石底層 的英文怎麼說

中文拼音 [dàndecéng]
石底層 英文
shihti formation
  • 石 : 石量詞（容量單位, 十斗為一石） dan, a unit of dry measure for grain （= l00 sheng）
  • 底 : 底助詞（用在定語后, 表示定語和中心詞之間是領屬關系, 現在多寫作「的」）
  • 層 : 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. 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，既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難，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。
  2. The prototype is made by a concave sphere primary and a plane secondary deposited the mo / si multilayer on the fused quartz substrates. the reflectivity peak and the reflectivity uniformity of the multilayer mirrors are respectively 25 % and around + 2. 5 % at 17. 1nm

    望遠鏡主鏡為球面，次鏡為平面，所用反射鏡為在熔石英基底上鍍制mo si多層膜的euv波段反射鏡，在17 . 1nm的反射率25 ，反射率的均勻性2 . 5 。
  3. Xiongcun copper - gold ore deposit is located in gangdese metallogenetic belt with a large scale. the ore body mainly exists in the second lithoid unit ' s tuffs and the third lithoid unit ' s dacite tufa of the cretaceous volcanic stratum, which are not only mother rock but also mineralized body

    雄村銅金礦床處于岡底斯成礦帶，礦床規模巨大，礦體主要賦存於白堊系火山巖地層第二巖性單元的黃鐵絹英巖化硅化凝灰巖和第三巖性單元英安質疑灰巖中，上述巖石既是賦礦圍巖又是礦化體。
  4. Specification for ancillary components for masonry - bed joint reinforcement of steel meshwork

    磚石附屬元件規范.鋼篩網底層接縫加筋
  5. Oil slicks are left on the ocean ' s surface during this process. as the oil gradually evaporates, a thick black tar remains behind and sinks, becoming a part of ocean - bottom sediments

    在這個過程中石油被留在海洋表面，石油逐步蒸發，留下一層瀝青又沉到海底，形成了海底沉澱物的一部分。
  6. Successively, in descending helotic order : poverty : that of the outdoor hawker of imitation jewellery, the dun for the recovery of bad and doubtful debts, the poor rate and deputy cess collector

    依次下降到奴隸階級的最底層。貧困方面：做沿街叫賣的人造寶石小販，討倒賬荒帳的，濟貧稅地方稅代理收稅員。
  7. Standard specification for accessories for gypsum wallboard and gypsum veneer base

    石膏墻板和石膏層板基底用附件的標準規范
  8. Pomegranate contains rich organic acids, vitamins c & b, proteins, calcium, phosphorus, potassium and other mineral substances, can deliver a large amount of oxygen to the basal layer of skin tissues, help regulate the skin grease secretion, improve the cell respiration, skin resistance and detoxifying capability, remove skin toxins that block up pores, shrink flared pores, leave pores pure again, present the skin with perfectly smooth touch, bright tone and natural, youthful brilliance

    石榴中蘊含的豐富有機酸、維生素c & b ，蛋白質及鈣、磷、鉀等礦物質，能將大量氧氣帶到皮膚組織底層，幫助肌膚調節油脂分泌，煥發細胞呼吸，提升皮膚抵抗力及排毒功能，排清阻塞毛孔的皮膚毒素，收細粗大毛孔，讓毛孔回復純凈無污染狀態，肌膚觸感完美順滑且膚色明亮，展現自然青春光彩。
  9. Water quality ; design and use of quantitative samplers for benthic macro - invertebrates on stony substrata in shallow freshwaters iso 8265 : 1988 ; german version en 28265 : 1994

    水質.淺淡水中多石底層上水底大無脊椎動物的定量取樣
  10. Up - flow filtration with coarse sand media, the water intaking from the bottom layer where the particle diameters of coarse media were the widest and outputting from the surface layer where the particle diameters of coarse media were the thinnest in the single media, was studied theoretically and experimentally in this research. it solved the difficult technical problem of reverse grain filtration

    本文對粗石英砂濾料上向流過濾技術進行了理論和實驗研究，在單一的濾層中待濾水循粒徑最粗的底層進，從粒徑最細的表層出，攻克了「反粒度過濾」的關鍵技術。
  11. Hong kong s land and coasts reflect the nature of the underlying rock, the processes that have shaped the rocks, the climate and sea level changes long ago

    香港面積雖小，地形卻變化萬千。香港的地貌顯示了底層巖石各種形成作用，以及漫長歲月的氣候變化和海平面變動帶來的影響。
  12. Water quality - biological methods - methods of biological sampling : guidance on the design and use of quantitative samplers for benthic macro - invertebrates on stony substrata in shallow freshwater

    水質.生物法.生物取樣法.淺淡水中多石底層上大無脊椎動物定量取樣器設計和使用指南
  13. Secondly, referring to the results of press box, the stress distributions on the top of soft soil layer under different reinforcement conditions are obtained. these results show that the effects of stress distributions of geobelt - reinforced gravel cushion are better than gravel cushion

    其次，通過壓力盒的觀測值，得到不同加筋參數條件下的加筋碎石墊層底部土壓力分佈曲線，了解了墊層下部土壓力的分佈情況，得出加筋墊層的應力擴散效果比無筋墊層顯著。
  14. The further study shows that the sandstones at the bottom of the lower ganchaigou formation, which is a tr lithostratigraphic unit, were deposited in different stages of base level cycle, and they are not chronostratigraphic unit. so, to identify different sequences, especially high order sequences in analysis of terrestrial stratigraphic sequences, the sequence distribution feature must be fully consided. this view has practical significance for recognizing forming, evolution and filling history of qaidam baisn correctly, and has both theorical and practical meaning for directing further oil exploration

    研究還表明，傳統巖石地層單位中下乾柴溝組底部的砂巖代表了基準面變化旋迴不同階段沉積的產物，它們屬于不同的成因單位，也非等時地層單位，因此，在進行陸相層序地層分析時，各級層序尤其是高級層序的識別要充分考慮面上的層序展布特點，這一觀點對正確認識柴達木盆地的形成演化和沉積充填歷史，指導今後的勘探具有一定的理論和實際意義。
  15. That belt of land remaining, then, runs round between the well and cliff, and all this space is divided into ten descending valleys

    底腳之間的邊界因此是圓形的；在這口井和高高的石岸之間的底層分成了十座山谷。
  16. Methods of tests for ancillary components for masonry - part 2 : determination of bond strength of prefabricated bed joint reinforcement in mortar joints ; german version en 846 - 2 : 2000

    磚石工程輔助元部件試驗方法.第2部分:灰縫中預制底層
  17. It has extremely high hardness, abrasion resistance and serving life. it ' s usually supported by tungsten carbide that has good toughness. the substrate provides good support for polycrystalline diamond and can be easily brazed to various tools

    它的表層為金剛石粉末燒結而成的多晶金剛石，具有極高硬度、耐磨性和工作壽命；底層一般為鎢鈷類硬質合金，它具有較好的韌性，為表層聚晶金剛石提供良好的支撐，且容易通過釬焊焊接到各種工具上。
  18. Water quality. design and use of quantitative samples for benthic macro - invertebrates of stony substrata in shallow freshwaters

    水質.淺淡水中多石地層水底大型無脊椎動物定量取樣的設計和使用
  19. Methods of tests for ancillary components for masonry - part 3 : determination of shear load capacity of welds in prefabricated bed joint reinforcement ; german version en 846 - 3 : 2000

    磚石工程輔助元部件試驗方法.第3部分:預制底層接縫加
  20. With both crt ' s and lcd ' s virtue, fed has a bright future in all kinds of pdf. in this thesis, a new type of field emission cathode was described, that is using simple technique to deposit commercial nano - diamond powder on ti substrates, bonding diamond and ti, and form ohmic - contact by proper high temperature to form cathodes

    本文介紹了一種器件結構和制備工藝簡單，易於實現大屏幕顯示，且適于批量生產的新型場發射陰極，即在金屬鈦襯底上均勻塗覆納米金剛石塗層，然後在高溫下退火處理實現兩者的牢固鍵合，並形成歐姆接觸。
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