided into beach gravel beach ( pebble beach ), sand beaches and fine sand beaches

    按組成物質顆的大小,海灘可分為礫石灘(卵石灘) 、粗灘和灘。
  10. These internal - tide deposits can be classified into four basic types according to their features, i. e., bi - directional cross - laminated fine - grained sandstone, unidirectional cross - bedded and bidirectional cross - laminated medium - grained to fine - grained sandstone, rhythmic thin alternating beds of sandstone and mudstone, and oolitic limestone

    這些內潮汐沈積進一步劃分? 4種類型:雙向交錯紋理巖型、單向交錯層和雙向交錯紋理中巖型、韻律性泥巖薄互層型和鮞灰巖型。
  11. By the phenomenon came from critical sand - gravel granular mixtures slope experiment, the falling causation, form, scale, and preventing principal in sliding - sand slope were discussed. the causation can be drawn : the slope received sands from the slope top continuously ; non - uniform degree and granular size in strong weathering environment may be changing ; and the restrain in slope foot was weakened. these factors, cause the fal

    結合乾燥沙石臨界單面坡實驗現象觀察,對溜坡災害的產生原因、崩塌特性及防治原則進行了討論,提出溜坡崩塌的三個主要成因:寒凍風化引起上部沙來源的持續不斷;坡面的風化作用使顆進一步均勻、化,造成原來處于亞臨界而穩定的坡面達到臨界而容易失穩;坡腳對牽引式崩塌的制衡作用削弱,易受坡腳干擾而誘發。
  12. In smoke shan among the course, can is it come down to stop grades of detailed sand grain, form steady sand strain layer

    在抽i油過程中,能將級阻擋下來,並形成穩定的濾層。
  13. Fine - grained feldspar sandstone is the main oil - bearing rock and chlorite is the dominant kind of clay minerals

    研究結果表明,長2油藏含油巖以長石巖為主,粘土礦物中綠泥石含量較高。
  14. The results show that, when increasing the feed rate of the grinding wheel, decreasing the rotating speed of the wafer chuck table and using coarser grit grinding wheel, the material removal rate in the wafer rotating grinding increase, the feed rate of the grinding wheel has greater influence on the material removal rate ; when suitably increasing the rotating speed of the grinding wheel, decreasing the feed rate of the grinding wheel and using finer grit grinding wheel, the wafer surface roughness can be reduced ; there exists a critical rotating speed of the grinding wheel ( about 2300rpm ), beyond which the material removal rate evidently decreases and the spindle motor current and wafer surface roughness steeply increase ; when the grit size of the grinding wheel is finer than # 2000, the material removal rate decreases and the wafer surface roughness has no obvious improvement

    研究結果表明,增大輪軸向進給速度和減小工件轉速,採用粗輪有利於提高磨削矽片的材料去除率,輪軸向進給速度對材料去除率的影響最為顯著;適當增大輪轉速,減小輪軸向進給速度,採用輪可以減小磨削表面粗糙度;在其它條件一定的情況下,輪速度超過一定值會導致材料去除率減小,主軸電機電流急劇增大,表面粗糙度變差;採用比# 2000度更輪磨削時,材料去除率減小,矽片表面粗糙度沒有明顯改善。
  15. In this paper, the so preparing self - compacting concrete with low and middle strength using super fine mountain sand artifical sand and phosphorus slag is studied systemically. through the study the influence of the shape, the proportion of the dust and the grade of sand to the workability and the mechanical property of self - compacting concrete, it is found that super fine mountain sand artifical sand are not suit to prepare low and middle strength self - compacting concrete, but when they are combined and the additive and assistant band material are used, c20 - c40 high performance self - compacting concrete is prepared ; the corresponding additive is developed to solve the delamination caused by the low proportion of banding material ; the evaluating system for the workability of low and middle strength self - compacting concrete is built ; the controlling method for production, construction and curing was set up. and the result of the research is applied into several projects

    通過分析特和機制的顆形態、粉末含量、顆級配等特性對自密實混凝土的工作性能和力學性能的影響,發現特、機制不宜單獨用於配製中低強度等級自密實混凝土,宜將特和機制進行合理復配,並選擇合適的外加劑和礦物摻合料,優化配合比設計,可生產c20 c40中低強度等級自密實高性能混凝土;研製開發出了具有高效減水、保塑、抗離析功能的外加劑,有效解決了中低強度等級自密實混凝土由於膠凝材料用量少而出現的離析、泌水問題;應用正交設計方法,對因素和水平進行合理選擇,確定了生產中低等級自密實混凝土的最優配合比;建立了中低強度等級自密實混凝土的工作性評價體系;提出了生產、施工及養護的質量控制技術方法。
  16. The study solves engineering problem as follows : ( 1 ) the systematic study on the historical course of xigeda strata deposit and geologic environment includes strata, lithologic characters and constitution et in the liangshan and panzhihua region. the results show that the xichang - panzhihua express way is controlled by the anninghe fault and the xigeda fault, the earthquake frequently happen in the region of pass, the different sedimentation number is more great, they effect the road building, safety in operation and structure belong road ( 2 ) because in some place the xigeda strata is foundation and roadbed, the study on the basic properties of the xigeda strata include density, moisture content plastic and liquid limit graduation. the results show that the xigeda strata is deposition in lake, the main component is mudstone and sandstone, the fine particle is main, it has some viscosity, the moisture content of mudstone is different the it of sandstone, the other property are likeness. the xigeda strata has no dilatation on total, some claystone have low and medium dilatation ; ( 3 ) the study on the basic properties of xigeda filler include the composition of matter the biggest standard dry density, the optimum moisture content the results show that xigeda filler can use as road material, it is well grade filler and admixture filler on essence, its compaction index should change in different place because the property is controlled by mudstone and sandstone that change is great in different place ; ( 4 ) the study on the xigeda filler craft used as express way roadbed, includes suitable thickness, compaction numbers and methods and equipment choice et

    公路沿線廣泛分佈有昔格達地層,昔格達地層能否用作高速公路路基填料,國內沒有先例,本論文就是結合導師的科研項目,在非典期間,現場長達5個月的工作,完成了從試驗、現場施工工藝到路堤分層沉降監測等工作,是面對生產實際,認識昔格達地層的性質和其作為地基、路基和填料應用中面臨的問題進行的研究。主要的研究內容有:對攀西地區地層巖性、構造等地質環境和昔格達地層的沉積歷史過程作了系統的分析,研究表明西攀高速公路主要受安寧河斷裂和昔格達斷裂影響,通過地區地震活動頻繁,差異沉降較大,對公路建設、安全運行和沿線構築物設計有較大影響;由於昔格達地層在有些路段作為地基、有些作為路基,對其基本性質進行了研究:包括天然密度、含水量、塑液限、顆級配等指標的試驗研究。研究成果表明:昔格達地層為湖相沉積,主要為巖和泥巖,它以組為主,同時粘的存在,使其具有一定粘性。
  17. Tests for geometrical properties of aggregates - part 8 : assessment of fines - sand equivalent test ; german version en 933 - 8 : 1999

    集料的幾何性能的試驗.第8部分:部分的評估.
  18. Three principal factors had been produced using the first derivative of the sediment reflectance as variables by factors analysis method, which indicate three kinds material source that are finer grain terrigenous sediment ( fine sand and silt ), terrigenous carbonate and biologic carbonate respectively. the trends of traveling and enriching that material sources had given

    以反射率一階導數為變量,利用因子分析方法得到3個主因子,分別代表了研究區三種物質來源,即的陸源物質(及粉級) 、陸源的碳酸鹽物質和生物碳酸鹽物質,同時給出了三種物質來源的運移和富集趨勢。
  19. The foundation are formed by the inter - layer of fine and crude earth, in the different level of the layer, are distributed lenticular sand, which result in the poor uniformity

    由粗、土相互迭置成層,層內不同高程上有透鏡狀層分佈,均一性較差,地基可能出現不均一沉陷變形。
  20. The sand in taklamakan bo has fine grains with similar diameters, and its strength characteristics are not fully are to ordinary sand as well as silty. but its strength shows some features similar to clay when with some water content

    塔克拉瑪干沙漠徑均勻,其強度特徵既不完全等同於普通,又不同於粉土,在含水狀態下則又表現出與粘性土相類似的特點。
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