礫層 的英文怎麼說

中文拼音 [céng]
礫層 英文
gravel bed
  • : 名詞(小石塊; 碎石) gravel; shingle
  • : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
  1. There are typical laminated structure, soft sedimentary - slipping deformed structure, syngenetic brecciated structure in the ore which are the mirror of syngenetic sedimentation. the other type of ore has the charactristic of epigenetic mineralization, which is called as telescoped ore. the ore occurs in vein, pocket, lensoid and bedd

    礦石中發育典型的紋狀構造、軟沉積滑動變形構造、同生角構造等反映同生沉積特徵的礦石構造;另一類礦石具有明顯的後生成礦特點,稱之為疊生改造型礦石,礦石產于脈狀、囊狀、透鏡狀及似狀礦體中,與燕山期巖漿巖及斷裂裂隙構造關系密切。
  2. ( 2 ) based on indoor test, two typical soft rock of brecciated mudstone and siltstone in luohu jiancheng district is carried systemically though interior rheological testing ; moreover combining with preceding studying results of rock rheological constitutive model, rheological numerical constitutive model suited to rock mass mechanics characteristics and stratum structure of luohu fracture zone, and numerical parameters of the model are processed with studying of curve fitting

    ( 2 )立足於室內試驗,對羅湖建成區兩種典型的軟弱巖石?含角泥巖和粉砂巖進行系統的室內流變試驗研究,又結合前人對巖石流變本構模型的研究成果,分析並確定了適合羅湖破碎帶巖體力學特性及地構造特徵的流變計算本構模型,並對該模型的計算參數進行了曲線擬合研究。
  3. The petrophysical properties of volcanic rock reservoirs in junggar basin are generally characterized by the following : the acidic lava and auto brecciated lava are the best, especially the petrophysical properties of auto brecciated lava and andesites after the tectonic movement and denudation process in the later stages are superior to those of basalts

    準噶爾盆地火山巖儲物性一般特點是:酸性熔巖、火山角巖最好,特別是經後期構造運動和溶蝕作用改造后的火山角巖;安山巖的物性總體優于玄武巖。
  4. The thin - beded siliceous - rocks include chert and depositional quartz with textures of oolite and pebble

    矽質巖包括燧石和沈積石英巖,呈薄狀產出,沈積石英巖具鮞狀、狀結構。
  5. Cuttings and core from the drill-holes have intersected conglomerate bands.

    鉆粉和巖心已穿過了巖夾
  6. Application of diamond drilling to the detailed investigation in bouldery formation for liumei bridge

    金剛石鉆進在流美大橋詳勘施工中的應用
  7. This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time

    該鉆機採用曲柄連桿、游梁式沖擊機構,使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主,遇到特殊情況,用連桿沖擊不能鉆進時,可轉為卷揚沖擊,沖程可調,因連桿沖擊機構連續工作,所以實現了自動沖擊鉆進,可提高鉆進效率,減輕勞動強度;採用泵吸反循環的方式排渣,既能有效解決卵石地、堅硬地等特殊地鉆進的困難,又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構,既保證了鉆具處于平衡狀態,又大大簡化了該機構設計,降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立,減少了輔助作業時間。
  8. It looks as if some boulders sit atop layers of ash spewed out by known eruptions of mount etna, meaning they fell after troy did

    看起來好像一些石還位於一灰上,這是著名的埃特納山爆發時產生的,這些石是在特洛伊城陷落之後才落下的。
  9. A layer of coarse gravel is often placed around the drain tile.

    常常在排水瓦管周圍鋪一粗石
  10. The study area is composed of sandstone & conglomerate reservoir of alluvial fan & fan delta, which belong to sha3 lower member and sha4 upper member of lower tertiary of yong " an town oilfield in dongying depression. the target stataum develops in the hanging wall of the synsedimentary fault in the scarp zone of dongying depression. the frequently intense movements result in the variation of sandstone and conglomerate reservoir and the evolution of the time and space of sha3 lower member and sha4 upper member in yong " an town oilfield

    研究區是東營凹陷永安鎮油田沙三下段、沙四上段的沖積扇和扇三角洲砂巖體,目的發育在東營凹陷陡坡帶同生斷的下降盤,因斷多期強烈活動,導致永安鎮油田沙三下段、沙四上段的砂巖體成因類型多,時空演化變化大,在扇根一帶小對比難度大,給油田開發帶來很大的難題,在這種背景下進行流動單元研究難度更大。
  11. The earth surface of the region across it is mostly thicker humus soil or leaf falling covering layer, and has good heat reserving property, it is mostly weathering shingle, soil - aggregate mixture, and clay - gravel 0. 5m - 4. 0m under it, and weathering rock

    所經地區的地表多為較厚的腐殖土或落葉覆蓋,其保溫性良好,下0 . 5 ? 4 . 0米多為風化沙、碎石土和石土, , 4 . 0米以下為風化巖石。
  12. Typical sedimentary structures of tempestite, such as radiate and imbricate arrangements of strip dolomitic limestone gravels, grading beddings and ripple beddings are presented in the succession, indicating its accumulation in a shoreline environment

    該風暴沉積的底面侵蝕構造清楚,長條形白雲質灰巖屑具放射狀構造或疊瓦狀構造,並發育渠鑄模、粒序理和小型波狀理等沉積構造,為典型的淺水風暴巖。
  13. These two species occur in the intermediate zone between rocks and sandy floors, at depths ranging from 3 - 20 m ( 9 - 60 feet )

    這兩個品種生活在暗礁和沙礫層的中間地帶,大約水深在3 ? 20米( 9 ? 60英尺) 。
  14. The intercalations are divided into five types, such as muddy intercalation, silty intercalation, calcareous intercalation, marly intercalation, and gravel intercalation

    類型主要有泥巖夾、粉砂質泥巖夾、灰質夾、泥灰質夾石質夾5種。
  15. An area covered by sand and gravel deposited at the front of a glacial moraine

    冰川前砂礫層冰河冰漬前沉積的沙及石覆蓋的區域
  16. The major diameter filling pile drilling machine of qj250 - 1 type applies to major diameter bridge pier hole of various geologic conditions such as ravelly ground, clay loam layer, sandy gravel, breaking layer and lithosphere as well as other various major diameter pore forming construction

    1型大直徑灌注樁鉆孔機適用於鬆散地、粘泥、砂礫層、破碎和巖石等多種地質條件的大直徑橋樁孔,以及其它各種大直徑成孔施工。
  17. For accumulating heat from piping and making as even the temperatures in various spaces betwiin pipes an possible, gravel foundation is first laid, mortar is mixed fully by mixing ratio of 1 : 2, the floor is finished level and then perfect curig in damp condition is carried out

    為保證管路間蓄熱和溫度均勻應鋪下砂礫層后進行配比為1 : 2的灰漿完成處理,不僅要保證地板水平,還要在濕潤狀態下自然乾燥,使得到徹底的養護,人為的養護會導致地板雛裂,應予以注意。
  18. Gravelly - sand over an iron - pan and gravel layer

    覆于鐵質土與砂礫層之上。
  19. Pebbles and gravel also insulate the soil to keep surface temperatures low and preserve water

    小石頭、砂礫層也可用來做隔絕,以保持水分,降低土壤的溫度。
  20. Indeed, the jack hills zircons ? separated by perhaps thousands of kilometers from their source ? were found embedded in a fossilized gravel bar called the jack hills conglomerate

    事實上,在傑克丘發現的鋯石,就是深埋在名為傑克丘巖的化石砂礫層里,而它們很可能是從幾千公里遠的地方被帶到那裡的。
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